add postgresql metrics to telegraf/grafana
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Franzi 2021-05-02 13:09:01 +02:00
parent 1bc47fa231
commit 3b1d1f7e94
Signed by: kunsi
GPG key ID: 12E3D2136B818350
3 changed files with 617 additions and 0 deletions

View file

@ -0,0 +1,586 @@
def dashboard_row_postgresql(panel_id, node):
queries_transactions = []
queries_rows = []
queries_conflicts = []
queries_blocks = []
queries_buffers = []
for measurement in [
'commit',
'rollback',
]:
queries_transactions.append({
'groupBy': [
{'type': 'time', 'params': ['$__interval']},
{'type': 'fill', 'params': ['linear']},
],
'orderByTime': "ASC",
'policy': "default",
'query': f"""from(bucket: "telegraf")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) =>
r["_measurement"] == "postgresql" and
r["_field"] == "xact_{measurement}" and
r["host"] == "{node.name}"
)
|> derivative(unit: 1s)
|> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
|> yield(name: "{measurement}")""",
'resultFormat': 'time_series',
'select': [[
{'type': 'field', 'params': ['value']},
{'type': 'mean', 'params': []},
]],
"tags": []
})
for measurement in [
'deleted',
'fetched',
'inserted',
'returned',
'updated',
]:
queries_rows.append({
'groupBy': [
{'type': 'time', 'params': ['$__interval']},
{'type': 'fill', 'params': ['linear']},
],
'orderByTime': "ASC",
'policy': "default",
'query': f"""from(bucket: "telegraf")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) =>
r["_measurement"] == "postgresql" and
r["_field"] == "tup_{measurement}" and
r["host"] == "{node.name}"
)
|> derivative(unit: 1s)
|> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
|> yield(name: "{measurement}")""",
'resultFormat': 'time_series',
'select': [[
{'type': 'field', 'params': ['value']},
{'type': 'mean', 'params': []},
]],
"tags": []
})
for measurement in [
'conflicts',
'deadlocks',
]:
queries_conflicts.append({
'groupBy': [
{'type': 'time', 'params': ['$__interval']},
{'type': 'fill', 'params': ['linear']},
],
'orderByTime': "ASC",
'policy': "default",
'query': f"""from(bucket: "telegraf")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) =>
r["_measurement"] == "postgresql" and
r["_field"] == "{measurement}" and
r["host"] == "{node.name}"
)
|> derivative(unit: 1s)
|> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
|> yield(name: "{measurement}")""",
'resultFormat': 'time_series',
'select': [[
{'type': 'field', 'params': ['value']},
{'type': 'mean', 'params': []},
]],
"tags": []
})
for measurement in [
'read',
'hit',
]:
queries_blocks.append({
'groupBy': [
{'type': 'time', 'params': ['$__interval']},
{'type': 'fill', 'params': ['linear']},
],
'orderByTime': "ASC",
'policy': "default",
'query': f"""from(bucket: "telegraf")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) =>
r["_measurement"] == "postgresql" and
r["_field"] == "blks_{measurement}" and
r["host"] == "{node.name}"
)
|> derivative(unit: 1s)
|> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
|> yield(name: "{measurement}")""",
'resultFormat': 'time_series',
'select': [[
{'type': 'field', 'params': ['value']},
{'type': 'mean', 'params': []},
]],
"tags": []
})
for measurement in [
'alloc',
'backend',
'backend_fsync',
'checkpoint',
'clean'
]:
queries_buffers.append({
'groupBy': [
{'type': 'time', 'params': ['$__interval']},
{'type': 'fill', 'params': ['linear']},
],
'orderByTime': "ASC",
'policy': "default",
'query': f"""from(bucket: "telegraf")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) =>
r["_measurement"] == "postgresql" and
r["_field"] == "buffers_{measurement}" and
r["host"] == "{node.name}"
)
|> derivative(unit: 1s)
|> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
|> yield(name: "{measurement}")""",
'resultFormat': 'time_series',
'select': [[
{'type': 'field', 'params': ['value']},
{'type': 'mean', 'params': []},
]],
"tags": []
})
return {
'title': 'postgresql',
'collapse': False,
'editable': False,
'height': '250px',
'panels': [
{
'aliasColors': {},
'bars': False,
'dashLength': 10,
'dashes': False,
'datasource': None,
'fieldConfig': {
'defaults': {
'displayName': '${__field.name} ${__field.labels.db}'
},
'overrides': []
},
'fill': 1,
'fillGradient': 0,
'hiddenSeries': False,
'id': next(panel_id),
'legend': {
'alignAsTable': False,
'avg': False,
'current': False,
'max': False,
'min': False,
'rightSide': False,
'show': True,
'total': False,
'values': False
},
'lines': True,
'linewidth': 1,
'NonePointMode': 'None',
'options': {
'alertThreshold': True
},
'percentage': False,
'pluginVersion': '7.5.5',
'pointradius': 2,
'points': False,
'renderer': 'flot',
'seriesOverrides': [],
'spaceLength': 10,
'span': 6,
'stack': True,
'steppedLine': False,
'targets': queries_transactions,
'thresholds': [],
'timeRegions': [],
'title': 'postgresql transactions per second',
'tooltip': {
'shared': True,
'sort': 0,
'value_type': 'individual'
},
'type': 'graph',
'xaxis': {
'buckets': None,
'mode': 'time',
'name': None,
'show': True,
'values': []
},
'yaxes': [
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': 0,
'show': True,
'decimals': 0,
},
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': None,
'show': False,
}
],
'yaxis': {
'align': False,
'alignLevel': None
}
},
{
'aliasColors': {},
'bars': False,
'dashLength': 10,
'dashes': False,
'datasource': None,
'fieldConfig': {
'defaults': {
'displayName': '${__field.name} ${__field.labels.db}'
},
'overrides': []
},
'fill': 1,
'fillGradient': 0,
'hiddenSeries': False,
'id': next(panel_id),
'legend': {
'alignAsTable': False,
'avg': False,
'current': False,
'max': False,
'min': False,
'rightSide': False,
'show': True,
'total': False,
'values': False
},
'lines': True,
'linewidth': 1,
'NonePointMode': 'None',
'options': {
'alertThreshold': True
},
'percentage': False,
'pluginVersion': '7.5.5',
'pointradius': 2,
'points': False,
'renderer': 'flot',
'seriesOverrides': [],
'spaceLength': 10,
'span': 6,
'stack': True,
'steppedLine': False,
'targets': queries_rows,
'thresholds': [],
'timeRegions': [],
'title': 'postgresql rows per second',
'tooltip': {
'shared': True,
'sort': 0,
'value_type': 'individual'
},
'type': 'graph',
'xaxis': {
'buckets': None,
'mode': 'time',
'name': None,
'show': True,
'values': []
},
'yaxes': [
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': 0,
'show': True,
'decimals': 0,
},
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': None,
'show': False,
}
],
'yaxis': {
'align': False,
'alignLevel': None
}
},
{
'aliasColors': {},
'bars': False,
'dashLength': 10,
'dashes': False,
'datasource': None,
'fieldConfig': {
'defaults': {
'displayName': '${__field.name} ${__field.labels.db}'
},
'overrides': []
},
'fill': 1,
'fillGradient': 0,
'hiddenSeries': False,
'id': next(panel_id),
'legend': {
'alignAsTable': False,
'avg': False,
'current': False,
'max': False,
'min': False,
'rightSide': False,
'show': True,
'total': False,
'values': False
},
'lines': True,
'linewidth': 1,
'NonePointMode': 'None',
'options': {
'alertThreshold': True
},
'percentage': False,
'pluginVersion': '7.5.5',
'pointradius': 2,
'points': False,
'renderer': 'flot',
'seriesOverrides': [],
'spaceLength': 10,
'span': 4,
'stack': True,
'steppedLine': False,
'targets': queries_conflicts,
'thresholds': [],
'timeRegions': [],
'title': 'postgresql conflicts/deadlocks',
'tooltip': {
'shared': True,
'sort': 0,
'value_type': 'individual'
},
'type': 'graph',
'xaxis': {
'buckets': None,
'mode': 'time',
'name': None,
'show': True,
'values': []
},
'yaxes': [
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': 0,
'show': True,
'decimals': 0,
},
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': None,
'show': False,
}
],
'yaxis': {
'align': False,
'alignLevel': None
}
},
{
'aliasColors': {},
'bars': False,
'dashLength': 10,
'dashes': False,
'datasource': None,
'fieldConfig': {
'defaults': {
'displayName': '${__field.name} ${__field.labels.db}'
},
'overrides': []
},
'fill': 1,
'fillGradient': 0,
'hiddenSeries': False,
'id': next(panel_id),
'legend': {
'alignAsTable': False,
'avg': False,
'current': False,
'max': False,
'min': False,
'rightSide': False,
'show': True,
'total': False,
'values': False
},
'lines': True,
'linewidth': 1,
'NonePointMode': 'None',
'options': {
'alertThreshold': True
},
'percentage': False,
'pluginVersion': '7.5.5',
'pointradius': 2,
'points': False,
'renderer': 'flot',
'seriesOverrides': [],
'spaceLength': 10,
'span': 4,
'stack': True,
'steppedLine': False,
'targets': queries_blocks,
'thresholds': [],
'timeRegions': [],
'title': 'postgresql blocks read per second',
'tooltip': {
'shared': True,
'sort': 0,
'value_type': 'individual'
},
'type': 'graph',
'xaxis': {
'buckets': None,
'mode': 'time',
'name': None,
'show': True,
'values': []
},
'yaxes': [
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': 0,
'show': True,
'decimals': 0,
},
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': None,
'show': False,
}
],
'yaxis': {
'align': False,
'alignLevel': None
}
},
{
'aliasColors': {},
'bars': False,
'dashLength': 10,
'dashes': False,
'datasource': None,
'fieldConfig': {
'defaults': {
'displayName': '${__field.name}'
},
'overrides': []
},
'fill': 1,
'fillGradient': 0,
'hiddenSeries': False,
'id': next(panel_id),
'legend': {
'alignAsTable': False,
'avg': False,
'current': False,
'max': False,
'min': False,
'rightSide': False,
'show': True,
'total': False,
'values': False
},
'lines': True,
'linewidth': 1,
'NonePointMode': 'None',
'options': {
'alertThreshold': True
},
'percentage': False,
'pluginVersion': '7.5.5',
'pointradius': 2,
'points': False,
'renderer': 'flot',
'seriesOverrides': [],
'spaceLength': 10,
'span': 4,
'stack': True,
'steppedLine': False,
'targets': queries_buffers,
'thresholds': [],
'timeRegions': [],
'title': 'postgresql buffers',
'tooltip': {
'shared': True,
'sort': 0,
'value_type': 'individual'
},
'type': 'graph',
'xaxis': {
'buckets': None,
'mode': 'time',
'name': None,
'show': True,
'values': []
},
'yaxes': [
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': 0,
'show': True,
'decimals': 0,
},
{
'format': 'short',
'label': None,
'logBase': 1,
'max': None,
'min': None,
'show': False,
}
],
'yaxis': {
'align': False,
'alignLevel': None
}
},
],
}

View file

@ -98,6 +98,10 @@ for rnode in repo.nodes:
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')
files[f'/var/lib/grafana/dashboards/{rnode.name}.json'] = {
# use metadata_to_json, because this supports sets
'content': metadata_to_json(dashboard),

View file

@ -30,6 +30,33 @@ defaults = {
},
}
if node.has_bundle('telegraf'):
defaults['telegraf'] = {
'input_plugins': {
'builtin': {
'postgresql': [{
'address': repo.vault.password_for(f'{node.name} postgresql telegraf').format_into('postgres://telegraf:{}@localhost:5432/telegraf?sslmode=disable'),
'ignored_databases': [
'template0',
'template1',
],
}],
},
},
}
defaults['postgresql'].update({
'roles': {
'telegraf': {
'password': repo.vault.password_for(f'{node.name} postgresql telegraf'),
},
},
'databases': {
'telegraf': {
'owner': 'telegraf',
},
},
})
if node.has_bundle('zfs'):
defaults['zfs'] = {
'datasets': {