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https://github.com/fluxerapp/fluxer
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feat(deploy): add helm charts for the fluxer services (#3082)
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Hampus authored and GitHub committed
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@@ -0,0 +1,203 @@
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{{- define "fluxer-svc.chart" -}}
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{{ printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" }}
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{{- end }}
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{{- define "fluxer-svc.selectorLabels" -}}
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app.kubernetes.io/name: {{ .name }}
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app.kubernetes.io/instance: {{ .root.Release.Name }}
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{{- end }}
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{{- define "fluxer-svc.labels" -}}
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{{ include "fluxer-svc.selectorLabels" . }}
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app.kubernetes.io/component: {{ .mode }}
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app.kubernetes.io/part-of: fluxer
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app.kubernetes.io/managed-by: {{ .root.Release.Service }}
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helm.sh/chart: {{ include "fluxer-svc.chart" .root }}
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{{- end }}
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{{- define "fluxer-svc.envValue" -}}
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{{- if and (kindIs "float64" .) (eq . (float64 (int64 .))) -}}
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{{- int64 . | toString -}}
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{{- else -}}
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{{- toString . -}}
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{{- end -}}
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{{- end }}
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{{- define "fluxer-svc.mergeEnv" -}}
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{{- $out := dict -}}
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{{- range $layer := . -}}
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{{- range $k, $v := ($layer | default dict) -}}
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{{- if kindIs "invalid" $v -}}
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{{- $_ := unset $out $k -}}
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{{- else -}}
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{{- $_ := set $out $k $v -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{- toYaml $out -}}
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{{- end }}
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{{- define "fluxer-svc.topologySpreadConstraints" -}}
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{{- $out := list -}}
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{{- range .constraints -}}
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{{- if .labelSelector -}}
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{{- $out = append $out . -}}
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{{- else -}}
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{{- $out = append $out (merge (dict "labelSelector" (dict "matchLabels" $.selector)) .) -}}
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{{- end -}}
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{{- end -}}
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{{- toYaml $out -}}
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{{- end }}
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{{- define "fluxer-svc.pdb" -}}
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{{- $out := dict -}}
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{{- range $k := list "minAvailable" "maxUnavailable" -}}
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{{- if and (hasKey $ $k) (not (kindIs "invalid" (index $ $k))) -}}
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{{- $_ := set $out $k (index $ $k) -}}
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{{- end -}}
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{{- end -}}
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{{- toYaml $out -}}
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{{- end }}
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{{- define "fluxer-svc.config" -}}
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{{- $v := .root.Values -}}
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{{- $levels := list (index $v .mode) (index .svc .mode) -}}
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{{- $c := dict "extraEnv" ($v.extraEnv | default list) "envFrom" ($v.envFrom | default list) "podAnnotations" (deepCopy ($v.podAnnotations | default dict)) "probes" (deepCopy ($v.probes | default dict)) "image" (deepCopy (.svc.image | default dict)) -}}
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{{- range $k := list "imagePullSecrets" "podSecurityContext" "securityContext" "topologySpreadConstraints" "nodeSelector" "tolerations" "affinity" (ternary "updateStrategy" "strategy" (eq .mode "shard")) -}}
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{{- $_ := set $c $k (index $v $k) -}}
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{{- end -}}
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{{- $envLayers := list $v.env -}}
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{{- range $level := $levels -}}
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{{- range $k, $x := ($level | default dict) -}}
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{{- if eq $k "env" -}}
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{{- $envLayers = append $envLayers $x -}}
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{{- else if has $k (list "podAnnotations" "image") -}}
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{{- $_ := set $c $k (mergeOverwrite (index $c $k) (deepCopy ($x | default dict))) -}}
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{{- else if has $k (list "extraEnv" "envFrom") -}}
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{{- $_ := set $c $k (concat (index $c $k) ($x | default list)) -}}
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{{- else if eq $k "probes" -}}
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{{- range $name, $p := ($x | default dict) -}}
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{{- $_ := set $c.probes $name $p -}}
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{{- end -}}
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{{- else -}}
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{{- $_ := set $c $k $x -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{- $_ := set $c "env" (include "fluxer-svc.mergeEnv" $envLayers | fromYaml) -}}
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{{- toYaml $c }}
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{{- end }}
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{{- define "fluxer-svc.image" -}}
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{{- $g := .root.Values.image -}}
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{{- $i := .c.image -}}
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{{- $repo := $i.repository | default (printf "%s/%s" $g.registry ($i.name | default (printf "fluxer-%s" .service))) -}}
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{{- $ref := printf "%s:%s" $repo ($i.tag | default $g.tag) -}}
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{{- with $i.digest }}{{ $ref = printf "%s@%s" $ref . }}{{ end -}}
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{{- $ref -}}
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{{- end }}
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{{- define "fluxer-svc.pod" -}}
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{{- $v := .root.Values -}}
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{{- $c := .c -}}
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metadata:
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{{- with $c.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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labels:
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{{- include "fluxer-svc.labels" . | nindent 4 }}
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spec:
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{{- with $c.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with $c.podSecurityContext }}
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securityContext:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- if not (kindIs "invalid" $c.terminationGracePeriodSeconds) }}
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terminationGracePeriodSeconds: {{ $c.terminationGracePeriodSeconds | int64 }}
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{{- end }}
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{{- with $c.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with $c.tolerations }}
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tolerations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with $c.affinity }}
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affinity:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with $c.topologySpreadConstraints }}
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topologySpreadConstraints:
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{{- include "fluxer-svc.topologySpreadConstraints" (dict "constraints" . "selector" (include "fluxer-svc.selectorLabels" $ | fromYaml)) | nindent 4 }}
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{{- end }}
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containers:
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- name: {{ .mode }}
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image: {{ include "fluxer-svc.image" . | quote }}
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imagePullPolicy: {{ $c.image.pullPolicy | default $v.image.pullPolicy }}
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env:
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- name: FLUXER_SVC_MODE
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value: {{ .mode | quote }}
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- name: FLUXER_SVC_NAME
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value: {{ .service | quote }}
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- name: FLUXER_SVC_SHARD_COUNT
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value: {{ .shardCount | quote }}
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- name: FLUXER_SVC_PORT
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value: {{ include "fluxer-svc.envValue" $v.port | quote }}
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{{- if not (kindIs "invalid" $c.buildVersion) }}
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- name: BUILD_VERSION
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value: {{ include "fluxer-svc.envValue" $c.buildVersion | quote }}
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{{- end }}
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{{- if eq .mode "shard" }}
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- name: POD_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: metadata.name
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{{- end }}
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{{- range $name, $value := $c.env }}
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- name: {{ $name }}
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value: {{ include "fluxer-svc.envValue" $value | quote }}
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{{- end }}
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{{- with $c.extraEnv }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with $c.envFrom }}
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envFrom:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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ports:
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- name: http
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containerPort: {{ $v.port }}
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protocol: TCP
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{{- with $c.lifecycle }}
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lifecycle:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- range $name := list "startup" "liveness" "readiness" }}
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{{- with index $c.probes $name }}
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{{ $name }}Probe:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- with $c.resources }}
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resources:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with $c.securityContext }}
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securityContext:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with $c.extraVolumeMounts }}
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volumeMounts:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with $c.extraVolumes }}
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volumes:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end }}
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