bundlewrap/bundles/grafana/items.py
Franziska Kunsmann c976be62d7
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bundles/grafana: only refresh managed dashboards every minute
After all, we're only getting data every minute, so there's no point
in refreshing more often.
2021-05-02 19:57:32 +02:00

130 lines
3.6 KiB
Python

from itertools import count
from os import listdir
from os.path import isdir, isfile, join
from pathlib import Path
from uuid import UUID
from bundlewrap.metadata import metadata_to_json
for row in Path(join(repo.path, 'bundles', 'grafana', 'dashboard-rows')).rglob("*.py"):
with open(row, 'r') as f:
exec(f.read())
directories = {
'/etc/grafana/provisioning/dashboards': {
'purge': True,
},
'/etc/grafana/provisioning/datasources': {
'purge': True,
},
'/etc/grafana/provisioning/notifiers': {
'purge': True,
},
'/etc/grafana/provisioning/plugins': {
'purge': True,
},
'/var/lib/grafana/dashboards': {
'purge': True,
'triggers': {
'svc_systemd:grafana-server:restart',
},
},
}
files = {
'/etc/grafana/grafana.ini': {
'content_type': 'mako',
'context': node.metadata['grafana'],
'owner': 'grafana',
'mode': '0640',
'triggers': {
'svc_systemd:grafana-server:restart',
},
},
'/etc/grafana/provisioning/dashboards/bundlewrap.yaml': {
'source': 'dashboards.yaml',
'owner': 'grafana',
'mode': '0640',
'triggers': {
'svc_systemd:grafana-server:restart',
},
},
}
svc_systemd = {
'grafana-server': {
'needs': {
'file:/etc/grafana/grafana.ini',
'pkg_apt:grafana',
},
},
}
### dashboard management starts here
for rnode in repo.nodes:
if not rnode.has_bundle('telegraf'):
continue
panel_id = count(start=1)
dashboard = {
'title': rnode.name,
'uid': UUID(int=rnode.magic_number).hex[:10],
'editable': False,
'graphTooltip': 1,
'refresh': '1m',
'schemaVersion': 12,
'style': 'dark',
'tags': {'bw'},
'time': {
'from': 'now-1d',
'to': 'now'
},
'version': 1,
'rows': [
dashboard_row_cpu(panel_id, rnode),
dashboard_row_ip_traffic(panel_id, rnode),
dashboard_row_memory(panel_id, rnode),
dashboard_row_disk_space(panel_id, rnode),
dashboard_row_disk_iops(panel_id, rnode),
],
}
if rnode.has_bundle('nginx'):
dashboard['rows'].append(dashboard_row_nginx(panel_id, rnode))
dashboard['tags'].add('nginx')
if rnode.has_bundle('postfix'):
dashboard['rows'].append(dashboard_row_postfix(panel_id, rnode))
dashboard['tags'].add('postfix')
if rnode.has_bundle('postgresql'):
dashboard['rows'].append(dashboard_row_postgresql(panel_id, rnode))
dashboard['tags'].add('postgresql')
if rnode.has_bundle('wireguard'):
dashboard['rows'].append(dashboard_row_wireguard(panel_id, rnode))
dashboard['tags'].add('wireguard')
files[f'/var/lib/grafana/dashboards/{rnode.name}.json'] = {
# use metadata_to_json, because this supports sets
'content': metadata_to_json(dashboard),
'triggers': {
'svc_systemd:grafana-server:restart',
},
}
additional_path = join(repo.path, 'data', 'grafana', 'files', node.name, 'dashboards')
if isdir(additional_path):
for file in listdir(additional_path):
if not isfile(join(additional_path, file)) or file.startswith('.') or file.startswith('_'):
continue
files[f'/var/lib/grafana/dashboards/{file}'] = {
'source': join(node.name, 'dashboards', file),
'triggers': {
'svc_systemd:grafana-server:restart',
},
}