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Added ability to configure nodeExporter port

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This commit is contained in:
Jono MacDougall
2019-01-10 14:54:35 +00:00
parent 73bd58f8d8
commit abd6ee5203
2 changed files with 13 additions and 5 deletions
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4
README.md
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@@ -312,6 +312,10 @@ These are the available fields with their respective default values:
cpuPerNode: '2m', cpuPerNode: '2m',
memoryPerNode: '30Mi', memoryPerNode: '30Mi',
}, },
nodeExporter+:: {
port: 9100,
},
}, },
} }
``` ```

14
jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
View File

@@ -13,6 +13,10 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
nodeExporter: 'quay.io/prometheus/node-exporter', nodeExporter: 'quay.io/prometheus/node-exporter',
kubeRbacProxy: 'quay.io/coreos/kube-rbac-proxy', kubeRbacProxy: 'quay.io/coreos/kube-rbac-proxy',
}, },
nodeExporter+:: {
port: 9100,
},
}, },
nodeExporter+:: { nodeExporter+:: {
@@ -83,7 +87,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
local nodeExporter = local nodeExporter =
container.new('node-exporter', $._config.imageRepos.nodeExporter + ':' + $._config.versions.nodeExporter) + container.new('node-exporter', $._config.imageRepos.nodeExporter + ':' + $._config.versions.nodeExporter) +
container.withArgs([ container.withArgs([
'--web.listen-address=127.0.0.1:9100', '--web.listen-address=127.0.0.1:' + $._config.nodeExporter.port,
'--path.procfs=/host/proc', '--path.procfs=/host/proc',
'--path.sysfs=/host/sys', '--path.sysfs=/host/sys',
@@ -101,8 +105,8 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
local proxy = local proxy =
container.new('kube-rbac-proxy', $._config.imageRepos.kubeRbacProxy + ':' + $._config.versions.kubeRbacProxy) + container.new('kube-rbac-proxy', $._config.imageRepos.kubeRbacProxy + ':' + $._config.versions.kubeRbacProxy) +
container.withArgs([ container.withArgs([
'--secure-listen-address=$(IP):9100', '--secure-listen-address=$(IP):' + $._config.nodeExporter.port,
'--upstream=http://127.0.0.1:9100/', '--upstream=http://127.0.0.1:' + $._config.nodeExporter.port + '/',
]) + ]) +
// Keep `hostPort` here, rather than in the node-exporter container // Keep `hostPort` here, rather than in the node-exporter container
// because Kubernetes mandates that if you define a `hostPort` then // because Kubernetes mandates that if you define a `hostPort` then
@@ -112,7 +116,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
// used by the service is tied to the proxy container. We *could* // used by the service is tied to the proxy container. We *could*
// forgo declaring the host port, however it is important to declare // forgo declaring the host port, however it is important to declare
// it so that the scheduler can decide if the pod is schedulable. // it so that the scheduler can decide if the pod is schedulable.
container.withPorts(containerPort.new(9100) + containerPort.withHostPort(9100) + containerPort.withName('https')) + container.withPorts(containerPort.new($._config.nodeExporter.port) + containerPort.withHostPort($._config.nodeExporter.port) + containerPort.withName('https')) +
container.mixin.resources.withRequests({ cpu: '10m', memory: '20Mi' }) + container.mixin.resources.withRequests({ cpu: '10m', memory: '20Mi' }) +
container.mixin.resources.withLimits({ cpu: '20m', memory: '40Mi' }) + container.mixin.resources.withLimits({ cpu: '20m', memory: '40Mi' }) +
container.withEnv([ip]); container.withEnv([ip]);
@@ -177,7 +181,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
local service = k.core.v1.service; local service = k.core.v1.service;
local servicePort = k.core.v1.service.mixin.spec.portsType; local servicePort = k.core.v1.service.mixin.spec.portsType;
local nodeExporterPort = servicePort.newNamed('https', 9100, 'https'); local nodeExporterPort = servicePort.newNamed('https', $._config.nodeExporter.port, 'https');
service.new('node-exporter', $.nodeExporter.daemonset.spec.selector.matchLabels, nodeExporterPort) + service.new('node-exporter', $.nodeExporter.daemonset.spec.selector.matchLabels, nodeExporterPort) +
service.mixin.metadata.withNamespace($._config.namespace) + service.mixin.metadata.withNamespace($._config.namespace) +