(refactor): Modification in disk-fill experiment CR (#41)

Signed-off-by: Udit Gaurav <uditgaurav@gmail.com>

charts/generic/disk-fill/disk-fill.chartserviceversion.yaml

@@ -0,0 +1,41 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: disk-fill
+  version: 0.0.1
+  annotations:
+    categories: Kubernetes
+    vendor: CNCF
+    createdAt: 2019-08-12T10:28:08Z
+    repository: https://github.com/litmuschaos/chaos-charts
+    support: https://slack.kubernetes.io/
+spec:
+  displayName: disk-fill
+  categoryDescription: |
+    Disk fill contains chaos to disrupt state of kubernetes resources. 
+    - Causes (forced/graceful) Disk Stress by filling up the Ephemeral Storage of the Pod using one of it containers.
+    - Causes Pod to get Evicted if the Pod exceeds it Ephemeral Storage Limit.
+    - Tests the Ephemeral Storage Limits, to ensure those parameters are sufficient.
+ 
+  keywords:
+    - Kubernetes
+    - Disk
+    - State 
+  platforms:
+    - GKE
+  maturity: alpha
+  maintainers:
+    - name: ksatchit
+      email: karthik.s@mayadata.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Mayadata
+  links:
+    - name: Kubernetes Website
+      url: https://kubernetes.io
+    - name: Source Code
+      url: https://github.com/kubernetes/kubernetes
+  icon:
+    - url: 
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/disk-fill/experiment.yaml

charts/generic/disk-fill/experiment.yml

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+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Fillup Ephemeral Storage of a Resource
+kind: ChaosExperiment
+metadata:
+  name: disk-fill
+  version: 0.0.1
+spec:
+  definition:
+    permissions:
+      apiGroups:
+        - ""
+        - "extensions"
+        - "apps"
+        - "batch"
+        - "litmuschaos.io"
+      resources:
+        - "daemonsets"
+        - "statefulsets"
+        - "deployments"
+        - "jobs"
+        - "pods"
+        - "pods/exec"
+        - "chaosengines"
+        - "chaosexperiments"
+        - "chaosresults"
+      verbs:
+        - "*"
+    image: "litmuschaos/ansible-runner:ci"
+    args:
+    - -c
+    - ansible-playbook ./experiments/generic/disk_fill/disk_fill_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+
+    - name: ANSIBLE_STDOUT_CALLBACK
+      value: 'default'
+
+    - name: TARGET_CONTAINER
+      value: ''
+    
+    - name: FILL_PERCENTAGE
+      value: ''
+
+    - name: TOTAL_CHAOS_DURATION
+      value: '60'
+      
+    labels:
+      name: disk-fill
+
+