CroneKorkN
186d5039af
- pin bundlewrap ~=5.0 - rewrite non-reading and KeyError-driven metadata reactors per https://docs.bundlewrap.org/guide/migrate_45/ (defaults / metadata.get paths / MetadataUnavailable) - rename custom Download item methods (cdict/sdict/get_auto_deps -> expected_state/actual_state/get_auto_attrs) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
106 lines
2.6 KiB
Python
106 lines
2.6 KiB
Python
import builtins
|
|
|
|
|
|
root_password = repo.vault.password_for(f'{node.name} postgresql root')
|
|
|
|
defaults = {
|
|
'apt': {
|
|
'packages': {
|
|
'postgresql': {
|
|
'needs': {
|
|
'zfs_dataset:tank/postgresql',
|
|
},
|
|
},
|
|
},
|
|
},
|
|
'backup': {
|
|
'paths': {
|
|
'/var/lib/postgresql',
|
|
},
|
|
},
|
|
'postgresql': {
|
|
'conf': {},
|
|
'roles': {
|
|
'root': {
|
|
'password': root_password,
|
|
'superuser': True,
|
|
},
|
|
},
|
|
'databases': {},
|
|
},
|
|
'grafana_rows': set(),
|
|
}
|
|
|
|
if node.has_bundle('zfs'):
|
|
defaults['zfs'] = {
|
|
'datasets': {
|
|
'tank/postgresql': {
|
|
'mountpoint': '/var/lib/postgresql',
|
|
'recordsize': '8192',
|
|
'atime': 'off',
|
|
},
|
|
},
|
|
}
|
|
|
|
|
|
@metadata_reactor.provides(
|
|
'postgresql/conf',
|
|
)
|
|
def conf(metadata):
|
|
conf = {}
|
|
|
|
def limit(value, min=float('-inf'), max=float('inf'), unit=None):
|
|
result = int(builtins.max([builtins.min([max, value]), min]))
|
|
return str(result) + unit if unit else result
|
|
|
|
ram = metadata.get('vm/ram', None)
|
|
if ram:
|
|
conf['max_connections'] = limit(ram/50, min=100)
|
|
conf['shared_buffers'] = limit(ram/20, min=128, unit='MB')
|
|
conf['work_mem'] = limit(ram/500, min=4, max=64, unit='MB')
|
|
conf['temp_buffers'] = limit(ram/500, min=8, max=64, unit='MB')
|
|
conf['effective_cache_size'] = limit(ram/3, min=4096, unit='MB')
|
|
conf['maintenance_work_mem'] = limit(ram/50, min=64, unit='MB')
|
|
|
|
return {
|
|
'postgresql': {
|
|
'conf': conf,
|
|
},
|
|
}
|
|
|
|
|
|
@metadata_reactor.provides(
|
|
'apt/config/APT/NeverAutoRemove',
|
|
)
|
|
def apt(metadata):
|
|
return {
|
|
'apt': {
|
|
'config': {
|
|
'APT': {
|
|
'NeverAutoRemove': {
|
|
# https://github.com/credativ/postgresql-common/blob/master/pg_updateaptconfig#L17-L21
|
|
f"^postgresql.*-{metadata.get('postgresql/version')}",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
|
|
|
|
@metadata_reactor.provides(
|
|
'telegraf/inputs/postgresql/default',
|
|
)
|
|
def telegraf(metadata):
|
|
return {
|
|
'telegraf': {
|
|
'inputs': {
|
|
'postgresql': {
|
|
'default': {
|
|
'address': f'postgres://root:{root_password}@localhost:5432/postgres',
|
|
'databases': sorted(list(node.metadata.get('postgresql/databases').keys())),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|