VOL-642: Installation of VOLT-HA in a Kubernetes cluster

- Changed existing installer to support swarm and kubernetes
- Using kubespray as the base framework to deploy kubernetes
- Implemented config/deploy/teardown tasks for voltha

Amendments:

- Changed from python to python3 when running the inventory builder

Change-Id: I059fd348b9a749397b373e333b5602944c817745
diff --git a/install/ansible/roles/voltha-kubernetes/tasks/deploy.yml b/install/ansible/roles/voltha-kubernetes/tasks/deploy.yml
new file mode 100644
index 0000000..f5a2929
--- /dev/null
+++ b/install/ansible/roles/voltha-kubernetes/tasks/deploy.yml
@@ -0,0 +1,159 @@
+- name: "VOLT-HA Deploy | Add Namespace"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/namespace.yml
+  run_once: true
+
+# Ingress
+- name: "VOLT-HA Deploy | Start Ingress Controller"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/ingress
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for Default HTTP backend to be ready"
+  command: kubectl rollout status deployment/default-http-backend -w -n {{ voltha_namespace }}
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for Ingress Controller to be ready"
+  command: kubectl rollout status deployment/nginx-ingress-controller -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Zookeeper
+
+- name: "VOLT-HA Deploy | Start zookeeper"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/zookeeper.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for zookeeper to be ready"
+  command: kubectl rollout status statefulset/{{ item }} -w -n {{ voltha_namespace }}
+  with_items:
+    - zookeeper1
+    - zookeeper2
+    - zookeeper3
+  run_once: true
+
+# Kafka
+- name: "VOLT-HA Deploy | Start kafka"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/kafka.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for kafka to be ready"
+  command: kubectl rollout status statefulset/kafka -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Fluentd
+
+- name: "VOLT-HA Deploy | Start fluentd"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/fluentd.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for fluentd to be ready"
+  command: kubectl rollout status deployment/{{ item }} -w -n {{ voltha_namespace }}
+  with_items:
+    - fluentdactv
+    - fluentdstby
+    - fluentd
+  run_once: true
+
+# Consul
+- name: "VOLT-HA Deploy | Start consul"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/consul.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for consul to be ready"
+  command: kubectl rollout status statefulset/consul -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Voltha Core (for consul)
+- name: "VOLT-HA Deploy | Start VOLT-HA core (for consul)"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/vcore_for_consul.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for VOLT-HA core (for consul) to be ready"
+  command: kubectl rollout status deployment/vcore -w -n {{ voltha_namespace }}
+  run_once: true
+
+# OFagent
+- name: "VOLT-HA Deploy | Start OpenFlow Agent"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/ofagent.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for OpenFlow Agent to be ready"
+  command: kubectl rollout status deployment/ofagent -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Envoy (for consul)
+- name: "VOLT-HA Deploy | Start Envoy (for consul)"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/envoy_for_consul.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for Envoy (for consul) to be ready"
+  command: kubectl rollout status deployment/voltha -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Voltha CLI
+- name: "VOLT-HA Deploy | Start VOLT-HA CLI"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/vcli.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for VOLT-HA CLI to be ready"
+  command: kubectl rollout status deployment/vcli -w -n {{ voltha_namespace }}
+  run_once: true
+
+# NETCONF
+- name: "VOLT-HA Deploy | Start NETCONF"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/netconf.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for NETCONF to be ready"
+  command: kubectl rollout status deployment/netconf -w -n {{ voltha_namespace }}
+  run_once: true
+
+# Grafana
+- name: "VOLT-HA Deploy | Start Grafana"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/grafana.yml
+  run_once: true
+  when: monitor_voltha_stats
+
+- name: "VOLT-HA Deploy | Wait for Grafana to be ready"
+  command: kubectl rollout status deployment/grafana -w -n {{ voltha_namespace }}
+  run_once: true
+  when: monitor_voltha_stats
+
+# Dashd and Shovel
+- name: "VOLT-HA Deploy | Start DASHD and SHOVEL"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/stats.yml
+  run_once: true
+  when: monitor_voltha_stats
+
+- name: "VOLT-HA Deploy | Wait for DASHD and SHOVEL to be ready"
+  command: kubectl rollout status deployment/{{ item }} -w -n {{ voltha_namespace }}
+  with_items:
+    - dashd
+    - shovel
+  run_once: true
+  when: monitor_voltha_stats
+
+# FreeRADIUS Config
+- name: "VOLT-HA Deploy | Add FreeRADIUS Configuration"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/freeradius-config.yml
+  run_once: true
+
+# FreeRADIUS
+- name: "VOLT-HA Deploy | Start FreeRADIUS"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/freeradius.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for FreeRADIUS to be ready"
+  command: kubectl rollout status deployment/freeradius -w -n {{ voltha_namespace }}
+  run_once: true
+
+# ONOS
+- name: "VOLT-HA Deploy | Start ONOS"
+  command: kubectl apply -f {{ target_voltha_dir }}/k8s/onos.yml
+  run_once: true
+
+- name: "VOLT-HA Deploy | Wait for ONOS to be ready"
+  command: kubectl rollout status deployment/onos -w -n {{ voltha_namespace }}
+  run_once: true
+
+
+
+