jklein
55f5aefdbe
Home Assistant reads configuration.yaml, http-config.yaml and recorder-config.yaml from a 1Password-backed Secret, mounted with subPath. Two different gaps hide behind that, and only one of them can be closed. Repointing secrets.configSecretRef at a different vault item used to leave the running pod on the old configuration. That is now covered: the pod template carries checksum/secret-ref over the rendered OnePasswordItem. The annotation is named apart from checksum/config on purpose - it only promises that the config source changed, not the config itself - matching the pattern minecraft-server introduced. Changing the CONTENT of the item in the vault still does not restart anything, and cannot: Helm never sees the content, so there is nothing to hash. The operator's own auto-restart annotation is no way out either - onepassword- operator 1.12.0 enumerates exactly one workload type in its secret-update handler (appsv1.DeploymentList) and this workload is a StatefulSet, so the annotation would be a silent no-op advertising a guarantee it cannot keep. It is deliberately not set. values.yaml states the limitation and the manual rollout restart it requires; the README guideline records the operator finding, the annotation precedence trap, and the checksum/secret-ref pattern so neither is rediscovered the hard way. Major bump: runtime behavior changes - changing the secret reference now costs a restart. For this release the effect is preventive, since it currently runs at zero replicas via scaleDown.
120 lines
5.0 KiB
YAML
120 lines
5.0 KiB
YAML
apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: "{{ .Release.Name }}-{{ .Chart.Name }}-sfs"
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labels:
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app: "{{ .Release.Name }}-{{ .Chart.Name }}"
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spec:
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serviceName: "{{ .Release.Name }}-{{ .Chart.Name }}-service"
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replicas: {{ include "homeassistant.replicas" (dict "scaleDown" .Values.scaleDown "replicas" .Values.replicas) }}
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selector:
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matchLabels:
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app: "{{ .Release.Name }}-{{ .Chart.Name }}"
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template:
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metadata:
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labels:
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app: "{{ .Release.Name }}-{{ .Chart.Name }}"
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name: "{{ .Release.Name }}-{{ .Chart.Name }}-sfs"
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annotations:
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# Deliberately NOT a hash of the secret's content: the Kubernetes Secret
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# is materialized by the 1Password operator, so Helm never sees what is
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# in it. This hash covers the rendered OnePasswordItem, i.e. the op://
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# item path - repointing secrets.configSecretRef at a different item now
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# takes effect instead of silently leaving the old configuration in the
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# running pod. A change of the item's CONTENT inside the vault is not
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# covered; see the comment on secrets in values.yaml for why that gap
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# cannot be closed here and what it means operationally.
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# The name differs from checksum/config on purpose - that one promises
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# "the config changed", this one only "the config source changed".
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checksum/secret-ref: {{ include (print $.Template.BasePath "/homeassistant-core-config.secret.yaml") . | sha256sum }}
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spec:
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automountServiceAccountToken: false
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securityContext:
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{{- toYaml .Values.securityContext.pod | nindent 8 }}
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containers:
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- name: "{{ .Release.Name }}-{{ .Chart.Name }}"
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image: "ghcr.io/home-assistant/home-assistant:{{ .Chart.AppVersion }}"
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imagePullPolicy: IfNotPresent
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securityContext:
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{{- toYaml .Values.securityContext.container | nindent 12 }}
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env:
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- name: TZ
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value: "{{ .Values.core.timezone }}"
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{{- range $value := .Values.env }}
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{{- if $value.value }}
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- name: {{ $value.name | quote }}
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value: {{ tpl $value.value $ | quote }}
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{{- else if $value.valueFrom }}
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{{- if $value.valueFrom.secretKeyRef }}
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- name: {{ $value.name }}
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valueFrom:
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secretKeyRef:
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name: {{ tpl $value.valueFrom.secretKeyRef.name $ | quote }}
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key: {{ tpl $value.valueFrom.secretKeyRef.key $ | quote }}
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{{- else if $value.valueFrom.configMapKeyRef }}
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- name: {{ $value.name }}
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valueFrom:
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configMapKeyRef:
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name: {{ tpl $value.valueFrom.configMapKeyRef.name $ | quote }}
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key: {{ tpl $value.valueFrom.configMapKeyRef.key $ | quote }}
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{{- end }}
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{{- end }}
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{{- end }}
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ports:
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- name: http
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containerPort: 8123
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protocol: TCP
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livenessProbe:
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{{- toYaml .Values.livenessProbe | nindent 12 }}
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readinessProbe:
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{{- toYaml .Values.readinessProbe | nindent 12 }}
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startupProbe:
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{{- toYaml .Values.startupProbe | nindent 12 }}
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resources:
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{{- include "homeassistant.resources" .Values.resources | nindent 12 }}
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volumeMounts:
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- mountPath: /config/configuration.yaml
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subPath: configuration.yaml
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name: core-config
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- mountPath: /config/http-config.yaml
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subPath: http-config.yaml
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name: http-config
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- mountPath: /config/recorder-config.yaml
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subPath: recorder-config.yaml
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name: recorder-config
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- mountPath: /config
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name: hass-volume
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subPath: hass-config
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# Writable emptyDirs so the root filesystem can stay read-only:
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# s6-overlay needs /run, Home Assistant writes temp files to /tmp.
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- mountPath: /tmp
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name: tmp
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- mountPath: /run
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name: run
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volumes:
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- name: tmp
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emptyDir: {}
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- name: run
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emptyDir: {}
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- name: core-config
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secret:
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secretName: {{ .Release.Name }}-{{ .Chart.Name }}-config-secret
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items:
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- key: config
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path: configuration.yaml
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- name: http-config
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secret:
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secretName: {{ .Release.Name }}-{{ .Chart.Name }}-config-secret
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items:
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- key: http-config
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path: http-config.yaml
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- name: recorder-config
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secret:
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secretName: {{ .Release.Name }}-{{ .Chart.Name }}-config-secret
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items:
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- key: recorder-config
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path: recorder-config.yaml
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- name: hass-volume
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persistentVolumeClaim:
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claimName: {{ .Release.Name }}-{{ .Chart.Name }}-pvc
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# TODO: bind to local nodes |