feat: add support for configuring transparent hugepages (#414)

* feat: add support for configuring transparent hugepages Related-to: https://github.com/harvester/harvester/issues/5006 Co-authored-by: Moritz Röhrich <moritz.rohrich@suse.com> Signed-off-by: Tim Serong <tserong@suse.com> * fix: return empty object if hugepages can't be found for node Related-to: https://github.com/harvester/harvester/issues/5006 Co-authored-by: Andy Lee <andy.lee@suse.com> Signed-off-by: Tim Serong <tserong@suse.com> --------- Signed-off-by: Tim Serong <tserong@suse.com> Co-authored-by: Moritz Röhrich <moritz.rohrich@suse.com> Co-authored-by: Andy Lee <andy.lee@suse.com>
2025-12-13 05:01:43 +00:00 · 2025-11-12 17:09:56 +11:00 · 2025-11-12 17:09:56 +11:00 · 30de2b1a18
commit 30de2b1a18
parent 6fedcc353c
7 changed files with 330 additions and 0 deletions
--- a/pkg/harvester/config/doc-links.js
+++ b/pkg/harvester/config/doc-links.js
@ -9,4 +9,5 @@ export const DOC = {
  SUPPORT_BUNDLE_NAMESPACES:  `/advanced/index/#support-bundle-namespaces`,
  VPC_CONFIGURATION_EXAMPLES: `/networking/kubeovn-vpc#vpc-peering-configuration-examples`,
  NETWORK_POLICY:             `/networking/kubeovn-vm-isolation/#network-policies`,
+  TRANSPARENT_HUGEPAGES:      `https://docs.kernel.org/admin-guide/mm/transhuge.html`,
 };
--- a/pkg/harvester/detail/harvesterhci.io.host/HarvesterHugepages.vue
+++ b/pkg/harvester/detail/harvesterhci.io.host/HarvesterHugepages.vue
@ -0,0 +1,119 @@
+<script>
+import LabelValue from '@shell/components/LabelValue';
+import { HCI } from '../../types';
+import { DOC } from '../../config/doc-links';
+
+export default {
+  name:       'HarvesterHugepages',
+  components: { LabelValue },
+
+  props: {
+    node: {
+      type:     Object,
+      required: true,
+    },
+  },
+
+  computed: {
+    docsTransparentHugepagesLink() {
+      return DOC.TRANSPARENT_HUGEPAGES;
+    },
+  },
+
+  async fetch() {
+    const inStore = this.$store.getters['currentProduct'].inStore;
+
+    const hash = await this.$store.dispatch(`${ inStore }/findAll`, { type: HCI.HUGEPAGES });
+
+    this.hugepages = hash.find((node) => {
+      return node.id === this.node.id;
+    }) || {};
+  },
+
+  data() {
+    return { hugepages: {} };
+  },
+};
+</script>
+
+<template>
+  <div>
+    <template v-if="hugepages.status">
+      <h2>{{ t('harvester.host.hugepages.meminfo') }}</h2>
+
+      <div class="row mb-20">
+        <div class="col span-6">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.anon')"
+            :value="hugepages.status.meminfo.anonHugePages"
+          />
+        </div>
+        <div class="col span-6">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.size')"
+            :value="hugepages.status.meminfo.hugepageSize"
+          />
+        </div>
+      </div>
+
+      <div class="row mb-20">
+        <div class="col span-3">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.total')"
+            :value="hugepages.status.meminfo.hugePagesTotal"
+          />
+        </div>
+        <div class="col span-3">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.free')"
+            :value="hugepages.status.meminfo.hugePagesFree"
+          />
+        </div>
+        <div class="col span-3">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.rsvd')"
+            :value="hugepages.status.meminfo.hugePagesRsvd"
+          />
+        </div>
+        <div class="col span-3">
+          <LabelValue
+            :name="t('harvester.host.hugepages.status.surp')"
+            :value="hugepages.status.meminfo.hugePagesSurp"
+          />
+        </div>
+      </div>
+
+      <div>
+        <hr class="divider" />
+        <h3>
+          <t
+            k="harvester.host.hugepages.transparent.title"
+            :raw="true"
+            :url="docsTransparentHugepagesLink"
+          />
+        </h3>
+
+        <div class="row mb-20">
+          <div class="col span-4">
+            <LabelValue
+              :name="t('harvester.host.hugepages.transparent.enabled')"
+              :value="hugepages.spec.transparent.enabled"
+            />
+          </div>
+          <div class="col span-4">
+            <LabelValue
+              :name="t('harvester.host.hugepages.transparent.shmemEnabled')"
+              :value="hugepages.spec.transparent.shmemEnabled"
+            />
+          </div>
+          <div class="col span-4">
+            <LabelValue
+              :name="t('harvester.host.hugepages.transparent.defrag')"
+              :value="hugepages.spec.transparent.defrag"
+            />
+          </div>
+        </div>
+      </div>
+    </template>
+  </div>
+</template>
--- a/pkg/harvester/detail/harvesterhci.io.host/index.vue
+++ b/pkg/harvester/detail/harvesterhci.io.host/index.vue
@ -27,6 +27,7 @@ import Instance from './VirtualMachineInstance';
 import Disk from './HarvesterHostDisk';
 import VlanStatus from './VlanStatus';
 import HarvesterKsmtuned from './HarvesterKsmtuned.vue';
+import HarvesterHugepages from './HarvesterHugepages.vue';
 import HarvesterSeeder from './HarvesterSeeder';

 const LONGHORN_SYSTEM = 'longhorn-system';
@ -46,6 +47,7 @@ export default {
    VlanStatus,
    LabelValue,
    HarvesterKsmtuned,
+    HarvesterHugepages,
    Loading,
    SortableTable,
    HarvesterSeeder,
@ -209,6 +211,12 @@ export default {
      return !!this.$store.getters[`${ inStore }/schemaFor`](HCI.KSTUNED);
    },

+    hasHugepagesSchema() {
+      const inStore = this.$store.getters['currentProduct'].inStore;
+
+      return !!this.$store.getters[`${ inStore }/schemaFor`](HCI.HUGEPAGES);
+    },
+
    hasBlockDevicesSchema() {
      return !!this.$store.getters['harvester/schemaFor'](HCI.BLOCK_DEVICE);
    },
@ -468,6 +476,16 @@ export default {
        />
      </Tab>

+      <Tab
+        v-if="hasHugepagesSchema"
+        name="hugepages"
+        :weight="0"
+        :show-header="false"
+        :label="t('harvester.host.tabs.hugepages')"
+      >
+        <HarvesterHugepages :node="value" />
+      </Tab>
+
      <Tab
        v-if="seederEnabled"
        name="seeder"
--- a/pkg/harvester/edit/harvesterhci.io.host/HarvesterHugepages.vue
+++ b/pkg/harvester/edit/harvesterhci.io.host/HarvesterHugepages.vue
@ -0,0 +1,157 @@
+<script>
+import LabeledSelect from '@shell/components/form/LabeledSelect.vue';
+import { HCI } from '../../types';
+import { DOC } from '../../config/doc-links';
+
+export const hugepagesTHPEnabledMode = [{
+  label: 'Always',
+  value: 'always',
+}, {
+  label: 'Madvise',
+  value: 'madvise',
+}, {
+  label: 'Never',
+  value: 'never',
+}];
+
+export const hugepagesTHPShmemEnabledMode = [{
+  label: 'Always',
+  value: 'always',
+}, {
+  label: 'Within Size',
+  value: 'within_size',
+}, {
+  label: 'Advise',
+  value: 'advise',
+}, {
+  label: 'Never',
+  value: 'never',
+}, {
+  label: 'Deny',
+  value: 'deny',
+}, {
+  label: 'Force',
+  value: 'force',
+}];
+
+export const hugepagesTHPDefragMode = [{
+  label: 'Always',
+  value: 'always',
+}, {
+  label: 'Defer',
+  value: 'defer',
+}, {
+  label: 'Defer+Madvise',
+  value: 'defer+madvise',
+}, {
+  label: 'Madvise',
+  value: 'madvise',
+}, {
+  label: 'Never',
+  value: 'never'
+}];
+
+export default {
+  name:       'HarvesterHugepages',
+  components: { LabeledSelect },
+
+  props: {
+    node: {
+      type:     Object,
+      required: true,
+    },
+
+    registerBeforeHook: {
+      type:     Function,
+      required: true,
+    },
+  },
+
+  computed: {
+    docsTransparentHugepagesLink() {
+      return DOC.TRANSPARENT_HUGEPAGES;
+    },
+  },
+
+  methods: {
+    async saveHugepages() {
+      this.hugepages['spec'] = this.spec;
+
+      await this.hugepages.save().catch((reason) => {
+        if (reason?.type === 'error') {
+          this.$store.dispatch('growl/error', {
+            title:   this.t('harvester.notification.title.error'),
+            message: reason?.message,
+          }, { root: true });
+
+          return Promise.reject(new Error('saveHugepages error'));
+        }
+      });
+    },
+  },
+
+  async fetch() {
+    const inStore = this.$store.getters['currentProduct'].inStore;
+
+    const hash = await this.$store.dispatch(`${ inStore }/findAll`, { type: HCI.HUGEPAGES });
+
+    this.hugepages = hash.find((node) => {
+      return node.id === this.node.id;
+    });
+    this.spec = this.hugepages.spec;
+  },
+
+  data() {
+    return {
+      hugepages: {},
+      spec:      { transparent: {} },
+      hugepagesTHPEnabledMode,
+      hugepagesTHPShmemEnabledMode,
+      hugepagesTHPDefragMode,
+    };
+  },
+
+  created() {
+    this.registerBeforeHook(this.saveHugepages, 'saveHugepages');
+  },
+};
+</script>
+
+<template>
+  <div>
+    <div>
+      <hr class="divider" />
+      <h3>
+        <t
+          k="harvester.host.hugepages.transparent.title"
+          :raw="true"
+          :url="docsTransparentHugepagesLink"
+        />
+      </h3>
+
+      <div class="row mb-20">
+        <div class="col span-4">
+          <LabeledSelect
+            v-model:value="spec.transparent.enabled"
+            :label="t('harvester.host.hugepages.transparent.enabled')"
+            :options="hugepagesTHPEnabledMode"
+          />
+        </div>
+        <div class="col span-4">
+          <LabeledSelect
+            v-model:value="spec.transparent.shmemEnabled"
+            :label="t('harvester.host.hugepages.transparent.shmemEnabled')"
+            :options="hugepagesTHPShmemEnabledMode"
+          />
+        </div>
+        <div class="col span-4">
+          <LabeledSelect
+            v-model:value="spec.transparent.defrag"
+            :label="t('harvester.host.hugepages.transparent.defrag')"
+            :options="hugepagesTHPDefragMode"
+          />
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
--- a/pkg/harvester/edit/harvesterhci.io.host/index.vue
+++ b/pkg/harvester/edit/harvesterhci.io.host/index.vue
@ -28,6 +28,7 @@ import { HCI } from '../../types';
 import HarvesterDisk from './HarvesterDisk';
 import HarvesterSeeder from './HarvesterSeeder';
 import HarvesterKsmtuned from './HarvesterKsmtuned';
+import HarvesterHugepages from './HarvesterHugepages';
 import Tags from '../../components/DiskTags';
 import { LVM_DRIVER } from '../../models/harvester/storage.k8s.io.storageclass';
 import isEqual from 'lodash/isEqual';
@ -50,6 +51,7 @@ export default {
    ArrayListGrouped,
    HarvesterDisk,
    HarvesterKsmtuned,
+    HarvesterHugepages,
    ButtonDropdown,
    KeyValue,
    Banner,
@ -225,6 +227,12 @@ export default {
      return !!this.$store.getters[`${ inStore }/schemaFor`](HCI.KSTUNED);
    },

+    hasHugepagesSchema() {
+      const inStore = this.$store.getters['currentProduct'].inStore;
+
+      return !!this.$store.getters[`${ inStore }/schemaFor`](HCI.HUGEPAGES);
+    },
+
    hasBlockDevicesSchema() {
      const inStore = this.$store.getters['currentProduct'].inStore;

@ -647,6 +655,17 @@ export default {
            </template>
          </ArrayListGrouped>
        </Tab>
+        <Tab
+          v-if="hasHugepagesSchema"
+          name="Hugepages"
+          :weight="70"
+          :label="t('harvester.host.tabs.hugepages')"
+        >
+          <HarvesterHugepages
+            :node="value"
+            :register-before-hook="registerBeforeHook"
+          />
+        </Tab>
        <Tab
          v-if="hasKsmtunedSchema"
          name="Ksmtuned"
--- a/pkg/harvester/l10n/en-us.yaml
+++ b/pkg/harvester/l10n/en-us.yaml
@ -447,6 +447,7 @@ harvester:
      storage: Storage
      labels: Labels
      ksmtuned: Ksmtuned
+      hugepages: Hugepages
      seeder: Out-of-band Access
    detail:
      kvm:
@ -519,6 +520,20 @@ harvester:
        fullScans: Full Scans
        stableNodeChains: Stable Node Chains
        stableNodeDups: Stable Node Dups
+    hugepages:
+      meminfo: Meminfo
+      transparent:
+        title: Transparent Hugepages <a href="{url}" target="_blank"><i class="icon icon-info" /></a>
+        enabled: Enabled
+        shmemEnabled: Shared Memory Enabled
+        defrag: Defragmentation
+      status:
+        anon: Anonymous Hugepages (bytes)
+        size: Default Hugepage Size (bytes)
+        total: Total Hugepages
+        free: Free Hugepages
+        rsvd: Reserved Hugepages
+        surp: Surplus Hugepages
    disk:
      add: Add Disk
      path:
--- a/pkg/harvester/types.ts
+++ b/pkg/harvester/types.ts
@ -37,6 +37,7 @@ export const HCI = {
  STORAGE:             'harvesterhci.io.storage',
  RESOURCE_QUOTA:      'harvesterhci.io.resourcequota',
  KSTUNED:             'node.harvesterhci.io.ksmtuned',
+  HUGEPAGES:           'node.harvesterhci.io.hugepage',
  PCI_DEVICE:          'devices.harvesterhci.io.pcidevice',
  PCI_CLAIM:           'devices.harvesterhci.io.pcideviceclaim',
  SR_IOV:              'devices.harvesterhci.io.sriovnetworkdevice',