AWS EBS CSI implementation (#5549)

* AWS EBS CSI implementation

* Fixing image repos

* Add OWNERS file

* Fix expressions

* Add csi-driver tag

* Add AWS EBS prefix to variables

* Add AWS EBS CSI Driver documentation

roles/kubernetes-apps/persistent_volumes/aws-ebs-csi/OWNERS

@@ -0,0 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+  - alijahnas
+reviewers:

roles/kubernetes-apps/persistent_volumes/aws-ebs-csi/defaults/main.yml

@@ -0,0 +1,8 @@
+---
+# To restrict which AZ the volume should be provisioned in
+# set this value to true and set the list of relevant AZs
+# For it to work, the flag aws_ebs_csi_enable_volume_scheduling
+# in AWS EBS Driver must be true
+restrict_az_provisioning: false
+aws_ebs_availability_zones:
+  - eu-west-3c

roles/kubernetes-apps/persistent_volumes/aws-ebs-csi/tasks/main.yml

@@ -0,0 +1,19 @@
+---
+- name: Kubernetes Persistent Volumes | Copy AWS EBS CSI Storage Class template
+  template:
+    src: "aws-ebs-csi-storage-class.yml.j2"
+    dest: "{{ kube_config_dir }}/aws-ebs-csi-storage-class.yml"
+  register: manifests
+  when:
+    - inventory_hostname == groups['kube-master'][0]
+
+- name: Kubernetes Persistent Volumes | Add AWS EBS CSI Storage Class
+  kube:
+    name: aws-ebs-csi
+    kubectl: "{{ bin_dir }}/kubectl"
+    resource: StorageClass
+    filename: "{{ kube_config_dir }}/aws-ebs-csi-storage-class.yml"
+    state: "latest"
+  when:
+    - inventory_hostname == groups['kube-master'][0]
+    - manifests.changed

roles/kubernetes-apps/persistent_volumes/aws-ebs-csi/templates/aws-ebs-csi-storage-class.yml.j2

@@ -0,0 +1,18 @@
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: ebs-sc
+provisioner: ebs.csi.aws.com
+volumeBindingMode: WaitForFirstConsumer
+parameters:
+  csi.storage.k8s.io/fstype: xfs
+  type: gp2
+{% if restrict_az_provisioning %}
+allowedTopologies:
+- matchLabelExpressions:
+  - key: topology.ebs.csi.aws.com/zone
+    values:
+{% for value in aws_ebs_availability_zones %}
+      - {{ value }}
+{% endfor %}
+{% endif %}

roles/kubernetes-apps/persistent_volumes/meta/main.yml

@@ -13,3 +13,10 @@ dependencies:
     tags:
       - persistent_volumes_cinder_csi
       - cinder-csi-driver
+
+  - role: kubernetes-apps/persistent_volumes/aws-ebs-csi
+    when:
+      - aws_ebs_csi_enabled
+    tags:
+      - persistent_volumes_aws_ebs_csi
+      - aws-ebs-csi-driver