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View Code? Open in Web Editor NEWA set of Prometheus alerts & grafana dashboards for CoreDNS.
License: Apache License 2.0
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enkov olegmayko paulfantom danehans alterway hoenn amoghk rdagnelie myauie grafana yaboeing daper v-zhuravlev balajikandancoredns-mixin's Issues
Runbook is missing
All alerts has links to a runbook file that does not exists (e.g. https://github.com/povilasv/coredns-mixin/tree/master/runbook.md#alert-name-corednsforwarderrorshigh).
Does not work without providing entire grafana configuration in _config
Hi, I am trying to get this to work with kube-prometheus customization but am unable to do so. To narrow the issue, I started with a fresh workspace and then modified their all-namespaces.jsonnet to include coredns mixin as follows:
local kp = (import 'kube-prometheus/kube-prometheus.libsonnet') +
(import 'kube-prometheus/kube-prometheus-all-namespaces.libsonnet') +
(import 'coredns-mixin/mixin.libsonnet') +{
_config+:: {
namespace: 'monitoring',
prometheus+:: {
namespaces: [],
},
},
};
{ ['00namespace-' + name]: kp.kubePrometheus[name] for name in std.objectFields(kp.kubePrometheus) } +
{ ['0prometheus-operator-' + name]: kp.prometheusOperator[name] for name in std.objectFields(kp.prometheusOperator) } +
{ ['node-exporter-' + name]: kp.nodeExporter[name] for name in std.objectFields(kp.nodeExporter) } +
{ ['kube-state-metrics-' + name]: kp.kubeStateMetrics[name] for name in std.objectFields(kp.kubeStateMetrics) } +
{ ['alertmanager-' + name]: kp.alertmanager[name] for name in std.objectFields(kp.alertmanager) } +
{ ['prometheus-' + name]: kp.prometheus[name] for name in std.objectFields(kp.prometheus) } +
{ ['grafana-' + name]: kp.grafana[name] for name in std.objectFields(kp.grafana) }
I get the below error:
jsonnet -J vendor -m manifests example1.jsonnet
xargs '-I{}' sh -c 'cat {} | gojsontoyaml > {}.yaml' -- '{}'
RUNTIME ERROR: Field does not exist: config
vendor/grafana/grafana.libsonnet:47:20-44 thunk from <object >
vendor/grafana/grafana.libsonnet:47:9-45 object
example1.jsonnet:19:70-80 thunk from <$>
:1293:24-25 thunk from <function >
:1293:5-33 function
example1.jsonnet:19:53-81 $During evaluation
I tried by adding config for Grafana as follows in the _config section
grafana+:: {
config+: {
sections+: {
server+: {
root_url: 'https://grafana.10-0-2-15.nip.io/',
},
},
ldap: null,
},
},
This results in the below error:
- jsonnet -J vendor -m manifests example1.jsonnet
- xargs '-I{}' sh -c 'cat {} | gojsontoyaml > {}.yaml' -- '{}'
RUNTIME ERROR: Field does not exist: ldap
vendor/grafana/grafana.libsonnet:50:32-54 thunk from <object >
vendor/grafana/grafana.libsonnet:51:36-49 thunk from <object >
vendor/ksonnet/ksonnet.beta.4/k8s.libsonnet:9656:82-86
vendor/ksonnet/ksonnet.beta.4/k8s.libsonnet:9658:41-45 object
During manifestation
I ended up providing entire grafana configuration. Below is my final _config+::
_config+:: {
namespace: 'monitoring',
grafana+:: {
config+: {
sections+: {
server+: {
root_url: 'https://grafana.10-0-2-15.nip.io/',
},
},
},
ldap: null,
datasources: [{
}],
dashboards: {},
folderDashboards: {},
rawDashboards: {},
container: {
requests: { cpu: '100m', memory: '100Mi' },
limits: { cpu: '200m', memory: '200Mi' },
},
containers: [],
env: [],
plugins: [],
port: 3000,
},
prometheus+:: {
namespaces: [],
},
},
multicluster variable is missing
Given the fact, all prometheus dashboards support multi cluster, can we include multicluster back here, please ?
PrometheRule name is not compatble with kube-prometheus
Hi,
I've added your coredns-mixin to kube-prometheus in the JSONNET file, it builds correctly but the PrometheusRule cannot be applied to the Kubernetes cluster as is contains upper case characters in the name. When trying to apply the manifest the following error is raised:
The PrometheusRule "coreDNS" is invalid: metadata.name: Invalid value: "coreDNS": a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')
Changing the start of the manifest as follows resolves the problem:
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
labels:
prometheus: k8s
name: coredns
namespace: monitoringadd-runbook-links.libsonnet breaks runbook_url from other alerts
Hello!
I am trying to use this lib with kube-prometheus and when I import alerts like
local coreDNSAlerts = (import 'coredns-mixin/mixin.libsonnet').prometheusAlerts;
prometheusAlerts+:: jaegerAlerts + coreDNSAlerts
runbook_urls in all other alerts got rewritten
- runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-nodefilesystemalmostoutoffiles
+ runbook_url: https://github.com/povilasv/coredns-mixin/tree/master/runbook.md#alert-name-nodefilesystemalmostoutoffiles
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