From 5d0065f736e4f549b483fc14acd8fd4db5459270 Mon Sep 17 00:00:00 2001
From: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Date: Tue, 31 Aug 2021 21:22:08 -0400
Subject: [PATCH] [deb/rpm] Generate os package specific kibana.yml (#98213)
 (#110734)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Co-authored-by: Jonathan Budzenski <jon@budzenski.me>
---
 src/dev/build/build_distributables.ts         |  4 ++
 .../create_os_package_kibana_yml.ts           | 50 +++++++++++++++++++
 .../os_packages/create_os_package_tasks.ts    |  9 ++++
 src/dev/build/tasks/os_packages/run_fpm.ts    |  1 +
 .../systemd/etc/systemd/system/kibana.service |  2 +-
 5 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 src/dev/build/tasks/os_packages/create_os_package_kibana_yml.ts

diff --git a/src/dev/build/build_distributables.ts b/src/dev/build/build_distributables.ts
index 9ddf02e101a19..1042cdc484c12 100644
--- a/src/dev/build/build_distributables.ts
+++ b/src/dev/build/build_distributables.ts
@@ -105,6 +105,10 @@ export async function buildDistributables(log: ToolingLog, options: BuildOptions
     // control w/ --skip-archives
     await run(Tasks.CreateArchives);
   }
+
+  if (options.createDebPackage || options.createRpmPackage) {
+    await run(Tasks.CreatePackageConfig);
+  }
   if (options.createDebPackage) {
     // control w/ --deb or --skip-os-packages
     await run(Tasks.CreateDebPackage);
diff --git a/src/dev/build/tasks/os_packages/create_os_package_kibana_yml.ts b/src/dev/build/tasks/os_packages/create_os_package_kibana_yml.ts
new file mode 100644
index 0000000000000..e7137ada02182
--- /dev/null
+++ b/src/dev/build/tasks/os_packages/create_os_package_kibana_yml.ts
@@ -0,0 +1,50 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { readFileSync, writeFileSync } from 'fs';
+import { resolve } from 'path';
+import { Build, Config, mkdirp } from '../../lib';
+
+export async function createOSPackageKibanaYML(config: Config, build: Build) {
+  const configReadPath = config.resolveFromRepo('config', 'kibana.yml');
+  const configWriteDir = config.resolveFromRepo('build', 'os_packages', 'config');
+  const configWritePath = resolve(configWriteDir, 'kibana.yml');
+
+  await mkdirp(configWriteDir);
+
+  let kibanaYML = readFileSync(configReadPath, { encoding: 'utf8' });
+
+  [
+    [/#pid.file:.*/g, 'pid.file: /run/kibana/kibana.pid'],
+    [/#logging.dest:.*/g, 'logging.dest: /var/log/kibana/kibana.log'],
+  ].forEach((options) => {
+    const [regex, setting] = options;
+    const diff = kibanaYML;
+    const match = kibanaYML.search(regex) >= 0;
+    if (match) {
+      if (typeof setting === 'string') {
+        kibanaYML = kibanaYML.replace(regex, setting);
+      }
+    }
+
+    if (!diff.localeCompare(kibanaYML)) {
+      throw new Error(
+        `OS package configuration unmodified.  Verify match for ${regex} is available`
+      );
+    }
+  });
+
+  try {
+    writeFileSync(configWritePath, kibanaYML, { flag: 'wx' });
+  } catch (err) {
+    if (err.code === 'EEXIST') {
+      return;
+    }
+    throw err;
+  }
+}
diff --git a/src/dev/build/tasks/os_packages/create_os_package_tasks.ts b/src/dev/build/tasks/os_packages/create_os_package_tasks.ts
index 99d0e1998e78a..67a9e86ee2073 100644
--- a/src/dev/build/tasks/os_packages/create_os_package_tasks.ts
+++ b/src/dev/build/tasks/os_packages/create_os_package_tasks.ts
@@ -9,6 +9,15 @@
 import { Task } from '../../lib';
 import { runFpm } from './run_fpm';
 import { runDockerGenerator } from './docker_generator';
+import { createOSPackageKibanaYML } from './create_os_package_kibana_yml';
+
+export const CreatePackageConfig: Task = {
+  description: 'Creating OS package kibana.yml',
+
+  async run(config, log, build) {
+    await createOSPackageKibanaYML(config, build);
+  },
+};
 
 export const CreateDebPackage: Task = {
   description: 'Creating deb package',
diff --git a/src/dev/build/tasks/os_packages/run_fpm.ts b/src/dev/build/tasks/os_packages/run_fpm.ts
index aaf8c31b3ce08..b991c6e36d285 100644
--- a/src/dev/build/tasks/os_packages/run_fpm.ts
+++ b/src/dev/build/tasks/os_packages/run_fpm.ts
@@ -125,6 +125,7 @@ export async function runFpm(
     `${resolveWithTrailingSlash(fromBuild('.'))}=/usr/share/kibana/`,
 
     // copy the config directory to /etc/kibana
+    `${config.resolveFromRepo('build/os_packages/config/kibana.yml')}=/etc/kibana/kibana.yml`,
     `${resolveWithTrailingSlash(fromBuild('config'))}=/etc/kibana/`,
 
     // copy the data directory at /var/lib/kibana
diff --git a/src/dev/build/tasks/os_packages/service_templates/systemd/etc/systemd/system/kibana.service b/src/dev/build/tasks/os_packages/service_templates/systemd/etc/systemd/system/kibana.service
index 7a1508d91b213..df33b82f1f967 100644
--- a/src/dev/build/tasks/os_packages/service_templates/systemd/etc/systemd/system/kibana.service
+++ b/src/dev/build/tasks/os_packages/service_templates/systemd/etc/systemd/system/kibana.service
@@ -15,7 +15,7 @@ Environment=KBN_PATH_CONF=/etc/kibana
 EnvironmentFile=-/etc/default/kibana
 EnvironmentFile=-/etc/sysconfig/kibana
 
-ExecStart=/usr/share/kibana/bin/kibana --logging.dest="/var/log/kibana/kibana.log" --pid.file="/run/kibana/kibana.pid"
+ExecStart=/usr/share/kibana/bin/kibana
 
 Restart=on-failure
 RestartSec=3