SONAR-9507 move CeConfiguration to module ce and delete module ce-api

3 files changed, 178 insertions, 0 deletions

diff --git a/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfiguration.java b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfiguration.java
new file mode 100644
index 00000000000..393ec1d6f52
--- /dev/null
+++ b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfiguration.java
@@ -0,0 +1,45 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.ce.configuration;
+
+public interface CeConfiguration {
+
+  /**
+   * The number of workers to process CeTasks concurrently.
+   */
+  int getWorkerCount();
+
+  /**
+   * The delay in millisecond before a {@link org.sonar.ce.taskprocessor.CeWorker} shall try and find a task
+   * to process when it's previous execution had nothing to do.
+   */
+  long getQueuePollingDelay();
+
+  /**
+   * Delay before running job that cleans CE tasks for the first time (in minutes).
+   */
+  long getCleanCeTasksInitialDelay();
+
+  /**
+   * Delay between the end of a run and the start of the next one of the job that cleans CE tasks (in minutes).
+   */
+  long getCleanCeTasksDelay();
+
+}
diff --git a/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfigurationImpl.java b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfigurationImpl.java
new file mode 100644
index 00000000000..be00dbc3d08
--- /dev/null
+++ b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/CeConfigurationImpl.java
@@ -0,0 +1,110 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.ce.configuration;
+
+import org.picocontainer.Startable;
+import org.sonar.api.config.Configuration;
+import org.sonar.api.utils.MessageException;
+import org.sonar.api.utils.log.Logger;
+import org.sonar.api.utils.log.Loggers;
+
+import static java.lang.String.format;
+
+/**
+ * Immutable implementation of {@link CeConfiguration} which takes value returned by
+ * {@link CeConfiguration#getWorkerCount()} from property {@link CeConfigurationImpl#CE_WORKERS_COUNT_PROPERTY} and
+ * always returns {@link #DEFAULT_QUEUE_POLLING_DELAY} when {@link CeConfiguration#getQueuePollingDelay()} is called.
+ */
+public class CeConfigurationImpl implements CeConfiguration, Startable {
+  private static final String CE_WORKERS_COUNT_PROPERTY = "sonar.ce.workerCount";
+
+  private static final Logger LOG = Loggers.get(CeConfigurationImpl.class);
+
+  private static final int DEFAULT_WORKER_COUNT = 1;
+  // 2 seconds
+  private static final long DEFAULT_QUEUE_POLLING_DELAY = 2 * 1000L;
+  // 1 minute
+  private static final long CANCEL_WORN_OUTS_INITIAL_DELAY = 1;
+  // 10 minutes
+  private static final long CANCEL_WORN_OUTS_DELAY = 10;
+
+  private final int workerCount;
+
+  public CeConfigurationImpl(Configuration config) {
+    String workerCountAsStr = config.get(CE_WORKERS_COUNT_PROPERTY).orElse(null);
+    if (workerCountAsStr == null || workerCountAsStr.isEmpty()) {
+      this.workerCount = DEFAULT_WORKER_COUNT;
+    } else {
+      this.workerCount = parseStringValue(workerCountAsStr);
+    }
+  }
+
+  private static int parseStringValue(String workerCountAsStr) {
+    try {
+      int value = Integer.parseInt(workerCountAsStr);
+      if (value < 1) {
+        throw parsingError(workerCountAsStr);
+      }
+      return value;
+    } catch (NumberFormatException e) {
+      throw parsingError(workerCountAsStr);
+    }
+  }
+
+  private static MessageException parsingError(String workerCountAsStr) {
+    return MessageException.of(format(
+      "value '%s' of property %s is invalid. It must an integer strictly greater than 0.",
+      workerCountAsStr,
+      CE_WORKERS_COUNT_PROPERTY));
+  }
+
+  @Override
+  public void start() {
+    if (this.workerCount > 1) {
+      LOG.info("Compute Engine will use {} concurrent workers to process tasks", this.workerCount);
+    }
+  }
+
+  @Override
+  public void stop() {
+    // nothing to do
+  }
+
+  @Override
+  public int getWorkerCount() {
+    return workerCount;
+  }
+
+  @Override
+  public long getQueuePollingDelay() {
+    return DEFAULT_QUEUE_POLLING_DELAY;
+  }
+
+  @Override
+  public long getCleanCeTasksInitialDelay() {
+    return CANCEL_WORN_OUTS_INITIAL_DELAY;
+  }
+
+  @Override
+  public long getCleanCeTasksDelay() {
+    return CANCEL_WORN_OUTS_DELAY;
+  }
+
+}
diff --git a/server/sonar-ce/src/main/java/org/sonar/ce/configuration/package-info.java b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/package-info.java
new file mode 100644
index 00000000000..5805ec5bddf
--- /dev/null
+++ b/server/sonar-ce/src/main/java/org/sonar/ce/configuration/package-info.java
@@ -0,0 +1,23 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+@ParametersAreNonnullByDefault
+package org.sonar.ce.configuration;
+
+import javax.annotation.ParametersAreNonnullByDefault;