Expose etcd snapshot params on rke clusters

rancher/rancher#16414

lib/shared/addon/components/cluster-driver/driver-rke/component.js

@@ -592,7 +592,8 @@ export default InputTextFile.extend(ClusterDriver, {
 
   validate() {
     this._super(...arguments);
-    const errors = get(this, 'errors') || [];
+
+    let errors = get(this, 'errors') || [];
 
     if ( !get(this, 'isCustom') ) {
       errors.pushObjects(get(this, 'nodePoolErrors'));
@@ -611,6 +612,8 @@ export default InputTextFile.extend(ClusterDriver, {
       }
     }
 
+    errors = this.validateEtcdService(errors);
+
     const clusterOptErrors = get(this, 'clusterOptErrors') || [];
 
     set(this, 'errors', errors);
@@ -618,6 +621,48 @@ export default InputTextFile.extend(ClusterDriver, {
     return errors.length === 0 && clusterOptErrors.length === 0;
   },
 
+  validateEtcdService(errors) {
+    const baseUnits               = ['s', 'm', 'h', 'd', 'w', 'm', 'y'];
+    const etcdService             = get(this, 'cluster.rancherKubernetesEngineConfig.services.etcd') || {};
+    const { creation, retention } = etcdService;
+    const that = this;
+
+    if (creation) {
+      hasError(creation, 'Creation');
+    }
+
+    if (retention) {
+      hasError(retention, 'Retention');
+    }
+
+    function hasError(entry, type) {
+      let last   = getLast(entry);
+
+      if (typeof parseInt(entry) !== 'number' || typeof last !== 'string') {
+        errors.push(get(that, 'intl').t('clusterNew.rke.etcd.error', {
+          type,
+          entry
+        }));
+      }
+
+      if (baseUnits.indexOf(last) === -1) {
+        errors.push(get(that, 'intl').t('clusterNew.rke.etcd.baseError', {
+          type,
+          entry: last
+        }));
+      }
+    }
+
+    function getLast(val) {
+      let num    = parseInt(val);
+      let numIdx = num.toString().split('').length;// count the "numbers" last index in the string
+
+      return val.slice(numIdx);
+    }
+
+    return errors;
+  },
+
   doneSaving() {
     if ( get(this, 'isCustom') ) {
       if ( get(this, 'isEdit') ) {

lib/shared/addon/components/cluster-driver/driver-rke/template.hbs

@@ -280,8 +280,48 @@
             </div>
 
           </div>
+          <div class="row">
+            <div class="col span-4">
+              <label class="acc-label">{{t 'clusterNew.rke.etcd.snapshot.label'}}</label>
+              <div class="radio">
+                <label>
+                  {{radio-button selection=cluster.rancherKubernetesEngineConfig.services.etcd.snapshot value=false}}
+                  {{t 'generic.disabled'}}
+                </label>
+              </div>
+              <div class="radio">
+                <label>
+                  {{radio-button selection=cluster.rancherKubernetesEngineConfig.services.etcd.snapshot value=true}}
+                  {{t 'generic.enabled'}}
+                </label>
+              </div>
+            </div>
+            <div class="col span-2">
+              <label class="acc-label">{{t 'clusterNew.rke.etcd.creation.label'}}</label>
+              <div class="input-group">
+                {{input
+                    type="text"
+                    classNames="form-control"
+                    disabled=(not cluster.rancherKubernetesEngineConfig.services.etcd.snapshot)
+                    placeholder=(t 'clusterNew.rke.etcd.creation.placeholder')
+                    value=cluster.rancherKubernetesEngineConfig.services.etcd.creation
+                }}
+              </div>
+            </div>
+            <div class="col span-2 offset-2">
+              <label class="acc-label">{{t 'clusterNew.rke.etcd.retention.label'}}</label>
+              <div class="input-group">
+                {{input
+                    type="text"
+                    classNames="form-control"
+                    disabled=(not cluster.rancherKubernetesEngineConfig.services.etcd.snapshot)
+                    placeholder=(t 'clusterNew.rke.etcd.retention.placeholder')
+                    value=cluster.rancherKubernetesEngineConfig.services.etcd.retention
+                }}
+              </div>
+            </div>
+          </div>
         {{/accordion-list-item}}
-
       {{/advanced-section}}
     {{/if}}
   {{/accordion-list}}

translations/en-us.yaml

@@ -50,6 +50,7 @@ generic:
   healthy: Healthy
   help: Help
   hostname: Hostname
+  hours: hours
   id: ID
   image: Image
   import: Import
@@ -2079,6 +2080,16 @@ clusterNew:
       election:
         label: etcd Election Timeout
         placeholder: Time for an election to timeout
+      snapshot:
+        label: Recurring etcd Snapshots
+      retention:
+        label: Snapshot Retention Period
+        placeholder: "1d"
+      creation:
+        label: Snapshot Creation Period
+        placeholder: "3h"
+      error: "Snapshot {type} Period Error: You must designate a time value and SI time unit.  You entered {entry}"
+      baseError: "Snapshot {type} Period Error: You must designate a valid SI time unit. You entered {entry}"
     nodeName:
       title: Node Name
       detail: Optionally configure the node name as identification instead of the actual hostname