workaround broken drone build (#7362)

* workaround broken swagger only master brach is not working, latest release seems to work Signed-off-by: Michael Gnehr <michael@gnehr.de> * make vendor Signed-off-by: Michael Gnehr <michael@gnehr.de> * Don't export GO111MODULE * set go-swagger to fixed release version mentioned here: https://github.com/go-gitea/gitea/pull/7362#discussion_r300831537 Signed-off-by: Michael Gnehr <michael@gnehr.de>
author: Cherrg <michael@gnehr.de> 2019-07-06 17:16:43 +0200
committer: zeripath <art27@cantab.net> 2019-07-06 16:16:43 +0100
commit: 86750325c76ec18c253fabd4aeed72caca0ee946 (patch)
tree: 96fcbcf078e9170c627f723ef6967c29b28f4b8d /vendor/github.com/prometheus/procfs
parent: 49ee9d27718c31d5ab4fe9543fefc90cd40d4405 (diff)
download: gitea-86750325c76ec18c253fabd4aeed72caca0ee946.tar.gz
gitea-86750325c76ec18c253fabd4aeed72caca0ee946.zip
27 files changed, 1839 insertions, 1553 deletions
diff --git a/vendor/github.com/prometheus/procfs/.golangci.yml b/vendor/github.com/prometheus/procfs/.golangci.yml
new file mode 100644
index 0000000000..438ca92eca
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/.golangci.yml
@@ -0,0 +1,6 @@
+# Run only staticcheck for now. Additional linters will be enabled one-by-one.
+linters:
+  enable:
+  - staticcheck
+  - govet
+  disable-all: true
diff --git a/vendor/github.com/prometheus/procfs/MAINTAINERS.md b/vendor/github.com/prometheus/procfs/MAINTAINERS.md
index 35993c41c2..56ba67d3e3 100644
--- a/vendor/github.com/prometheus/procfs/MAINTAINERS.md
+++ b/vendor/github.com/prometheus/procfs/MAINTAINERS.md
@@ -1 +1,2 @@
-* Tobias Schmidt <tobidt@gmail.com>
+* Johannes 'fish' Ziemke <github@freigeist.org> @discordianfish
+* Paul Gier <pgier@redhat.com> @pgier
diff --git a/vendor/github.com/prometheus/procfs/Makefile b/vendor/github.com/prometheus/procfs/Makefile
index 4d10983946..314d1ba568 100644
--- a/vendor/github.com/prometheus/procfs/Makefile
+++ b/vendor/github.com/prometheus/procfs/Makefile
@@ -11,67 +11,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Ensure GOBIN is not set during build so that promu is installed to the correct path
-unexport GOBIN
-
-GO           ?= go
-GOFMT        ?= $(GO)fmt
-FIRST_GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH)))
-STATICCHECK  := $(FIRST_GOPATH)/bin/staticcheck
-pkgs          = $(shell $(GO) list ./... | grep -v /vendor/)
-
-PREFIX                  ?= $(shell pwd)
-BIN_DIR                 ?= $(shell pwd)
-
-ifdef DEBUG
-  bindata_flags = -debug
-endif
-
-STATICCHECK_IGNORE =
-
-all: format staticcheck build test
-
-style:
-	@echo ">> checking code style"
-	@! $(GOFMT) -d $(shell find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'
-
-check_license:
-	@echo ">> checking license header"
-	@./scripts/check_license.sh
-
-test: fixtures/.unpacked sysfs/fixtures/.unpacked
-	@echo ">> running all tests"
-	@$(GO) test -race $(shell $(GO) list ./... | grep -v /vendor/ | grep -v examples)
-
-format:
-	@echo ">> formatting code"
-	@$(GO) fmt $(pkgs)
-
-vet:
-	@echo ">> vetting code"
-	@$(GO) vet $(pkgs)
-
-staticcheck: $(STATICCHECK)
-	@echo ">> running staticcheck"
-	@$(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" $(pkgs)
+include Makefile.common
 
 %/.unpacked: %.ttar
 	./ttar -C $(dir $*) -x -f $*.ttar
 	touch $@
 
-update_fixtures: fixtures.ttar sysfs/fixtures.ttar
-
-%fixtures.ttar: %/fixtures
-	rm -v $(dir $*)fixtures/.unpacked
-	./ttar -C $(dir $*) -c -f $*fixtures.ttar fixtures/
-
-$(FIRST_GOPATH)/bin/staticcheck:
-	@GOOS= GOARCH= $(GO) get -u honnef.co/go/tools/cmd/staticcheck
+update_fixtures:
+	rm -vf fixtures/.unpacked
+	./ttar -c -f fixtures.ttar fixtures/
 
-.PHONY: all style check_license format test vet staticcheck
+.PHONY: build
+build:
 
-# Declaring the binaries at their default locations as PHONY targets is a hack
-# to ensure the latest version is downloaded on every make execution.
-# If this is not desired, copy/symlink these binaries to a different path and
-# set the respective environment variables.
-.PHONY: $(GOPATH)/bin/staticcheck
+.PHONY: test
+test: fixtures/.unpacked common-test
diff --git a/vendor/github.com/prometheus/procfs/Makefile.common b/vendor/github.com/prometheus/procfs/Makefile.common
new file mode 100644
index 0000000000..4f18ea5877
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/Makefile.common
@@ -0,0 +1,272 @@
+# Copyright 2018 The Prometheus Authors
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# A common Makefile that includes rules to be reused in different prometheus projects.
+# !!! Open PRs only against the prometheus/prometheus/Makefile.common repository!
+
+# Example usage :
+# Create the main Makefile in the root project directory.
+# include Makefile.common
+# customTarget:
+# 	@echo ">> Running customTarget"
+#
+
+# Ensure GOBIN is not set during build so that promu is installed to the correct path
+unexport GOBIN
+
+GO           ?= go
+GOFMT        ?= $(GO)fmt
+FIRST_GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH)))
+GOOPTS       ?=
+GOHOSTOS     ?= $(shell $(GO) env GOHOSTOS)
+GOHOSTARCH   ?= $(shell $(GO) env GOHOSTARCH)
+
+GO_VERSION        ?= $(shell $(GO) version)
+GO_VERSION_NUMBER ?= $(word 3, $(GO_VERSION))
+PRE_GO_111        ?= $(shell echo $(GO_VERSION_NUMBER) | grep -E 'go1\.(10|[0-9])\.')
+
+GOVENDOR :=
+GO111MODULE :=
+ifeq (, $(PRE_GO_111))
+	ifneq (,$(wildcard go.mod))
+		# Enforce Go modules support just in case the directory is inside GOPATH (and for Travis CI).
+		GO111MODULE := on
+
+		ifneq (,$(wildcard vendor))
+			# Always use the local vendor/ directory to satisfy the dependencies.
+			GOOPTS := $(GOOPTS) -mod=vendor
+		endif
+	endif
+else
+	ifneq (,$(wildcard go.mod))
+		ifneq (,$(wildcard vendor))
+$(warning This repository requires Go >= 1.11 because of Go modules)
+$(warning Some recipes may not work as expected as the current Go runtime is '$(GO_VERSION_NUMBER)')
+		endif
+	else
+		# This repository isn't using Go modules (yet).
+		GOVENDOR := $(FIRST_GOPATH)/bin/govendor
+	endif
+endif
+PROMU        := $(FIRST_GOPATH)/bin/promu
+pkgs          = ./...
+
+ifeq (arm, $(GOHOSTARCH))
+	GOHOSTARM ?= $(shell GOARM= $(GO) env GOARM)
+	GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)v$(GOHOSTARM)
+else
+	GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)
+endif
+
+PROMU_VERSION ?= 0.3.0
+PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
+
+GOLANGCI_LINT :=
+GOLANGCI_LINT_OPTS ?=
+GOLANGCI_LINT_VERSION ?= v1.16.0
+# golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
+# windows isn't included here because of the path separator being different.
+ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
+	ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386))
+		GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint
+	endif
+endif
+
+PREFIX                  ?= $(shell pwd)
+BIN_DIR                 ?= $(shell pwd)
+DOCKER_IMAGE_TAG        ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
+DOCKER_REPO             ?= prom
+
+DOCKER_ARCHS            ?= amd64
+
+BUILD_DOCKER_ARCHS = $(addprefix common-docker-,$(DOCKER_ARCHS))
+PUBLISH_DOCKER_ARCHS = $(addprefix common-docker-publish-,$(DOCKER_ARCHS))
+TAG_DOCKER_ARCHS = $(addprefix common-docker-tag-latest-,$(DOCKER_ARCHS))
+
+ifeq ($(GOHOSTARCH),amd64)
+        ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux freebsd darwin windows))
+                # Only supported on amd64
+                test-flags := -race
+        endif
+endif
+
+# This rule is used to forward a target like "build" to "common-build".  This
+# allows a new "build" target to be defined in a Makefile which includes this
+# one and override "common-build" without override warnings.
+%: common-% ;
+
+.PHONY: common-all
+common-all: precheck style check_license lint unused build test
+
+.PHONY: common-style
+common-style:
+	@echo ">> checking code style"
+	@fmtRes=$$($(GOFMT) -d $$(find . -path ./vendor -prune -o -name '*.go' -print)); \
+	if [ -n "$${fmtRes}" ]; then \
+		echo "gofmt checking failed!"; echo "$${fmtRes}"; echo; \
+		echo "Please ensure you are using $$($(GO) version) for formatting code."; \
+		exit 1; \
+	fi
+
+.PHONY: common-check_license
+common-check_license:
+	@echo ">> checking license header"
+	@licRes=$$(for file in $$(find . -type f -iname '*.go' ! -path './vendor/*') ; do \
+               awk 'NR<=3' $$file | grep -Eq "(Copyright|generated|GENERATED)" || echo $$file; \
+       done); \
+       if [ -n "$${licRes}" ]; then \
+               echo "license header checking failed:"; echo "$${licRes}"; \
+               exit 1; \
+       fi
+
+.PHONY: common-deps
+common-deps:
+	@echo ">> getting dependencies"
+ifdef GO111MODULE
+	GO111MODULE=$(GO111MODULE) $(GO) mod download
+else
+	$(GO) get $(GOOPTS) -t ./...
+endif
+
+.PHONY: common-test-short
+common-test-short:
+	@echo ">> running short tests"
+	GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
+
+.PHONY: common-test
+common-test:
+	@echo ">> running all tests"
+	GO111MODULE=$(GO111MODULE) $(GO) test $(test-flags) $(GOOPTS) $(pkgs)
+
+.PHONY: common-format
+common-format:
+	@echo ">> formatting code"
+	GO111MODULE=$(GO111MODULE) $(GO) fmt $(pkgs)
+
+.PHONY: common-vet
+common-vet:
+	@echo ">> vetting code"
+	GO111MODULE=$(GO111MODULE) $(GO) vet $(GOOPTS) $(pkgs)
+
+.PHONY: common-lint
+common-lint: $(GOLANGCI_LINT)
+ifdef GOLANGCI_LINT
+	@echo ">> running golangci-lint"
+ifdef GO111MODULE
+# 'go list' needs to be executed before staticcheck to prepopulate the modules cache.
+# Otherwise staticcheck might fail randomly for some reason not yet explained.
+	GO111MODULE=$(GO111MODULE) $(GO) list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null
+	GO111MODULE=$(GO111MODULE) $(GOLANGCI_LINT) run $(GOLANGCI_LINT_OPTS) $(pkgs)
+else
+	$(GOLANGCI_LINT) run $(pkgs)
+endif
+endif
+
+# For backward-compatibility.
+.PHONY: common-staticcheck
+common-staticcheck: lint
+
+.PHONY: common-unused
+common-unused: $(GOVENDOR)
+ifdef GOVENDOR
+	@echo ">> running check for unused packages"
+	@$(GOVENDOR) list +unused | grep . && exit 1 || echo 'No unused packages'
+else
+ifdef GO111MODULE
+	@echo ">> running check for unused/missing packages in go.mod"
+	GO111MODULE=$(GO111MODULE) $(GO) mod tidy
+ifeq (,$(wildcard vendor))
+	@git diff --exit-code -- go.sum go.mod
+else
+	@echo ">> running check for unused packages in vendor/"
+	GO111MODULE=$(GO111MODULE) $(GO) mod vendor
+	@git diff --exit-code -- go.sum go.mod vendor/
+endif
+endif
+endif
+
+.PHONY: common-build
+common-build: promu
+	@echo ">> building binaries"
+	GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
+
+.PHONY: common-tarball
+common-tarball: promu
+	@echo ">> building release tarball"
+	$(PROMU) tarball --prefix $(PREFIX) $(BIN_DIR)
+
+.PHONY: common-docker $(BUILD_DOCKER_ARCHS)
+common-docker: $(BUILD_DOCKER_ARCHS)
+$(BUILD_DOCKER_ARCHS): common-docker-%:
+	docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \
+		--build-arg ARCH="$*" \
+		--build-arg OS="linux" \
+		.
+
+.PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS)
+common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
+$(PUBLISH_DOCKER_ARCHS): common-docker-publish-%:
+	docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)"
+
+.PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS)
+common-docker-tag-latest: $(TAG_DOCKER_ARCHS)
+$(TAG_DOCKER_ARCHS): common-docker-tag-latest-%:
+	docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
+
+.PHONY: common-docker-manifest
+common-docker-manifest:
+	DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(DOCKER_IMAGE_TAG))
+	DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)"
+
+.PHONY: promu
+promu: $(PROMU)
+
+$(PROMU):
+	$(eval PROMU_TMP := $(shell mktemp -d))
+	curl -s -L $(PROMU_URL) | tar -xvzf - -C $(PROMU_TMP)
+	mkdir -p $(FIRST_GOPATH)/bin
+	cp $(PROMU_TMP)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM)/promu $(FIRST_GOPATH)/bin/promu
+	rm -r $(PROMU_TMP)
+
+.PHONY: proto
+proto:
+	@echo ">> generating code from proto files"
+	@./scripts/genproto.sh
+
+ifdef GOLANGCI_LINT
+$(GOLANGCI_LINT):
+	mkdir -p $(FIRST_GOPATH)/bin
+	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(FIRST_GOPATH)/bin $(GOLANGCI_LINT_VERSION)
+endif
+
+ifdef GOVENDOR
+.PHONY: $(GOVENDOR)
+$(GOVENDOR):
+	GOOS= GOARCH= $(GO) get -u github.com/kardianos/govendor
+endif
+
+.PHONY: precheck
+precheck::
+
+define PRECHECK_COMMAND_template =
+precheck:: $(1)_precheck
+
+PRECHECK_COMMAND_$(1) ?= $(1) $$(strip $$(PRECHECK_OPTIONS_$(1)))
+.PHONY: $(1)_precheck
+$(1)_precheck:
+	@if ! $$(PRECHECK_COMMAND_$(1)) 1>/dev/null 2>&1; then \
+		echo "Execution of '$$(PRECHECK_COMMAND_$(1))' command failed. Is $(1) installed?"; \
+		exit 1; \
+	fi
+endef
diff --git a/vendor/github.com/prometheus/procfs/buddyinfo.go b/vendor/github.com/prometheus/procfs/buddyinfo.go
index d3a8268078..5cd22a837f 100644
--- a/vendor/github.com/prometheus/procfs/buddyinfo.go
+++ b/vendor/github.com/prometheus/procfs/buddyinfo.go
@@ -43,7 +43,7 @@ func NewBuddyInfo() ([]BuddyInfo, error) {
 
 // NewBuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
 func (fs FS) NewBuddyInfo() ([]BuddyInfo, error) {
-	file, err := os.Open(fs.Path("buddyinfo"))
+	file, err := os.Open(fs.proc.Path("buddyinfo"))
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/prometheus/procfs/fixtures.ttar b/vendor/github.com/prometheus/procfs/fixtures.ttar
index 13c831ef59..f7f84ef362 100644
--- a/vendor/github.com/prometheus/procfs/fixtures.ttar
+++ b/vendor/github.com/prometheus/procfs/fixtures.ttar
@@ -1,45 +1,48 @@
 # Archive created by ttar -c -f fixtures.ttar fixtures/
 Directory: fixtures
+Mode: 775
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Directory: fixtures/proc
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Directory: fixtures/26231
+Directory: fixtures/proc/26231
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/cmdline
+Path: fixtures/proc/26231/cmdline
 Lines: 1
 vimNULLBYTEtest.goNULLBYTE+10NULLBYTEEOF
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/comm
+Path: fixtures/proc/26231/comm
 Lines: 1
 vim
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/cwd
+Path: fixtures/proc/26231/cwd
 SymlinkTo: /usr/bin
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/exe
+Path: fixtures/proc/26231/exe
 SymlinkTo: /usr/bin/vim
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Directory: fixtures/26231/fd
+Directory: fixtures/proc/26231/fd
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/fd/0
+Path: fixtures/proc/26231/fd/0
 SymlinkTo: ../../symlinktargets/abc
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/fd/1
+Path: fixtures/proc/26231/fd/1
 SymlinkTo: ../../symlinktargets/def
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/fd/10
+Path: fixtures/proc/26231/fd/10
 SymlinkTo: ../../symlinktargets/xyz
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/fd/2
+Path: fixtures/proc/26231/fd/2
 SymlinkTo: ../../symlinktargets/ghi
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/fd/3
+Path: fixtures/proc/26231/fd/3
 SymlinkTo: ../../symlinktargets/uvw
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/io
+Path: fixtures/proc/26231/io
 Lines: 7
 rchar: 750339
 wchar: 818609
@@ -50,7 +53,7 @@ write_bytes: 2048
 cancelled_write_bytes: -1024
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/limits
+Path: fixtures/proc/26231/limits
 Lines: 17
 Limit                     Soft Limit           Hard Limit           Units
 Max cpu time              unlimited            unlimited            seconds
@@ -71,7 +74,7 @@ Max realtime priority     0                    0
 Max realtime timeout      unlimited            unlimited            us
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/mountstats
+Path: fixtures/proc/26231/mountstats
 Lines: 19
 device rootfs mounted on / with fstype rootfs
 device sysfs mounted on /sys with fstype sysfs
@@ -94,10 +97,10 @@ device 192.168.1.1:/srv/test mounted on /mnt/nfs/test with fstype nfs4 statvers=
 
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Directory: fixtures/26231/net
+Directory: fixtures/proc/26231/net
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/net/dev
+Path: fixtures/proc/26231/net/dev
 Lines: 4
 Inter-|   Receive                                                |  Transmit
  face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
@@ -105,57 +108,57 @@ Inter-|   Receive                                                |  Transmit
   eth0:     438       5    0    0    0     0          0         0      648       8    0    0    0     0       0          0
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Directory: fixtures/26231/ns
+Directory: fixtures/proc/26231/ns
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/ns/mnt
+Path: fixtures/proc/26231/ns/mnt
 SymlinkTo: mnt:[4026531840]
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/ns/net
+Path: fixtures/proc/26231/ns/net
 SymlinkTo: net:[4026531993]
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/root
+Path: fixtures/proc/26231/root
 SymlinkTo: /
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26231/stat
+Path: fixtures/proc/26231/stat
 Lines: 1
 26231 (vim) R 5392 7446 5392 34835 7446 4218880 32533 309516 26 82 1677 44 158 99 20 0 1 0 82375 56274944 1981 18446744073709551615 4194304 6294284 140736914091744 140736914087944 139965136429984 0 0 12288 1870679807 0 0 0 17 0 0 0 31 0 0 8391624 8481048 16420864 140736914093252 140736914093279 140736914093279 140736914096107 0
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Directory: fixtures/26232
+Directory: fixtures/proc/26232
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-Path: fixtures/26232/cmdline
+Path: fixtures/proc/26232/cmdline
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diff --git a/vendor/github.com/prometheus/procfs/fs.go b/vendor/github.com/prometheus/procfs/fs.go
index b6c6b2ce1f..9c56c83954 100644
--- a/vendor/github.com/prometheus/procfs/fs.go
+++ b/vendor/github.com/prometheus/procfs/fs.go
@@ -14,69 +14,24 @@
 package procfs
 
 import (
-	"fmt"
-	"os"
-	"path"
-
-	"github.com/prometheus/procfs/nfs"
-	"github.com/prometheus/procfs/xfs"
+	"github.com/prometheus/procfs/internal/fs"
 )
 
-// FS represents the pseudo-filesystem proc, which provides an interface to
+// FS represents the pseudo-filesystem sys, which provides an interface to
 // kernel data structures.
-type FS string
+type FS struct {
+	proc fs.FS
+}
 
 // DefaultMountPoint is the common mount point of the proc filesystem.
-const DefaultMountPoint = "/proc"
+const DefaultMountPoint = fs.DefaultProcMountPoint
 
-// NewFS returns a new FS mounted under the given mountPoint. It will error
-// if the mount point can't be read.
+// NewFS returns a new proc FS mounted under the given proc mountPoint. It will error
+// if the mount point dirctory can't be read or is a file.
 func NewFS(mountPoint string) (FS, error) {
-	info, err := os.Stat(mountPoint)
+	fs, err := fs.NewFS(mountPoint)
 	if err != nil {
-		return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
-	}
-	if !info.IsDir() {
-		return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
+		return FS{}, err
 	}
-
-	return FS(mountPoint), nil
-}
-
-// Path returns the path of the given subsystem relative to the procfs root.
-func (fs FS) Path(p ...string) string {
-	return path.Join(append([]string{string(fs)}, p...)...)
-}
-
-// XFSStats retrieves XFS filesystem runtime statistics.
-func (fs FS) XFSStats() (*xfs.Stats, error) {
-	f, err := os.Open(fs.Path("fs/xfs/stat"))
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	return xfs.ParseStats(f)
-}
-
-// NFSClientRPCStats retrieves NFS client RPC statistics.
-func (fs FS) NFSClientRPCStats() (*nfs.ClientRPCStats, error) {
-	f, err := os.Open(fs.Path("net/rpc/nfs"))
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	return nfs.ParseClientRPCStats(f)
-}
-
-// NFSdServerRPCStats retrieves NFS daemon RPC statistics.
-func (fs FS) NFSdServerRPCStats() (*nfs.ServerRPCStats, error) {
-	f, err := os.Open(fs.Path("net/rpc/nfsd"))
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	return nfs.ParseServerRPCStats(f)
+	return FS{fs}, nil
 }
diff --git a/vendor/github.com/prometheus/procfs/go.mod b/vendor/github.com/prometheus/procfs/go.mod
new file mode 100644
index 0000000000..8a1b839fd2
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/go.mod
@@ -0,0 +1,3 @@
+module github.com/prometheus/procfs
+
+require golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
diff --git a/vendor/github.com/prometheus/procfs/go.sum b/vendor/github.com/prometheus/procfs/go.sum
new file mode 100644
index 0000000000..7827dd3d56
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/vendor/github.com/prometheus/procfs/internal/fs/fs.go b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
new file mode 100644
index 0000000000..c66a1cf80e
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
@@ -0,0 +1,52 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fs
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+const (
+	// DefaultProcMountPoint is the common mount point of the proc filesystem.
+	DefaultProcMountPoint = "/proc"
+
+	// DefaultSysMountPoint is the common mount point of the sys filesystem.
+	DefaultSysMountPoint = "/sys"
+)
+
+// FS represents a pseudo-filesystem, normally /proc or /sys, which provides an
+// interface to kernel data structures.
+type FS string
+
+// NewFS returns a new FS mounted under the given mountPoint. It will error
+// if the mount point can't be read.
+func NewFS(mountPoint string) (FS, error) {
+	info, err := os.Stat(mountPoint)
+	if err != nil {
+		return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
+	}
+	if !info.IsDir() {
+		return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
+	}
+
+	return FS(mountPoint), nil
+}
+
+// Path appends the given path elements to the filesystem path, adding separators
+// as necessary.
+func (fs FS) Path(p ...string) string {
+	return filepath.Join(append([]string{string(fs)}, p...)...)
+}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/parse.go b/vendor/github.com/prometheus/procfs/internal/util/parse.go
deleted file mode 100644
index 2ff228e9d1..0000000000
--- a/vendor/github.com/prometheus/procfs/internal/util/parse.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package util
-
-import (
-	"io/ioutil"
-	"strconv"
-	"strings"
-)
-
-// ParseUint32s parses a slice of strings into a slice of uint32s.
-func ParseUint32s(ss []string) ([]uint32, error) {
-	us := make([]uint32, 0, len(ss))
-	for _, s := range ss {
-		u, err := strconv.ParseUint(s, 10, 32)
-		if err != nil {
-			return nil, err
-		}
-
-		us = append(us, uint32(u))
-	}
-
-	return us, nil
-}
-
-// ParseUint64s parses a slice of strings into a slice of uint64s.
-func ParseUint64s(ss []string) ([]uint64, error) {
-	us := make([]uint64, 0, len(ss))
-	for _, s := range ss {
-		u, err := strconv.ParseUint(s, 10, 64)
-		if err != nil {
-			return nil, err
-		}
-
-		us = append(us, u)
-	}
-
-	return us, nil
-}
-
-// ReadUintFromFile reads a file and attempts to parse a uint64 from it.
-func ReadUintFromFile(path string) (uint64, error) {
-	data, err := ioutil.ReadFile(path)
-	if err != nil {
-		return 0, err
-	}
-	return strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64)
-}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_linux.go b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_linux.go
deleted file mode 100644
index df0d567b78..0000000000
--- a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_linux.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !windows
-
-package util
-
-import (
-	"bytes"
-	"os"
-	"syscall"
-)
-
-// SysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly.
-// https://github.com/prometheus/node_exporter/pull/728/files
-func SysReadFile(file string) (string, error) {
-	f, err := os.Open(file)
-	if err != nil {
-		return "", err
-	}
-	defer f.Close()
-
-	// On some machines, hwmon drivers are broken and return EAGAIN.  This causes
-	// Go's ioutil.ReadFile implementation to poll forever.
-	//
-	// Since we either want to read data or bail immediately, do the simplest
-	// possible read using syscall directly.
-	b := make([]byte, 128)
-	n, err := syscall.Read(int(f.Fd()), b)
-	if err != nil {
-		return "", err
-	}
-
-	return string(bytes.TrimSpace(b[:n])), nil
-}
diff --git a/vendor/github.com/prometheus/procfs/ipvs.go b/vendor/github.com/prometheus/procfs/ipvs.go
index e36d4a3bd0..41e645d23e 100644
--- a/vendor/github.com/prometheus/procfs/ipvs.go
+++ b/vendor/github.com/prometheus/procfs/ipvs.go
@@ -74,7 +74,7 @@ func NewIPVSStats() (IPVSStats, error) {
 
 // NewIPVSStats reads the IPVS statistics from the specified `proc` filesystem.
 func (fs FS) NewIPVSStats() (IPVSStats, error) {
-	file, err := os.Open(fs.Path("net/ip_vs_stats"))
+	file, err := os.Open(fs.proc.Path("net/ip_vs_stats"))
 	if err != nil {
 		return IPVSStats{}, err
 	}
@@ -143,7 +143,7 @@ func NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
 
 // NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem.
 func (fs FS) NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
-	file, err := os.Open(fs.Path("net/ip_vs"))
+	file, err := os.Open(fs.proc.Path("net/ip_vs"))
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/prometheus/procfs/mdstat.go b/vendor/github.com/prometheus/procfs/mdstat.go
index 9dc19583d8..6ac7a12f97 100644
--- a/vendor/github.com/prometheus/procfs/mdstat.go
+++ b/vendor/github.com/prometheus/procfs/mdstat.go
@@ -44,7 +44,7 @@ type MDStat struct {
 
 // ParseMDStat parses an mdstat-file and returns a struct with the relevant infos.
 func (fs FS) ParseMDStat() (mdstates []MDStat, err error) {
-	mdStatusFilePath := fs.Path("mdstat")
+	mdStatusFilePath := fs.proc.Path("mdstat")
 	content, err := ioutil.ReadFile(mdStatusFilePath)
 	if err != nil {
 		return []MDStat{}, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err)
diff --git a/vendor/github.com/prometheus/procfs/mountstats.go b/vendor/github.com/prometheus/procfs/mountstats.go
index 7a8a1e0990..fc385afcfe 100644
--- a/vendor/github.com/prometheus/procfs/mountstats.go
+++ b/vendor/github.com/prometheus/procfs/mountstats.go
@@ -69,6 +69,8 @@ type MountStats interface {
 type MountStatsNFS struct {
 	// The version of statistics provided.
 	StatVersion string
+	// The optional mountaddr of the NFS mount.
+	MountAddress string
 	// The age of the NFS mount.
 	Age time.Duration
 	// Statistics related to byte counters for various operations.
@@ -317,6 +319,7 @@ func parseMount(ss []string) (*Mount, error) {
 func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, error) {
 	// Field indicators for parsing specific types of data
 	const (
+		fieldOpts       = "opts:"
 		fieldAge        = "age:"
 		fieldBytes      = "bytes:"
 		fieldEvents     = "events:"
@@ -338,6 +341,13 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
 		}
 
 		switch ss[0] {
+		case fieldOpts:
+			for _, opt := range strings.Split(ss[1], ",") {
+				split := strings.Split(opt, "=")
+				if len(split) == 2 && split[0] == "mountaddr" {
+					stats.MountAddress = split[1]
+				}
+			}
 		case fieldAge:
 			// Age integer is in seconds
 			d, err := time.ParseDuration(ss[1] + "s")
diff --git a/vendor/github.com/prometheus/procfs/net_dev.go b/vendor/github.com/prometheus/procfs/net_dev.go
index 3f2523371a..0063594e69 100644
--- a/vendor/github.com/prometheus/procfs/net_dev.go
+++ b/vendor/github.com/prometheus/procfs/net_dev.go
@@ -59,7 +59,7 @@ func NewNetDev() (NetDev, error) {
 
 // NewNetDev returns kernel/system statistics read from /proc/net/dev.
 func (fs FS) NewNetDev() (NetDev, error) {
-	return newNetDev(fs.Path("net/dev"))
+	return newNetDev(fs.proc.Path("net/dev"))
 }
 
 // NewNetDev returns kernel/system statistics read from /proc/[pid]/net/dev.
diff --git a/vendor/github.com/prometheus/procfs/nfs/nfs.go b/vendor/github.com/prometheus/procfs/nfs/nfs.go
deleted file mode 100644
index 651bf68195..0000000000
--- a/vendor/github.com/prometheus/procfs/nfs/nfs.go
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package nfs implements parsing of /proc/net/rpc/nfsd.
-// Fields are documented in https://www.svennd.be/nfsd-stats-explained-procnetrpcnfsd/
-package nfs
-
-// ReplyCache models the "rc" line.
-type ReplyCache struct {
-	Hits    uint64
-	Misses  uint64
-	NoCache uint64
-}
-
-// FileHandles models the "fh" line.
-type FileHandles struct {
-	Stale        uint64
-	TotalLookups uint64
-	AnonLookups  uint64
-	DirNoCache   uint64
-	NoDirNoCache uint64
-}
-
-// InputOutput models the "io" line.
-type InputOutput struct {
-	Read  uint64
-	Write uint64
-}
-
-// Threads models the "th" line.
-type Threads struct {
-	Threads uint64
-	FullCnt uint64
-}
-
-// ReadAheadCache models the "ra" line.
-type ReadAheadCache struct {
-	CacheSize      uint64
-	CacheHistogram []uint64
-	NotFound       uint64
-}
-
-// Network models the "net" line.
-type Network struct {
-	NetCount   uint64
-	UDPCount   uint64
-	TCPCount   uint64
-	TCPConnect uint64
-}
-
-// ClientRPC models the nfs "rpc" line.
-type ClientRPC struct {
-	RPCCount        uint64
-	Retransmissions uint64
-	AuthRefreshes   uint64
-}
-
-// ServerRPC models the nfsd "rpc" line.
-type ServerRPC struct {
-	RPCCount uint64
-	BadCnt   uint64
-	BadFmt   uint64
-	BadAuth  uint64
-	BadcInt  uint64
-}
-
-// V2Stats models the "proc2" line.
-type V2Stats struct {
-	Null     uint64
-	GetAttr  uint64
-	SetAttr  uint64
-	Root     uint64
-	Lookup   uint64
-	ReadLink uint64
-	Read     uint64
-	WrCache  uint64
-	Write    uint64
-	Create   uint64
-	Remove   uint64
-	Rename   uint64
-	Link     uint64
-	SymLink  uint64
-	MkDir    uint64
-	RmDir    uint64
-	ReadDir  uint64
-	FsStat   uint64
-}
-
-// V3Stats models the "proc3" line.
-type V3Stats struct {
-	Null        uint64
-	GetAttr     uint64
-	SetAttr     uint64
-	Lookup      uint64
-	Access      uint64
-	ReadLink    uint64
-	Read        uint64
-	Write       uint64
-	Create      uint64
-	MkDir       uint64
-	SymLink     uint64
-	MkNod       uint64
-	Remove      uint64
-	RmDir       uint64
-	Rename      uint64
-	Link        uint64
-	ReadDir     uint64
-	ReadDirPlus uint64
-	FsStat      uint64
-	FsInfo      uint64
-	PathConf    uint64
-	Commit      uint64
-}
-
-// ClientV4Stats models the nfs "proc4" line.
-type ClientV4Stats struct {
-	Null               uint64
-	Read               uint64
-	Write              uint64
-	Commit             uint64
-	Open               uint64
-	OpenConfirm        uint64
-	OpenNoattr         uint64
-	OpenDowngrade      uint64
-	Close              uint64
-	Setattr            uint64
-	FsInfo             uint64
-	Renew              uint64
-	SetClientID        uint64
-	SetClientIDConfirm uint64
-	Lock               uint64
-	Lockt              uint64
-	Locku              uint64
-	Access             uint64
-	Getattr            uint64
-	Lookup             uint64
-	LookupRoot         uint64
-	Remove             uint64
-	Rename             uint64
-	Link               uint64
-	Symlink            uint64
-	Create             uint64
-	Pathconf           uint64
-	StatFs             uint64
-	ReadLink           uint64
-	ReadDir            uint64
-	ServerCaps         uint64
-	DelegReturn        uint64
-	GetACL             uint64
-	SetACL             uint64
-	FsLocations        uint64
-	ReleaseLockowner   uint64
-	Secinfo            uint64
-	FsidPresent        uint64
-	ExchangeID         uint64
-	CreateSession      uint64
-	DestroySession     uint64
-	Sequence           uint64
-	GetLeaseTime       uint64
-	ReclaimComplete    uint64
-	LayoutGet          uint64
-	GetDeviceInfo      uint64
-	LayoutCommit       uint64
-	LayoutReturn       uint64
-	SecinfoNoName      uint64
-	TestStateID        uint64
-	FreeStateID        uint64
-	GetDeviceList      uint64
-	BindConnToSession  uint64
-	DestroyClientID    uint64
-	Seek               uint64
-	Allocate           uint64
-	DeAllocate         uint64
-	LayoutStats        uint64
-	Clone              uint64
-}
-
-// ServerV4Stats models the nfsd "proc4" line.
-type ServerV4Stats struct {
-	Null     uint64
-	Compound uint64
-}
-
-// V4Ops models the "proc4ops" line: NFSv4 operations
-// Variable list, see:
-// v4.0 https://tools.ietf.org/html/rfc3010 (38 operations)
-// v4.1 https://tools.ietf.org/html/rfc5661 (58 operations)
-// v4.2 https://tools.ietf.org/html/draft-ietf-nfsv4-minorversion2-41 (71 operations)
-type V4Ops struct {
-	//Values       uint64 // Variable depending on v4.x sub-version. TODO: Will this always at least include the fields in this struct?
-	Op0Unused    uint64
-	Op1Unused    uint64
-	Op2Future    uint64
-	Access       uint64
-	Close        uint64
-	Commit       uint64
-	Create       uint64
-	DelegPurge   uint64
-	DelegReturn  uint64
-	GetAttr      uint64
-	GetFH        uint64
-	Link         uint64
-	Lock         uint64
-	Lockt        uint64
-	Locku        uint64
-	Lookup       uint64
-	LookupRoot   uint64
-	Nverify      uint64
-	Open         uint64
-	OpenAttr     uint64
-	OpenConfirm  uint64
-	OpenDgrd     uint64
-	PutFH        uint64
-	PutPubFH     uint64
-	PutRootFH    uint64
-	Read         uint64
-	ReadDir      uint64
-	ReadLink     uint64
-	Remove       uint64
-	Rename       uint64
-	Renew        uint64
-	RestoreFH    uint64
-	SaveFH       uint64
-	SecInfo      uint64
-	SetAttr      uint64
-	Verify       uint64
-	Write        uint64
-	RelLockOwner uint64
-}
-
-// ClientRPCStats models all stats from /proc/net/rpc/nfs.
-type ClientRPCStats struct {
-	Network       Network
-	ClientRPC     ClientRPC
-	V2Stats       V2Stats
-	V3Stats       V3Stats
-	ClientV4Stats ClientV4Stats
-}
-
-// ServerRPCStats models all stats from /proc/net/rpc/nfsd.
-type ServerRPCStats struct {
-	ReplyCache     ReplyCache
-	FileHandles    FileHandles
-	InputOutput    InputOutput
-	Threads        Threads
-	ReadAheadCache ReadAheadCache
-	Network        Network
-	ServerRPC      ServerRPC
-	V2Stats        V2Stats
-	V3Stats        V3Stats
-	ServerV4Stats  ServerV4Stats
-	V4Ops          V4Ops
-}
diff --git a/vendor/github.com/prometheus/procfs/nfs/parse.go b/vendor/github.com/prometheus/procfs/nfs/parse.go
deleted file mode 100644
index 95a83cc5bc..0000000000
--- a/vendor/github.com/prometheus/procfs/nfs/parse.go
+++ /dev/null
@@ -1,317 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package nfs
-
-import (
-	"fmt"
-)
-
-func parseReplyCache(v []uint64) (ReplyCache, error) {
-	if len(v) != 3 {
-		return ReplyCache{}, fmt.Errorf("invalid ReplyCache line %q", v)
-	}
-
-	return ReplyCache{
-		Hits:    v[0],
-		Misses:  v[1],
-		NoCache: v[2],
-	}, nil
-}
-
-func parseFileHandles(v []uint64) (FileHandles, error) {
-	if len(v) != 5 {
-		return FileHandles{}, fmt.Errorf("invalid FileHandles, line %q", v)
-	}
-
-	return FileHandles{
-		Stale:        v[0],
-		TotalLookups: v[1],
-		AnonLookups:  v[2],
-		DirNoCache:   v[3],
-		NoDirNoCache: v[4],
-	}, nil
-}
-
-func parseInputOutput(v []uint64) (InputOutput, error) {
-	if len(v) != 2 {
-		return InputOutput{}, fmt.Errorf("invalid InputOutput line %q", v)
-	}
-
-	return InputOutput{
-		Read:  v[0],
-		Write: v[1],
-	}, nil
-}
-
-func parseThreads(v []uint64) (Threads, error) {
-	if len(v) != 2 {
-		return Threads{}, fmt.Errorf("invalid Threads line %q", v)
-	}
-
-	return Threads{
-		Threads: v[0],
-		FullCnt: v[1],
-	}, nil
-}
-
-func parseReadAheadCache(v []uint64) (ReadAheadCache, error) {
-	if len(v) != 12 {
-		return ReadAheadCache{}, fmt.Errorf("invalid ReadAheadCache line %q", v)
-	}
-
-	return ReadAheadCache{
-		CacheSize:      v[0],
-		CacheHistogram: v[1:11],
-		NotFound:       v[11],
-	}, nil
-}
-
-func parseNetwork(v []uint64) (Network, error) {
-	if len(v) != 4 {
-		return Network{}, fmt.Errorf("invalid Network line %q", v)
-	}
-
-	return Network{
-		NetCount:   v[0],
-		UDPCount:   v[1],
-		TCPCount:   v[2],
-		TCPConnect: v[3],
-	}, nil
-}
-
-func parseServerRPC(v []uint64) (ServerRPC, error) {
-	if len(v) != 5 {
-		return ServerRPC{}, fmt.Errorf("invalid RPC line %q", v)
-	}
-
-	return ServerRPC{
-		RPCCount: v[0],
-		BadCnt:   v[1],
-		BadFmt:   v[2],
-		BadAuth:  v[3],
-		BadcInt:  v[4],
-	}, nil
-}
-
-func parseClientRPC(v []uint64) (ClientRPC, error) {
-	if len(v) != 3 {
-		return ClientRPC{}, fmt.Errorf("invalid RPC line %q", v)
-	}
-
-	return ClientRPC{
-		RPCCount:        v[0],
-		Retransmissions: v[1],
-		AuthRefreshes:   v[2],
-	}, nil
-}
-
-func parseV2Stats(v []uint64) (V2Stats, error) {
-	values := int(v[0])
-	if len(v[1:]) != values || values != 18 {
-		return V2Stats{}, fmt.Errorf("invalid V2Stats line %q", v)
-	}
-
-	return V2Stats{
-		Null:     v[1],
-		GetAttr:  v[2],
-		SetAttr:  v[3],
-		Root:     v[4],
-		Lookup:   v[5],
-		ReadLink: v[6],
-		Read:     v[7],
-		WrCache:  v[8],
-		Write:    v[9],
-		Create:   v[10],
-		Remove:   v[11],
-		Rename:   v[12],
-		Link:     v[13],
-		SymLink:  v[14],
-		MkDir:    v[15],
-		RmDir:    v[16],
-		ReadDir:  v[17],
-		FsStat:   v[18],
-	}, nil
-}
-
-func parseV3Stats(v []uint64) (V3Stats, error) {
-	values := int(v[0])
-	if len(v[1:]) != values || values != 22 {
-		return V3Stats{}, fmt.Errorf("invalid V3Stats line %q", v)
-	}
-
-	return V3Stats{
-		Null:        v[1],
-		GetAttr:     v[2],
-		SetAttr:     v[3],
-		Lookup:      v[4],
-		Access:      v[5],
-		ReadLink:    v[6],
-		Read:        v[7],
-		Write:       v[8],
-		Create:      v[9],
-		MkDir:       v[10],
-		SymLink:     v[11],
-		MkNod:       v[12],
-		Remove:      v[13],
-		RmDir:       v[14],
-		Rename:      v[15],
-		Link:        v[16],
-		ReadDir:     v[17],
-		ReadDirPlus: v[18],
-		FsStat:      v[19],
-		FsInfo:      v[20],
-		PathConf:    v[21],
-		Commit:      v[22],
-	}, nil
-}
-
-func parseClientV4Stats(v []uint64) (ClientV4Stats, error) {
-	values := int(v[0])
-	if len(v[1:]) != values {
-		return ClientV4Stats{}, fmt.Errorf("invalid ClientV4Stats line %q", v)
-	}
-
-	// This function currently supports mapping 59 NFS v4 client stats.  Older
-	// kernels may emit fewer stats, so we must detect this and pad out the
-	// values to match the expected slice size.
-	if values < 59 {
-		newValues := make([]uint64, 60)
-		copy(newValues, v)
-		v = newValues
-	}
-
-	return ClientV4Stats{
-		Null:               v[1],
-		Read:               v[2],
-		Write:              v[3],
-		Commit:             v[4],
-		Open:               v[5],
-		OpenConfirm:        v[6],
-		OpenNoattr:         v[7],
-		OpenDowngrade:      v[8],
-		Close:              v[9],
-		Setattr:            v[10],
-		FsInfo:             v[11],
-		Renew:              v[12],
-		SetClientID:        v[13],
-		SetClientIDConfirm: v[14],
-		Lock:               v[15],
-		Lockt:              v[16],
-		Locku:              v[17],
-		Access:             v[18],
-		Getattr:            v[19],
-		Lookup:             v[20],
-		LookupRoot:         v[21],
-		Remove:             v[22],
-		Rename:             v[23],
-		Link:               v[24],
-		Symlink:            v[25],
-		Create:             v[26],
-		Pathconf:           v[27],
-		StatFs:             v[28],
-		ReadLink:           v[29],
-		ReadDir:            v[30],
-		ServerCaps:         v[31],
-		DelegReturn:        v[32],
-		GetACL:             v[33],
-		SetACL:             v[34],
-		FsLocations:        v[35],
-		ReleaseLockowner:   v[36],
-		Secinfo:            v[37],
-		FsidPresent:        v[38],
-		ExchangeID:         v[39],
-		CreateSession:      v[40],
-		DestroySession:     v[41],
-		Sequence:           v[42],
-		GetLeaseTime:       v[43],
-		ReclaimComplete:    v[44],
-		LayoutGet:          v[45],
-		GetDeviceInfo:      v[46],
-		LayoutCommit:       v[47],
-		LayoutReturn:       v[48],
-		SecinfoNoName:      v[49],
-		TestStateID:        v[50],
-		FreeStateID:        v[51],
-		GetDeviceList:      v[52],
-		BindConnToSession:  v[53],
-		DestroyClientID:    v[54],
-		Seek:               v[55],
-		Allocate:           v[56],
-		DeAllocate:         v[57],
-		LayoutStats:        v[58],
-		Clone:              v[59],
-	}, nil
-}
-
-func parseServerV4Stats(v []uint64) (ServerV4Stats, error) {
-	values := int(v[0])
-	if len(v[1:]) != values || values != 2 {
-		return ServerV4Stats{}, fmt.Errorf("invalid V4Stats line %q", v)
-	}
-
-	return ServerV4Stats{
-		Null:     v[1],
-		Compound: v[2],
-	}, nil
-}
-
-func parseV4Ops(v []uint64) (V4Ops, error) {
-	values := int(v[0])
-	if len(v[1:]) != values || values < 39 {
-		return V4Ops{}, fmt.Errorf("invalid V4Ops line %q", v)
-	}
-
-	stats := V4Ops{
-		Op0Unused:    v[1],
-		Op1Unused:    v[2],
-		Op2Future:    v[3],
-		Access:       v[4],
-		Close:        v[5],
-		Commit:       v[6],
-		Create:       v[7],
-		DelegPurge:   v[8],
-		DelegReturn:  v[9],
-		GetAttr:      v[10],
-		GetFH:        v[11],
-		Link:         v[12],
-		Lock:         v[13],
-		Lockt:        v[14],
-		Locku:        v[15],
-		Lookup:       v[16],
-		LookupRoot:   v[17],
-		Nverify:      v[18],
-		Open:         v[19],
-		OpenAttr:     v[20],
-		OpenConfirm:  v[21],
-		OpenDgrd:     v[22],
-		PutFH:        v[23],
-		PutPubFH:     v[24],
-		PutRootFH:    v[25],
-		Read:         v[26],
-		ReadDir:      v[27],
-		ReadLink:     v[28],
-		Remove:       v[29],
-		Rename:       v[30],
-		Renew:        v[31],
-		RestoreFH:    v[32],
-		SaveFH:       v[33],
-		SecInfo:      v[34],
-		SetAttr:      v[35],
-		Verify:       v[36],
-		Write:        v[37],
-		RelLockOwner: v[38],
-	}
-
-	return stats, nil
-}
diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go
deleted file mode 100644
index c0d3a5ad9b..0000000000
--- a/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package nfs
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"strings"
-
-	"github.com/prometheus/procfs/internal/util"
-)
-
-// ParseClientRPCStats returns stats read from /proc/net/rpc/nfs
-func ParseClientRPCStats(r io.Reader) (*ClientRPCStats, error) {
-	stats := &ClientRPCStats{}
-
-	scanner := bufio.NewScanner(r)
-	for scanner.Scan() {
-		line := scanner.Text()
-		parts := strings.Fields(scanner.Text())
-		// require at least <key> <value>
-		if len(parts) < 2 {
-			return nil, fmt.Errorf("invalid NFS metric line %q", line)
-		}
-
-		values, err := util.ParseUint64s(parts[1:])
-		if err != nil {
-			return nil, fmt.Errorf("error parsing NFS metric line: %s", err)
-		}
-
-		switch metricLine := parts[0]; metricLine {
-		case "net":
-			stats.Network, err = parseNetwork(values)
-		case "rpc":
-			stats.ClientRPC, err = parseClientRPC(values)
-		case "proc2":
-			stats.V2Stats, err = parseV2Stats(values)
-		case "proc3":
-			stats.V3Stats, err = parseV3Stats(values)
-		case "proc4":
-			stats.ClientV4Stats, err = parseClientV4Stats(values)
-		default:
-			return nil, fmt.Errorf("unknown NFS metric line %q", metricLine)
-		}
-		if err != nil {
-			return nil, fmt.Errorf("errors parsing NFS metric line: %s", err)
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		return nil, fmt.Errorf("error scanning NFS file: %s", err)
-	}
-
-	return stats, nil
-}
diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go
deleted file mode 100644
index 57bb4a3585..0000000000
--- a/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2018 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package nfs
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"strings"
-
-	"github.com/prometheus/procfs/internal/util"
-)
-
-// ParseServerRPCStats returns stats read from /proc/net/rpc/nfsd
-func ParseServerRPCStats(r io.Reader) (*ServerRPCStats, error) {
-	stats := &ServerRPCStats{}
-
-	scanner := bufio.NewScanner(r)
-	for scanner.Scan() {
-		line := scanner.Text()
-		parts := strings.Fields(scanner.Text())
-		// require at least <key> <value>
-		if len(parts) < 2 {
-			return nil, fmt.Errorf("invalid NFSd metric line %q", line)
-		}
-		label := parts[0]
-
-		var values []uint64
-		var err error
-		if label == "th" {
-			if len(parts) < 3 {
-				return nil, fmt.Errorf("invalid NFSd th metric line %q", line)
-			}
-			values, err = util.ParseUint64s(parts[1:3])
-		} else {
-			values, err = util.ParseUint64s(parts[1:])
-		}
-		if err != nil {
-			return nil, fmt.Errorf("error parsing NFSd metric line: %s", err)
-		}
-
-		switch metricLine := parts[0]; metricLine {
-		case "rc":
-			stats.ReplyCache, err = parseReplyCache(values)
-		case "fh":
-			stats.FileHandles, err = parseFileHandles(values)
-		case "io":
-			stats.InputOutput, err = parseInputOutput(values)
-		case "th":
-			stats.Threads, err = parseThreads(values)
-		case "ra":
-			stats.ReadAheadCache, err = parseReadAheadCache(values)
-		case "net":
-			stats.Network, err = parseNetwork(values)
-		case "rpc":
-			stats.ServerRPC, err = parseServerRPC(values)
-		case "proc2":
-			stats.V2Stats, err = parseV2Stats(values)
-		case "proc3":
-			stats.V3Stats, err = parseV3Stats(values)
-		case "proc4":
-			stats.ServerV4Stats, err = parseServerV4Stats(values)
-		case "proc4ops":
-			stats.V4Ops, err = parseV4Ops(values)
-		default:
-			return nil, fmt.Errorf("unknown NFSd metric line %q", metricLine)
-		}
-		if err != nil {
-			return nil, fmt.Errorf("errors parsing NFSd metric line: %s", err)
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		return nil, fmt.Errorf("error scanning NFSd file: %s", err)
-	}
-
-	return stats, nil
-}
diff --git a/vendor/github.com/prometheus/procfs/proc.go b/vendor/github.com/prometheus/procfs/proc.go
index 06bed0ef4a..8e38493a89 100644
--- a/vendor/github.com/prometheus/procfs/proc.go
+++ b/vendor/github.com/prometheus/procfs/proc.go
@@ -20,6 +20,8 @@ import (
 	"os"
 	"strconv"
 	"strings"
+
+	"github.com/prometheus/procfs/internal/fs"
 )
 
 // Proc provides information about a running process.
@@ -27,7 +29,7 @@ type Proc struct {
 	// The process ID.
 	PID int
 
-	fs FS
+	fs fs.FS
 }
 
 // Procs represents a list of Proc structs.
@@ -66,11 +68,11 @@ func AllProcs() (Procs, error) {
 
 // Self returns a process for the current process.
 func (fs FS) Self() (Proc, error) {
-	p, err := os.Readlink(fs.Path("self"))
+	p, err := os.Readlink(fs.proc.Path("self"))
 	if err != nil {
 		return Proc{}, err
 	}
-	pid, err := strconv.Atoi(strings.Replace(p, string(fs), "", -1))
+	pid, err := strconv.Atoi(strings.Replace(p, string(fs.proc), "", -1))
 	if err != nil {
 		return Proc{}, err
 	}
@@ -79,15 +81,15 @@ func (fs FS) Self() (Proc, error) {
 
 // NewProc returns a process for the given pid.
 func (fs FS) NewProc(pid int) (Proc, error) {
-	if _, err := os.Stat(fs.Path(strconv.Itoa(pid))); err != nil {
+	if _, err := os.Stat(fs.proc.Path(strconv.Itoa(pid))); err != nil {
 		return Proc{}, err
 	}
-	return Proc{PID: pid, fs: fs}, nil
+	return Proc{PID: pid, fs: fs.proc}, nil
 }
 
 // AllProcs returns a list of all currently available processes.
 func (fs FS) AllProcs() (Procs, error) {
-	d, err := os.Open(fs.Path())
+	d, err := os.Open(fs.proc.Path())
 	if err != nil {
 		return Procs{}, err
 	}
@@ -104,7 +106,7 @@ func (fs FS) AllProcs() (Procs, error) {
 		if err != nil {
 			continue
 		}
-		p = append(p, Proc{PID: int(pid), fs: fs})
+		p = append(p, Proc{PID: int(pid), fs: fs.proc})
 	}
 
 	return p, nil
diff --git a/vendor/github.com/prometheus/procfs/proc_psi.go b/vendor/github.com/prometheus/procfs/proc_psi.go
new file mode 100644
index 0000000000..a23d4c0f05
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_psi.go
@@ -0,0 +1,110 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+// The PSI / pressure interface is described at
+//   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/accounting/psi.txt
+// Each resource (cpu, io, memory, ...) is exposed as a single file.
+// Each file may contain up to two lines, one for "some" pressure and one for "full" pressure.
+// Each line contains several averages (over n seconds) and a total in µs.
+//
+// Example io pressure file:
+// > some avg10=0.06 avg60=0.21 avg300=0.99 total=8537362
+// > full avg10=0.00 avg60=0.13 avg300=0.96 total=8183134
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"strings"
+)
+
+const lineFormat = "avg10=%f avg60=%f avg300=%f total=%d"
+
+// PSILine is a single line of values as returned by /proc/pressure/*
+// The Avg entries are averages over n seconds, as a percentage
+// The Total line is in microseconds
+type PSILine struct {
+	Avg10  float64
+	Avg60  float64
+	Avg300 float64
+	Total  uint64
+}
+
+// PSIStats represent pressure stall information from /proc/pressure/*
+// Some indicates the share of time in which at least some tasks are stalled
+// Full indicates the share of time in which all non-idle tasks are stalled simultaneously
+type PSIStats struct {
+	Some *PSILine
+	Full *PSILine
+}
+
+// NewPSIStatsForResource reads pressure stall information for the specified
+// resource. At time of writing this can be either "cpu", "memory" or "io".
+func NewPSIStatsForResource(resource string) (PSIStats, error) {
+	fs, err := NewFS(DefaultMountPoint)
+	if err != nil {
+		return PSIStats{}, err
+	}
+
+	return fs.NewPSIStatsForResource(resource)
+}
+
+// NewPSIStatsForResource reads pressure stall information from /proc/pressure/<resource>
+func (fs FS) NewPSIStatsForResource(resource string) (PSIStats, error) {
+	file, err := os.Open(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
+	if err != nil {
+		return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %s", resource)
+	}
+
+	defer file.Close()
+	return parsePSIStats(resource, file)
+}
+
+// parsePSIStats parses the specified file for pressure stall information
+func parsePSIStats(resource string, file io.Reader) (PSIStats, error) {
+	psiStats := PSIStats{}
+	stats, err := ioutil.ReadAll(file)
+	if err != nil {
+		return psiStats, fmt.Errorf("psi_stats: unable to read data for %s", resource)
+	}
+
+	for _, l := range strings.Split(string(stats), "\n") {
+		prefix := strings.Split(l, " ")[0]
+		switch prefix {
+		case "some":
+			psi := PSILine{}
+			_, err := fmt.Sscanf(l, fmt.Sprintf("some %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total)
+			if err != nil {
+				return PSIStats{}, err
+			}
+			psiStats.Some = &psi
+		case "full":
+			psi := PSILine{}
+			_, err := fmt.Sscanf(l, fmt.Sprintf("full %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total)
+			if err != nil {
+				return PSIStats{}, err
+			}
+			psiStats.Full = &psi
+		default:
+			// If we encounter a line with an unknown prefix, ignore it and move on
+			// Should new measurement types be added in the future we'll simply ignore them instead
+			// of erroring on retrieval
+			continue
+		}
+	}
+
+	return psiStats, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_stat.go b/vendor/github.com/prometheus/procfs/proc_stat.go
index 3cf2a9f18f..4c8b03ced4 100644
--- a/vendor/github.com/prometheus/procfs/proc_stat.go
+++ b/vendor/github.com/prometheus/procfs/proc_stat.go
@@ -18,6 +18,8 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+
+	"github.com/prometheus/procfs/internal/fs"
 )
 
 // Originally, this USER_HZ value was dynamically retrieved via a sysconf call
@@ -95,11 +97,11 @@ type ProcStat struct {
 	// in clock ticks.
 	Starttime uint64
 	// Virtual memory size in bytes.
-	VSize int
+	VSize uint
 	// Resident set size in pages.
 	RSS int
 
-	fs FS
+	proc fs.FS
 }
 
 // NewStat returns the current status information of the process.
@@ -118,7 +120,7 @@ func (p Proc) NewStat() (ProcStat, error) {
 	var (
 		ignore int
 
-		s = ProcStat{PID: p.PID, fs: p.fs}
+		s = ProcStat{PID: p.PID, proc: p.fs}
 		l = bytes.Index(data, []byte("("))
 		r = bytes.LastIndex(data, []byte(")"))
 	)
@@ -164,7 +166,7 @@ func (p Proc) NewStat() (ProcStat, error) {
 }
 
 // VirtualMemory returns the virtual memory size in bytes.
-func (s ProcStat) VirtualMemory() int {
+func (s ProcStat) VirtualMemory() uint {
 	return s.VSize
 }
 
@@ -175,7 +177,8 @@ func (s ProcStat) ResidentMemory() int {
 
 // StartTime returns the unix timestamp of the process in seconds.
 func (s ProcStat) StartTime() (float64, error) {
-	stat, err := s.fs.NewStat()
+	fs := FS{proc: s.proc}
+	stat, err := fs.NewStat()
 	if err != nil {
 		return 0, err
 	}
diff --git a/vendor/github.com/prometheus/procfs/stat.go b/vendor/github.com/prometheus/procfs/stat.go
index 61eb6b0e3c..44c9af1b0b 100644
--- a/vendor/github.com/prometheus/procfs/stat.go
+++ b/vendor/github.com/prometheus/procfs/stat.go
@@ -153,7 +153,7 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
 func (fs FS) NewStat() (Stat, error) {
 	// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
 
-	f, err := os.Open(fs.Path("stat"))
+	f, err := os.Open(fs.proc.Path("stat"))
 	if err != nil {
 		return Stat{}, err
 	}
diff --git a/vendor/github.com/prometheus/procfs/xfrm.go b/vendor/github.com/prometheus/procfs/xfrm.go
index 8f1508f0fd..30aa417d53 100644
--- a/vendor/github.com/prometheus/procfs/xfrm.go
+++ b/vendor/github.com/prometheus/procfs/xfrm.go
@@ -97,7 +97,7 @@ func NewXfrmStat() (XfrmStat, error) {
 
 // NewXfrmStat reads the xfrm_stat statistics from the 'proc' filesystem.
 func (fs FS) NewXfrmStat() (XfrmStat, error) {
-	file, err := os.Open(fs.Path("net/xfrm_stat"))
+	file, err := os.Open(fs.proc.Path("net/xfrm_stat"))
 	if err != nil {
 		return XfrmStat{}, err
 	}
diff --git a/vendor/github.com/prometheus/procfs/xfs/parse.go b/vendor/github.com/prometheus/procfs/xfs/parse.go
deleted file mode 100644
index 2bc0ef3427..0000000000
--- a/vendor/github.com/prometheus/procfs/xfs/parse.go
+++ /dev/null
@@ -1,330 +0,0 @@
-// Copyright 2017 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package xfs
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"strings"
-
-	"github.com/prometheus/procfs/internal/util"
-)
-
-// ParseStats parses a Stats from an input io.Reader, using the format
-// found in /proc/fs/xfs/stat.
-func ParseStats(r io.Reader) (*Stats, error) {
-	const (
-		// Fields parsed into stats structures.
-		fieldExtentAlloc = "extent_alloc"
-		fieldAbt         = "abt"
-		fieldBlkMap      = "blk_map"
-		fieldBmbt        = "bmbt"
-		fieldDir         = "dir"
-		fieldTrans       = "trans"
-		fieldIg          = "ig"
-		fieldLog         = "log"
-		fieldRw          = "rw"
-		fieldAttr        = "attr"
-		fieldIcluster    = "icluster"
-		fieldVnodes      = "vnodes"
-		fieldBuf         = "buf"
-		fieldXpc         = "xpc"
-
-		// Unimplemented at this time due to lack of documentation.
-		fieldPushAil = "push_ail"
-		fieldXstrat  = "xstrat"
-		fieldAbtb2   = "abtb2"
-		fieldAbtc2   = "abtc2"
-		fieldBmbt2   = "bmbt2"
-		fieldIbt2    = "ibt2"
-		fieldFibt2   = "fibt2"
-		fieldQm      = "qm"
-		fieldDebug   = "debug"
-	)
-
-	var xfss Stats
-
-	s := bufio.NewScanner(r)
-	for s.Scan() {
-		// Expect at least a string label and a single integer value, ex:
-		//   - abt 0
-		//   - rw 1 2
-		ss := strings.Fields(string(s.Bytes()))
-		if len(ss) < 2 {
-			continue
-		}
-		label := ss[0]
-
-		// Extended precision counters are uint64 values.
-		if label == fieldXpc {
-			us, err := util.ParseUint64s(ss[1:])
-			if err != nil {
-				return nil, err
-			}
-
-			xfss.ExtendedPrecision, err = extendedPrecisionStats(us)
-			if err != nil {
-				return nil, err
-			}
-
-			continue
-		}
-
-		// All other counters are uint32 values.
-		us, err := util.ParseUint32s(ss[1:])
-		if err != nil {
-			return nil, err
-		}
-
-		switch label {
-		case fieldExtentAlloc:
-			xfss.ExtentAllocation, err = extentAllocationStats(us)
-		case fieldAbt:
-			xfss.AllocationBTree, err = btreeStats(us)
-		case fieldBlkMap:
-			xfss.BlockMapping, err = blockMappingStats(us)
-		case fieldBmbt:
-			xfss.BlockMapBTree, err = btreeStats(us)
-		case fieldDir:
-			xfss.DirectoryOperation, err = directoryOperationStats(us)
-		case fieldTrans:
-			xfss.Transaction, err = transactionStats(us)
-		case fieldIg:
-			xfss.InodeOperation, err = inodeOperationStats(us)
-		case fieldLog:
-			xfss.LogOperation, err = logOperationStats(us)
-		case fieldRw:
-			xfss.ReadWrite, err = readWriteStats(us)
-		case fieldAttr:
-			xfss.AttributeOperation, err = attributeOperationStats(us)
-		case fieldIcluster:
-			xfss.InodeClustering, err = inodeClusteringStats(us)
-		case fieldVnodes:
-			xfss.Vnode, err = vnodeStats(us)
-		case fieldBuf:
-			xfss.Buffer, err = bufferStats(us)
-		}
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return &xfss, s.Err()
-}
-
-// extentAllocationStats builds an ExtentAllocationStats from a slice of uint32s.
-func extentAllocationStats(us []uint32) (ExtentAllocationStats, error) {
-	if l := len(us); l != 4 {
-		return ExtentAllocationStats{}, fmt.Errorf("incorrect number of values for XFS extent allocation stats: %d", l)
-	}
-
-	return ExtentAllocationStats{
-		ExtentsAllocated: us[0],
-		BlocksAllocated:  us[1],
-		ExtentsFreed:     us[2],
-		BlocksFreed:      us[3],
-	}, nil
-}
-
-// btreeStats builds a BTreeStats from a slice of uint32s.
-func btreeStats(us []uint32) (BTreeStats, error) {
-	if l := len(us); l != 4 {
-		return BTreeStats{}, fmt.Errorf("incorrect number of values for XFS btree stats: %d", l)
-	}
-
-	return BTreeStats{
-		Lookups:         us[0],
-		Compares:        us[1],
-		RecordsInserted: us[2],
-		RecordsDeleted:  us[3],
-	}, nil
-}
-
-// BlockMappingStat builds a BlockMappingStats from a slice of uint32s.
-func blockMappingStats(us []uint32) (BlockMappingStats, error) {
-	if l := len(us); l != 7 {
-		return BlockMappingStats{}, fmt.Errorf("incorrect number of values for XFS block mapping stats: %d", l)
-	}
-
-	return BlockMappingStats{
-		Reads:                us[0],
-		Writes:               us[1],
-		Unmaps:               us[2],
-		ExtentListInsertions: us[3],
-		ExtentListDeletions:  us[4],
-		ExtentListLookups:    us[5],
-		ExtentListCompares:   us[6],
-	}, nil
-}
-
-// DirectoryOperationStats builds a DirectoryOperationStats from a slice of uint32s.
-func directoryOperationStats(us []uint32) (DirectoryOperationStats, error) {
-	if l := len(us); l != 4 {
-		return DirectoryOperationStats{}, fmt.Errorf("incorrect number of values for XFS directory operation stats: %d", l)
-	}
-
-	return DirectoryOperationStats{
-		Lookups:  us[0],
-		Creates:  us[1],
-		Removes:  us[2],
-		Getdents: us[3],
-	}, nil
-}
-
-// TransactionStats builds a TransactionStats from a slice of uint32s.
-func transactionStats(us []uint32) (TransactionStats, error) {
-	if l := len(us); l != 3 {
-		return TransactionStats{}, fmt.Errorf("incorrect number of values for XFS transaction stats: %d", l)
-	}
-
-	return TransactionStats{
-		Sync:  us[0],
-		Async: us[1],
-		Empty: us[2],
-	}, nil
-}
-
-// InodeOperationStats builds an InodeOperationStats from a slice of uint32s.
-func inodeOperationStats(us []uint32) (InodeOperationStats, error) {
-	if l := len(us); l != 7 {
-		return InodeOperationStats{}, fmt.Errorf("incorrect number of values for XFS inode operation stats: %d", l)
-	}
-
-	return InodeOperationStats{
-		Attempts:        us[0],
-		Found:           us[1],
-		Recycle:         us[2],
-		Missed:          us[3],
-		Duplicate:       us[4],
-		Reclaims:        us[5],
-		AttributeChange: us[6],
-	}, nil
-}
-
-// LogOperationStats builds a LogOperationStats from a slice of uint32s.
-func logOperationStats(us []uint32) (LogOperationStats, error) {
-	if l := len(us); l != 5 {
-		return LogOperationStats{}, fmt.Errorf("incorrect number of values for XFS log operation stats: %d", l)
-	}
-
-	return LogOperationStats{
-		Writes:            us[0],
-		Blocks:            us[1],
-		NoInternalBuffers: us[2],
-		Force:             us[3],
-		ForceSleep:        us[4],
-	}, nil
-}
-
-// ReadWriteStats builds a ReadWriteStats from a slice of uint32s.
-func readWriteStats(us []uint32) (ReadWriteStats, error) {
-	if l := len(us); l != 2 {
-		return ReadWriteStats{}, fmt.Errorf("incorrect number of values for XFS read write stats: %d", l)
-	}
-
-	return ReadWriteStats{
-		Read:  us[0],
-		Write: us[1],
-	}, nil
-}
-
-// AttributeOperationStats builds an AttributeOperationStats from a slice of uint32s.
-func attributeOperationStats(us []uint32) (AttributeOperationStats, error) {
-	if l := len(us); l != 4 {
-		return AttributeOperationStats{}, fmt.Errorf("incorrect number of values for XFS attribute operation stats: %d", l)
-	}
-
-	return AttributeOperationStats{
-		Get:    us[0],
-		Set:    us[1],
-		Remove: us[2],
-		List:   us[3],
-	}, nil
-}
-
-// InodeClusteringStats builds an InodeClusteringStats from a slice of uint32s.
-func inodeClusteringStats(us []uint32) (InodeClusteringStats, error) {
-	if l := len(us); l != 3 {
-		return InodeClusteringStats{}, fmt.Errorf("incorrect number of values for XFS inode clustering stats: %d", l)
-	}
-
-	return InodeClusteringStats{
-		Iflush:     us[0],
-		Flush:      us[1],
-		FlushInode: us[2],
-	}, nil
-}
-
-// VnodeStats builds a VnodeStats from a slice of uint32s.
-func vnodeStats(us []uint32) (VnodeStats, error) {
-	// The attribute "Free" appears to not be available on older XFS
-	// stats versions.  Therefore, 7 or 8 elements may appear in
-	// this slice.
-	l := len(us)
-	if l != 7 && l != 8 {
-		return VnodeStats{}, fmt.Errorf("incorrect number of values for XFS vnode stats: %d", l)
-	}
-
-	s := VnodeStats{
-		Active:   us[0],
-		Allocate: us[1],
-		Get:      us[2],
-		Hold:     us[3],
-		Release:  us[4],
-		Reclaim:  us[5],
-		Remove:   us[6],
-	}
-
-	// Skip adding free, unless it is present. The zero value will
-	// be used in place of an actual count.
-	if l == 7 {
-		return s, nil
-	}
-
-	s.Free = us[7]
-	return s, nil
-}
-
-// BufferStats builds a BufferStats from a slice of uint32s.
-func bufferStats(us []uint32) (BufferStats, error) {
-	if l := len(us); l != 9 {
-		return BufferStats{}, fmt.Errorf("incorrect number of values for XFS buffer stats: %d", l)
-	}
-
-	return BufferStats{
-		Get:             us[0],
-		Create:          us[1],
-		GetLocked:       us[2],
-		GetLockedWaited: us[3],
-		BusyLocked:      us[4],
-		MissLocked:      us[5],
-		PageRetries:     us[6],
-		PageFound:       us[7],
-		GetRead:         us[8],
-	}, nil
-}
-
-// ExtendedPrecisionStats builds an ExtendedPrecisionStats from a slice of uint32s.
-func extendedPrecisionStats(us []uint64) (ExtendedPrecisionStats, error) {
-	if l := len(us); l != 3 {
-		return ExtendedPrecisionStats{}, fmt.Errorf("incorrect number of values for XFS extended precision stats: %d", l)
-	}
-
-	return ExtendedPrecisionStats{
-		FlushBytes: us[0],
-		WriteBytes: us[1],
-		ReadBytes:  us[2],
-	}, nil
-}
diff --git a/vendor/github.com/prometheus/procfs/xfs/xfs.go b/vendor/github.com/prometheus/procfs/xfs/xfs.go
deleted file mode 100644
index d86794b7ca..0000000000
--- a/vendor/github.com/prometheus/procfs/xfs/xfs.go
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright 2017 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package xfs provides access to statistics exposed by the XFS filesystem.
-package xfs
-
-// Stats contains XFS filesystem runtime statistics, parsed from
-// /proc/fs/xfs/stat.
-//
-// The names and meanings of each statistic were taken from
-// http://xfs.org/index.php/Runtime_Stats and xfs_stats.h in the Linux
-// kernel source. Most counters are uint32s (same data types used in
-// xfs_stats.h), but some of the "extended precision stats" are uint64s.
-type Stats struct {
-	// The name of the filesystem used to source these statistics.
-	// If empty, this indicates aggregated statistics for all XFS
-	// filesystems on the host.
-	Name string
-
-	ExtentAllocation   ExtentAllocationStats
-	AllocationBTree    BTreeStats
-	BlockMapping       BlockMappingStats
-	BlockMapBTree      BTreeStats
-	DirectoryOperation DirectoryOperationStats
-	Transaction        TransactionStats
-	InodeOperation     InodeOperationStats
-	LogOperation       LogOperationStats
-	ReadWrite          ReadWriteStats
-	AttributeOperation AttributeOperationStats
-	InodeClustering    InodeClusteringStats
-	Vnode              VnodeStats
-	Buffer             BufferStats
-	ExtendedPrecision  ExtendedPrecisionStats
-}
-
-// ExtentAllocationStats contains statistics regarding XFS extent allocations.
-type ExtentAllocationStats struct {
-	ExtentsAllocated uint32
-	BlocksAllocated  uint32
-	ExtentsFreed     uint32
-	BlocksFreed      uint32
-}
-
-// BTreeStats contains statistics regarding an XFS internal B-tree.
-type BTreeStats struct {
-	Lookups         uint32
-	Compares        uint32
-	RecordsInserted uint32
-	RecordsDeleted  uint32
-}
-
-// BlockMappingStats contains statistics regarding XFS block maps.
-type BlockMappingStats struct {
-	Reads                uint32
-	Writes               uint32
-	Unmaps               uint32
-	ExtentListInsertions uint32
-	ExtentListDeletions  uint32
-	ExtentListLookups    uint32
-	ExtentListCompares   uint32
-}
-
-// DirectoryOperationStats contains statistics regarding XFS directory entries.
-type DirectoryOperationStats struct {
-	Lookups  uint32
-	Creates  uint32
-	Removes  uint32
-	Getdents uint32
-}
-
-// TransactionStats contains statistics regarding XFS metadata transactions.
-type TransactionStats struct {
-	Sync  uint32
-	Async uint32
-	Empty uint32
-}
-
-// InodeOperationStats contains statistics regarding XFS inode operations.
-type InodeOperationStats struct {
-	Attempts        uint32
-	Found           uint32
-	Recycle         uint32
-	Missed          uint32
-	Duplicate       uint32
-	Reclaims        uint32
-	AttributeChange uint32
-}
-
-// LogOperationStats contains statistics regarding the XFS log buffer.
-type LogOperationStats struct {
-	Writes            uint32
-	Blocks            uint32
-	NoInternalBuffers uint32
-	Force             uint32
-	ForceSleep        uint32
-}
-
-// ReadWriteStats contains statistics regarding the number of read and write
-// system calls for XFS filesystems.
-type ReadWriteStats struct {
-	Read  uint32
-	Write uint32
-}
-
-// AttributeOperationStats contains statistics regarding manipulation of
-// XFS extended file attributes.
-type AttributeOperationStats struct {
-	Get    uint32
-	Set    uint32
-	Remove uint32
-	List   uint32
-}
-
-// InodeClusteringStats contains statistics regarding XFS inode clustering
-// operations.
-type InodeClusteringStats struct {
-	Iflush     uint32
-	Flush      uint32
-	FlushInode uint32
-}
-
-// VnodeStats contains statistics regarding XFS vnode operations.
-type VnodeStats struct {
-	Active   uint32
-	Allocate uint32
-	Get      uint32
-	Hold     uint32
-	Release  uint32
-	Reclaim  uint32
-	Remove   uint32
-	Free     uint32
-}
-
-// BufferStats contains statistics regarding XFS read/write I/O buffers.
-type BufferStats struct {
-	Get             uint32
-	Create          uint32
-	GetLocked       uint32
-	GetLockedWaited uint32
-	BusyLocked      uint32
-	MissLocked      uint32
-	PageRetries     uint32
-	PageFound       uint32
-	GetRead         uint32
-}
-
-// ExtendedPrecisionStats contains high precision counters used to track the
-// total number of bytes read, written, or flushed, during XFS operations.
-type ExtendedPrecisionStats struct {
-	FlushBytes uint64
-	WriteBytes uint64
-	ReadBytes  uint64
-}
author	Cherrg <michael@gnehr.de>	2019-07-06 17:16:43 +0200
committer	zeripath <art27@cantab.net>	2019-07-06 16:16:43 +0100
commit	86750325c76ec18c253fabd4aeed72caca0ee946 (patch)
tree	96fcbcf078e9170c627f723ef6967c29b28f4b8d /vendor/github.com/prometheus/procfs
parent	49ee9d27718c31d5ab4fe9543fefc90cd40d4405 (diff)
download	gitea-86750325c76ec18c253fabd4aeed72caca0ee946.tar.gz gitea-86750325c76ec18c253fabd4aeed72caca0ee946.zip