feat: add storage migration operation (#724)

- add storage migration
    - add cancel storage migration

Signed-off-by: Vicente Cheng <freeze.bilsted@gmail.com>

pkg/harvester/dialog/HarvesterStorageMigrationDialog.vue

@@ -0,0 +1,239 @@
+<script>
+import { mapGetters } from 'vuex';
+
+import { PVC } from '@shell/config/types';
+import { exceptionToErrorsArray } from '@shell/utils/error';
+import { sortBy } from '@shell/utils/sort';
+import { HCI } from '../types';
+import { parseVolumeClaimTemplates } from '@pkg/harvester/utils/vm';
+
+import { Card } from '@components/Card';
+import { Banner } from '@components/Banner';
+import AsyncButton from '@shell/components/AsyncButton';
+import LabeledSelect from '@shell/components/form/LabeledSelect';
+
+export default {
+  name: 'HarvesterStorageMigrationDialog',
+
+  emits: ['close'],
+
+  components: {
+    AsyncButton, Banner, Card, LabeledSelect
+  },
+
+  props: {
+    resources: {
+      type:     Array,
+      required: true
+    }
+  },
+
+  async fetch() {
+    this.allPVCs = await this.$store.dispatch('harvester/findAll', { type: PVC });
+  },
+
+  data() {
+    return {
+      sourceVolume: '',
+      targetVolume: '',
+      errors:       [],
+      allPVCs:      [],
+    };
+  },
+
+  computed: {
+    ...mapGetters({ t: 'i18n/t' }),
+
+    actionResource() {
+      return this.resources[0];
+    },
+
+    sourceVolumeOptions() {
+      const volumes = this.actionResource.spec?.template?.spec?.volumes || [];
+
+      return sortBy(
+        volumes
+          .map((v) => v.persistentVolumeClaim?.claimName)
+          .filter((name) => !!name)
+          .map((name) => ({
+            label: name,
+            value: name
+          })),
+        'label'
+      );
+    },
+
+    namespacePVCs() {
+      return this.allPVCs.filter((pvc) => pvc.metadata.namespace === this.actionResource.metadata.namespace);
+    },
+
+    vmUsedVolumeNames() {
+      const allVMs = this.$store.getters['harvester/all'](HCI.VM) || [];
+      const names = new Set();
+
+      allVMs.forEach((vm) => {
+        // Collect volume names from spec.template.spec.volumes (both PVC and DataVolume references)
+        const volumes = vm.spec?.template?.spec?.volumes || [];
+
+        volumes.forEach((v) => {
+          const name = v.persistentVolumeClaim?.claimName || v.dataVolume?.name;
+
+          if (name) {
+            names.add(`${ vm.metadata.namespace }/${ name }`);
+          }
+        });
+
+        // Collect volume names from volumeClaimTemplates annotation
+        const templates = parseVolumeClaimTemplates(vm);
+
+        templates.forEach((t) => {
+          if (t.metadata?.name) {
+            names.add(`${ vm.metadata.namespace }/${ t.metadata.name }`);
+          }
+        });
+      });
+
+      return names;
+    },
+
+    targetVolumeOptions() {
+      return sortBy(
+        this.namespacePVCs
+          .filter((pvc) => {
+            // Exclude volumes used by any VM (via spec.volumes or volumeClaimTemplates)
+            if (this.vmUsedVolumeNames.has(`${ pvc.metadata.namespace }/${ pvc.metadata.name }`)) {
+              return false;
+            }
+
+            return true;
+          })
+          .map((pvc) => ({
+            label: pvc.metadata.name,
+            value: pvc.metadata.name
+          })),
+        'label'
+      );
+    },
+
+    disableSave() {
+      return !this.sourceVolume || !this.targetVolume;
+    },
+  },
+
+  methods: {
+    close() {
+      this.sourceVolume = '';
+      this.targetVolume = '';
+      this.errors = [];
+      this.$emit('close');
+    },
+
+    async apply(buttonDone) {
+      if (!this.actionResource) {
+        buttonDone(false);
+
+        return;
+      }
+
+      if (!this.sourceVolume) {
+        const name = this.t('harvester.modal.storageMigration.fields.sourceVolume.label');
+
+        this['errors'] = [this.t('validation.required', { key: name })];
+        buttonDone(false);
+
+        return;
+      }
+
+      if (!this.targetVolume) {
+        const name = this.t('harvester.modal.storageMigration.fields.targetVolume.label');
+
+        this['errors'] = [this.t('validation.required', { key: name })];
+        buttonDone(false);
+
+        return;
+      }
+
+      try {
+        await this.actionResource.doAction('storageMigration', {
+          sourceVolume: this.sourceVolume,
+          targetVolume: this.targetVolume
+        }, {}, false);
+
+        buttonDone(true);
+        this.close();
+      } catch (err) {
+        const error = err?.data || err;
+
+        this['errors'] = exceptionToErrorsArray(error);
+        buttonDone(false);
+      }
+    },
+  }
+};
+</script>
+
+<template>
+  <Card :show-highlight-border="false">
+    <template #title>
+      {{ t('harvester.modal.storageMigration.title') }}
+    </template>
+
+    <template #body>
+      <LabeledSelect
+        v-model:value="sourceVolume"
+        :label="t('harvester.modal.storageMigration.fields.sourceVolume.label')"
+        :placeholder="t('harvester.modal.storageMigration.fields.sourceVolume.placeholder')"
+        :options="sourceVolumeOptions"
+        class="mb-20"
+        required
+      />
+
+      <LabeledSelect
+        v-model:value="targetVolume"
+        :label="t('harvester.modal.storageMigration.fields.targetVolume.label')"
+        :placeholder="t('harvester.modal.storageMigration.fields.targetVolume.placeholder')"
+        :options="targetVolumeOptions"
+        required
+      />
+
+      <Banner
+        v-for="(err, i) in errors"
+        :key="i"
+        color="error"
+        :label="err"
+      />
+    </template>
+
+    <template
+      #actions
+      class="actions"
+    >
+      <div class="buttons">
+        <button
+          class="btn role-secondary mr-10"
+          @click="close"
+        >
+          {{ t('generic.cancel') }}
+        </button>
+
+        <AsyncButton
+          mode="apply"
+          :disabled="disableSave"
+          @click="apply"
+        />
+      </div>
+    </template>
+  </Card>
+</template>
+
+<style lang="scss" scoped>
+.actions {
+  width: 100%;
+}
+
+.buttons {
+  display: flex;
+  justify-content: flex-end;
+  width: 100%;
+}
+</style>

pkg/harvester/l10n/en-us.yaml

@@ -123,6 +123,15 @@ harvester:
       namespace: Namespace
       message:
         success: 'Image { name } created successfully.'
+    storageMigration:
+      title: Storage Migration
+      fields:
+        sourceVolume:
+          label: Source Volume
+          placeholder: Select a source volume
+        targetVolume:
+          label: Target Volume
+          placeholder: Select a target volume
     migration:
       failedMessage: Latest migration failed!
       title: Migration
@@ -232,6 +241,8 @@ harvester:
     migrate: Migrate
     cpuAndMemoryHotplug: Edit CPU and Memory
     abortMigration: Abort Migration
+    storageMigration: Storage Migration
+    cancelStorageMigration: Cancel Storage Migration
     createTemplate: Generate Template
     enableMaintenance: Enable Maintenance Mode
     disableMaintenance: Disable Maintenance Mode

pkg/harvester/models/kubevirt.io.virtualmachine.js

@@ -199,6 +199,18 @@ export default class VirtVm extends HarvesterResource {
         icon:    'icon icon-close',
         label:   this.t('harvester.action.abortMigration')
       },
+      {
+        action:  'storageMigration',
+        enabled: !!this.actions?.storageMigration,
+        icon:    'icon icon-copy',
+        label:   this.t('harvester.action.storageMigration')
+      },
+      {
+        action:  'cancelStorageMigration',
+        enabled: !!this.actions?.cancelStorageMigration,
+        icon:    'icon icon-close',
+        label:   this.t('harvester.action.cancelStorageMigration')
+      },
       {
         action:  'addHotplugVolume',
         enabled: !!this.actions?.addVolume,
@@ -368,6 +380,13 @@ export default class VirtVm extends HarvesterResource {
     });
   }
 
+  storageMigration(resources = this) {
+    this.$dispatch('promptModal', {
+      resources,
+      component: 'HarvesterStorageMigrationDialog'
+    });
+  }
+
   backupVM(resources = this) {
     this.$dispatch('promptModal', {
       resources,
@@ -520,6 +539,10 @@ export default class VirtVm extends HarvesterResource {
     this.doActionGrowl('abortMigration', {});
   }
 
+  cancelStorageMigration() {
+    this.doActionGrowl('cancelStorageMigration', {});
+  }
+
   createTemplate(resources = this) {
     this.$dispatch('promptModal', {
       resources,