Deregister host saga

assets/js/state/sagas/hosts.js

@@ -1,5 +1,12 @@
-import { put, takeEvery } from 'redux-saga/effects';
-import { HOST_DEREGISTERED, removeHost } from '@state/hosts';
+import { put, call, takeEvery } from 'redux-saga/effects';
+import {
+  DEREGISTER_HOST,
+  HOST_DEREGISTERED,
+  removeHost,
+  setHostDeregistering,
+  setHostNotDeregistering,
+} from '@state/hosts';
+import { del } from '@lib/network';
 import { notify } from '@state/actions/notifications';
 
 export function* hostDeregistered({ payload }) {
@@ -12,6 +19,26 @@ export function* hostDeregistered({ payload }) {
   );
 }
 
+export function* deregisterHost({ payload }) {
+  yield put(setHostDeregistering(payload));
+  try {
+    yield call(del, `/hosts/${payload.id}`);
+  } catch (error) {
+    yield put(
+      notify({
+        text: `Error deregistering host ${payload?.hostname}.`,
+        icon: '❌',
+      })
+    );
+  } finally {
+    yield put(setHostNotDeregistering(payload));
+  }
+}
+
 export function* watchHostDeregistered() {
   yield takeEvery(HOST_DEREGISTERED, hostDeregistered);
 }
+
+export function* watchDeregisterHost() {
+  yield takeEvery(DEREGISTER_HOST, deregisterHost);
+}

assets/js/state/sagas/hosts.test.js

@@ -1,9 +1,29 @@
+import MockAdapter from 'axios-mock-adapter';
+
 import { recordSaga } from '@lib/test-utils';
-import { hostDeregistered } from '@state/sagas/hosts';
-import { removeHost } from '@state/hosts';
+import { networkClient } from '@lib/network';
+import { deregisterHost, hostDeregistered } from '@state/sagas/hosts';
+import {
+  removeHost,
+  setHostDeregistering,
+  setHostNotDeregistering,
+} from '@state/hosts';
+import { notify } from '@state/actions/notifications';
 import { hostFactory } from '@lib/test-utils/factories';
 
+const axiosMock = new MockAdapter(networkClient);
+
 describe('Hosts sagas', () => {
+  beforeEach(() => {
+    axiosMock.reset();
+    jest.spyOn(console, 'error').mockImplementation(() => null);
+  });
+
+  afterEach(() => {
+    /* eslint-disable-next-line */
+    console.error.mockRestore();
+  });
+
   it('should remove the host', async () => {
     const { id, hostname } = hostFactory.build();
     const payload = { id, hostname };
@@ -14,4 +34,38 @@ describe('Hosts sagas', () => {
 
     expect(dispatched).toContainEqual(removeHost(payload));
   });
+
+  it('should send host deregister request', async () => {
+    const host = hostFactory.build();
+
+    axiosMock.onDelete(`/hosts/${host.id}`).reply(204, {});
+
+    const dispatched = await recordSaga(deregisterHost, {
+      payload: host,
+    });
+
+    expect(dispatched).toEqual([
+      setHostDeregistering(host),
+      setHostNotDeregistering(host),
+    ]);
+  });
+
+  it('should notify error on host deregistration request', async () => {
+    const host = hostFactory.build();
+
+    axiosMock.onDelete(`/hosts/${host.id}`).reply(404, {});
+
+    const dispatched = await recordSaga(deregisterHost, {
+      payload: host,
+    });
+
+    expect(dispatched).toEqual([
+      setHostDeregistering(host),
+      notify({
+        text: `Error deregistering host ${host.hostname}.`,
+        icon: '❌',
+      }),
+      setHostNotDeregistering(host),
+    ]);
+  });
 });

assets/js/state/sagas/index.js

@@ -62,7 +62,7 @@ import { watchAcceptEula } from '@state/sagas/eula';
 import { watchCatalogUpdate } from '@state/sagas/catalog';
 import { watchSapSystem } from '@state/sagas/sapSystems';
 import { watchDatabase } from '@state/sagas/databases';
-import { watchHostDeregistered } from '@state/sagas/hosts';
+import { watchHostDeregistered, watchDeregisterHost } from '@state/sagas/hosts';
 import { watchClusterDeregistered } from '@state/sagas/clusters';
 
 import {
@@ -410,5 +410,6 @@ export default function* rootSaga() {
     watchAcceptEula(),
     refreshHealthSummaryOnComnponentsHealthChange(),
     watchPerformLogin(),
+    watchDeregisterHost(),
   ]);
 }