Add new addon Istio (#1744)

* add istio addon

* add addons to a ci job

.gitlab-ci.yml

@@ -61,6 +61,7 @@ before_script:
   KUBELET_DEPLOYMENT: "host"
   VAULT_DEPLOYMENT: "docker"
   WEAVE_CPU_LIMIT: "100m"
+  EXTRA_SETTINGS: "{}"
   MAGIC: "ci check this"
 
 .gce: &gce
@@ -132,6 +133,7 @@ before_script:
       -e weave_cpu_requests=${WEAVE_CPU_LIMIT}
       -e weave_cpu_limit=${WEAVE_CPU_LIMIT}
       -e "{kubeadm_enabled: ${KUBEADM_ENABLED}}"
+      -e "${EXTRA_SETTINGS}"
       --limit "all:!fake_hosts"
       cluster.yml
 
@@ -161,6 +163,7 @@ before_script:
       -e weave_cpu_requests=${WEAVE_CPU_LIMIT}
       -e weave_cpu_limit=${WEAVE_CPU_LIMIT}
       -e "{kubeadm_enabled: ${KUBEADM_ENABLED}}"
+      -e "${EXTRA_SETTINGS}"
       --limit "all:!fake_hosts"
       $PLAYBOOK;
       fi
@@ -198,6 +201,7 @@ before_script:
       -e "{kubeadm_enabled: ${KUBEADM_ENABLED}}"
       -e weave_cpu_requests=${WEAVE_CPU_LIMIT}
       -e weave_cpu_limit=${WEAVE_CPU_LIMIT}
+      -e "${EXTRA_SETTINGS}"
       --limit "all:!fake_hosts"
       cluster.yml;
       fi
@@ -246,6 +250,7 @@ before_script:
       -e "{kubeadm_enabled: ${KUBEADM_ENABLED}}"
       -e weave_cpu_requests=${WEAVE_CPU_LIMIT}
       -e weave_cpu_limit=${WEAVE_CPU_LIMIT}
+      -e "${EXTRA_SETTINGS}"
       --limit "all:!fake_hosts"
       cluster.yml;
       fi
@@ -323,13 +328,17 @@ before_script:
   CLUSTER_MODE: default
   STARTUP_SCRIPT: ""
 
-.centos7_flannel_variables: &centos7_flannel_variables
+.centos7_flannel_addons_variables: &centos7_flannel_addons_variables
 # stage: deploy-gce-part2
   KUBE_NETWORK_PLUGIN: flannel
   CLOUD_IMAGE: centos-7
   CLOUD_REGION: us-west1-a
   CLOUD_MACHINE_TYPE: "n1-standard-1"
   CLUSTER_MODE: default
+  EXTRA_SETTINGS: >-
+    { helm_enabled: true,
+      istio_enabled: true,
+      efk_enabled: true }
   STARTUP_SCRIPT: ""
   
 .debian8_calico_variables: &debian8_calico_variables
@@ -440,24 +449,24 @@ coreos-calico-sep-triggers:
   when: on_success
   only: ['triggers']
 
-centos7-flannel:
+centos7-flannel-addons:
   stage: deploy-gce-part2
   <<: *job
   <<: *gce
   variables:
     <<: *gce_variables
-    <<: *centos7_flannel_variables
+    <<: *centos7_flannel_addons_variables
   when: on_success
   except: ['triggers']
   only: [/^pr-.*$/]
 
-centos7-flannel-triggers:
+centos7-flannel-addons-triggers:
   stage: deploy-gce-part1
   <<: *job
   <<: *gce
   variables:
     <<: *gce_variables
-    <<: *centos7_flannel_variables
+    <<: *centos7_flannel_addons_variables
   when: on_success
   only: ['triggers']