[script] add logs.sh + tail all SQ log files in start.sh

1 files changed, 75 insertions, 0 deletions

diff --git a/scripts/logs.sh b/scripts/logs.sh
new file mode 100755
index 00000000000..1a6f62a88a1
--- /dev/null
+++ b/scripts/logs.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+###############################
+# usage: logs.sh [ -l ARG ] [ -n ARG ]
+#  -l ARG: name of log file to display.
+#          valid values are 'all', 'sonar', 'web', 'ce' and 'es' (case insensitive).
+#          default value is 'all'.
+#  -n ARG: number of log line to display. Value is passed to n option of tail.
+#          default value is 25
+###############################
+
+set -euo pipefail
+
+DEFAULT_LOG="all"
+DEFAULT_LINES="25"
+LOGS="sonar web ce es"
+function checkLogArgument() {
+  local logArg="$1"
+  if [ "${logArg,,}" == "$DEFAULT_LOG" ]; then
+    return
+  fi
+  for t in $LOGS; do
+    if [ "${logArg,,}" == "$t" ]; then
+      return
+    fi
+  done
+  echo "Unsupported -l argument $logArg"
+  exit 1
+}
+
+function buildTailArgs() {
+  local logArg="$1"
+  local logLines="$2"
+  local res=""
+  for t in $LOGS; do
+    if [ "${logArg,,}" == "$DEFAULT_LOG" ] || [ "${logArg,,}" == "$t" ]; then
+      res="$res -Fn $logLines $SQ_HOME/logs/$t.log"
+    fi
+  done
+  echo "$res"
+}
+
+function doTail() {
+  local logArg="$1"
+  local logLines="${2:-"$DEFAULT_LINES"}"
+  TAIL_ARG=$(buildTailArgs "$logArg" "$logLines")
+  tail $TAIL_ARG
+}
+
+# check the script was called to avoid execute when script is only sourced
+script_name=$(basename "$0")
+if [ "$script_name" == "logs.sh" ]; then
+  LOG="$DEFAULT_LOG"
+  LINES="$DEFAULT_LINES"
+  while getopts ":l:n:" opt; do
+    case "$opt" in
+      l) LOG=${OPTARG:=$DEFAULT_LOG}
+         ;;
+      n) LINES=${OPTARG:=$DEFAULT_LINES}
+         ;;
+      \?)
+        echo "Unsupported option $OPTARG" >&2
+        exit 1
+        ;;
+    esac
+  done
+
+  checkLogArgument "$LOG"
+
+  ROOT=$(pwd)
+  cd sonar-application/target/sonarqube-*
+  SQ_HOME=$(pwd)
+  cd "$ROOT"
+
+  doTail "$LOG" "$LINES"
+fi