carbon.sls

include:
  - graphite.common
  - logrotate
  - pip
  - python.dev

/etc/logrotate.d/carbon:
  file:
    - managed
    - template: jinja
    - user: root
    - group: root
    - mode: 440
    - source: salt://carbon/logrotate.jinja2
    - require:
      - pkg: logrotate

/var/log/graphite/carbon:
  file:
    - directory
    - user: graphite
    - group: graphite
    - mode: 770
    - makedirs: True
    - require:
      - user: graphite
      - file: /var/log/graphite

{% if 'file-max' in pillar['graphite'] %}
fs.file-max:
  sysctl:
    - present
    - value: {{ pillar['graphite']['file-max'] }}
{% endif %}

/etc/graphite/storage-schemas.conf:
  file:
    - managed
    - template: jinja
    - user: graphite
    - group: graphite
    - mode: 440
    - source: salt://carbon/storage.jinja2
    - require:
      - user: graphite
      - file: /etc/graphite

stop_old_instance:
  service:
    - name: carbon-a
    - dead
    - enable: False
  file:
    - name: /etc/init.d/carbon-a
    - absent
    - require:
      - service: stop_old_instance
  cmd:
    - run
    - name: mv /var/lib/graphite/whisper/ /var/lib/graphite/old
    - onlyif: test -d /var/lib/graphite/whisper/carbon
    - user: graphite
    - group: graphite
    - require:
      - file: stop_old_instance
    - require_in:
      - file: /var/lib/graphite/whisper

move_old_data_to_first_instance:
  cmd:
    - run
    - name: mv /var/lib/graphite/old /var/lib/graphite/whisper/0
    - onlyif: test -d /var/lib/graphite/old
    - require:
      - file: /var/lib/graphite/whisper/0
      - cmd: stop_old_instance
    - require_in:
      - file: carbon

carbon:
  file:
    - managed
    - name: /usr/local/graphite/salt-carbon-requirements.txt
    - template: jinja
    - user: root
    - group: root
    - mode: 440
    - source: salt://carbon/requirements.jinja2
    - require:
      - virtualenv: graphite
  module:
    - wait
    - name: pip.install
    - upgrade: True
    - bin_env: /usr/local/graphite/bin/pip
    - requirements: /usr/local/graphite/salt-carbon-requirements.txt
    - install_options:
      - "--prefix=/usr/local/graphite"
      - "--install-lib=/usr/local/graphite/lib/python{{ grains['pythonversion'][0] }}.{{ grains['pythonversion'][1] }}/site-packages"
    - watch:
      - file: carbon
      - pkg: python-dev
  cmd:
    - wait
    - name: find /usr/local/graphite -name '*.pyc' -delete
    - stateful: False
    - watch:
      - module: carbon

/etc/graphite/carbon.conf:
  file:
    - managed
    - template: jinja
    - user: root
    - group: root
    - mode: 440
    - source: salt://carbon/config.jinja2
    - require:
      - file: /etc/graphite

{%- set instances_count = pillar['graphite']['carbon']['instances'] %}

{% for instance in range(instances_count) %}
carbon-cache-{{ instance }}:
  file:
    - managed
    - name: /etc/init.d/carbon-cache-{{ instance }}
    - template: jinja
    - user: root
    - group: root
    - mode: 550
    - source: salt://carbon/init.jinja2
    - context:
      instance: {{ instance }}
  service:
    - running
    - enable: True
    - order: 50
{# until https://github.com/saltstack/salt/issues/5027 is fixed, this is required #}
    - sig: /usr/local/graphite/bin/python /usr/local/graphite/bin/carbon-cache.py --config=/etc/graphite/carbon.conf --instance={{ instance }} start
    - name: carbon-cache-{{ instance }}
    - require:
      - user: graphite
      - file: /var/log/graphite/carbon
      - file: /var/lib/graphite/whisper/{{ instance }}
    - watch:
      - module: carbon
      - cmd: carbon
      - file: /etc/graphite/carbon.conf
      - file: /etc/graphite/storage-schemas.conf
      - file: carbon-cache-{{ instance }}
      - cmd: carbon
{% endfor %}

{% set prefix = '/etc/init.d/' %}
{% for filename in salt['file.find'](prefix, name='carbon-cache-*', type='f') %}
  {% set instance = filename.replace(prefix + 'carbon-cache-', '') %}
  # get not_in_use_instance
  {%- if instance|int >= instances_count|int %}
remove_not_in_use_instance_{{ instance }}:
  service:
    - dead
    - name: carbon-cache-{{ instance }}
  file:
    - absent
    - name: {{ prefix }}carbon-cache-{{ instance }}
    - require:
      - service: remove_not_in_use_instance_{{ instance }}

/var/log/graphite/carbon/carbon-cache-{{ instance }}:
  file:
    - absent
    - require:
      - service: remove_not_in_use_instance_{{ instance }}

/var/lib/graphite/whisper/{{ instance }}:
  file:
    - absent
    - require:
      - service: remove_not_in_use_instance_{{ instance }}
  {%- endif %}
{% endfor %}

carbon-relay:
  file:
    - managed
    - name: /etc/init.d/carbon-relay
    - template: jinja
    - user: root
    - group: root
    - mode: 550
    - source: salt://carbon/init.jinja2
  service:
    - running
    - enable: True
    - order: 50
{# until https://github.com/saltstack/salt/issues/5027 is fixed, this is required #}
    - sig: /usr/local/graphite/bin/python /usr/local/graphite/bin/carbon-relay.py --config=/etc/graphite/carbon.conf start
    - name: carbon-relay
    - require:
      - user: graphite
      - file: /var/log/graphite/carbon
      - file: /var/lib/graphite
    - watch:
      - module: carbon
      - cmd: carbon
      - file: /etc/graphite/carbon.conf
      - file: /etc/graphite/storage-schemas.conf
      - file: carbon-relay
      - file: /etc/graphite/relay-rules.conf
      - cmd: carbon

/etc/graphite/relay-rules.conf:
  file:
    - managed
    - source: salt://carbon/relay-rules.jinja2
    - template: jinja
    - user: graphite
    - group: graphite
    - mode: 440
    - require:
      - user: graphite
      - file: /etc/graphite

{%- if 'whitelist' in salt['pillar.get']('graphite:carbon', False) %}
/etc/graphite/whitelist.conf:
  file:
    - managed
    - user: graphite
    - group: graphite
    - mode: 440
    - contents: |
    {%- for rule in pillar['graphite']['carbon']['whitelist'] %}
        {{ rule }}
    {%- endfor %}
    - require:
      - user: graphite
      - file: /etc/graphite
      - file: /var/lib/graphite/lists
    - watch_in:
    {%- for instance in range(instances_count) %}
      - service: carbon-cache-{{ instance }}
    {%- endfor -%}

/var/lib/graphite/lists:
  file:
    - directory
    - user: graphite
    - group: graphite
    - mode: 550
    - require:
      - file: /var/lib/graphite
{%- endif %}