Merge pull request #3047 from edx/derf/Splunk_server_role

Splunk server role

playbooks/roles/splunk-server/defaults/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Defaults for role splunk-server
+# 
+
+#
+# vars are namespaced with the module name.
+#
+splunk-server_role_name: splunk-server
+
+splunk_user: "splunk"
+splunk_root: "/vol/splunk/storage"
+
+splunk_hot_dir: "{{ splunk_root }}/hot"
+splunk_thawed_dir: "{{ splunk_root }}/thawed"
+splunk_cold_dir: "{{ splunk_root }}/cold"
+splunk_frozen_dir: "{{ splunk_root }}/frozen" 
+
+SPLUNK_INDEXES: 
+  - "default"
+
+SPLUNK_VOLUMES: []
+
+#
+# OS packages
+#
+
+splunk-server_debian_pkgs: []
+
+splunk-server_redhat_pkgs: []

playbooks/roles/splunk-server/meta/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Role includes for role splunk-server
+dependencies:
+  - role: user
+    user_info: "{{ COMMON_USER_INFO }}"
+  - role: mount_ebs
+    volumes: "{{ SPLUNK_VOLUMES }}"

playbooks/roles/splunk-server/tasks/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role splunk-server
+# 
+# Overview:
+# 
+#
+# Dependencies:
+#
+# 
+# Example play:
+#
+#
+
+
+- name: Create bucket directories
+  file:
+    path: "{{ item }}"
+    state: directory
+    owner: "{{ splunk_user  }}"
+    group: "{{ splunk_user }}"
+  with_items:
+    - "{{ splunk_hot_dir }}"
+    - "{{ splunk_thawed_dir }}"
+    - "{{ splunk_cold_dir }}"
+    - "{{ splunk_frozen_dir }}"
+  tags:
+    - "install"
+    - "install:configuration"
+
+- name: Create configuration directory
+  file:
+    path: "{{ item }}"
+    state: directory
+    owner: "{{ splunk_user  }}"
+    group: "{{ splunk_user }}"
+  with_items:
+    - "/opt/splunk/etc/apps/search/local"
+  tags:
+    - "install"
+    - "install:configuration"
+
+- name: configure splunk buckets
+  template:
+    src: "opt/splunk/etc/apps/search/local/indexes.conf"
+    dest: "/opt/splunk/etc/apps/search/local/indexes.conf"
+    owner: "{{ splunk_user }}"
+    group: "{{ splunk_user }}"
+    mode: 0700
+  tags:
+    - "install"
+    - "install:configuration"
+
+- name: restart splunk
+  service: 
+    name: splunk
+    state: restarted 
+  tags:
+    - "install"
+    - "install:configuration"
+    - "restart"
+

playbooks/roles/splunk-server/templates/opt/splunk/etc/apps/search/local/indexes.conf

+{% for name in SPLUNK_INDEXES -%}
+[{{ name }}]
+coldPath = {{ splunk_cold_dir }}/{{ name }}/colddb
+homePath = {{ splunk_hot_dir }}/{{ name }}/db
+thawedPath = {{ splunk_thawed_dir }}/{{ name }}/thaweddb
+coldToFrozenDir = {{ splunk_frozen_dir }}/{{ name }}/frozendb
+
+{%- endfor %}