Add helm chart to deploy on k8s/openshift

helm/dcm/Chart.yaml

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+apiVersion: v2
+name: dcm
+description: DCM API Gateway and managers for Kubernetes and OpenShift
+type: application
+version: 0.1.0
+appVersion: "main"
+keywords:
+  - dcm
+  - api-gateway

helm/dcm/README.md

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+# DCM Helm Chart
+
+## Prerequisites
+
+- Kubernetes 1.24+ or OpenShift 4.12+
+- Helm 3.x
+- A default StorageClass configured in the cluster (for PostgreSQL and NATS persistent volumes)
+
+## Quick Start
+
+Install all the components with a kubernetes provider using default namespace.
+
+### OpenShift
+
+```bash
+helm install dcm helm/dcm \
+  --set k8sContainerServiceProvider.enabled=true \
+  --set k8sContainerServiceProvider.namespace=default
+```
+
+OpenShift Routes are enabled by default for the API gateway and DCM UI.
+
+### Kubernetes
+
+```bash
+helm install dcm helm/dcm \
+  --set gateway.route.enabled=false \
+  --set dcmUi.route.enabled=false
+  --set k8sContainerServiceProvider.enabled=true \
+  --set k8sContainerServiceProvider.namespace=default
+```
+
+Access via port-forward:
+
+```bash
+kubectl port-forward svc/dcm-gateway 9080:9080
+kubectl port-forward svc/dcm-dcm-ui 7007:7007
+```
+
+Then open:
+- API Gateway: http://localhost:9080
+- DCM UI: http://localhost:7007
+
+## Enabling Service Providers
+
+### KubeVirt Service Provider
+
+Manages virtual machines via KubeVirt.
+
+```bash
+helm upgrade dcm helm/dcm --reuse-values \
+  --set kubevirtServiceProvider.enabled=true \
+  --set kubevirtServiceProvider.namespace=default
+```
+
+### ACM Cluster Service Provider
+
+Manages clusters via Red Hat Advanced Cluster Management.
+
+```bash
+helm upgrade dcm helm/dcm --reuse-values \
+  --set acmClusterServiceProvider.enabled=true \
+  --set acmClusterServiceProvider.namespace=default \
+  --set acmClusterServiceProvider.baseDomain=example.com
+```
+
+### Three-Tier Demo Service Provider
+
+A demo provider for a three-tier application. Requires the Kubernetes Container Service Provider to also be enabled.
+
+```bash
+helm upgrade dcm helm/dcm --reuse-values \
+  --set k8sContainerServiceProvider.enabled=true \
+  --set threeTierDemoServiceProvider.enabled=true
+```
+
+## Uninstall
+
+```bash
+helm uninstall dcm
+```
+
+Note: PersistentVolumeClaims for PostgreSQL and NATS are not deleted automatically. To remove them:
+
+```bash
+kubectl delete pvc -l app.kubernetes.io/instance=dcm
+```

helm/dcm/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "dcm.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Fullname helper.
+*/}}
+{{- define "dcm.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 }}
+
+{{/*
+Common labels.
+*/}}
+{{- define "dcm.labels" -}}
+helm.sh/chart: {{ include "dcm.name" . }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/part-of: dcm
+{{- end }}
+
+{{/*
+Selector labels for a component.
+Usage: {{ include "dcm.selectorLabels" (dict "context" . "component" "gateway") }}
+*/}}
+{{- define "dcm.selectorLabels" -}}
+app.kubernetes.io/name: {{ .component }}
+app.kubernetes.io/instance: {{ .context.Release.Name }}
+{{- end }}
+
+{{/*
+Resolve image tag: per-component tag > global.imageTag > "main"
+Usage: {{ include "dcm.imageTag" (dict "tag" .Values.serviceProviderManager.tag "global" .Values.global) }}
+*/}}
+{{- define "dcm.imageTag" -}}
+{{- default (default "main" .global.imageTag) .tag }}
+{{- end }}
+
+{{/*
+Init container that waits for postgres to be ready.
+Usage: {{ include "dcm.waitForPostgres" . | nindent 8 }}
+*/}}
+{{- define "dcm.waitForPostgres" -}}
+- name: wait-for-postgres
+  image: {{ .Values.postgres.image }}
+  command: ["sh", "-c", "until pg_isready -h {{ include "dcm.fullname" . }}-postgres -p 5432 -U {{ .Values.postgres.user }}; do echo 'Waiting for postgres...'; sleep 2; done"]
+{{- end }}

helm/dcm/templates/acm-cluster-service-provider.yaml

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+{{- if .Values.acmClusterServiceProvider.enabled }}
+{{- if .Values.acmClusterServiceProvider.kubeconfig }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "dcm.fullname" . }}-acm-cluster-kubeconfig
+  labels:
+    {{- include "dcm.labels" . | nindent 4 }}
+type: Opaque
+data:
+  kubeconfig: {{ .Values.acmClusterServiceProvider.kubeconfig | b64enc | quote }}
+---
+{{- end }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "dcm.fullname" . }}-acm-cluster-service-provider
+  labels:
+    {{- include "dcm.labels" . | nindent 4 }}
+    {{- include "dcm.selectorLabels" (dict "context" . "component" "acm-cluster-service-provider") | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "dcm.selectorLabels" (dict "context" . "component" "acm-cluster-service-provider") | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "dcm.selectorLabels" (dict "context" . "component" "acm-cluster-service-provider") | nindent 8 }}
+    spec:
+      containers:
+        - name: acm-cluster-service-provider
+          image: "{{ .Values.acmClusterServiceProvider.image }}:{{ include "dcm.imageTag" (dict "tag" .Values.acmClusterServiceProvider.tag "global" .Values.global) }}"
+          ports:
+            - containerPort: 8080
+              protocol: TCP
+          env:
+            - name: SP_NAME
+              value: {{ .Values.acmClusterServiceProvider.spName | quote }}
+            - name: SP_ENDPOINT
+              value: "http://{{ include "dcm.fullname" . }}-acm-cluster-service-provider:8080"
+            - name: DCM_REGISTRATION_URL
+              value: "http://{{ include "dcm.fullname" . }}-service-provider-manager:8080/api/v1alpha1"
+            - name: SP_NATS_URL
+              value: "nats://{{ include "dcm.fullname" . }}-nats:4222"
+            - name: SP_CLUSTER_NAMESPACE
+              value: {{ .Values.acmClusterServiceProvider.namespace | quote }}
+            {{- if .Values.acmClusterServiceProvider.baseDomain }}
+            - name: SP_BASE_DOMAIN
+              value: {{ .Values.acmClusterServiceProvider.baseDomain | quote }}
+            {{- end }}
+            {{- if .Values.acmClusterServiceProvider.pullSecret }}
+            - name: SP_PULL_SECRET
+              value: {{ .Values.acmClusterServiceProvider.pullSecret | quote }}
+            {{- end }}
+            {{- if .Values.acmClusterServiceProvider.defaultInfraEnv }}
+            - name: SP_DEFAULT_INFRA_ENV
+              value: {{ .Values.acmClusterServiceProvider.defaultInfraEnv | quote }}
+            {{- end }}
+            {{- if .Values.acmClusterServiceProvider.agentNamespace }}
+            - name: SP_AGENT_NAMESPACE
+              value: {{ .Values.acmClusterServiceProvider.agentNamespace | quote }}
+            {{- end }}
+            {{- if .Values.acmClusterServiceProvider.kubeconfig }}
+            - name: KUBECONFIG
+              value: /kubeconfig/kubeconfig
+            {{- end }}
+          {{- if .Values.acmClusterServiceProvider.kubeconfig }}
+          volumeMounts:
+            - name: kubeconfig
+              mountPath: /kubeconfig
+              readOnly: true
+          {{- end }}
+      {{- if .Values.acmClusterServiceProvider.kubeconfig }}
+      volumes:
+        - name: kubeconfig
+          secret:
+            secretName: {{ include "dcm.fullname" . }}-acm-cluster-kubeconfig
+      {{- end }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "dcm.fullname" . }}-acm-cluster-service-provider
+  labels:
+    {{- include "dcm.labels" . | nindent 4 }}
+spec:
+  selector:
+    {{- include "dcm.selectorLabels" (dict "context" . "component" "acm-cluster-service-provider") | nindent 4 }}
+  ports:
+    - port: 8080
+      targetPort: 8080
+      protocol: TCP
+{{- end }}

helm/dcm/templates/catalog-manager.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "dcm.fullname" . }}-catalog-manager
+  labels:
+    {{- include "dcm.labels" . | nindent 4 }}
+    {{- include "dcm.selectorLabels" (dict "context" . "component" "catalog-manager") | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "dcm.selectorLabels" (dict "context" . "component" "catalog-manager") | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "dcm.selectorLabels" (dict "context" . "component" "catalog-manager") | nindent 8 }}
+    spec:
+      initContainers:
+        {{- include "dcm.waitForPostgres" . | nindent 8 }}
+      containers:
+        - name: catalog-manager
+          image: "{{ .Values.catalogManager.image }}:{{ include "dcm.imageTag" (dict "tag" .Values.catalogManager.tag "global" .Values.global) }}"
+          ports:
+            - containerPort: 8080
+              protocol: TCP
+          envFrom:
+            - secretRef:
+                name: {{ include "dcm.fullname" . }}-db
+          env:
+            - name: DB_TYPE
+              value: pgsql
+            - name: DB_HOST
+              value: {{ include "dcm.fullname" . }}-postgres
+            - name: DB_PORT
+              value: "5432"
+            - name: DB_NAME
+              value: catalog-manager
+            - name: BIND_ADDRESS
+              value: ":8080"
+            - name: PLACEMENT_MANAGER_URL
+              value: "http://{{ include "dcm.fullname" . }}-placement-manager:8080"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "dcm.fullname" . }}-catalog-manager
+  labels:
+    {{- include "dcm.labels" . | nindent 4 }}
+spec:
+  selector:
+    {{- include "dcm.selectorLabels" (dict "context" . "component" "catalog-manager") | nindent 4 }}
+  ports:
+    - port: 8080
+      targetPort: 8080
+      protocol: TCP