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formula-grafana/_states/grafana3_datasource.py
2016-11-02 15:48:12 +01:00

271 lines
7.3 KiB
Python

# -*- coding: utf-8 -*-
'''
Manage Grafana v3.0 data sources
.. versionadded:: 2016.3.0
Token auth setup
.. code-block:: yaml
grafana:
grafana_version: 3
grafana_timeout: 5
grafana_token: qwertyuiop
grafana_url: 'https://url.com'
Basic auth setup
.. code-block:: yaml
grafana:
grafana_version: 3
grafana_timeout: 5
grafana_user: grafana
grafana_password: qwertyuiop
grafana_url: 'https://url.com'
.. code-block:: yaml
Ensure influxdb data source is present:
grafana_datasource.present:
- name: influxdb
- type: influxdb
- url: http://localhost:8086
- access: proxy
- basic_auth: true
- basic_auth_user: myuser
- basic_auth_password: mypass
- is_default: true
'''
from __future__ import absolute_import
import requests
from salt.ext.six import string_types
def __virtual__():
'''Only load if grafana v3.0 is configured.'''
return __salt__['config.get']('grafana_version', 1) == 3
def present(name,
type,
url,
access='proxy',
user='',
password='',
database='',
basic_auth=False,
basic_auth_user='',
basic_auth_password='',
is_default=False,
type_logo_url='public/app/plugins/datasource/graphite/img/graphite_logo.png',
with_credentials=False,
json_data=None,
profile='grafana'):
'''
Ensure that a data source is present.
name
Name of the data source.
type
Which type of data source it is ('graphite', 'influxdb' etc.).
url
The URL to the data source API.
user
Optional - user to authenticate with the data source
password
Optional - password to authenticate with the data source
basic_auth
Optional - set to True to use HTTP basic auth to authenticate with the
data source.
basic_auth_user
Optional - HTTP basic auth username.
basic_auth_password
Optional - HTTP basic auth password.
is_default
Default: False
'''
if isinstance(profile, string_types):
profile = __salt__['config.option'](profile)
ret = {'name': name, 'result': None, 'comment': None, 'changes': None}
datasource = _get_datasource(profile, name)
data = _get_json_data(name, type, url, access, user, password, database,
basic_auth, basic_auth_user, basic_auth_password, is_default, json_data)
if datasource:
if profile.get('grafana_token', False):
requests.put(
_get_url(profile, datasource['id']),
data,
headers=_get_headers(profile),
timeout=profile.get('grafana_timeout', 3),
)
else:
requests.put(
_get_url(profile, datasource['id']),
data,
auth=_get_auth(profile),
timeout=profile.get('grafana_timeout', 3),
)
ret['result'] = True
ret['changes'] = _diff(datasource, data)
if ret['changes']['new'] or ret['changes']['old']:
ret['comment'] = 'Data source {0} updated'.format(name)
else:
ret['changes'] = None
ret['comment'] = 'Data source {0} already up-to-date'.format(name)
else:
if profile.get('grafana_token', False):
requests.post(
'{0}/api/datasources'.format(profile['grafana_url']),
data,
headers=_get_headers(profile),
timeout=profile.get('grafana_timeout', 3),
)
else:
requests.post(
'{0}/api/datasources'.format(profile['grafana_url']),
data,
auth=_get_auth(profile),
timeout=profile.get('grafana_timeout', 3),
)
ret['result'] = True
ret['comment'] = 'New data source {0} added'.format(name)
ret['changes'] = data
return ret
def absent(name, profile='grafana'):
'''
Ensure that a data source is present.
name
Name of the data source to remove.
'''
if isinstance(profile, string_types):
profile = __salt__['config.option'](profile)
ret = {'result': None, 'comment': None, 'changes': None}
datasource = _get_datasource(profile, name)
if not datasource:
ret['result'] = True
ret['comment'] = 'Data source {0} already absent'.format(name)
return ret
if profile.get('grafana_token', False):
requests.delete(
_get_url(profile, datasource['id']),
headers=_get_headers(profile),
timeout=profile.get('grafana_timeout', 3),
)
else:
requests.delete(
_get_url(profile, datasource['id']),
auth=_get_auth(profile),
timeout=profile.get('grafana_timeout', 3),
)
ret['result'] = True
ret['comment'] = 'Data source {0} was deleted'.format(name)
return ret
def _get_url(profile, datasource_id):
return '{0}/api/datasources/{1}'.format(
profile['grafana_url'],
datasource_id
)
def _get_datasource(profile, name):
if profile.get('grafana_token', False):
response = requests.get(
'{0}/api/datasources'.format(profile['grafana_url']),
headers=_get_headers(profile),
timeout=profile.get('grafana_timeout', 3),
)
else:
response = requests.get(
'{0}/api/datasources'.format(profile['grafana_url']),
auth=_get_auth(profile),
timeout=profile.get('grafana_timeout', 3),
)
data = response.json()
for datasource in data:
if datasource['name'] == name:
return datasource
return None
def _get_headers(profile):
return {
'Accept': 'application/json',
'Authorization': 'Bearer {0}'.format(profile['grafana_token'])
}
def _get_auth(profile):
return requests.auth.HTTPBasicAuth(
profile['grafana_user'],
profile['grafana_password']
)
def _get_json_data(name,
type,
url,
access='proxy',
user='',
password='',
database='',
basic_auth=False,
basic_auth_user='',
basic_auth_password='',
is_default=False,
type_logo_url='public/app/plugins/datasource/graphite/img/graphite_logo.png',
with_credentials=False,
json_data=None):
return {
'name': name,
'type': type,
'url': url,
'access': access,
'user': user,
'password': password,
'database': database,
'basicAuth': basic_auth,
'basicAuthUser': basic_auth_user,
'basicAuthPassword': basic_auth_password,
'isDefault': is_default,
'typeLogoUrl': type_logo_url,
'withCredentials': with_credentials,
'jsonData': json_data,
}
def _diff(old, new):
old_keys = old.keys()
old = old.copy()
new = new.copy()
for key in old_keys:
if key == 'id' or key == 'orgId':
del old[key]
elif old[key] == new[key]:
del old[key]
del new[key]
return {'old': old, 'new': new}