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charts/bitnami/jupyterhub/templates/hub/deployment.yaml

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{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
kind: Deployment
metadata:
name: {{ include "jupyterhub.hub.name" . }}
namespace: {{ .Release.Namespace | quote }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
app.kubernetes.io/component: hub
{{- if .Values.commonAnnotations }}
annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
{{- end }}
spec:
{{- if .Values.hub.updateStrategy }}
strategy: {{- toYaml .Values.hub.updateStrategy | nindent 4 }}
{{- end }}
{{- $podLabels := merge .Values.hub.podLabels .Values.commonLabels }}
selector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
app.kubernetes.io/component: hub
template:
metadata:
annotations:
{{- if .Values.hub.podAnnotations }}
{{- include "common.tplvalues.render" ( dict "value" .Values.hub.podAnnotations "context" $ ) | nindent 8 }}
{{- end }}
{{- if empty .Values.hub.existingConfigmap }}
checksum/hub-config: {{ include (print $.Template.BasePath "/hub/configmap.yaml") . | sha256sum }}
{{- end }}
{{- if empty .Values.hub.existingSecret }}
checksum/hub-secret: {{ include (print $.Template.BasePath "/hub/secret.yaml") . | sha256sum }}
{{- end }}
labels: {{- include "common.labels.standard" ( dict "customLabels" $podLabels "context" $ ) | nindent 8 }}
app.kubernetes.io/component: hub
hub.jupyter.org/network-access-proxy-api: "true"
hub.jupyter.org/network-access-proxy-http: "true"
hub.jupyter.org/network-access-singleuser: "true"
spec:
serviceAccountName: {{ template "jupyterhub.hubServiceAccountName" . }}
{{- include "jupyterhub.imagePullSecrets" . | nindent 6 }}
{{- if .Values.hub.hostAliases }}
hostAliases: {{- include "common.tplvalues.render" (dict "value" .Values.hub.hostAliases "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.hub.affinity }}
affinity: {{- include "common.tplvalues.render" ( dict "value" .Values.hub.affinity "context" $) | nindent 8 }}
{{- else }}
affinity:
podAffinity: {{- include "common.affinities.pods" (dict "type" .Values.hub.podAffinityPreset "component" "hub" "customLabels" $podLabels "context" $) | nindent 10 }}
podAntiAffinity: {{- include "common.affinities.pods" (dict "type" .Values.hub.podAntiAffinityPreset "component" "hub" "customLabels" $podLabels "context" $) | nindent 10 }}
nodeAffinity: {{- include "common.affinities.nodes" (dict "type" .Values.hub.nodeAffinityPreset.type "key" .Values.hub.nodeAffinityPreset.key "values" .Values.hub.nodeAffinityPreset.values) | nindent 10 }}
{{- end }}
{{- if .Values.hub.nodeSelector }}
nodeSelector: {{- include "common.tplvalues.render" ( dict "value" .Values.hub.nodeSelector "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.hub.tolerations }}
tolerations: {{- include "common.tplvalues.render" (dict "value" .Values.hub.tolerations "context" .) | nindent 8 }}
{{- end }}
{{- if .Values.hub.topologySpreadConstraints }}
topologySpreadConstraints: {{- include "common.tplvalues.render" (dict "value" .Values.hub.topologySpreadConstraints "context" .) | nindent 8 }}
{{- end }}
{{- if .Values.hub.priorityClassName }}
priorityClassName: {{ .Values.hub.priorityClassName | quote }}
{{- end }}
{{- if .Values.hub.schedulerName }}
schedulerName: {{ .Values.hub.schedulerName }}
{{- end }}
{{- if .Values.hub.podSecurityContext.enabled }}
securityContext: {{- omit .Values.hub.podSecurityContext "enabled" | toYaml | nindent 8 }}
{{- end }}
{{- if .Values.hub.terminationGracePeriodSeconds }}
terminationGracePeriodSeconds: {{ .Values.hub.terminationGracePeriodSeconds }}
{{- end }}
initContainers:
{{- if .Values.postgresql.enabled }}
# NOTE: The value postgresql.image is not available unless postgresql.enabled is not set. We could change this to use os-shell if
# it had the binary wait-for-port.
# This init container is for avoiding CrashLoopback errors in the Hub container because the PostgreSQL container is not ready
- name: wait-for-db
image: {{ include "common.images.image" (dict "imageRoot" .Values.postgresql.image "global" .Values.global) }}
imagePullPolicy: {{ .Values.postgresql.image.pullPolicy }}
command:
- /bin/bash
args:
- -ec
- |
#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
. /opt/bitnami/scripts/libos.sh
. /opt/bitnami/scripts/liblog.sh
. /opt/bitnami/scripts/libpostgresql.sh
check_postgresql_connection() {
echo "SELECT 1" | postgresql_remote_execute "$POSTGRESQL_CLIENT_DATABASE_HOST" "$POSTGRESQL_CLIENT_DATABASE_PORT_NUMBER" "$POSTGRESQL_CLIENT_DATABASE_NAME" "$POSTGRESQL_CLIENT_POSTGRES_USER" "$POSTGRESQL_CLIENT_CREATE_DATABASE_PASSWORD"
}
info "Connecting to the PostgreSQL instance $POSTGRESQL_CLIENT_DATABASE_HOST:$POSTGRESQL_CLIENT_DATABASE_PORT_NUMBER"
if ! retry_while "check_postgresql_connection"; then
error "Could not connect to the database server"
return 1
else
info "Connected to the PostgreSQL instance"
fi
{{- if .Values.hub.containerSecurityContext.enabled }}
securityContext: {{- omit .Values.hub.containerSecurityContext "enabled" | toYaml | nindent 12 }}
{{- end }}
env:
- name: POSTGRESQL_CLIENT_DATABASE_HOST
value: {{ ternary (include "jupyterhub.postgresql.fullname" .) .Values.externalDatabase.host .Values.postgresql.enabled }}
- name: POSTGRESQL_CLIENT_DATABASE_NAME
value: {{ ternary .Values.postgresql.auth.database .Values.externalDatabase.port .Values.postgresql.enabled }}
- name: POSTGRESQL_CLIENT_DATABASE_PORT_NUMBER
value: {{ ternary "5432" .Values.externalDatabase.port .Values.postgresql.enabled | quote }}
- name: POSTGRESQL_CLIENT_CREATE_DATABASE_PASSWORD
valueFrom:
secretKeyRef:
name: {{ include "jupyterhub.databaseSecretName" . }}
key: {{ include "jupyterhub.databaseSecretKey" . }}
- name: POSTGRESQL_CLIENT_POSTGRES_USER
value: {{ ternary .Values.postgresql.auth.username .Values.externalDatabase.host .Values.postgresql.enabled | quote }}
{{- end }}
{{- if .Values.hub.initContainers }}
{{- include "common.tplvalues.render" (dict "value" .Values.hub.initContainers "context" $) | nindent 8 }}
{{- end }}
containers:
- name: hub
image: {{ template "jupyterhub.hub.image" . }}
imagePullPolicy: {{ .Values.hub.image.pullPolicy }}
{{- if .Values.hub.lifecycleHooks }}
lifecycle: {{- include "common.tplvalues.render" (dict "value" .Values.hub.lifecycleHooks "context" $) | nindent 12 }}
{{- end }}
{{- if .Values.hub.containerSecurityContext.enabled }}
securityContext: {{- omit .Values.hub.containerSecurityContext "enabled" | toYaml | nindent 12 }}
{{- end }}
{{- if .Values.diagnosticMode.enabled }}
command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 12 }}
{{- else if .Values.hub.command }}
command: {{- include "common.tplvalues.render" (dict "value" .Values.hub.command "context" $) | nindent 12 }}
{{- else }}
command:
- jupyterhub
{{- end }}
{{- if .Values.diagnosticMode.enabled }}
args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 12 }}
{{- else if .Values.hub.args }}
args: {{- include "common.tplvalues.render" (dict "value" .Values.hub.args "context" $) | nindent 12 }}
{{- else }}
args:
- --config
- /etc/jupyterhub/jupyterhub_config.py
{{- if .Values.hub.image.debug }}
- --debug
{{- end }}
- --upgrade-db
{{- end }}
ports:
- name: http
containerPort: {{ coalesce .Values.hub.containerPorts.http .Values.hub.containerPort }}
env:
- name: PYTHONUNBUFFERED
value: "1"
- name: HELM_RELEASE_NAME
value: {{ .Release.Name | quote }}
- name: PROXY_API_SERVICE_PORT
value: {{ coalesce .Values.proxy.service.api.ports.http .Values.proxy.service.api.port | quote }}
- name: HUB_SERVICE_PORT
value: {{ coalesce .Values.hub.service.ports.http .Values.hub.service.port | quote }}
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: CONFIGPROXY_AUTH_TOKEN
valueFrom:
secretKeyRef:
name: {{ include "jupyterhub.hubSecretName" . }}
key: proxy-token
- name: PGPASSWORD
valueFrom:
secretKeyRef:
name: {{ include "jupyterhub.databaseSecretName" . }}
key: {{ include "jupyterhub.databaseSecretKey" . }}
{{- if .Values.hub.extraEnvVars }}
{{- include "common.tplvalues.render" (dict "value" .Values.hub.extraEnvVars "context" $) | nindent 12 }}
{{- end }}
envFrom:
{{- if .Values.hub.extraEnvVarsCM }}
- configMapRef:
name: {{ include "common.tplvalues.render" (dict "value" .Values.hub.extraEnvVarsCM "context" $) }}
{{- end }}
{{- if .Values.hub.extraEnvVarsSecret }}
- secretRef:
name: {{ include "common.tplvalues.render" (dict "value" .Values.hub.extraEnvVarsSecret "context" $) }}
{{- end }}
{{- if .Values.hub.resources }}
resources: {{- toYaml .Values.hub.resources | nindent 12 }}
{{- end }}
{{- if not .Values.diagnosticMode.enabled }}
{{- if .Values.hub.customStartupProbe }}
startupProbe: {{- include "common.tplvalues.render" (dict "value" .Values.hub.customStartupProbe "context" $) | nindent 12 }}
{{- else if .Values.hub.startupProbe.enabled }}
startupProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.hub.startupProbe "enabled") "context" $) | nindent 12 }}
httpGet:
path: {{ .Values.hub.baseUrl | trimSuffix "/" }}/hub/health
port: http
{{- end }}
{{- if .Values.hub.customLivenessProbe }}
livenessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.hub.customLivenessProbe "context" $) | nindent 12 }}
{{- else if .Values.hub.livenessProbe.enabled }}
livenessProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.hub.livenessProbe "enabled") "context" $) | nindent 12 }}
httpGet:
path: {{ .Values.hub.baseUrl | trimSuffix "/" }}/hub/health
port: http
{{- end }}
{{- if .Values.hub.customReadinessProbe }}
readinessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.hub.customReadinessProbe "context" $) | nindent 12 }}
{{- else if .Values.hub.readinessProbe.enabled }}
readinessProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.hub.readinessProbe "enabled") "context" $) | nindent 12 }}
httpGet:
path: {{ .Values.hub.baseUrl | trimSuffix "/" }}/hub/health
port: http
{{- end }}
{{- end }}
volumeMounts:
- mountPath: /etc/jupyterhub/jupyterhub_config.py
subPath: jupyterhub_config.py
name: config
- mountPath: /etc/jupyterhub/z2jh.py
subPath: z2jh.py
name: config
- mountPath: /usr/local/etc/jupyterhub/secret/
name: secret
{{- if .Values.hub.extraVolumeMounts }}
{{- include "common.tplvalues.render" (dict "value" .Values.hub.extraVolumeMounts "context" $) | nindent 12 }}
{{- end }}
{{- if .Values.hub.sidecars }}
{{- include "common.tplvalues.render" ( dict "value" .Values.hub.sidecars "context" $) | nindent 8 }}
{{- end }}
volumes:
- name: config
configMap:
name: {{ include "jupyterhub.hubConfigmapName" . }}
- name: secret
secret:
secretName: {{ include "jupyterhub.hubSecretName" . }}
{{- if .Values.hub.extraVolumes }}
{{- include "common.tplvalues.render" (dict "value" .Values.hub.extraVolumes "context" $) | nindent 8 }}
{{- end }}
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