Chart for Helm Manager

Issue-ID: NONRTRIC-551
Change-Id: I3cd28a97a66d59d3c82d2b5857c84a4762f45dd7
Signed-off-by: Lathish <lathishbabu.ganesan@est.tech>
diff --git a/helm-manager/.gitignore b/helm-manager/.gitignore
index 5e41250..577b116 100644
--- a/helm-manager/.gitignore
+++ b/helm-manager/.gitignore
@@ -1,4 +1,3 @@
-charts
 simple-app
 target
 *.tgz
diff --git a/helm-manager/LICENSE.txt b/helm-manager/LICENSE.txt
new file mode 100644
index 0000000..96589bf
--- /dev/null
+++ b/helm-manager/LICENSE.txt
@@ -0,0 +1,201 @@
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diff --git a/helm-manager/README.md b/helm-manager/README.md
new file mode 100644
index 0000000..c80bebe
--- /dev/null
+++ b/helm-manager/README.md
@@ -0,0 +1,23 @@
+## License
+Copyright (C) 2021 Nordix Foundation.
+Licensed under the Apache License, Version 2.0 (the "License")
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+For more information about license please see the [LICENSE](LICENSE.txt) file for details.
+
+## Helm Manager for Kubernetes
+The helm manager is a service for managing helm charts.  The service provides a REST API for onboarding of charts as well as installation and uninstallation of applications based on these charts.
+
+```bash
+$ helm package charts
+$ helm install helmmanager helmmanager-2.0.0.tgz --namespace nonrtric -f overridefile.yaml
+```
\ No newline at end of file
diff --git a/helm-manager/charts/Chart.yaml b/helm-manager/charts/Chart.yaml
new file mode 100644
index 0000000..db17c29
--- /dev/null
+++ b/helm-manager/charts/Chart.yaml
@@ -0,0 +1,21 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+apiVersion: v1
+description: The Helm Chart Manager
+name: helmmanager
+version: 2.0.0
+appVersion: "1.1.0"
diff --git a/helm-manager/charts/templates/_helpers.tpl b/helm-manager/charts/templates/_helpers.tpl
new file mode 100644
index 0000000..59a4ef2
--- /dev/null
+++ b/helm-manager/charts/templates/_helpers.tpl
@@ -0,0 +1,50 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+{{/*
+Create a default fully qualified app name.
+Truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+
+{{- define "helmmanager.fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "helmmanager.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "helmmanager.namespace" -}}
+{{- default .Release.Namespace .Values.namespace -}}
+{{- end -}}
+
+{{- define "helmmanager.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "helmmanager.labels" -}}
+app.kubernetes.io/name: {{ template "helmmanager.name" . }}
+helm.sh/chart: {{ template "helmmanager.chart" . }}
+app.kubernetes.io/instance: "{{ .Release.Name }}"
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end -}}
+
+{{- define "helmmanager.selectorLabels" -}}
+app.kubernetes.io/name: {{ template "helmmanager.name" . }}
+app.kubernetes.io/component: app
+app.kubernetes.io/instance: "{{ .Release.Name }}"
+{{- end -}}
\ No newline at end of file
diff --git a/helm-manager/charts/templates/_service.tpl b/helm-manager/charts/templates/_service.tpl
new file mode 100644
index 0000000..4c3cd7f
--- /dev/null
+++ b/helm-manager/charts/templates/_service.tpl
@@ -0,0 +1,34 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+{{- define "service.ports" -}}
+{{- if .http }}
+{{if eq .http.enabled true -}}
+- name: {{ .name }}-http
+  port: {{ .http.servicePort }}
+  targetPort: {{ .http.containerPort }}
+  protocol: TCP
+{{- end }}
+{{- end }}
+{{- if .tls }}
+{{if eq .tls.enabled true -}}
+- name: {{ .name }}-tls
+  port: {{ .tls.servicePort }}
+  targetPort: {{ .tls.containerPort }}
+  protocol: TCP
+{{- end }}
+{{- end }}
+{{- end -}}
\ No newline at end of file
diff --git a/helm-manager/charts/templates/deployment.yaml b/helm-manager/charts/templates/deployment.yaml
new file mode 100644
index 0000000..8296ca5
--- /dev/null
+++ b/helm-manager/charts/templates/deployment.yaml
@@ -0,0 +1,56 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: {{ template "helmmanager.name" . }}
+  namespace: {{ template "helmmanager.namespace" . }}
+  labels:
+    {{- include "helmmanager.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "helmmanager.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "helmmanager.selectorLabels" . | nindent 8 }}
+    spec:
+      serviceAccountName: {{ template "helmmanager.name" . }}-sa
+      containers:
+        - name: helmmanager
+          image: {{ .Values.image.registry }}/{{ .Values.image.name }}:{{ .Values.image.tag }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+          - containerPort: {{ .Values.service.http.containerPort }}
+            protocol: TCP
+          - containerPort: {{ .Values.service.tls.containerPort }}
+            protocol: TCP
+          volumeMounts:
+            - name: {{ template "helmmanager.name" . }}-pv
+              mountPath: /var/helm-manager-service
+          readinessProbe:
+{{ toYaml .Values.readinessProbe | indent 12 }}
+          livenessProbe:
+{{ toYaml .Values.livenessProbe | indent 12 }}
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+      volumes:
+      - name: {{ template "helmmanager.name" . }}-pv
+        persistentVolumeClaim:
+          claimName: {{ template "helmmanager.name" . }}-pvc
\ No newline at end of file
diff --git a/helm-manager/charts/templates/pv.yaml b/helm-manager/charts/templates/pv.yaml
new file mode 100644
index 0000000..eea8aca
--- /dev/null
+++ b/helm-manager/charts/templates/pv.yaml
@@ -0,0 +1,31 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: {{ template "helmmanager.name" . }}-pv
+  labels:
+    {{- include "helmmanager.labels" . | nindent 4 }}
+spec:
+  storageClassName: {{ .Values.pv.storageClass }}
+  capacity:
+    storage: {{ .Values.pv.capacity }}
+  accessModes:
+    - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Delete
+  hostPath:
+    path: "/tmp/helm-manager-service"
\ No newline at end of file
diff --git a/helm-manager/charts/templates/pvc.yaml b/helm-manager/charts/templates/pvc.yaml
new file mode 100644
index 0000000..f005fb0
--- /dev/null
+++ b/helm-manager/charts/templates/pvc.yaml
@@ -0,0 +1,31 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ template "helmmanager.name" . }}-pvc
+  namespace: {{ template "helmmanager.namespace" . }}
+  labels:
+    {{- include "helmmanager.labels" . | nindent 4 }}
+spec:
+  accessModes:
+  - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.pv.requestStorage }}
+  storageClassName: {{ .Values.pv.storageClass }}
+  volumeMode: Filesystem
\ No newline at end of file
diff --git a/helm-manager/charts/templates/service.yaml b/helm-manager/charts/templates/service.yaml
new file mode 100644
index 0000000..18ca368
--- /dev/null
+++ b/helm-manager/charts/templates/service.yaml
@@ -0,0 +1,32 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{ template "helmmanager.name" . }}
+  namespace: {{ template "helmmanager.namespace" . }}
+  labels:
+    {{- include "helmmanager.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type}}
+  ports:
+{{- $serviceConfig := dict -}}
+{{- $serviceConfig := merge $serviceConfig .Values.service -}}
+{{- $_ := set $serviceConfig "name" (include "helmmanager.name" .) -}}
+    {{- include "service.ports" $serviceConfig | nindent 4 }}
+  selector:
+    {{- include "helmmanager.selectorLabels" . | nindent 4 }}
\ No newline at end of file
diff --git a/helm-manager/charts/templates/serviceaccount.yaml b/helm-manager/charts/templates/serviceaccount.yaml
new file mode 100644
index 0000000..345d385
--- /dev/null
+++ b/helm-manager/charts/templates/serviceaccount.yaml
@@ -0,0 +1,35 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "helmmanager.name" . }}-sa
+  namespace: {{ template "helmmanager.namespace" . }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+ name: {{ template "helmmanager.name" . }}-sa-clusterrolebinding
+ namespace: {{ template "helmmanager.namespace" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ template "helmmanager.name" . }}-sa
+  namespace: {{ template "helmmanager.namespace" . }}
+roleRef:
+ kind: ClusterRole
+ name: cluster-admin
+ apiGroup: rbac.authorization.k8s.io
\ No newline at end of file
diff --git a/helm-manager/charts/values.yaml b/helm-manager/charts/values.yaml
new file mode 100644
index 0000000..c645915
--- /dev/null
+++ b/helm-manager/charts/values.yaml
@@ -0,0 +1,104 @@
+################################################################################
+#   Copyright (c) 2021 Nordix Foundation.                                      #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+
+# Default values for Helm Chart.
+# Declare variables to be passed into your templates.
+#
+# Sections:
+# - Helm Manager parameters
+# - Ingress Controller parameters
+# - Persistent Volume parameters
+# - Miscellaneous parameters
+
+# -----------------------------------------------------------------------------
+# Helm Manager parameters
+# -----------------------------------------------------------------------------
+# Specify Helm Manager's Docker image and repository details here
+image:
+  registry: nexus3.o-ran-sc.org:10004
+  name: o-ran-sc/nonrtric-helm-manager
+  tag: "1.0.0"
+  pullPolicy: IfNotPresent
+service:
+  type: NodePort
+  http:
+    # Enable plaintext HTTP call to the API
+    # Disabling this and using a TLS listen only is recommended for most configuration
+    enabled: true
+    servicePort: 8080
+    containerPort: 8080
+  tls:
+    # Enable HTTPS listen for the API
+    enabled: true
+    servicePort: 8443
+    containerPort: 8443
+
+# -----------------------------------------------------------------------------
+# Ingress Controller parameters
+# -----------------------------------------------------------------------------
+ingressController:
+  enabled: true
+  args: []
+  ingressClass: kong
+
+# -----------------------------------------------------------------------------
+# Persistent Volume parameters
+# -----------------------------------------------------------------------------
+pv:
+  enabled: true
+  storageClass: helm-manager-service-standard
+  capacity: 10Mi
+  requestStorage: 10Mi
+
+# -----------------------------------------------------------------------------
+# Miscellaneous parameters
+# -----------------------------------------------------------------------------
+
+replicaCount: 1
+
+# readinessProbe
+readinessProbe:
+  httpGet:
+    path: "/helm/charts"
+    port: 8080
+    scheme: HTTP
+  initialDelaySeconds: 60
+  timeoutSeconds: 5
+  periodSeconds: 10
+  successThreshold: 1
+  failureThreshold: 3
+
+# livenessProbe
+livenessProbe:
+  httpGet:
+    path: "/helm/charts"
+    port: 8080
+    scheme: HTTP
+  initialDelaySeconds: 60
+  timeoutSeconds: 5
+  periodSeconds: 10
+  successThreshold: 1
+  failureThreshold: 3
+
+# If you want to specify resources, uncomment the following
+# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+resources: {}
+  # limits:
+  #  cpu: 100m
+  #  memory: 256Mi
+  # requests:
+  #  cpu: 100m
+  #  memory: 256Mi
\ No newline at end of file