Updates GCP experiment charts (#548)

* removed .DS_Store

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

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

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

* updated experiment charts

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

* updated experiment descriptions

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

* updated instance-stop-by-label charts for INSTANCE_AFFECTED_PERC env

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

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

@@ -1,7 +1,7 @@
 apiVersion: litmuschaos.io/v1alpha1
 description:
   message: |
-    gcp vm disk loss by label experiment detaches the target persistent disk volumes by label for a fixed duration of time
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance filtered by a label for a specified duration before attaching them back
 kind: ChaosExperiment
 metadata:
   name: gcp-vm-disk-loss-by-label

charts/gcp/gcp-vm-disk-loss-by-label/gcp-vm-disk-loss-by-label.chartserviceversion.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   displayName: gcp-vm-disk-loss-by-label 
   categoryDescription: >
-    gcp vm disk loss by label experiment detaches the target persistent disk volumes by label for a fixed duration of time 
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance filtered by a label for a specified duration before attaching them back
   keywords: 
     - "Disk"  
     - "GCP"

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

@@ -1,7 +1,7 @@
 apiVersion: litmuschaos.io/v1alpha1
 description:
   message: |
-    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration of time 
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration before attaching them back
 kind: ChaosExperiment
 metadata:
   name: gcp-vm-disk-loss

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

@@ -8,7 +8,7 @@ metadata:
 spec:
   displayName: gcp-vm-disk-loss 
   categoryDescription: >
-    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration of time 
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration before attaching them back
   keywords: 
     - "Disk" 
     - "GCP" 

charts/gcp/gcp-vm-instance-stop-by-label/engine.yaml

@@ -39,3 +39,8 @@ spec:
             # enable it if the target instances are a part of a managed instance group
             - name: MANAGED_INSTANCE_GROUP
               value: 'disable'
+
+            # set the percentage value of the instances with the given label 
+            # which should be targeted as part of the chaos injection
+            - name: INSTANCE_AFFECTED_PERC
+              value: ''

charts/gcp/gcp-vm-instance-stop-by-label/experiment.yaml

@@ -1,7 +1,7 @@
 apiVersion: litmuschaos.io/v1alpha1
 description:
   message: |
-    gcp-vm-instance stop by label experiment causes gcp vm instances specified by a label to be stopped for a given time duration
+    Stops GCP VM instances and GKE nodes filtered by a label for a specified duration and later restarts them 
 kind: ChaosExperiment
 metadata:
   name: gcp-vm-instance-stop-by-label
@@ -79,6 +79,11 @@ spec:
     - name: MANAGED_INSTANCE_GROUP
       value: 'disable'
 
+    # set the percentage value of the instances with the given label 
+    # which should be targeted as part of the chaos injection
+    - name: INSTANCE_AFFECTED_PERC
+      value: ''
+      
     labels:
       name: gcp-vm-instance-stop-by-label
       app.kubernetes.io/part-of: litmus

charts/gcp/gcp-vm-instance-stop-by-label/gcp-vm-instance-stop-by-label.chartserviceversion.yaml

@@ -1,14 +1,14 @@
 apiVersion: litmuchaos.io/v1alpha1
 kind: ChartServiceVersion
 metadata:
-  name: gcp 
+  name: gcp-vm-instance-stop-by-label
   version: 0.1.0
   annotations:
     categories: gcp
 spec:
-  displayName: gcp-vm-disk-loss-by-label 
+  displayName: gcp-vm-instance-stop-by-label 
   categoryDescription: >
-    Stops GCP VM instances and GKE nodes filtered by a label for a specified duration of time and later restarts them 
+    Stops GCP VM instances and GKE nodes filtered by a label for a specified duration and later restarts them 
   keywords: 
     - "VM"  
     - "GCP"
@@ -26,8 +26,8 @@ spec:
     app.kubernetes.io/version: latest
   links: 
     - name: Documentation 
-      url: https://litmuschaos.github.io/litmus/experiments/categories/gcp/gcp-vm-disk-loss-by-label/
+      url: https://litmuschaos.github.io/litmus/experiments/categories/gcp/gcp-vm-instance-stop-by-label/
   icon:
     - url: 
       mediatype: ""
-  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/gcp/gcp-vm-disk-loss-by-label/experiment.yaml
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/gcp/gcp-vm-instance-stop-by-label/experiment.yaml

charts/gcp/gcp-vm-instance-stop/experiment.yaml

@@ -1,7 +1,7 @@
 apiVersion: litmuschaos.io/v1alpha1
 description:
   message: |
-    Stops GCP VM instances and GKE nodes for a specified duration of time and later restarts them
+    Stops GCP VM instances and GKE nodes for a specified duration and later restarts them
 kind: ChaosExperiment
 metadata:
   name: gcp-vm-instance-stop

charts/gcp/gcp-vm-instance-stop/gcp-vm-instance-stop.chartserviceversion.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   displayName: gcp-vm-instance-stop 
   categoryDescription: >
-    Stops GCP VM instances and GKE nodes for a specified duration of time and later restarts them 
+    Stops GCP VM instances and GKE nodes for a specified duration and later restarts them 
   keywords: 
     - "VM" 
     - "GCP"