DataMate/deployment/helm/milvus/charts/minio/templates/post-install-prometheus-metrics-job.yaml

{{- if or .Values.metrics.serviceMonitor.enabled .Values.metrics.podMonitor.enabled }}
{{- $fullName := include "minio.fullname" . -}}
{{ $scheme := "http" }}
{{- if .Values.tls.enabled }}
{{ $scheme = "https" }}
{{ end }}
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ $fullName }}-update-prometheus-secret
  labels:
    app: {{ template "minio.name" . }}-update-prometheus-secret
    chart: {{ template "minio.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
  annotations:
    "helm.sh/hook": post-install,post-upgrade
    "helm.sh/hook-weight": "-5"
    "helm.sh/hook-delete-policy": hook-succeeded,before-hook-creation
  {{ toYaml .Values.updatePrometheusJob.annotations | indent 4 }}
spec:
  template:
    metadata:
      labels:
        app: {{ template "minio.name" . }}-update-prometheus-secret
        release: {{ .Release.Name }}
{{- if .Values.podLabels }}
{{ toYaml .Values.podLabels | indent 8 }}
{{- end }}
{{- if .Values.updatePrometheusJob.podAnnotations }}
      annotations:
{{ toYaml .Values.updatePrometheusJob.podAnnotations | indent 8 }}
{{- end }}
    spec:
{{- if .Values.serviceAccount.create }}
      serviceAccountName: {{ $fullName }}-update-prometheus-secret
{{- end }}
      restartPolicy: OnFailure
{{- include "minio.imagePullSecrets" . | indent 6 }}
{{- if .Values.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
{{- end }}
{{- with .Values.affinity }}
      affinity:
{{ toYaml . | indent 8 }}
{{- end }}
{{- with .Values.tolerations }}
      tolerations:
{{ toYaml . | indent 8 }}
{{- end }}
{{- if .Values.updatePrometheusJob.securityContext.enabled }}
      securityContext:
        runAsUser: {{ .Values.updatePrometheusJob.securityContext.runAsUser }}
        runAsGroup: {{ .Values.updatePrometheusJob.securityContext.runAsGroup }}
        fsGroup: {{ .Values.updatePrometheusJob.securityContext.fsGroup }}
{{- end }}
      volumes:
        - name: workdir
          emptyDir: {}
      initContainers:
        - name: minio-mc
          image: "{{ .Values.mcImage.repository }}:{{ .Values.mcImage.tag }}"
          imagePullPolicy: {{ .Values.mcImage.pullPolicy }}
          command:
            - /bin/sh
            - "-c"
            - mc --config-dir {{ .Values.configPathmc }} admin prometheus generate target --json --no-color -q > /workdir/mc.json
          env:
            - name: MINIO_ACCESS_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ template "minio.secretName" . }}
                  key: accesskey
            - name: MINIO_SECRET_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ template "minio.secretName" . }}
                  key: secretkey
            #  mc admin prometheus generate don't really connect to remote server, TLS cert isn't required
            - name: MC_HOST_target
              value: {{ $scheme }}://$(MINIO_ACCESS_KEY):$(MINIO_SECRET_KEY)@{{ $fullName }}:{{ .Values.service.port }}
          volumeMounts:
            - name: workdir
              mountPath: /workdir
          resources:
{{ toYaml .Values.resources | indent 12 }}
        # extract bearerToken from mc admin output
        - name: jq
          image: "{{ .Values.helmKubectlJqImage.repository }}:{{ .Values.helmKubectlJqImage.tag }}"
          imagePullPolicy: {{ .Values.helmKubectlJqImage.pullPolicy }}
          command:
            - /bin/sh
            - "-c"
            - jq -e -c -j -r .bearerToken < /workdir/mc.json > /workdir/token
          volumeMounts:
            - name: workdir
              mountPath: /workdir
          resources:
{{ toYaml .Values.resources | indent 12 }}
        - name: kubectl-create
          image: "{{ .Values.helmKubectlJqImage.repository }}:{{ .Values.helmKubectlJqImage.tag }}"
          imagePullPolicy: {{ .Values.helmKubectlJqImage.pullPolicy }}
          command: ["/bin/sh", "-c"]
          args:
            # The following script does:
            # - get the servicemonitor that need this secret and copy some metadata and create the ownerreference for the secret file
            # - create the secret
            # - merge both json
            {{- if and .Values.metrics.serviceMonitor.enabled .Values.metrics.podMonitor.enabled }}
            - |
              mkdir -p /workdir/secrets && kubectl -n {{ .Release.Namespace }} get servicemonitor {{ $fullName }} -o json |
                jq -c '{metadata: {name: "{{ $fullName }}-servicemonitor-prometheus", namespace: .metadata.namespace, labels: {app: .metadata.labels.app, release: .metadata.labels.release}, ownerReferences: [{apiVersion: .apiVersion, kind: .kind, blockOwnerDeletion: true, controller: true, uid: .metadata.uid, name: .metadata.name}]}}' > /workdir/servicemonitormetadata.json &&
              kubectl create secret generic {{ $fullName }}-servicemonitor-prometheus --from-file=token=/workdir/token --dry-run -o json > /workdir/servicemonitorsecret.json &&
              cat /workdir/servicemonitorsecret.json /workdir/servicemonitormetadata.json | jq -s add > /workdir/secrets/servicemonitorobject.json;
              mkdir -p /workdir/secrets && kubectl -n {{ .Release.Namespace }} get podmonitor {{ $fullName }} -o json |
                jq -c '{metadata: {name: "{{ $fullName }}-podmonitor-prometheus", namespace: .metadata.namespace, labels: {app: .metadata.labels.app, release: .metadata.labels.release}, ownerReferences: [{apiVersion: .apiVersion, kind: .kind, blockOwnerDeletion: true, controller: true, uid: .metadata.uid, name: .metadata.name}]}}' > /workdir/podmonitormetadata.json &&
              kubectl create secret generic {{ $fullName }}-podmonitor-prometheus --from-file=token=/workdir/token --dry-run -o json > /workdir/podmonitorsecret.json &&
              cat /workdir/podmonitorsecret.json /workdir/podmonitormetadata.json | jq -s add > /workdir/secrets/podmonitorobject.json
            {{- else if .Values.metrics.podMonitor.enabled }}
            - |
              mkdir -p /workdir/secrets && kubectl -n {{ .Release.Namespace }} get podmonitor {{ $fullName }} -o json |
                jq -c '{metadata: {name: "{{ $fullName }}-podmonitor-prometheus", namespace: .metadata.namespace, labels: {app: .metadata.labels.app, release: .metadata.labels.release}, ownerReferences: [{apiVersion: .apiVersion, kind: .kind, blockOwnerDeletion: true, controller: true, uid: .metadata.uid, name: .metadata.name}]}}' > /workdir/podmonitormetadata.json &&
              kubectl create secret generic {{ $fullName }}-podmonitor-prometheus --from-file=token=/workdir/token --dry-run -o json > /workdir/podmonitorsecret.json &&
              cat /workdir/podmonitorsecret.json /workdir/podmonitormetadata.json | jq -s add > /workdir/secrets/podmonitorobject.json
            {{- else if .Values.metrics.serviceMonitor.enabled }}
            - |
              mkdir -p /workdir/secrets && kubectl -n {{ .Release.Namespace }} get servicemonitor {{ $fullName }} -o json |
                jq -c '{metadata: {name: "{{ $fullName }}-servicemonitor-prometheus", namespace: .metadata.namespace, labels: {app: .metadata.labels.app, release: .metadata.labels.release}, ownerReferences: [{apiVersion: .apiVersion, kind: .kind, blockOwnerDeletion: true, controller: true, uid: .metadata.uid, name: .metadata.name}]}}' > /workdir/servicemonitormetadata.json &&
              kubectl create secret generic {{ $fullName }}-servicemonitor-prometheus --from-file=token=/workdir/token --dry-run -o json > /workdir/servicemonitorsecret.json &&
              cat /workdir/servicemonitorsecret.json /workdir/servicemonitormetadata.json | jq -s add > /workdir/secrets/servicemonitorobject.json
            {{- end }}
          volumeMounts:
            - name: workdir
              mountPath: /workdir
          resources:
{{ toYaml .Values.resources | indent 12 }}
      containers:
        - name: kubectl-apply
          image: "{{ .Values.helmKubectlJqImage.repository }}:{{ .Values.helmKubectlJqImage.tag }}"
          imagePullPolicy: {{ .Values.helmKubectlJqImage.pullPolicy }}
          command:
            - kubectl
            - apply
            - "-f"
            - /workdir/secrets
          volumeMounts:
            - name: workdir
              mountPath: /workdir
          resources:
{{ toYaml .Values.resources | indent 12 }}
{{- end }}