Update from using hbase to using cassandra

Also update resources and traversal to remove chef

MK: Addressing the -1 statefulset comment

Issue-ID: AAI-33
Change-Id: Ieee819703764fdda727f17d4e9be43084886828c
Signed-off-by: Kajur, Harish vk250x@att.com <vk250x@att.com>
Signed-off-by: Mandeep Khinda <mandeep.khinda@amdocs.com>

6 files changed, 298 insertions, 0 deletions

diff --git a/kubernetes/aai/charts/aai-cassandra/.helmignore b/kubernetes/aai/charts/aai-cassandra/.helmignore
new file mode 100644
index 0000000000..f0c1319444
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/.helmignore
@@ -0,0 +1,21 @@
+# 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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
diff --git a/kubernetes/aai/charts/aai-cassandra/Chart.yaml b/kubernetes/aai/charts/aai-cassandra/Chart.yaml
new file mode 100644
index 0000000000..17694cbfff
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/Chart.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+description: ONAP AAI Cassandra
+name: aai-cassandra
+version: 2.0.0
diff --git a/kubernetes/aai/charts/aai-cassandra/templates/service.yaml b/kubernetes/aai/charts/aai-cassandra/templates/service.yaml
new file mode 100644
index 0000000000..a4557fe187
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/templates/service.yaml
@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "common.fullname" . }}
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ template "common.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  clusterIP: None
+  type: {{ .Values.service.type }}
+  ports:
+  - name: cql
+    port: {{ default 9042 .Values.config.ports.cql }}
+    targetPort: {{ default 9042 .Values.config.ports.cql }}
+  - name: thrift
+    port: {{ default 9160 .Values.config.ports.thrift }}
+    targetPort: {{ default 9160 .Values.config.ports.thrift }}
+  {{- if .Values.config.ports.agent }}
+  - name: agent
+    port: {{ .Values.config.ports.agent }}
+    targetPort: {{ .Values.config.ports.agent }}
+  {{- end }}
+  selector:
+    app: {{ template "common.fullname" . }}
diff --git a/kubernetes/aai/charts/aai-cassandra/templates/statefulset.yaml b/kubernetes/aai/charts/aai-cassandra/templates/statefulset.yaml
new file mode 100644
index 0000000000..aa3482d293
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/templates/statefulset.yaml
@@ -0,0 +1,115 @@
+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: {{ include "common.fullname" . }}
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  serviceName: {{ include "common.fullname" . }}
+  replicas: {{ .Values.replicaCount }}
+  podManagementPolicy: {{ .Values.podManagementPolicy }}
+  updateStrategy:
+    type: {{ .Values.updateStrategy.type }}
+  template:
+    metadata:
+      labels:
+        app: {{ include "common.name" . }}
+        release: {{ .Release.Name }}
+      name: {{ include "common.name" . }}
+    spec:
+      containers:
+      - name: {{ include "common.name" . }}
+        image: {{ .Values.image }}
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        ports:
+        - containerPort: {{ .Values.service.internalPort }}
+        - containerPort: {{ .Values.service.internalPort2 }}
+        - containerPort: {{ .Values.service.internalPort3 }}
+        - containerPort: {{ .Values.service.internalPort4 }}
+        {{- if eq .Values.liveness.enabled true }}
+        livenessProbe:
+          exec:
+           command:
+            - /bin/bash
+            - -c
+            - nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
+          initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
+          periodSeconds: {{ .Values.liveness.periodSeconds }}
+        {{ end -}}
+        readinessProbe:
+          exec:
+            command:
+            - /bin/bash
+            - -c
+            - nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
+          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
+          timeoutSeconds: {{ .Values.liveness.periodSeconds }}
+        lifecycle:
+          preStop:
+            exec:
+              command: ["/bin/sh", "-c", "PID=$(pidof java) && kill $PID && while ps -p $PID > /dev/null; do sleep 1; done"]
+        env:
+        {{- $seed_size := default 1 .Values.replicaCount | int -}}
+        {{- $global := . }}
+          - name: MAX_HEAP_SIZE
+            value: {{ .Values.config.heap.max }}
+          - name: HEAP_NEWSIZE
+            value: {{ .Values.config.heap.min }}
+          - name: CASSANDRA_SEEDS
+            value: "{{- range $i, $e := until $seed_size }}{{ template "common.fullname" $global }}-{{ $i }},{{- end }}"
+          - name: JVM_OPTS
+            value: {{ .Values.config.jvmOpts | quote }}
+          - name: CASSANDRA_CLUSTER_NAME
+            value: {{ .Values.config.clusterName | quote }}
+          - name: CASSANDRA_DC
+            value: {{ .Values.config.dataCenter | quote }}
+          - name: CASSANDRA_RACK
+            value: {{ .Values.config.rackName | quote }}
+          - name: CASSANDRA_AUTO_BOOTSTRAP
+            value: {{ .Values.config.autoBootstrap | quote }}
+          - name: POD_IP
+            valueFrom:
+              fieldRef:
+                fieldPath: status.podIP
+        volumeMounts:
+          - name: cassandra-data
+            mountPath: /var/lib/cassandra/data
+        resources:
+{{ toYaml .Values.resources | indent 10 }}
+      {{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
+      {{- end -}}
+      {{- if .Values.affinity }}
+      affinity:
+{{ toYaml .Values.affinity | indent 8 }}
+      {{- end }}
+      volumes:
+      - name: localtime
+        hostPath:
+          path: /etc/localtime
+  {{- if not .Values.persistence.enabled }}
+      - name: cassandra-data
+        emptyDir: {}
+  {{- else }}
+  volumeClaimTemplates:
+    - metadata:
+        name: cassandra-data
+        labels:
+          app: {{ template "common.fullname" . }}
+          chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+          release: "{{ .Release.Name }}"
+          heritage: "{{ .Release.Service }}"
+      annotations:
+        volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass }}
+      spec:
+        accessModes:
+          - {{ .Values.persistence.accessMode | quote }}
+        resources:
+          requests:
+            storage: {{ .Values.persistence.size | quote }}
+  {{- end }}
diff --git a/kubernetes/aai/charts/aai-cassandra/templates/volumes.yaml b/kubernetes/aai/charts/aai-cassandra/templates/volumes.yaml
new file mode 100644
index 0000000000..0e1a3dfc26
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/templates/volumes.yaml
@@ -0,0 +1,25 @@
+#{{ if .Values.persistence.enabled }}
+{{- $root := . -}}
+{{ range $i, $e := until (atoi (quote $root.Values.replicaCount) | default 3) }}
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: {{ $root.Values.service.name }}-{{ $i }}
+  namespace: {{ $root.Release.Namespace }}
+  labels:
+    type: {{ $root.Values.persistence.storageType }}
+    app: {{ $root.Values.service.name }}
+    chart: {{ $root.Chart.Name }}-{{ $root.Chart.Version | replace "+" "_" }}
+    release: {{ $root.Release.Name }}
+    heritage: {{ $root.Release.Service }}
+spec:
+  capacity:
+    storage: {{ $root.Values.persistence.size }}
+  accessModes:
+    - {{ $root.Values.persistence.accessMode }}
+  hostPath:
+    path: {{ $root.Values.persistence.mountPath }}/{{ $root.Release.Name }}/{{ $root.Values.persistence.mountSubPath }}-{{ $i }}
+  persistentVolumeReclaimPolicy: {{ $root.Values.persistence.volumeReclaimPolicy }}
+{{ end }}
+#{{ end }}
\ No newline at end of file
diff --git a/kubernetes/aai/charts/aai-cassandra/values.yaml b/kubernetes/aai/charts/aai-cassandra/values.yaml
new file mode 100644
index 0000000000..884bc396a8
--- /dev/null
+++ b/kubernetes/aai/charts/aai-cassandra/values.yaml
@@ -0,0 +1,106 @@
+# Default values for cassandra.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+global: # global defaults
+  nodePortPrefix: 302
+  repositorySecret: eyJuZXh1czMub25hcC5vcmc6MTAwMDEiOnsidXNlcm5hbWUiOiJkb2NrZXIiLCJwYXNzd29yZCI6ImRvY2tlciIsImVtYWlsIjoiQCIsImF1dGgiOiJaRzlqYTJWeU9tUnZZMnRsY2c9PSJ9fQ==
+
+
+# application image
+dockerhubRepository: registry.hub.docker.com
+image: cassandra:2.1
+pullPolicy: Always
+
+# application configuration
+config:
+  heap:
+    max: 512M
+    min: 100M
+  jvmOpts: -Dcassandra.consistent.rangemovement=false
+  clusterName: aai-cluster
+  dataCenter: Pod lab
+  rackName: Rack1
+  autoBootstrap: true
+  ports:
+    cql: 9042
+    thrift: 9160
+    # If a JVM Agent is in place
+    # agent: 61621
+
+# default number of instances
+replicaCount: 3
+
+nodeSelector: {}
+
+affinity: {}
+
+# probe configuration parameters
+liveness:
+  initialDelaySeconds: 10
+  periodSeconds: 10
+  # necessary to disable liveness probe when setting breakpoints
+  # in debugger so K8s doesn't restart unresponsive container
+  enabled: true
+
+readiness:
+  initialDelaySeconds: 10
+  periodSeconds: 10
+
+service:
+  type: ClusterIP
+  name: aai-cassandra
+  internalPort: 7000
+  internalPort2: 7001
+  internalPort3: 7199
+  internalPort4: 9042
+
+podManagementPolicy: OrderedReady
+updateStrategy:
+  type: OnDelete
+
+ingress:
+  enabled: false
+
+persistence:
+  enabled: false
+
+  ## A manually managed Persistent Volume and Claim
+  ## Requires persistence.enabled: true
+  ## If defined, PVC must be created manually before volume will be bound
+  # existingClaim:
+  volumeReclaimPolicy: Retain
+
+  ## database data Persistent Volume Storage Class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
+  ##
+  ## storageClass: "-"
+  accessMode: ReadWriteOnce
+  size: 2Gi
+  mountPath: /dockerdata-nfs
+  mountSubPath: aai/cassandra
+  storageType: local
+  storageClass: ""
+
+  
+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:'.
+  #
+  # Example:
+  # Configure resource requests and limits
+  # ref: http://kubernetes.io/docs/user-guide/compute-resources/
+  # Minimum memory for development is 2 CPU cores and 4GB memory
+  # Minimum memory for production is 4 CPU cores and 8GB memory
+#resources:
+#  limits:
+#    cpu: 2
+#    memory: 4Gi
+#  requests:
+#    cpu: 2
+#    memory: 4Gi