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Add support for Kubespray clusters

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This commit is contained in:
Alexandre Veyrenc
2018-11-05 13:05:46 +01:00
parent cad5745106
commit e42bff1ed3
3 changed files with 29 additions and 1 deletions
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10
README.md
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@@ -328,7 +328,7 @@ Jsonnet is a turing complete language, any logic can be reflected in it. It also
### Cluster Creation Tools
A common example is that not all Kubernetes clusters are created exactly the same way, meaning the configuration to monitor them may be slightly different. For [kubeadm](examples/jsonnet-snippets/kubeadm.jsonnet) and [bootkube](examples/jsonnet-snippets/bootkube.jsonnet) and [kops](examples/jsonnet-snippets/kops.jsonnet) clusters there are mixins available to easily configure these:
A common example is that not all Kubernetes clusters are created exactly the same way, meaning the configuration to monitor them may be slightly different. For [kubeadm](examples/jsonnet-snippets/kubeadm.jsonnet), [bootkube](examples/jsonnet-snippets/bootkube.jsonnet), [kops](examples/jsonnet-snippets/kops.jsonnet) and [kubespray](examples/jsonnet-snippets/kubespray.jsonnet) clusters there are mixins available to easily configure these:
kubeadm:
@@ -354,6 +354,14 @@ kops:
(import 'kube-prometheus/kube-prometheus-kops.libsonnet')
```
kubespray:
[embedmd]:# (examples/jsonnet-snippets/kubespray.jsonnet)
```jsonnet
(import 'kube-prometheus/kube-prometheus.libsonnet') +
(import 'kube-prometheus/kube-prometheus-kubespray.libsonnet')
```
### Internal Registry
Some Kubernetes installations source all their images from an internal registry. kube-prometheus supports this use case and helps the user synchronize every image it uses to the internal registry and generate manifests pointing at the internal registry.

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examples/jsonnet-snippets/kubespray.jsonnet Normal file
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@@ -0,0 +1,2 @@
(import 'kube-prometheus/kube-prometheus.libsonnet') +
(import 'kube-prometheus/kube-prometheus-kubespray.libsonnet')

18
jsonnet/kube-prometheus/kube-prometheus-kubespray.libsonnet Normal file
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@@ -0,0 +1,18 @@
local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
local service = k.core.v1.service;
local servicePort = k.core.v1.service.mixin.spec.portsType;
{
prometheus+: {
kubeControllerManagerPrometheusDiscoveryService:
service.new('kube-controller-manager-prometheus-discovery', { 'k8s-app': 'kube-controller-manager' }, servicePort.newNamed('http-metrics', 10252, 10252)) +
service.mixin.metadata.withNamespace('kube-system') +
service.mixin.metadata.withLabels({ 'k8s-app': 'kube-controller-manager' }) +
service.mixin.spec.withClusterIp('None'),
kubeSchedulerPrometheusDiscoveryService:
service.new('kube-scheduler-prometheus-discovery', { 'k8s-app': 'kube-scheduler' }, servicePort.newNamed('http-metrics', 10251, 10251)) +
service.mixin.metadata.withNamespace('kube-system') +
service.mixin.metadata.withLabels({ 'k8s-app': 'kube-scheduler' }) +
service.mixin.spec.withClusterIp('None'),
},
}