})
It("drives a container lifecycle", func() {
err := gardenChecker.Healthcheck(logger)
By("Fetching any pre-existing healthcheck containers")
Expect(gardenClient.ContainersCallCount()).To(Equal(1))
By("Deleting all pre-existing-containers")
//call count is two because we also expect to destroy the container we create
Expect(gardenClient.DestroyCallCount()).To(Equal(2))
guid := gardenClient.DestroyArgsForCall(0)
Expect(guid).To(Equal("old-guid"))
By("Creates the container")
Expect(gardenClient.CreateCallCount()).To(Equal(1))
containerSpec := gardenClient.CreateArgsForCall(0)
Expect(containerSpec).To(Equal(garden.ContainerSpec{
Handle: "executor-healthcheck-abc-123",
RootFSPath: rootfsPath,
Properties: garden.Properties{
gardenstore.ContainerOwnerProperty: containerOwnerName,
gardenstore.TagPropertyPrefix + gardenhealth.HealthcheckTag: gardenhealth.HealthcheckTagValue,
},
}))
By("Runs the process")
Expect(fakeContainer.RunCallCount()).To(Equal(1))
procSpec, procIO := fakeContainer.RunArgsForCall(0)
Expect(procSpec).To(Equal(healthcheckSpec))
Context("when creating the garden container works", func() {
var fakeContainer *gfakes.FakeContainer
BeforeEach(func() {
fakeContainer = new(gfakes.FakeContainer)
fakeContainer.HandleReturns("some-handle")
fakeGardenClient.CreateReturns(fakeContainer, nil)
})
It("succeeds", func() {
Expect(createErr).NotTo(HaveOccurred())
})
It("creates the container with the Garden client", func() {
Expect(fakeGardenClient.CreateCallCount()).To(Equal(1))
Expect(fakeGardenClient.CreateArgsForCall(0)).To(Equal(garden.ContainerSpec{
RootFSPath: "some-resource-image",
Privileged: true,
Properties: garden.Properties{},
}))
})
It("creates the container info in the database", func() {
expectedIdentifier := db.ContainerIdentifier(id)
expectedIdentifier.WorkerName = "my-garden-worker"
container := db.Container{
Handle: "some-handle",
ContainerIdentifier: expectedIdentifier,
}
Context("when creating works", func() {
var fakeContainer *gfakes.FakeContainer
BeforeEach(func() {
fakeContainer = new(gfakes.FakeContainer)
fakeContainer.HandleReturns("some-handle")
fakeGardenClient.CreateReturns(fakeContainer, nil)
})
It("succeeds", func() {
Ω(createErr).ShouldNot(HaveOccurred())
})
It("creates the container with the Garden client", func() {
Ω(fakeGardenClient.CreateCallCount()).Should(Equal(1))
Ω(fakeGardenClient.CreateArgsForCall(0)).Should(Equal(garden.ContainerSpec{
RootFSPath: "some-resource-image",
Privileged: true,
Properties: garden.Properties{
"concourse:type": "get",
"concourse:pipeline-name": "some-pipeline",
"concourse:location": "3",
"concourse:check-type": "some-check-type",
"concourse:check-source": "{\"some\":\"source\"}",
"concourse:name": "some-name",
"concourse:build-id": "42",
},
}))
})
