RFE-9146: Add service account impersonation support - #17026
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WalkthroughThe console now supports user and service-account impersonation with optional groups. The modal validates service-account fields, request handling supports service-account headers, resource actions start impersonation, and Playwright tests cover the flows. ChangesService-account impersonation
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to The PR adds service account impersonation through the masthead and ServiceAccount actions. A minor test-helper fix is advisable for selecting multiple groups, but it does not affect production behavior, so no merge-blocking risk remains. Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant Admin
participant ImpersonateUserModal
participant MastheadToolbar
participant startImpersonate
participant ConsoleFetchUtils
participant ConsoleAPI
Admin->>ImpersonateUserModal: select subject and groups
ImpersonateUserModal->>MastheadToolbar: submit username, groups, and kind
MastheadToolbar->>startImpersonate: dispatch impersonation
startImpersonate->>ConsoleFetchUtils: build impersonation headers
ConsoleFetchUtils->>ConsoleAPI: send service-account headers
ConsoleAPI-->>Admin: show active impersonation status
🚥 Pre-merge checks | ✅ 15✅ Passed checks (15 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@frontend/public/components/modals/impersonate-user-modal.tsx`:
- Around line 157-175: Update validateForm and the service-account
namespace/name inputs to enforce Kubernetes naming rules before
handleImpersonate constructs the impersonation principal, rejecting invalid
values and setting the corresponding field-specific error rather than a shared
error. Preserve trimming and the existing required-value checks for valid
identifiers.
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📒 Files selected for processing (15)
frontend/e2e/pages/masthead-page.tsfrontend/e2e/pages/service-account-page.tsfrontend/e2e/tests/console/app/service-account-impersonation.spec.tsfrontend/packages/console-app/console-extensions.jsonfrontend/packages/console-app/locales/en/console-app.jsonfrontend/packages/console-app/package.jsonfrontend/packages/console-app/src/actions/providers/service-account-provider.tsfrontend/packages/console-shared/src/utils/console-fetch-utils.tsfrontend/public/actions/ui.tsfrontend/public/components/impersonate-notifier.tsxfrontend/public/components/masthead/masthead-toolbar.tsxfrontend/public/components/modals/__tests__/impersonate-user-modal-integration.spec.tsxfrontend/public/components/modals/__tests__/impersonate-user-modal.spec.tsxfrontend/public/components/modals/impersonate-user-modal.tsxfrontend/public/locales/en/public.json
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Inline comments:
In `@frontend/e2e/pages/service-account-page.ts`:
- Around line 13-15: Update the heading assertion in the service-account page to
escape the dynamic name before interpolating it into the RegExp, preserving
literal matching for names containing regex metacharacters while keeping the
existing visibility check and timeout.
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📒 Files selected for processing (6)
frontend/e2e/pages/masthead-page.tsfrontend/e2e/pages/service-account-page.tsfrontend/e2e/tests/console/app/impersonation.spec.tsfrontend/public/components/modals/__tests__/impersonate-user-modal.spec.tsxfrontend/public/components/modals/impersonate-user-modal.tsxfrontend/public/locales/en/public.json
🚧 Files skipped from review as they are similar to previous changes (3)
- frontend/public/locales/en/public.json
- frontend/public/components/modals/impersonate-user-modal.tsx
- frontend/public/components/modals/tests/impersonate-user-modal.spec.tsx
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Inline comments:
In `@frontend/e2e/pages/service-account-page.ts`:
- Around line 15-16: Update the heading assertion in the service-account page
object to match the resource name exactly, using the existing name value with
exact matching and level 1. Remove the ServiceAccount-prefixed regular
expression and retain the current getByRole assertion structure.
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frontend/e2e/pages/service-account-page.tsfrontend/public/actions/ui.ts
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- frontend/public/actions/ui.ts
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OCPBUGS-112263 When the Group model does not exist (Direct Authentication / external OIDC), the group selector gracefully degrades to free-form entry instead of showing an error alert. Users can type group names and press Enter or use the "Create" dropdown option to add groups. Rebased on top of PR openshift#17026 (service account impersonation support) which landed on main. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
OCPBUGS-112263 When the Group model does not exist (Direct Authentication / external OIDC), the group selector gracefully degrades to free-form entry instead of showing an error alert. Users can type group names and press Enter or use the "Create" dropdown option to add groups. Rebased on top of PR openshift#17026 (service account impersonation support) which landed on main. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
| "ImageStreams": "ImageStreams", | ||
| "Impersonate {{kind}} \"{{name}}\"": "Impersonate {{kind}} \"{{name}}\"", | ||
| "Impersonate Group {{name}}": "Impersonate Group {{name}}", | ||
| "Impersonate service account {{name}}": "Impersonate service account {{name}}", |
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"Impersonate service account {{name}}" is lowercase. line 356 capitalizes "Impersonate Group {{name}}". make capitalization consistent? (Group --> group?) @logonoff
| let isValid = true; | ||
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| if (!serviceAccountNamespace.trim()) { | ||
| setServiceAccountNamespaceError(t('Service account namespace is required')); |
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"Service account namespace is required" tells user something's missing but not what to do. reword to include corrective action? for ex., "Select a service account namespace"? @logonoff
| } | ||
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| if (!serviceAccountName.trim()) { | ||
| setServiceAccountNameError(t('Service account name is required')); |
| setServiceAccountNameError(''); | ||
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| if (impersonateKind === 'User' && !username.trim()) { | ||
| setUsernameError(t('Username is required')); |
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ditto 202, 207. change to Enter a "Enter a user name"? (or "Enter username"?)
also, yes, i see your "username," one word. this is fine when expressly referring to a ui field. when referring to just the plain old noun, should be 2 words.
| isInline | ||
| title={t( | ||
| 'Impersonating a user grants you their exact permissions. You must enter username, but you can also enter a group to simulate the permissions of a member of that group.', | ||
| 'Impersonating a user or service account grants you their exact permissions. You must enter a username or service account, but you can also enter a group to simulate the permissions of a member of that group.', |
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321: says you can "also enter a group" right after saying "a username or service account." does group option only apply when impersonating a user? if so, this phrasing could make someone think groups are available for service accounts too.
also, username --> user name
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Groups are available for service accounts
| <Radio | ||
| id="impersonate-kind-service-account" | ||
| name="impersonate-kind" | ||
| label={t('ServiceAccount')} |
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radio label text = "ServiceAccount". should it be "Service account" (with space, only S capped) for the label users see?
| "Impersonate": "Impersonate", | ||
| "Impersonate user": "Impersonate user", | ||
| "Impersonating a user grants you their exact permissions. You must enter username, but you can also enter a group to simulate the permissions of a member of that group.": "Impersonating a user grants you their exact permissions. You must enter username, but you can also enter a group to simulate the permissions of a member of that group.", | ||
| "Impersonating a user or service account grants you their exact permissions. You must enter a username or service account, but you can also enter a group to simulate the permissions of a member of that group.": "Impersonating a user or service account grants you their exact permissions. You must enter a username or service account, but you can also enter a group to simulate the permissions of a member of that group.", |
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800: same as in modal file: "you can also enter a group" follows "a username or service account," but does group option apply only when impersonating a user? if so, this could mislead someone impersonating a service account into thinking groups apply there too.
username --> user name
| "Served": "Served", | ||
| "Service": "Service", | ||
| "Service account name": "Service account name", | ||
| "Service account name is required": "Service account name is required", |
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- 1402: "Service account name is required", "Service account namespace is required" --> same corrective-action gap as two similar strings in modal file.
| "Service account name to impersonate": "Service account name to impersonate", | ||
| "Service account namespace": "Service account namespace", | ||
| "Service account namespace is required": "Service account namespace is required", | ||
| "Service Account Token": "Service Account Token", |
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"Service Account Token" caps "Account" and "Token" but other strings (ex. "Impersonate user", "Service account name") are lowercase for generic term. "Service Account Token" capped bc it refers to specific Kubernetes resource type? if so, worth confirming that pattern is applied consistently elsewhere.
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| await test.step('Stop impersonating service account', async () => { | ||
| await masthead.stopImpersonating(); | ||
| await expect(page.getByText(`You are impersonating ServiceAccount ${serviceAccountUsername}`)).toBeHidden({ |
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122, 129, 136, 144, 154, 164, 172, 179 check for "You are impersonating ServiceAccount {username}" on page. if this reflects actual banner text, is it same "ServiceAccount" one-word casing issue in modal radio label? confirm this is literal rendered text and, if so, should it --> "service account" (lowercase + space)?
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I think we can leave this one since the i18n string refers to the specific k8s technical name
OCPBUGS-112263 When the Group model does not exist (Direct Authentication / external OIDC), the group selector gracefully degrades to free-form entry instead of showing an error alert. Users can type group names and press Enter or use the "Create" dropdown option to add groups. Rebased on top of PR openshift#17026 (service account impersonation support) which landed on main. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
6 participants
Analysis / Root cause:
OpenShift Console supports impersonating arbitrary users through the masthead menu, and Kubernetes exposes service accounts as impersonatable identities via
system:serviceaccount:<namespace>:<name>. However, the UI provides no first-class workflow for this:A customer must therefore hand-type the internal
system:serviceaccount:username, which is error-prone and undiscoverable. This PR implements RFE-9146.Solution description:
Adds first-class UI support for service account impersonation:
User/ServiceAccountselector to the masthead impersonation modal.ServiceAccountmode, the namespace is picked via the existing project dropdown (NsDropdown) and the service account via aResourceDropdownfed by a watch scoped to the selected namespace (the watch only starts once a namespace is chosen, avoiding a cluster-wide ServiceAccount listing). The modal constructs the canonicalsystem:serviceaccount:<namespace>:<name>identity.Impersonate service account <name>.Impersonate-Userheader / subprotocol.Test coverage:
e2e/tests/console/app/impersonation.spec.ts):UserPagepage object).Model does not existerror (waitForDetailsActionsrecovery helper onBasePage).Screenshots / screen recording:
Test setup:
Tested locally with CRC and a local bridge:
4.22http://localhost:9000(yarn dev-oncebuild)WEB_CONSOLE_URL=http://localhost:9000; test resources (namespace, service accounts, groups, user) are created and cleaned up by the test itselfTest cases:
Manual/API validation:
oc auth can-i --as=system:serviceaccount:<ns>:<name>.Impersonate service account <name>.Impersonate user <name>.Automated validation run:
yarn install && yarn i18nyarn test public/components/modals/__tests__/impersonate-user-modal.spec.tsx public/components/modals/__tests__/impersonate-user-modal-integration.spec.tsxyarn dev-once(bridge rebuild)WEB_CONSOLE_URL=http://localhost:9000 npx playwright test --project=console e2e/tests/console/app/impersonation.spec.ts --retries=0Known validation notes:
npx tsc --noEmit -p e2e/tsconfig.jsonreports pre-existing errors in e2e files untouched by this change.tsc --noEmitpasses cleanly.Browser conformance:
Additional info:
No backend-specific impersonation logic is added: Kubernetes treats service accounts as user identities via the
Impersonate-Userheader, so the UI constructs the canonical service account username and reuses the existing flow end-to-end.Heads-up for reviewers: #17063 (OCPBUGS-112263, free-form group entry) touches the same modal and test files. The two changes are functionally orthogonal (this PR replaces the namespace/name inputs with dropdowns; that PR adds free-form group entry), so whichever merges second will need a mostly mechanical rebase. Happy to take that rebase if this lands first.
Minimal AI disclosure: AI assistance was used to help draft and validate this change.
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Summary by CodeRabbit
New Features
Bug Fixes
Tests