easylinux/kube-prometheus
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #425 from alok87/weave-net

Browse Source 
Weave Net Monitoring setup using kube-prometheus
This commit is contained in:
Frederic Branczyk
2020-03-04 20:20:16 +01:00
committed by GitHub
parent 23a6adea16 7a85d7d8a6
commit 7a2572d1f9
6 changed files with 6253 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3347
jsonnet/kube-prometheus/grafana-weave-net-cluster.json Normal file
View File

File diff suppressed because it is too large Load Diff

2605
jsonnet/kube-prometheus/grafana-weave-net.json Normal file
View File

File diff suppressed because it is too large Load Diff

189
jsonnet/kube-prometheus/kube-prometheus-weave-net.libsonnet Normal file
View File

@@ -0,0 +1,189 @@
local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
local service = k.core.v1.service;
local servicePort = k.core.v1.service.mixin.spec.portsType;
{
prometheus+: {
serviceWeaveNet:
service.new('weave-net', { 'k8s-app': 'weave-net' }, servicePort.newNamed('weave-net-metrics', 6782, 6782)) +
service.mixin.metadata.withNamespace('kube-system') +
service.mixin.metadata.withLabels({ 'k8s-app': 'weave-net' }) +
service.mixin.spec.withClusterIp('None'),
serviceMonitorWeaveNet: {
apiVersion: 'monitoring.coreos.com/v1',
kind: 'ServiceMonitor',
metadata: {
name: 'weave-net',
labels: {
'k8s-app': 'weave-net',
},
namespace: 'monitoring',
},
spec: {
jobLabel: 'k8s-app',
endpoints: [
{
port: 'weave-metrics',
path: '/metrics',
interval: '15s',
},
],
namespaceSelector: {
matchNames: [
'kube-system',
],
},
selector: {
matchLabels: {
'k8s-app': 'weave-net',
},
},
},
},
},
prometheusRules+: {
groups+: [
{
name: 'weave-net',
rules: [
{
alert: 'WeaveNetIPAMSplitBrain',
expr: 'max(weave_ipam_unreachable_percentage) - min(weave_ipam_unreachable_percentage) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'Percentage of all IP addresses owned by unreachable peers is not same for every node.',
description: 'actionable: Weave Net network has a split brain problem. Please find the problem and fix it.',
},
},
{
alert: 'WeaveNetIPAMUnreachable',
expr: 'weave_ipam_unreachable_percentage > 25',
'for': '10m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'Percentage of all IP addresses owned by unreachable peers is above threshold.',
description: 'actionable: Please find the problem and fix it.',
},
},
{
alert: 'WeaveNetIPAMPendingAllocates',
expr: 'sum(weave_ipam_pending_allocates) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'Number of pending allocates is above the threshold.',
description: 'actionable: Please find the problem and fix it.',
},
},
{
alert: 'WeaveNetIPAMPendingClaims',
expr: 'sum(weave_ipam_pending_claims) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'Number of pending claims is above the threshold.',
description: 'actionable: Please find the problem and fix it.',
},
},
{
alert: 'WeaveNetFastDPFlowsLow',
expr: 'sum(weave_flows) < 15000',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'Number of FastDP flows is below the threshold.',
description: 'actionable: Please find the reason for FastDP flows to go below the threshold and fix it.',
},
},
{
alert: 'WeaveNetFastDPFlowsOff',
expr: 'sum(weave_flows == bool 0) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'FastDP flows is zero.',
description: 'actionable: Please find the reason for FastDP flows to be off and fix it.',
},
},
{
alert: 'WeaveNetHighConnectionTerminationRate',
expr: 'rate(weave_connection_terminations_total[5m]) > 0.1',
'for': '5m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'A lot of connections are getting terminated.',
description: 'actionable: Please find the reason for the high connection termination rate and fix it.',
},
},
{
alert: 'WeaveNetConnectionsConnecting',
expr: 'sum(weave_connections{state="connecting"}) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'A lot of connections are in connecting state.',
description: 'actionable: Please find the reason for this and fix it.',
},
},
{
alert: 'WeaveNetConnectionsRetying',
expr: 'sum(weave_connections{state="retrying"}) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'A lot of connections are in retrying state.',
description: 'actionable: Please find the reason for this and fix it.',
},
},
{
alert: 'WeaveNetConnectionsPending',
expr: 'sum(weave_connections{state="pending"}) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'A lot of connections are in pending state.',
description: 'actionable: Please find the reason for this and fix it.',
},
},
{
alert: 'WeaveNetConnectionsFailed',
expr: 'sum(weave_connections{state="failed"}) > 0',
'for': '3m',
labels: {
severity: 'critical',
},
annotations: {
summary: 'A lot of connections are in failed state.',
description: 'actionable: Please find the reason and fix it.',
},
},
],
},
],
},
grafanaDashboards+:: {
'weave-net.json': (import 'grafana-weave-net.json'),
'weave-net-cluster.json': (import 'grafana-weave-net-cluster.json'),
},
}