Files
runner-container-hooks/packages/k8s/tests/rwo-affinity-test.ts
T

144 lines
4.5 KiB
TypeScript

import * as fs from 'fs'
import { cleanupJob } from '../src/hooks'
import { prepareJob } from '../src/hooks/prepare-job'
import { TestHelper } from './test-setup'
import { getPodByName } from '../src/k8s'
import { ENV_USE_KUBE_SCHEDULER } from '../src/k8s/utils'
jest.useRealTimers()
let testHelper: TestHelper
let prepareJobData: any
let prepareJobOutputFilePath: string
describe('RWO Affinity Behavior (Scheduler Mode)', () => {
beforeEach(async () => {
testHelper = new TestHelper()
await testHelper.initialize()
prepareJobData = testHelper.getPrepareJobDefinition()
prepareJobOutputFilePath = testHelper.createFile('prepare-job-output.json')
})
afterEach(async () => {
await cleanupJob()
await testHelper.cleanup()
delete process.env[ENV_USE_KUBE_SCHEDULER]
})
it('should add nodeAffinity with hostname selector when scheduler mode is enabled', async () => {
process.env[ENV_USE_KUBE_SCHEDULER] = 'true'
await prepareJob(prepareJobData.args, prepareJobOutputFilePath)
const content = JSON.parse(
fs.readFileSync(prepareJobOutputFilePath).toString()
)
const pod = await getPodByName(content.state.jobPod)
expect(pod.spec?.affinity).toBeDefined()
expect(pod.spec?.affinity?.nodeAffinity).toBeDefined()
const nodeAffinity = pod.spec?.affinity?.nodeAffinity
expect(
nodeAffinity?.requiredDuringSchedulingIgnoredDuringExecution
).toBeDefined()
const nodeSelectorTerms =
nodeAffinity?.requiredDuringSchedulingIgnoredDuringExecution
?.nodeSelectorTerms
expect(nodeSelectorTerms).toBeDefined()
expect(nodeSelectorTerms?.length).toBeGreaterThan(0)
const matchExpressions = nodeSelectorTerms?.[0].matchExpressions
expect(matchExpressions).toBeDefined()
expect(matchExpressions?.length).toBeGreaterThan(0)
const hostnameExpression = matchExpressions?.[0]
expect(hostnameExpression?.key).toBe('kubernetes.io/hostname')
expect(hostnameExpression?.operator).toBe('In')
expect(hostnameExpression?.values).toBeDefined()
expect(hostnameExpression?.values?.length).toBeGreaterThan(0)
expect(hostnameExpression?.values?.[0]).toBeTruthy()
})
it('should NOT add nodeAffinity when scheduler mode is disabled', async () => {
process.env[ENV_USE_KUBE_SCHEDULER] = 'false'
await prepareJob(prepareJobData.args, prepareJobOutputFilePath)
const content = JSON.parse(
fs.readFileSync(prepareJobOutputFilePath).toString()
)
const pod = await getPodByName(content.state.jobPod)
if (pod.spec?.affinity) {
expect(pod.spec.affinity.nodeAffinity).toBeUndefined()
}
expect(pod.spec?.nodeName).toBeDefined()
})
it('should fail assertion if affinity block is missing when scheduler mode is enabled', async () => {
process.env[ENV_USE_KUBE_SCHEDULER] = 'true'
await prepareJob(prepareJobData.args, prepareJobOutputFilePath)
const content = JSON.parse(
fs.readFileSync(prepareJobOutputFilePath).toString()
)
const pod = await getPodByName(content.state.jobPod)
expect(pod.spec?.affinity).toBeDefined()
expect(pod.spec?.affinity?.nodeAffinity).toBeDefined()
expect(
pod.spec?.affinity?.nodeAffinity
?.requiredDuringSchedulingIgnoredDuringExecution
).toBeDefined()
const nodeSelectorTerms =
pod.spec?.affinity?.nodeAffinity
?.requiredDuringSchedulingIgnoredDuringExecution?.nodeSelectorTerms
expect(nodeSelectorTerms?.[0]?.matchExpressions?.[0]?.key).toBe(
'kubernetes.io/hostname'
)
expect(nodeSelectorTerms?.[0]?.matchExpressions?.[0]?.operator).toBe('In')
expect(
nodeSelectorTerms?.[0]?.matchExpressions?.[0]?.values?.length
).toBeGreaterThan(0)
})
it('should use correct node name from runner pod in affinity values', async () => {
process.env[ENV_USE_KUBE_SCHEDULER] = 'true'
const runnerPodName = process.env.ACTIONS_RUNNER_POD_NAME
await prepareJob(prepareJobData.args, prepareJobOutputFilePath)
const content = JSON.parse(
fs.readFileSync(prepareJobOutputFilePath).toString()
)
const jobPod = await getPodByName(content.state.jobPod)
const runnerPod = await getPodByName(runnerPodName!)
const affinityValues =
jobPod.spec?.affinity?.nodeAffinity
?.requiredDuringSchedulingIgnoredDuringExecution?.nodeSelectorTerms?.[0]
?.matchExpressions?.[0]?.values
expect(affinityValues).toBeDefined()
expect(affinityValues?.length).toBeGreaterThan(0)
if (runnerPod.spec?.nodeName) {
expect(affinityValues).toContain(runnerPod.spec.nodeName)
}
})
})