add role for graphite carbon-cache

4 files changed, 91 insertions, 0 deletions

diff --git a/roles/monitoring/graphite/carbon/defaults/main.yml b/roles/monitoring/graphite/carbon/defaults/main.yml
new file mode 100644
index 00000000..46734aac
--- /dev/null
+++ b/roles/monitoring/graphite/carbon/defaults/main.yml
@@ -0,0 +1,24 @@
+---
+# graphite_carbon_zfs:
+
+graphite_carbon_cache_receivers:
+  line:
+    interface: 127.0.0.1
+    port: 2003
+  pickle:
+    interface: 0.0.0.0
+    port: 0
+
+graphite_carbon_cache:
+  interface: 127.0.0.1
+  port: 7002
+
+graphtie_carbon_storage_schemas:
+  - name: carbon
+    options:
+      pattern: '^carbon\.'
+      retentions: '60:90d'
+  - name: default_1min_for_1day
+    options:
+      pattern: '.*'
+      retentions: '60s:1d'
diff --git a/roles/monitoring/graphite/carbon/handlers/main.yml b/roles/monitoring/graphite/carbon/handlers/main.yml
new file mode 100644
index 00000000..ecbeef5f
--- /dev/null
+++ b/roles/monitoring/graphite/carbon/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: restart carbon-cache
+  service:
+    name: carbon-cache
+    state: restarted
diff --git a/roles/monitoring/graphite/carbon/tasks/main.yml b/roles/monitoring/graphite/carbon/tasks/main.yml
new file mode 100644
index 00000000..52ee20c9
--- /dev/null
+++ b/roles/monitoring/graphite/carbon/tasks/main.yml
@@ -0,0 +1,51 @@
+---
+## TODO: create zfs volume depending on being graphite_carbon_zfs defined
+
+- name: instsall apt packages
+  apt:
+    name: graphite-carbon
+    state: present
+
+- name: configure carbon-cache receiver interfaces
+  loop: "{{ graphite_carbon_cache_receivers | dict2items }}"
+  loop_control:
+    label: "{{ item.key }} = {{ item.value.interface }}"
+  ini_file:
+    path: /etc/carbon/carbon.conf
+    section: cache
+    option: "{{ item.key | upper }}_RECEIVER_INTERFACE"
+    value: "{{ item.value.interface }}"
+  notify: restart carbon-cache
+
+- name: configure carbon-cache receiver ports
+  loop: "{{ graphite_carbon_cache_receivers | dict2items }}"
+  loop_control:
+    label: "{{ item.key }} = {{ item.value.port }}"
+  ini_file:
+    path: /etc/carbon/carbon.conf
+    section: cache
+    option: "{{ item.key | upper }}_RECEIVER_PORT"
+    value: "{{ item.value.port }}"
+  notify: restart carbon-cache
+
+- name: set carbon-cache query interface
+  ini_file:
+    path: /etc/carbon/carbon.conf
+    section: cache
+    option: CACHE_QUERY_INTERFACE
+    value: "{{ graphite_carbon_cache.interface }}"
+  notify: restart carbon-cache
+
+- name: set carbon-cache query port
+  ini_file:
+    path: /etc/carbon/carbon.conf
+    section: cache
+    option: CACHE_QUERY_PORT
+    value: "{{ graphite_carbon_cache.port }}"
+  notify: restart carbon-cache
+
+- name: configure storage schemas
+  template:
+    src: storage-schemas.conf.j2
+    dest: /etc/carbon/storage-schemas.conf
+  notify: restart carbon-cache
diff --git a/roles/monitoring/graphite/carbon/templates/storage-schemas.conf.j2 b/roles/monitoring/graphite/carbon/templates/storage-schemas.conf.j2
new file mode 100644
index 00000000..afa0f5eb
--- /dev/null
+++ b/roles/monitoring/graphite/carbon/templates/storage-schemas.conf.j2
@@ -0,0 +1,11 @@
+# {{ ansible_managed }}
+#
+# Schema definitions for Whisper files. Entries are scanned in order,
+# and first match wins. This file is scanned for changes every 60 seconds.
+{% for schema in  graphtie_carbon_storage_schemas %}
+
+[{{ schema.name }}]
+{%   for name,value in schema.options.items() | sort(attribute='0') %}
+{{ name }} = {{ value }}
+{%   endfor %}
+{% endfor %}