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Fix a bug with Canary becoming main server

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This commit is contained in:
Maxime Ginters 2018-12-05 09:39:19 -05:00
parent cc2b54472a
commit af460f7e15
4 changed files with 449 additions and 28 deletions
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50
test/e2e/annotations/canary.go
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@ -192,4 +192,54 @@ var _ = framework.IngressNginxDescribe("Annotations - canary", func() {
Expect(body).ShouldNot(ContainSubstring("http-svc-canary"))
})
})
Context("Single canary Ingress", func() {
It("should not use canary as a catch-all server", func() {
host := "foo"
canaryIngName := fmt.Sprintf("%v-canary", host)
annotations := map[string]string{
"nginx.ingress.kubernetes.io/canary": "true",
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
}
ing := framework.NewSingleCatchAllIngress(canaryIngName, f.IngressController.Namespace, "http-svc-canary", 80, &annotations)
f.EnsureIngress(ing)
ing = framework.NewSingleCatchAllIngress(host, f.IngressController.Namespace, "http-svc", 80, nil)
f.EnsureIngress(ing)
f.WaitForNginxServer("_",
func(server string) bool {
upstreamName := fmt.Sprintf(`set $proxy_upstream_name "%s-%s-%s";`, f.IngressController.Namespace, "http-svc", "80")
canaryUpstreamName := fmt.Sprintf(`set $proxy_upstream_name "%s-%s-%s";`, f.IngressController.Namespace, "http-svc-canary", "80")
return Expect(server).Should(ContainSubstring(`set $ingress_name "`+host+`";`)) &&
Expect(server).ShouldNot(ContainSubstring(`set $proxy_upstream_name "upstream-default-backend";`)) &&
Expect(server).ShouldNot(ContainSubstring(canaryUpstreamName)) &&
Expect(server).Should(ContainSubstring(upstreamName))
})
})
It("should not use canary with domain as a server", func() {
host := "foo"
canaryIngName := fmt.Sprintf("%v-canary", host)
annotations := map[string]string{
"nginx.ingress.kubernetes.io/canary": "true",
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
}
ing := framework.NewSingleIngress(canaryIngName, "/", host, f.IngressController.Namespace, "http-svc-canary", 80, &annotations)
f.EnsureIngress(ing)
otherHost := "bar"
ing = framework.NewSingleIngress(otherHost, "/", otherHost, f.IngressController.Namespace, "http-svc", 80, nil)
f.EnsureIngress(ing)
time.Sleep(waitForLuaSync)
f.WaitForNginxConfiguration(func(cfg string) bool {
return Expect(cfg).Should(ContainSubstring("server_name "+otherHost)) &&
Expect(cfg).ShouldNot(ContainSubstring("server_name "+host))
})
})
})
})