bcd96cf800
In some instances the prometheus node-exporter provides inaccurate feedback regarding disk usage. By adding the ability to add additional mounts, more information about the node's filesystem can be made available to monitoring services. Change-Id: I5085a29683dc36099014efb1b11c7db774df501a Co-Authored-By: Radhika Pai <rp592h@att.com>
127 lines
5.3 KiB
YAML
127 lines
5.3 KiB
YAML
{{/*
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Copyright 2017 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{- if .Values.manifests.daemonset }}
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{{- $envAll := . }}
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{{- $mounts_node_exporter := .Values.pod.mounts.node_exporter.node_exporter}}
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{{- $serviceAccountName := printf "%s-%s" .Release.Name "node-exporter" }}
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{{ tuple $envAll "node_exporter" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: ClusterRoleBinding
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metadata:
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name: run-node-exporter
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subjects:
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- kind: ServiceAccount
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name: {{ $serviceAccountName }}
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namespace: {{ .Release.Namespace }}
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roleRef:
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kind: ClusterRole
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name: cluster-admin
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apiGroup: rbac.authorization.k8s.io
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: node-exporter
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annotations:
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
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labels:
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{{ tuple $envAll "node_exporter" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
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spec:
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selector:
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matchLabels:
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{{ tuple $envAll "node_exporter" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
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{{ tuple $envAll "node_exporter" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
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template:
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metadata:
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labels:
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{{ tuple $envAll "node_exporter" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
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annotations:
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{{ dict "envAll" $envAll "podName" "node-exporter" "containerNames" (list "node-exporter") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
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configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
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spec:
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{{ dict "envAll" $envAll "application" "metrics" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
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serviceAccountName: {{ $serviceAccountName }}
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{{ if .Values.pod.tolerations.node_exporter.enabled }}
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{{ tuple $envAll "node_exporter" | include "helm-toolkit.snippets.kubernetes_tolerations" | indent 6 }}
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{{ else }}
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nodeSelector:
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{{ .Values.labels.node_exporter.node_selector_key }}: {{ .Values.labels.node_exporter.node_selector_value | quote }}
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{{ end }}
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hostNetwork: true
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hostPID: true
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initContainers:
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{{ tuple $envAll "node_exporter" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
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containers:
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- name: node-exporter
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{{ tuple $envAll "node_exporter" | include "helm-toolkit.snippets.image" | indent 10 }}
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{{ tuple $envAll $envAll.Values.pod.resources.node_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
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{{ dict "envAll" $envAll "application" "metrics" "container" "node_exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
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command:
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- /tmp/node-exporter.sh
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ports:
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- name: metrics
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containerPort: {{ tuple "node_metrics" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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hostPort: {{ tuple "node_metrics" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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readinessProbe:
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httpGet:
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port: {{ tuple "node_metrics" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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initialDelaySeconds: 20
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periodSeconds: 10
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volumeMounts:
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- name: pod-tmp
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mountPath: /tmp
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- name: proc
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mountPath: /host/proc
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readOnly: true
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- name: sys
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mountPath: /host/sys
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readOnly: true
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{{ if .Values.conf.collectors.textfile.directory }}
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- name: stats-out
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mountPath: {{.Values.conf.collectors.textfile.directory }}
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readOnly: true
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{{ end }}
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- name: node-exporter-bin
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mountPath: /tmp/node-exporter.sh
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subPath: node-exporter.sh
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readOnly: true
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{{ if $mounts_node_exporter.volumeMounts }}{{ toYaml $mounts_node_exporter.volumeMounts | indent 12 }}{{ end }}
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volumes:
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- name: pod-tmp
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emptyDir: {}
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- name: proc
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hostPath:
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path: /proc
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- name: sys
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hostPath:
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path: /sys
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{{ if .Values.conf.collectors.textfile.directory }}
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- name: stats-out
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hostPath:
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path: {{.Values.conf.collectors.textfile.directory }}
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{{ end }}
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- name: node-exporter-bin
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configMap:
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name: node-exporter-bin
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defaultMode: 0555
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{{ if $mounts_node_exporter.volumes }}{{ toYaml $mounts_node_exporter.volumes | indent 8 }}{{ end }}
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{{- end }}
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