GCP Label Selector Experiment Charts and GCP Experiments Refactor (#532)

* added gcp-vm-instance-stop-by-label charts

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* updated experiment charts

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* added gcp-vm-disk-loss-by-label-charts; updated gcp-vm-disk-loss and gcp-vm-instance-stop charts to add sequence to engine manifest and removed device name from gcp-vm-disk-loss manifests

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* finalised charts

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* updated chart comments

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* updated AUTO_SCALING_GROUP env to MANAGED_INSTANCE_GROUP env

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* finalised charts for all GCP experiments

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* updated provider and author details in gcp-vm-instance-stop-by-label experiment

Signed-off-by: neelanjan00 <neelanjan@chaosnative.com>

* updated docs links

Signed-off-by: Neelanjan Manna <neelanjan.manna@harness.io>

* removed pods/exec rbac, updated keywords

Signed-off-by: Neelanjan Manna <neelanjan.manna@harness.io>

* updated chartserviceversion, package

Signed-off-by: Neelanjan Manna <neelanjan.manna@harness.io>

Co-authored-by: Udit Gaurav <35391335+uditgaurav@users.noreply.github.com>

charts/gcp/gcp-vm-disk-loss/engine.yaml

@@ -34,9 +34,7 @@ spec:
             # eg. zone1,zone2,...
             - name: DISK_ZONES
               value: ''
-            
-            # set the device name(s) as comma seperated values in the corresponding 
-            # order of DISK_VOLUME_NAME 
-            # eg. device1,device2,...
-            - name: DEVICE_NAMES
-              value: ''
+
+            # parallel or serial; determines how chaos is injected
+            - name: SEQUENCE
+              value: 'parallel'

charts/gcp/gcp-vm-disk-loss/experiment.yaml

@@ -29,11 +29,7 @@ spec:
       # Track and get the runner, experiment, and helper pods log 
       - apiGroups: [""]
         resources: ["pods/log"]
-        verbs: ["get","list","watch"]  
-      # for creating and managing to execute comands inside target container
-      - apiGroups: [""]
-        resources: ["pods/exec"]
-        verbs: ["get","list","create"]
+        verbs: ["get","list","watch"]
       # for configuring and monitor the experiment job by the chaos-runner pod
       - apiGroups: ["batch"]
         resources: ["jobs"]
@@ -82,12 +78,6 @@ spec:
     # eg. zone1,zone2,...
     - name: DISK_ZONES
       value: ''
-            
-    # set the device name(s) as comma seperated values in the corresponding 
-    # order of DISK_VOLUME_NAME 
-    # eg. device1,device2,...
-    - name: DEVICE_NAMES
-      value: ''
       
     labels:
       name: gcp-vm-disk-loss