Fix the hadoop/CDH role.

hadoop-CDH playbook: set the correct variables, add some needed tasks.

hadoop/CDH/defaults/main.yml

@@ -1,10 +1,15 @@
 ---
 cdh_manager_install: False
+cdh_version: 5.9.3
+#cdh_manager_repo: 'deb https://archive.cloudera.com/cm5/ubuntu/trusty/amd64/cm/dists/trusty-cm{{ cdh_version }}/'
+cdh_packages_repo: 'deb [arch=amd64] http://archive.cloudera.com/cm5/ubuntu/trusty/amd64/cm trusty-cm5 contrib'
 cdh_manager_repo_url: 'https://archive.cloudera.com/cdh5/ubuntu/trusty/amd64/cdh/cloudera.list'
+#cdh_manager_download_url: 'http://archive.cloudera.com/cm5/installer/5.9.3/cloudera-manager-installer.bin'
 
-cdh_use_separate_postgres_db: False
+cdh_use_separate_postgres_db: True
+cdh_postgres_db_host: localhost
 cdh_postgres_db_name: cdh
 cdh_postgres_db_user: cdh
 cdh_postgres_db_schema: cdh
-cdh_postgresql_version: 9.6
+cdh_postgresql_version: 9.4
 postgresql_jdbc_driver_version: 42.1.4

hadoop/CDH/tasks/main.yml

@@ -3,40 +3,31 @@
     - name: apt key for the Cloudera Manager repository
       apt_key: url=https://archive.cloudera.com/cm5/ubuntu/trusty/amd64/cm/archive.key state=present
 
-    - name: Install the Cloudera Manager repository
-      get_url: url={{ cdh_manager_repo_url }} dest=/etc/apt/sources.list.d/cloudera.list
-      register: cdh_repo
-
-    - name: Update the apt cache
-      apt: update_cache=yes
-      when: ( cdh_repo | changed )
+    - name: Install the Cloudera CDH packages repository
+      apt_repository: repo='{{ cdh_packages_repo }}' update_cache=yes
 
     - name: Install the CDH Manager server
-      apt: pkg=cloudera-manager-server state=latest update_cache=yes cache_valid_time=1800
+      apt: pkg=cloudera-manager-server state=present update_cache=yes cache_valid_time=1800
 
     - name: Install the CDH Manager daemons
-      apt: pkg=cloudera-manager-daemons state=latest update_cache=yes cache_valid_time=1800
+      apt: pkg=cloudera-manager-daemons state=present update_cache=yes cache_valid_time=1800
+
+    - name: Install the Cloudera Manager DB configuration
+      template: src=db.properties.j2 dest=/etc/cloudera-scm-server/db.properties mode=0640 owner=cloudera-scm group=cloudera-scm
+      tags: [ 'cdh', 'hadoop', 'cdh_m_conf' ]
+
+    - name: Ensure that the cloudera manager daemon is running and enabled
+      service: name=cloudera-scm-server state=started enabled=yes
 
   when: cdh_manager_install
   tags: [ 'cdh', 'hadoop' ]
 
 - block:
-
-    - name: Get the signing key for the postgresql.org repository
-      apt_key: url=https://www.postgresql.org/media/keys/ACCC4CF8.asc state=present
-      when: cdh_use_separate_postgres_db
-
-    - name: Setup the postgresql.org repository
-      apt_repository: repo='deb http://apt.postgresql.org/pub/repos/apt/ {{ ansible_lsb.codename }}-pgdg main' update_cache=yes
-      when: cdh_use_separate_postgres_db
-
     - name: Install the Postgresql client
-      apt: pkg=postgresql-client-{{ cdh_postgresql_version }} state=latest update_cache=yes cache_valid_time=1800
-      when: cdh_use_separate_postgres_db
+      apt: pkg=postgresql-client state=latest update_cache=yes cache_valid_time=1800
 
     - name: Download the jdbc driver
       get_url: url=https://jdbc.postgresql.org/download/postgresql-{{ postgresql_jdbc_driver_version }}.jar dest=/srv/postgresql.jar
-      when: cdh_use_separate_postgres_db
 
   when: cdh_manager_install
   tags: [ 'cdh', 'hadoop', 'cdh_manager', 'cdh_pg' ]

hadoop/CDH/templates/db.properties.j2

@@ -0,0 +1,27 @@
+# Copyright (c) 2012 Cloudera, Inc. All rights reserved.
+#
+# This file describes the database connection.
+#
+
+# The database type
+# Currently 'mysql', 'postgresql' and 'oracle' are valid databases.
+com.cloudera.cmf.db.type=postgresql
+
+# The database host
+# If a non standard port is needed, use 'hostname:port'
+com.cloudera.cmf.db.host={{ cdh_postgres_db_host }}
+
+# The database name
+com.cloudera.cmf.db.name={{ cdh_postgres_db_name }}
+
+# The database user
+com.cloudera.cmf.db.user={{ cdh_postgres_db_user }}
+
+# The database user's password
+com.cloudera.cmf.db.password={{ cdh_postgres_db_pwd }}
+
+# The db setup type
+# By default, it is set to INIT
+# If scm-server uses Embedded DB then it is set to EMBEDDED
+# If scm-server uses External DB then it is set to EXTERNAL
+com.cloudera.cmf.db.setupType=EXTERNAL