added provisioning for Hadoop CDH

hadoop/CDH/defaults/main.yml

@@ -0,0 +1,10 @@
+---
+cdh_manager_install: False
+cdh_manager_repo_url: 'https://archive.cloudera.com/cdh5/ubuntu/trusty/amd64/cdh/cloudera.list'
+
+cdh_use_separate_postgres_db: False
+cdh_postgres_db_name: cdh
+cdh_postgres_db_user: cdh
+cdh_postgres_db_schema: cdh
+cdh_postgresql_version: 9.6
+postgresql_jdbc_driver_version: 42.1.4

hadoop/CDH/tasks/main.yml

@@ -0,0 +1,43 @@
+---
+- block: 
+    - 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 CDH Manager server
+      apt: pkg=cloudera-manager-server state=latest 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
+
+  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
+
+    - 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' ]
+