.maintain/monitoring: Normalize alerting rules (#7232)

* .maintain/monitoring: Normalize alerting rules

- Start alert names with their component and end with the describing
adjective.

- Describe alert duration in `message` with `for more than` across all
alerts.

* .maintain/monitoring: Fix alert tests
This commit is contained in:
Max Inden
2020-09-30 10:48:48 +02:00
committed by GitHub
parent 59afb1081c
commit 51c0d27aa1
2 changed files with 42 additions and 38 deletions
@@ -49,10 +49,10 @@ tests:
######################################################################
- eval_time: 6m
alertname: LowNumberOfNewBlocks
alertname: BlockProductionSlow
exp_alerts:
- eval_time: 7m
alertname: LowNumberOfNewBlocks
alertname: BlockProductionSlow
exp_alerts:
- exp_labels:
severity: warning
@@ -61,11 +61,12 @@ tests:
job: polkadot
status: best
exp_annotations:
message: "Less than one new block per minute on instance
polkadot-abcdef01234-abcdef."
message: "Best block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute for more than 3 minutes."
- eval_time: 14m
alertname: LowNumberOfNewBlocks
alertname: BlockProductionSlow
exp_alerts:
- exp_labels:
severity: warning
@@ -74,8 +75,9 @@ tests:
job: polkadot
status: best
exp_annotations:
message: "Less than one new block per minute on instance
polkadot-abcdef01234-abcdef."
message: "Best block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute for more than 3 minutes."
- exp_labels:
severity: critical
pod: polkadot-abcdef01234-abcdef
@@ -83,8 +85,9 @@ tests:
job: polkadot
status: best
exp_annotations:
message: "Less than one new block per minute on instance
polkadot-abcdef01234-abcdef."
message: "Best block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute for more than 10 minutes."
######################################################################
# Block finalization
@@ -105,7 +108,7 @@ tests:
exp_annotations:
message: "Finalized block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute."
minute for more than 3 minutes."
- eval_time: 14m
alertname: BlockFinalizationSlow
@@ -119,7 +122,7 @@ tests:
exp_annotations:
message: "Finalized block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute."
minute for more than 3 minutes."
- exp_labels:
severity: critical
pod: polkadot-abcdef01234-abcdef
@@ -129,7 +132,7 @@ tests:
exp_annotations:
message: "Finalized block on instance
polkadot-abcdef01234-abcdef increases by less than 1 per
minute."
minute for more than 10 minutes."
######################################################################
# Transaction queue
@@ -155,7 +158,7 @@ tests:
exp_annotations:
message: "The transaction pool size on node
polkadot-abcdef01234-abcdef has been monotonically
increasing for the last 10 minutes."
increasing for more than 10 minutes."
- eval_time: 43m
alertname: TransactionQueueSizeIncreasing
# Number of validations scheduled is growing twice as fast as the
@@ -170,7 +173,7 @@ tests:
exp_annotations:
message: "The transaction pool size on node
polkadot-abcdef01234-abcdef has been monotonically
increasing for the last 10 minutes."
increasing for more than 10 minutes."
- exp_labels:
severity: critical
pod: polkadot-abcdef01234-abcdef
@@ -179,7 +182,7 @@ tests:
exp_annotations:
message: "The transaction pool size on node
polkadot-abcdef01234-abcdef has been monotonically
increasing for the last 30 minutes."
increasing for more than 30 minutes."
- eval_time: 49m
alertname: TransactionQueueSizeHigh
# After minute 43 the number of validations scheduled jumps up
@@ -193,18 +196,18 @@ tests:
job: polkadot
exp_annotations:
message: "The transaction pool size on node
polkadot-abcdef01234-abcdef has been above 10_000 for the
last 5 minutes."
polkadot-abcdef01234-abcdef has been above 10_000 for more
than 5 minutes."
######################################################################
# Networking
######################################################################
- eval_time: 3m # Values: 3 2 2
alertname: LowNumberOfPeers
alertname: NumberOfPeersLow
exp_alerts:
- eval_time: 4m # Values: 2 2 2
alertname: LowNumberOfPeers
alertname: NumberOfPeersLow
exp_alerts:
- exp_labels:
severity: warning
@@ -216,7 +219,7 @@ tests:
than 3 peers for more than 3 minutes"
- eval_time: 16m # Values: 3 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1
alertname: LowNumberOfPeers
alertname: NumberOfPeersLow
exp_alerts:
- exp_labels:
severity: warning
@@ -6,18 +6,18 @@ groups:
# Block production
##############################################################################
- alert: LowNumberOfNewBlocks
- alert: BlockProductionSlow
annotations:
message: 'Less than one new block per minute on instance {{
$labels.instance }}.'
message: 'Best block on instance {{ $labels.instance }} increases by
less than 1 per minute for more than 3 minutes.'
expr: increase(polkadot_block_height{status="best"}[1m]) < 1
for: 3m
labels:
severity: warning
- alert: LowNumberOfNewBlocks
- alert: BlockProductionSlow
annotations:
message: 'Less than one new block per minute on instance {{
$labels.instance }}.'
message: 'Best block on instance {{ $labels.instance }} increases by
less than 1 per minute for more than 10 minutes.'
expr: increase(polkadot_block_height{status="best"}[1m]) < 1
for: 10m
labels:
@@ -34,7 +34,7 @@ groups:
severity: warning
annotations:
message: 'Finalized block on instance {{ $labels.instance }} increases by
less than 1 per minute.'
less than 1 per minute for more than 3 minutes.'
- alert: BlockFinalizationSlow
expr: increase(polkadot_block_height{status="finalized"}[1m]) < 1
for: 10m
@@ -42,7 +42,7 @@ groups:
severity: critical
annotations:
message: 'Finalized block on instance {{ $labels.instance }} increases by
less than 1 per minute.'
less than 1 per minute for more than 10 minutes.'
- alert: BlockFinalizationLaggingBehind
# Under the assumption of an average block production of 6 seconds,
# "best" and "finalized" being more than 10 blocks apart would imply
@@ -54,7 +54,7 @@ groups:
severity: critical
annotations:
message: "Block finalization on instance {{ $labels.instance }} is behind
block production by {{ $value }} for more than 8m"
block production by {{ $value }} for more than 8 minutes."
##############################################################################
# Transaction queue
@@ -68,7 +68,7 @@ groups:
severity: warning
annotations:
message: 'The transaction pool size on node {{ $labels.instance }} has
been monotonically increasing for the last 10 minutes.'
been monotonically increasing for more than 10 minutes.'
- alert: TransactionQueueSizeIncreasing
expr: 'increase(polkadot_sub_txpool_validations_scheduled[5m]) -
increase(polkadot_sub_txpool_validations_finished[5m]) > 0'
@@ -77,7 +77,7 @@ groups:
severity: critical
annotations:
message: 'The transaction pool size on node {{ $labels.instance }} has
been monotonically increasing for the last 30 minutes.'
been monotonically increasing for more than 30 minutes.'
- alert: TransactionQueueSizeHigh
expr: 'polkadot_sub_txpool_validations_scheduled -
polkadot_sub_txpool_validations_finished > 10000'
@@ -86,13 +86,13 @@ groups:
severity: critical
annotations:
message: 'The transaction pool size on node {{ $labels.instance }} has
been above 10_000 for the last 5 minutes.'
been above 10_000 for more than 5 minutes.'
##############################################################################
# Networking
##############################################################################
- alert: LowNumberOfPeers
- alert: NumberOfPeersLow
expr: polkadot_sub_libp2p_peers_count < 3
for: 3m
labels:
@@ -100,7 +100,7 @@ groups:
annotations:
message: 'The node {{ $labels.instance }} has less than 3 peers for more
than 3 minutes'
- alert: LowNumberOfPeers
- alert: NumberOfPeersLow
expr: polkadot_sub_libp2p_peers_count < 3
for: 15m
labels:
@@ -113,7 +113,7 @@ groups:
# System
##############################################################################
- alert: HighNumberOfFileDescriptors
- alert: NumberOfFileDescriptorsHigh
expr: 'node_filefd_allocated{domain=~"kusama|polkadot"} > 10000'
for: 3m
labels:
@@ -126,7 +126,7 @@ groups:
# Others
##############################################################################
- alert: AuthorityDiscoveryHighDiscoveryFailure
- alert: AuthorityDiscoveryDiscoveryFailureHigh
expr: 'polkadot_authority_discovery_handle_value_found_event_failure /
ignoring(name)
polkadot_authority_discovery_dht_event_received{name="value_found"} > 0.5'
@@ -134,5 +134,6 @@ groups:
labels:
severity: warning
annotations:
message: "Authority discovery on node {{ $labels.instance }} fails to
process more than 50 % of the values found on the DHT."
message: 'Authority discovery on node {{ $labels.instance }} fails to
process more than 50 % of the values found on the DHT for more than 2
hours.'