Ω(a2.Desired).Should(BeZero())
Ω(a2.InstanceHeartbeats).Should(HaveLen(1))
Ω(a2.InstanceHeartbeats).Should(ContainElement(app2.InstanceAtIndex(0).Heartbeat()))
Ω(a2.CrashCounts[0]).Should(Equal(crashCount[2]))
a3 := apps[app3.AppGuid+","+app3.AppVersion]
Ω(a3.Desired).Should(EqualDesiredState(app3.DesiredState(1)))
Ω(a3.InstanceHeartbeats).Should(HaveLen(0))
Ω(a3.CrashCounts).Should(BeEmpty())
})
})
Context("when there is an empty app directory", func() {
It("should ignore that app directory", func() {
storeAdapter.SetMulti([]storeadapter.StoreNode{{
Key: "/hm/v1/apps/actual/foo-bar",
Value: []byte("foo"),
}})
apps, err := store.GetApps()
Ω(err).ShouldNot(HaveOccurred())
Ω(apps).Should(HaveLen(3))
})
})
})
Describe("GetApp", func() {
Context("when there are no store errors", func() {
Context("when the app has desired and actual state", func() {
It("should return the app", func() {
app, err := store.GetApp(app1.AppGuid, app1.AppVersion)
Ω(err).ShouldNot(HaveOccurred())
BeforeEach(func() {
store.BumpDesiredFreshness(time.Unix(100, 0))
})
It("returns that the state is fresh", func() {
fresh, err := store.IsDesiredStateFresh()
Ω(err).ShouldNot(HaveOccurred())
Ω(fresh).Should(BeTrue())
})
})
Context("when the store returns an error", func() {
BeforeEach(func() {
err := storeAdapter.SetMulti([]storeadapter.StoreNode{
{
Key: "/hm/v1/desired-fresh/mwahaha",
Value: []byte("i'm a directory...."),
},
})
Ω(err).ShouldNot(HaveOccurred())
})
It("should return the store's error", func() {
fresh, err := store.IsDesiredStateFresh()
Ω(err).Should(Equal(storeadapter.ErrorNodeIsDirectory))
Ω(fresh).Should(BeFalse())
})
})
})
Describe("Checking actual state freshness", func() {
Context("if the freshness key is not present", func() {
storeAdapter = etcdstoreadapter.NewETCDStoreAdapter(etcdRunner.NodeURLS(),
workpool.NewWorkPool(conf.StoreMaxConcurrentRequests))
err = storeAdapter.Connect()
Ω(err).ShouldNot(HaveOccurred())
store = NewStore(conf, storeAdapter, fakelogger.NewFakeLogger())
})
Describe("Deleting old schema version", func() {
BeforeEach(func() {
storeAdapter.SetMulti([]storeadapter.StoreNode{
{Key: "/hm/v3/delete/me", Value: []byte("abc")},
{Key: "/hm/v16/delete/me", Value: []byte("abc")},
{Key: "/hm/v17/leave/me/alone", Value: []byte("abc")},
{Key: "/hm/v17/leave/me/v1/alone", Value: []byte("abc")},
{Key: "/hm/v18/leave/me/alone", Value: []byte("abc")},
{Key: "/hm/delete/me", Value: []byte("abc")},
{Key: "/hm/v1ola/delete/me", Value: []byte("abc")},
{Key: "/hm/delete/me/too", Value: []byte("abc")},
{Key: "/hm/locks/keep", Value: []byte("abc")},
{Key: "/other/keep", Value: []byte("abc")},
{Key: "/foo", Value: []byte("abc")},
{Key: "/v3/keep", Value: []byte("abc")},
})
err := store.Compact()
Ω(err).ShouldNot(HaveOccurred())
})
It("should delete everything under older versions", func() {
_, err := storeAdapter.Get("/hm/v3/delete/me")
Ω(err).Should(Equal(storeadapter.ErrorKeyNotFound))
Context("when an existing app has a new service (create)", func() {
It("adds that service to the outgoing add channel", func(done Done) {
app2Service2 := domain.AppService{AppId: app2Service1.AppId, Url: "syslog://new.example.com:12345"}
adapter.Create(buildNode(app2Service2))
Expect(<-outAddChan).To(Equal(app2Service2))
assertNoDataOnChannel(outRemoveChan)
close(done)
})
})
Context("When an existing app gets a new service (update)", func() {
It("adds that service to the outgoing add channel", func(done Done) {
app2Service2 := domain.AppService{AppId: app2Service1.AppId, Url: "syslog://new.example.com:12345"}
adapter.SetMulti([]storeadapter.StoreNode{buildNode(app2Service2)})
Expect(<-outAddChan).To(Equal(app2Service2))
assertNoDataOnChannel(outRemoveChan)
close(done)
})
})
Context("when a new app appears", func() {
It("adds that app and its services to the outgoing add channel", func(done Done) {
app3Service1 := domain.AppService{AppId: "app-3", Url: "syslog://app3.example.com:12345"}
app3Service2 := domain.AppService{AppId: "app-3", Url: "syslog://app3.example.com:12346"}
adapter.Create(buildNode(app3Service1))
adapter.Create(buildNode(app3Service2))