manifest, err = manifest.SetConsulJobInstanceCount(3)
Expect(err).NotTo(HaveOccurred())
yaml, err := manifest.ToYAML()
Expect(err).NotTo(HaveOccurred())
_, err = boshClient.Deploy(yaml)
Expect(err).NotTo(HaveOccurred())
Eventually(func() ([]bosh.VM, error) {
return helpers.DeploymentVMs(boshClient, manifest.Name)
}, "1m", "10s").Should(ConsistOf(helpers.GetVMsFromManifest(manifest)))
})
By("checking if value was persisted", func() {
actualVal, err := kv.Get(testKey)
Expect(err).NotTo(HaveOccurred())
Expect(actualVal).To(Equal(testValue))
})
By("setting a persistent value to check if the cluster is up", func() {
err := kv.Set(testKey, testValue)
Expect(err).NotTo(HaveOccurred())
})
})
})
Describe("scaling from 3 nodes to 5", func() {
BeforeEach(func() {
guid, err := helpers.NewGUID()
Expect(err).NotTo(HaveOccurred())
Expect(err).NotTo(HaveOccurred())
})
})
Context("when a consul node is killed", func() {
It("is still able to function on healthy vms", func() {
By("setting and getting a value", func() {
guid, err := helpers.NewGUID()
Expect(err).NotTo(HaveOccurred())
testKey := "consul-key-" + guid
testValue := "consul-value-" + guid
err = kv.Set(testKey, testValue)
Expect(err).NotTo(HaveOccurred())
value, err := kv.Get(testKey)
Expect(err).NotTo(HaveOccurred())
Expect(value).To(Equal(testValue))
})
By("killing indices", func() {
for i := 0; i < 5; i++ {
err := boshClient.SetVMResurrection(consulManifest.Name, "consul", i, false)
Expect(err).NotTo(HaveOccurred())
}
leader, err := jobIndexOfLeader(kv, boshClient, consulManifest.Name)
Expect(err).ToNot(HaveOccurred())
rand.Seed(time.Now().Unix())
startingIndex := rand.Intn(3)