init: Add Helm charts for oc-mongo, oc-mongo-express, and oc-catalog

arch/diagrams/src/oc-deploy.puml

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+@startuml Arch Diagram
+
+top to bottom direction
+
+component front as "oc-front" #MistyRose
+
+component api as "oc-api" #BlueViolet
+component auth as "oc-auth" #BlueViolet
+
+component catalog as "oc-catalog" #MistyRose
+component workspace as "oc-workspace" #MistyRose
+component workflow as "oc-workflow" #MistyRose
+component calendarIn as "oc-calendar-in" #MistyRose
+component calendarOut as "oc-calendar-out" #MistyRose
+component stat as "oc-status" #MistyRose
+
+component disco as "oc-discovery" #MistyRose
+component agg as "oc-aggregator" #MistyRose
+
+component scheduler as "oc-scheduler" #LightYellow
+component monitor as "oc-monitor" #LightYellow
+
+database rd as "Nats" #Green
+database zn as "Zinc" #Green
+database loki as "Loki" #Green
+database mongo as "MongoDB" #Green
+database nats as "Nats" #Green
+
+front -- api
+
+api -- auth : auth user
+api -- catalog : local search
+api -- workspace : store user data
+api -- workflow
+api -- calendarIn
+api -- calendarOut
+api -- stat
+
+catalog -- disco
+catalog -- agg
+
+scheduler -- monitor
+scheduler -- catalog
+
+rd -- scheduler
+loki -- monitor
+
+catalog -- mongo  : store resources available for users
+workspace -- mongo  : store resources allocated to a workspace
+workflow -- mongo  : store workflow 
+calendarOut -- mongo  : store booking informations for this dc
+
+@enduml

arch/diagrams/src/oc-mongo.puml

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+@startuml
+skinparam componentStyle rectangle
+
+node "Kubernetes Cluster" {
+  ' MongoDB service and statefulset
+
+  cloud "Service: mongo" as mongo_service {
+    mongo_service : Type: ClusterIP
+    mongo_service : Internal Port: 27017
+  }
+
+  ' MongoDB StatefulSet with PVC and PV
+
+  node "StatefulSet: MongoDB" as mongo_statefulset {
+    component " Pod: MongoDB" as mongo_pod{
+    component "Container: MongoDB" as mongo_container {
+      mongo_container : Image: mongo:latest
+      mongo_container : PullPolicy: IfNotPresent
+      mongo_container : Exposed Port: 27017
+      mongo_container : Volume Mount: /data/db
+      mongo_container : Volume Mount: /data/configdb
+      mongo_container : Secret: username, password (base64)
+    }
+  }
+
+    storage "PersistentVolumeClaim: mongo-pvc" as mongo_PVC {
+      mongo_pvc : Access Mode: ReadWriteOnce
+      mongo_pvc : Size: 1Gi
+      mongo_pvc : Storage Class: {{ .Values.persistence.storageClass }}
+    }
+  }
+
+  storage "PersistentVolume: PV" as mongo_PV {
+        mongo_pv : Bound to PVC: mongo-pvc
+      }
+  mongo_service --> mongo_statefulset : Routes traffic to MongoDB StatefulSet
+  mongo_pod --> mongo_PVC : Mounted Persistent Volume Claim
+  mongo_pvc --> mongo_PV : Bound Persistent Volume
+}
+@enduml

oc-deploy/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

oc-deploy/Chart.lock

@@ -0,0 +1,12 @@
+dependencies:
+- name: oc-mongo
+  repository: file://../oc-mongo
+  version: 0.1.0
+- name: oc-mongo-express
+  repository: file://../oc-mongo-express
+  version: 0.1.0
+- name: oc-catalog
+  repository: file://../oc-catalog
+  version: 0.1.0
+digest: sha256:036af8acf7fe0a73f039776d13f63aeb7530e7a8b0febb49fd5e8415ac6672c6
+generated: "2024-08-27T14:34:41.6038407+02:00"

oc-deploy/Chart.yaml

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+apiVersion: v2
+name: oc-deploy
+description: A Helm chart to deploy oc-mongo, oc-mongo-express, and oc-catalog together
+version: 0.1.0
+dependencies:
+  - name: oc-mongo
+    version: 0.1.0
+    repository: "file://../oc-mongo"
+  - name: oc-mongo-express
+    version: 0.1.0
+    repository: "file://../oc-mongo-express"
+  - name: oc-catalog
+    version: 0.1.0
+    repository: "file://../oc-catalog"

oc-deploy/charts/oc-catalog/Chart.yaml

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+apiVersion: v2
+name: oc-catalog
+description: A Helm chart for deploying the oc-catalog application
+version: 0.1.0
+appVersion: "1.0"

oc-deploy/charts/oc-catalog/templates/service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: oc-catalog
+spec:
+  selector:
+    app: {{ .Chart.Name }}
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+  type: {{ .Values.service.type }}

oc-deploy/charts/oc-catalog/templates/statefulset.yml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ .Release.Name }}-oc-catalog
+  labels:
+    app: oc-catalog
+spec:
+  serviceName: "oc-catalog"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: oc-catalog
+  template:
+    metadata:
+      labels:
+        app: oc-catalog
+    spec:
+      containers:
+      - name: oc-catalog
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: 8080
+        env:
+        - name: MONGO_DATABASE
+          value: "DC_myDC"
+        - name: MONGO_URI
+          value: "mongodb://{{ .Release.Name }}-mongo:27017"
+      imagePullSecrets:
+      {{- if .Values.imagePullSecrets }}
+      {{- range .Values.imagePullSecrets }}
+        - name: {{ .name }}
+      {{- end }}
+      {{- end }}

oc-deploy/charts/oc-catalog/values.yaml

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+replicaCount: 1
+
+image:
+  repository: registry.dev.svc.cluster.local:5000/oc-catalog
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  type: NodePort
+  port: 8087
+  targetPort: 8080
+
+mongo:
+  database: DC_myDC
+  uri: mongodb://oc-deploy-mongo:27017
+
+imagePullSecrets:
+  - name: regcred
+

oc-deploy/charts/oc-mongo-express/Chart.yaml

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+apiVersion: v2
+name: oc-mongo-express
+description: A Helm chart for deploying mongo-express
+version: 0.1.0
+appVersion: "1.0"

oc-deploy/charts/oc-mongo-express/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: mongo-express
+spec:
+  selector:
+    app: mongo-express
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+  type: {{ .Values.service.type }}

oc-deploy/charts/oc-mongo-express/templates/statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ .Release.Name }}-mongo-express
+  labels:
+    app: mongo-express
+spec:
+  serviceName: "mongo-express"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: mongo-express
+  template:
+    metadata:
+      labels:
+        app: mongo-express
+    spec:
+      containers:
+      - name: mongo-express
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: {{ .Values.service.targetPort }}
+        env:
+        - name: ME_CONFIG_BASICAUTH_USERNAME
+          valueFrom:
+            secretKeyRef:
+              name: mongo-secret
+              key: {{ .Values.secret.usernameKey }}
+        - name: ME_CONFIG_BASICAUTH_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mongo-secret
+              key: {{ .Values.secret.passwordKey }}
+      imagePullSecrets:
+      {{- if .Values.imagePullSecrets }}
+      {{- range .Values.imagePullSecrets }}
+        - name: {{ .name }}
+      {{- end }}
+      {{- end }}

oc-deploy/charts/oc-mongo-express/values.yaml

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+replicaCount: 1
+
+image:
+  repository: mongo-express
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  port: 8081
+  targetPort: 8081
+  type: NodePort
+
+imagePullSecrets:
+  - name: my-registry-key
+
+secret:
+  usernameKey: mongo-username
+  passwordKey: mongo-password

oc-deploy/charts/oc-mongo/Chart.yaml

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+apiVersion: v2
+name: oc-mongo
+description: A Helm chart for deploying the oc-mongo component
+version: 0.1.0
+appVersion: "1.0"

oc-deploy/charts/oc-mongo/templates/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Values.persistence.name }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}

oc-deploy/charts/oc-mongo/templates/secret.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-mongo-secret
+type: Opaque
+data:
+  username: {{ .Values.secret.username }}
+  password: {{ .Values.secret.password }}

oc-deploy/charts/oc-mongo/templates/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongo
+spec:
+  selector:
+    app: mongo
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}

oc-deploy/charts/oc-mongo/templates/statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ .Release.Name }}-mongo
+  labels:
+    app: mongo
+spec:
+  serviceName: "mongo"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: mongo
+  template:
+    metadata:
+      labels:
+        app: mongo
+    spec:
+      containers:
+      - name: mongo
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: 27017
+        volumeMounts:
+        - name: mongo-persistent-storage
+          mountPath: /data/db
+        - name: mongo-persistent-storage
+          mountPath: /data/configdb
+      volumes:
+      - name: mongo-persistent-storage
+        persistentVolumeClaim:
+          claimName: {{ .Values.persistence.name }}

oc-deploy/charts/oc-mongo/values.yaml

@@ -0,0 +1,19 @@
+replicaCount: 1
+
+image:
+  repository: mongo
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  port: 27017
+
+persistence:
+  name: mongo-pvc-helm
+  enabled: true
+  accessMode: ReadWriteOnce
+  size: 1Gi
+
+secret:
+  username: dGVzdA==  # base64 encoding of 'test'
+  password: dGVzdA==  # base64 encoding of 'test'

oc-deploy/values.yaml

@@ -0,0 +1,48 @@
+oc-mongo:
+  replicaCount: 1
+  image:
+    repository: registry.dev.svc.cluster.local:5000/mongo
+    tag: latest
+    pullPolicy: IfNotPresent
+  service:
+    port: 27017
+  persistence:
+    name: mongo-pvc-helm
+    enabled: true
+    accessMode: ReadWriteOnce
+    size: 1Gi
+  secret:
+    username: dGVzdA==  # base64 encoding of 'test'
+    password: dGVzdA==  # base64 encoding of 'test'
+
+oc-mongo-express:
+  replicaCount: 1
+  image:
+    repository: registry.dev.svc.cluster.local:5000/mongo-express
+    tag: latest
+    pullPolicy: IfNotPresent
+  service:
+    port: 8081
+    targetPort: 8081
+    type: NodePort
+  imagePullSecrets:
+    - name: regcred
+  secret:
+    usernameKey: mongo-username
+    passwordKey: mongo-password
+
+oc-catalog:
+  replicaCount: 1
+  image:
+    repository: registry.dev.svc.cluster.local:5000/oc-catalog
+    tag: latest
+    pullPolicy: IfNotPresent
+  service:
+    type: NodePort
+    port: 8087
+    targetPort: 8080
+  mongo:
+    database: DC_myDC
+    uri: mongodb://oc-catalog-mongo:27017
+  imagePullSecrets:
+    - name: regcred

oc-grafana-helm/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: grafana
+description: A Helm chart for deploying the grafana service
+version: 0.1.0
+appVersion: "1.0"

oc-grafana-helm/templates/grafana-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: grafana
+  template:
+    metadata:
+      labels:
+        app: grafana
+    spec:
+      containers:
+        - name: grafana
+          image: grafana/grafana:7.5.0
+          ports:
+            - containerPort: 3000

oc-grafana-helm/templates/grafana-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  ports:
+    - port: 3000
+  selector:
+    app: grafana

oc-grafana-helm/values.yaml

@@ -0,0 +1,18 @@
+replicaCount: 1
+
+image:
+  repository: registry.dev.svc.cluster.local:5000/grafana/grafana
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  type: NodePort
+  port: 8087
+  targetPort: 8080
+
+mongo:
+  database: DC_myDC
+  uri: mongodb://mongo:27017
+
+imagePullSecrets:
+  - name: regcred

oc-mongo-express-helm/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: oc-mongo-express
+description: A Helm chart for deploying mongo-express
+version: 0.1.0
+appVersion: "1.0"

oc-mongo-express-helm/templates/deployment.yaml

@@ -0,0 +1,34 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: oc-catalog
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: oc-mongo-express
+  template:
+    metadata:
+      labels:
+        app: oc-mongo-express
+    spec:
+      containers:
+      - name: mongo-express
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: {{ .Values.service.port }}
+        env:
+        - name: ME_CONFIG_BASICAUTH_USERNAME
+          valueFrom:
+            secretKeyRef:
+              name: {{ .Values.env.secretName }}
+              key: {{ .Values.env.usernameSecret }}
+        - name: ME_CONFIG_BASICAUTH_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ .Values.env.secretName }}
+              key: {{ .Values.env.passwordSecret }}
+      imagePullSecrets:
+      {{- if .Values.imagePullSecrets }}
+        {{- toYaml .Values.imagePullSecrets | nindent 8 }}
+      {{- end }}

oc-mongo-express-helm/templates/service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-mongo-express
+spec:
+  selector:
+    app: mongo-express
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+  type: {{ .Values.service.type }}

oc-mongo-express-helm/values.yaml

@@ -0,0 +1,19 @@
+replicaCount: 1
+
+image:
+  repository: mongo-express
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  port: 8081
+  targetPort: 8081
+  type: NodePort
+
+imagePullSecrets:
+  - name: my-registry-key
+
+secret:
+  usernameKey: mongo-username
+  passwordKey: mongo-password
+  secretName: mongo-secret

oc-mongo-helm/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: oc-mongo
+description: A Helm chart for deploying the oc-mongo component
+version: 0.1.0
+appVersion: "1.0"

oc-mongo-helm/templates/pvc.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Values.mongo.pvcName }}
+  labels:
+    app: mongo
+    release: {{ .Release.Name }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClass }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+  {{- end }}

oc-mongo-helm/templates/secret.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-mongo-secret
+  labels:
+    app: mongo
+    release: {{ .Release.Name }}
+type: Opaque
+data:
+  username: {{ .Values.secret.username | b64enc }}
+  password: {{ .Values.secret.password | b64enc }}

oc-mongo-helm/templates/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  selector:
+    app: mongo
+  ports:
+    - protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.mongo.containerPort }}

oc-mongo-helm/templates/statefulset.yaml

@@ -0,0 +1,31 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  serviceName: "mongo"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: mongo
+  template:
+    metadata:
+      labels:
+        app: mongo
+    spec:
+      containers:
+      - name: mongo
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        ports:
+        - containerPort: 27017
+        volumeMounts:
+        - name: mongo-persistent-storage
+          mountPath: /data/db
+        - name: mongo-persistent-storage
+          mountPath: /data/configdb
+      volumes:
+      - name: mongo-persistent-storage
+        persistentVolumeClaim:
+          claimName: {{ .Values.persistence.name }}

oc-mongo-helm/values.yaml

@@ -0,0 +1,24 @@
+replicaCount: 1
+
+image:
+  repository: mongo
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  port: 27017
+
+persistence:
+  name: mongo-pvc-helm
+  enabled: true
+  accessMode: ReadWriteOnce
+  size: 1Gi
+  storageClass: ""
+
+secret:
+  username: dGVzdA==  # base64 encoding of 'test'
+  password: dGVzdA==  # base64 encoding of 'test'
+
+mongo:
+  containerPort: 27017
+  pvcName: mongo-pvc-helm

occhart/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

occhart/Chart.yaml

@@ -0,0 +1,24 @@
+apiVersion: v2
+name: occhart
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"

occhart/charts/dex/dex-deployment.yaml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dex
+  labels:
+    app: dex
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: dex
+  template:
+    metadata:
+      labels:
+        app: dex
+    spec:
+      containers:
+        - name: dex
+          image: quay.io/dexidp/dex:v2.27.0
+          ports:
+            - containerPort: 5556
+          args:
+            - serve
+            - /etc/dex/cfg/config.yaml
+          volumeMounts:
+            - mountPath: /etc/dex/cfg
+              name: config
+      volumes:
+        - name: config
+          configMap:
+            name: dex-config
+  

occhart/charts/dex/dex-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: dex
+  labels:
+    app: dex
+spec:
+  ports:
+    - port: 5556
+  selector:
+    app: dex

occhart/charts/grafana/grafana-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: grafana
+  template:
+    metadata:
+      labels:
+        app: grafana
+    spec:
+      containers:
+        - name: grafana
+          image: grafana/grafana:7.5.0
+          ports:
+            - containerPort: 3000

occhart/charts/grafana/grafana-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  ports:
+    - port: 3000
+  selector:
+    app: grafana

occhart/charts/ldap/ldap-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ldap
+  labels:
+    app: ldap
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ldap
+  template:
+    metadata:
+      labels:
+        app: ldap
+    spec:
+      containers:
+        - name: ldap
+          image: osixia/openldap:1.5.0
+          ports:
+            - containerPort: 389

occhart/charts/ldap/ldap-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ldap
+  labels:
+    app: ldap
+spec:
+  ports:
+    - port: 389
+  selector:
+    app: ldap

occhart/charts/loki/loki-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: loki
+  labels:
+    app: loki
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: loki
+  template:
+    metadata:
+      labels:
+        app: loki
+    spec:
+      containers:
+        - name: loki
+          image: grafana/loki:2.2.0
+          ports:
+            - containerPort: 3100

occhart/charts/loki/loki-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: loki
+  labels:
+    app: loki
+spec:
+  ports:
+    - port: 3100
+  selector:
+    app: loki

occhart/charts/mongo/mongo-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mongo
+  template:
+    metadata:
+      labels:
+        app: mongo
+    spec:
+      containers:
+        - name: mongo
+          image: mongo:4.4
+          ports:
+            - containerPort: 27017

occhart/charts/mongo/mongo-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongo
+  labels:
+    app: mongo
+spec:
+  ports:
+    - port: 27017
+  selector:
+    app: mongo

occhart/charts/nats/nats-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nats
+  labels:
+    app: nats
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: nats
+  template:
+    metadata:
+      labels:
+        app: nats
+    spec:
+      containers:
+        - name: nats
+          image: nats:2.1.9
+          ports:
+            - containerPort: 4222

occhart/charts/nats/nats-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: nats
+  labels:
+    app: nats
+spec:
+  ports:
+    - port: 4222
+  selector:
+    app: nats

occhart/charts/traefik/traefik-deployment.yaml

@@ -0,0 +1,37 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: traefik
+  labels:
+    app: traefik
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: traefik
+  template:
+    metadata:
+      labels:
+        app: traefik
+    spec:
+      containers:
+        - name: traefik
+          image: traefik:v2.4
+          ports:
+            - name: web
+              containerPort: 80
+            - name: admin
+              containerPort: 8080
+          args:
+            - --entrypoints.web.address=:80
+            - --entrypoints.websecure.address=:443
+            - --providers.kubernetescrd
+            - --api
+          volumeMounts:
+            - mountPath: /etc/traefik
+              name: traefik-config
+      volumes:
+        - name: traefik-config
+          configMap:
+            name: traefik-config
+

occhart/charts/traefik/traefik-ingress.yaml

@@ -0,0 +1,81 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: traefik-ingress
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+    - host: <your-domain>
+      http:
+        paths:
+          - path: /front
+            pathType: Prefix
+            backend:
+              service:
+                name: front-service
+                port:
+                  number: 80
+          - path: /back1
+            pathType: Prefix
+            backend:
+              service:
+                name: back1-service
+                port:
+                  number: 80
+          - path: /back2
+            pathType: Prefix
+            backend:
+              service:
+                name: back2-service
+                port:
+                  number: 80
+          - path: /mongo
+            pathType: Prefix
+            backend:
+              service:
+                name: mongo
+                port:
+                  number: 27017
+          - path: /nats
+            pathType: Prefix
+            backend:
+              service:
+                name: nats
+                port:
+                  number: 4222
+          - path: /zinc
+            pathType: Prefix
+            backend:
+              service:
+                name: zinc
+                port:
+                  number: 4080
+          - path: /dex
+            pathType: Prefix
+            backend:
+              service:
+                name: dex
+                port:
+                  number: 5556
+          - path: /ldap
+            pathType: Prefix
+            backend:
+              service:
+                name: ldap
+                port:
+                  number: 389
+          - path: /grafana
+            pathType: Prefix
+            backend:
+              service:
+                name: grafana
+                port:
+                  number: 3000
+          - path: /loki
+            pathType: Prefix
+            backend:
+              service:
+                name: loki
+                port:
+                  number: 3100

occhart/charts/traefik/traefik-service.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: traefik
+  labels:
+    app: traefik
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 80
+      name: web
+      targetPort: 80
+    - port: 8080
+      name: admin
+      targetPort: 8080
+  selector:
+    app: traefik

occhart/charts/zinc/zinc-deployment.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: zinc
+  labels:
+    app: zinc
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: zinc
+  template:
+    metadata:
+      labels:
+        app: zinc
+    spec:
+      containers:
+        - name: zinc
+          image: public.ecr.aws/zinclabs/zinc:latest
+          ports:
+            - containerPort: 4080

occhart/charts/zinc/zinc-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: zinc
+  labels:
+    app: zinc
+spec:
+  ports:
+    - port: 4080
+  selector:
+    app: zinc

occhart/templates/NOTES.txt

@@ -0,0 +1,22 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "occhart.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "occhart.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "occhart.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "occhart.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+{{- end }}

occhart/templates/_helpers.tpl

@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "occhart.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "occhart.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "occhart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "occhart.labels" -}}
+helm.sh/chart: {{ include "occhart.chart" . }}
+{{ include "occhart.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "occhart.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "occhart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "occhart.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "occhart.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

occhart/templates/deployment.yaml

@@ -0,0 +1,68 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "occhart.fullname" . }}
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "occhart.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "occhart.labels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "occhart.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- with .Values.volumeMounts }}
+          volumeMounts:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with .Values.volumes }}
+      volumes:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

occhart/templates/hpa.yaml

@@ -0,0 +1,32 @@
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "occhart.fullname" . }}
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "occhart.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

occhart/templates/ingress.yaml

@@ -0,0 +1,61 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "occhart.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
+  {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
+  {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
+  {{- end }}
+{{- end }}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ .secretName }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+            pathType: {{ .pathType }}
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
+{{- end }}

occhart/templates/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "occhart.fullname" . }}
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "occhart.selectorLabels" . | nindent 4 }}

occhart/templates/serviceaccount.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "occhart.serviceAccountName" . }}
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}

occhart/templates/tests/test-connection.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "occhart.fullname" . }}-test-connection"
+  labels:
+    {{- include "occhart.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['{{ include "occhart.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never

occhart/values.yaml

@@ -0,0 +1,107 @@
+# Default values for occhart.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: nginx
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Automatically mount a ServiceAccount's API credentials?
+  automount: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+podAnnotations: {}
+podLabels: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 80
+
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: chart-example.local
+      paths:
+        - path: /
+          pathType: ImplementationSpecific
+  tls: []
+  #  - secretName: chart-example-tls
+  #    hosts:
+  #      - chart-example.local
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+livenessProbe:
+  httpGet:
+    path: /
+    port: http
+readinessProbe:
+  httpGet:
+    path: /
+    port: http
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+# Additional volumes on the output Deployment definition.
+volumes: []
+# - name: foo
+#   secret:
+#     secretName: mysecret
+#     optional: false
+
+# Additional volumeMounts on the output Deployment definition.
+volumeMounts: []
+# - name: foo
+#   mountPath: "/etc/foo"
+#   readOnly: true
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}