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Merge pull request #120749 from borg-land/skip-kube-dns-tests-when-missing

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Skip kube-dns tests if coredns is installed
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Kubernetes Prow Robot 2023-09-19 07:45:06 -07:00 committed by GitHub
commit 89d822198f
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4 changed files with 18 additions and 12 deletions
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1
cluster/addons/dns/kube-dns/kube-dns.yaml.base
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@ -65,6 +65,7 @@ metadata:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/name: "KubeDNS"
spec:
# replicas: not specified here:
# 1. In order to make Addon Manager do not reconcile this replicas parameter.

13
cluster/addons/dns/kube-dns/kube-dns.yaml.in
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@ -30,7 +30,7 @@ metadata:
spec:
selector:
k8s-app: kube-dns
clusterIP: dns_server
clusterIP: {{ pillar['dns_server'] }}
ports:
- name: dns
port: 53
@ -65,6 +65,7 @@ metadata:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/name: "KubeDNS"
spec:
# replicas: not specified here:
# 1. In order to make Addon Manager do not reconcile this replicas parameter.
@ -121,7 +122,7 @@ spec:
# guaranteed class. Currently, this container falls into the
# "burstable" category so the kubelet doesn't backoff from restarting it.
limits:
memory: 'dns_memory_limit'
memory: {{ pillar['dns_memory_limit'] }}
requests:
cpu: 100m
memory: 70Mi
@ -144,7 +145,7 @@ spec:
initialDelaySeconds: 3
timeoutSeconds: 5
args:
- --domain=dns_domain.
- --domain={{ pillar['dns_domain'] }}.
- --dns-port=10053
- --config-dir=/kube-dns-config
- --v=2
@ -191,7 +192,7 @@ spec:
- --no-negcache
- --dns-loop-detect
- --log-facility=-
- --server=/dns_domain/127.0.0.1#10053
- --server=/{{ pillar['dns_domain'] }}/127.0.0.1#10053
- --server=/in-addr.arpa/127.0.0.1#10053
- --server=/ip6.arpa/127.0.0.1#10053
ports:
@ -230,8 +231,8 @@ spec:
args:
- --v=2
- --logtostderr
- --probe=kubedns,127.0.0.1:10053,kubernetes.default.svc.dns_domain,5,SRV
- --probe=dnsmasq,127.0.0.1:53,kubernetes.default.svc.dns_domain,5,SRV
- --probe=kubedns,127.0.0.1:10053,kubernetes.default.svc.{{ pillar['dns_domain'] }},5,SRV
- --probe=dnsmasq,127.0.0.1:53,kubernetes.default.svc.{{ pillar['dns_domain'] }},5,SRV
ports:
- containerPort: 10054
name: metrics

1
cluster/addons/dns/kube-dns/kube-dns.yaml.sed
View File

@ -65,6 +65,7 @@ metadata:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/name: "KubeDNS"
spec:
# replicas: not specified here:
# 1. In order to make Addon Manager do not reconcile this replicas parameter.

15
test/e2e/autoscaling/dns_autoscaling.go
View File

@ -41,8 +41,8 @@ import (
// Constants used in dns-autoscaling test.
const (
DNSdefaultTimeout = 5 * time.Minute
ClusterAddonLabelKey = "k8s-app"
DNSLabelName = "kube-dns"
ClusterAddonLabelKey = "kubernetes.io/name"
DNSLabelName = "KubeDNS"
DNSAutoscalerLabelName = "kube-dns-autoscaler"
)
@ -57,16 +57,19 @@ var _ = SIGDescribe("DNS horizontal autoscaling", func() {
var DNSParams3 DNSParamsLinear
ginkgo.BeforeEach(func(ctx context.Context) {
e2eskipper.SkipUnlessProviderIs("gce", "gke")
c = f.ClientSet
nodes, err := e2enode.GetReadySchedulableNodes(ctx, c)
framework.ExpectNoError(err)
nodeCount := len(nodes.Items)
ginkgo.By("Collecting original replicas count and DNS scaling params")
originDNSReplicasCount, err = getDNSReplicas(ctx, c)
framework.ExpectNoError(err)
if err != nil {
if strings.Contains(err.Error(), "expected 1 DNS deployment") && originDNSReplicasCount == 0 {
e2eskipper.Skipf(err.Error())
}
framework.Failf("unexpected error: %v", err)
}
pcm, err := fetchDNSScalingConfigMap(ctx, c)
framework.ExpectNoError(err)
@ -311,7 +314,7 @@ func getDNSReplicas(ctx context.Context, c clientset.Interface) (int, error) {
return 0, err
}
if len(deployments.Items) != 1 {
return 0, fmt.Errorf("expected 1 DNS deployment, got %v", len(deployments.Items))
return len(deployments.Items), fmt.Errorf("expected 1 DNS deployment, got %v", len(deployments.Items))
}
deployment := deployments.Items[0]