mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-25 20:53:33 +00:00
Merge pull request #32406 from MrHohn/kubedns-healthz
Automatic merge from submit-queue Split dns healthcheck into two different urls Attempt to fix #30633. <s>This new kube-dns pod template creates two exechealthz processes listen on two different ports for kubedns and dnsmasq correspondingly. @thockin @girishkalele
This commit is contained in:
commit
b79c99da1b
@ -35,7 +35,6 @@ spec:
|
||||
labels:
|
||||
k8s-app: kube-dns
|
||||
version: v19
|
||||
kubernetes.io/cluster-service: "true"
|
||||
annotations:
|
||||
scheduler.alpha.kubernetes.io/critical-pod: ''
|
||||
scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
|
||||
@ -55,7 +54,7 @@ spec:
|
||||
memory: 70Mi
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
path: /healthz-kubedns
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
@ -85,6 +84,15 @@ spec:
|
||||
protocol: TCP
|
||||
- name: dnsmasq
|
||||
image: gcr.io/google_containers/kube-dnsmasq-amd64:1.3
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz-dnsmasq
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
timeoutSeconds: 5
|
||||
successThreshold: 1
|
||||
failureThreshold: 5
|
||||
args:
|
||||
- --cache-size=1000
|
||||
- --no-resolv
|
||||
@ -98,7 +106,7 @@ spec:
|
||||
name: dns-tcp
|
||||
protocol: TCP
|
||||
- name: healthz
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.1
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.2
|
||||
resources:
|
||||
limits:
|
||||
memory: 50Mi
|
||||
@ -110,9 +118,12 @@ spec:
|
||||
# net memory requested by the pod constant.
|
||||
memory: 50Mi
|
||||
args:
|
||||
- -cmd=nslookup kubernetes.default.svc.__PILLAR__DNS__DOMAIN__ 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.__PILLAR__DNS__DOMAIN__ 127.0.0.1:10053 >/dev/null
|
||||
- -port=8080
|
||||
- -quiet
|
||||
- --cmd=nslookup kubernetes.default.svc.__PILLAR__DNS__DOMAIN__ 127.0.0.1 >/dev/null
|
||||
- --url=/healthz-dnsmasq
|
||||
- --cmd=nslookup kubernetes.default.svc.__PILLAR__DNS__DOMAIN__ 127.0.0.1:10053 >/dev/null
|
||||
- --url=/healthz-kubedns
|
||||
- --port=8080
|
||||
- --quiet
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
|
@ -55,7 +55,7 @@ spec:
|
||||
memory: 70Mi
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
path: /healthz-kubedns
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
@ -97,8 +97,17 @@ spec:
|
||||
- containerPort: 53
|
||||
name: dns-tcp
|
||||
protocol: TCP
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz-dnsmasq
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
timeoutSeconds: 5
|
||||
successThreshold: 1
|
||||
failureThreshold: 5
|
||||
- name: healthz
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.1
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.2
|
||||
resources:
|
||||
limits:
|
||||
memory: 50Mi
|
||||
@ -110,9 +119,12 @@ spec:
|
||||
# net memory requested by the pod constant.
|
||||
memory: 50Mi
|
||||
args:
|
||||
- -cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1:10053 >/dev/null
|
||||
- -port=8080
|
||||
- -quiet
|
||||
- --cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null
|
||||
- --url=/healthz-dnsmasq
|
||||
- --cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1:10053 >/dev/null
|
||||
- --url=/healthz-kubedns
|
||||
- --port=8080
|
||||
- --quiet
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
|
@ -55,7 +55,7 @@ spec:
|
||||
memory: 70Mi
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
path: /healthz-kubedns
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
@ -96,8 +96,17 @@ spec:
|
||||
- containerPort: 53
|
||||
name: dns-tcp
|
||||
protocol: TCP
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz-dnsmasq
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
timeoutSeconds: 5
|
||||
successThreshold: 1
|
||||
failureThreshold: 5
|
||||
- name: healthz
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.1
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.2
|
||||
resources:
|
||||
limits:
|
||||
memory: 50Mi
|
||||
@ -109,9 +118,12 @@ spec:
|
||||
# net memory requested by the pod constant.
|
||||
memory: 50Mi
|
||||
args:
|
||||
- -cmd=nslookup kubernetes.default.svc.$DNS_DOMAIN 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.$DNS_DOMAIN 127.0.0.1:10053 >/dev/null
|
||||
- -port=8080
|
||||
- -quiet
|
||||
- --cmd=nslookup kubernetes.default.svc.$DNS_DOMAIN 127.0.0.1 >/dev/null
|
||||
- --url=/healthz-dnsmasq
|
||||
- --cmd=nslookup kubernetes.default.svc.$DNS_DOMAIN 127.0.0.1:10053 >/dev/null
|
||||
- --url=/healthz-kubedns
|
||||
- --port=8080
|
||||
- --quiet
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
|
@ -1,23 +1,25 @@
|
||||
apiVersion: v1
|
||||
kind: ReplicationController
|
||||
metadata:
|
||||
name: kube-dns-v15
|
||||
name: kube-dns-v19
|
||||
namespace: kube-system
|
||||
labels:
|
||||
k8s-app: kube-dns
|
||||
version: v15
|
||||
version: v19
|
||||
kubernetes.io/cluster-service: "true"
|
||||
spec:
|
||||
replicas: ${DNS_REPLICAS}
|
||||
selector:
|
||||
k8s-app: kube-dns
|
||||
version: v15
|
||||
version: v19
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
k8s-app: kube-dns
|
||||
version: v15
|
||||
kubernetes.io/cluster-service: "true"
|
||||
version: v19
|
||||
annotations:
|
||||
scheduler.alpha.kubernetes.io/critical-pod: ''
|
||||
scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
|
||||
spec:
|
||||
containers:
|
||||
- name: kubedns
|
||||
@ -28,14 +30,13 @@ spec:
|
||||
# guaranteed class. Currently, this container falls into the
|
||||
# "burstable" category so the kubelet doesn't backoff from restarting it.
|
||||
limits:
|
||||
cpu: 100m
|
||||
memory: 200Mi
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 100Mi
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
path: /healthz-kubedns
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
@ -63,7 +64,16 @@ spec:
|
||||
name: dns-tcp-local
|
||||
protocol: TCP
|
||||
- name: dnsmasq
|
||||
image: gcr.io/google_containers/dnsmasq:1.1
|
||||
image: gcr.io/google_containers/dnsmasq:1.3
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz-dnsmasq
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
timeoutSeconds: 5
|
||||
successThreshold: 1
|
||||
failureThreshold: 5
|
||||
args:
|
||||
- --cache-size=1000
|
||||
- --no-resolv
|
||||
@ -77,18 +87,24 @@ spec:
|
||||
name: dns-tcp
|
||||
protocol: TCP
|
||||
- name: healthz
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.0
|
||||
image: gcr.io/google_containers/exechealthz-amd64:1.2
|
||||
resources:
|
||||
# keep request = limit to keep this container in guaranteed class
|
||||
limits:
|
||||
cpu: 10m
|
||||
memory: 20Mi
|
||||
memory: 50Mi
|
||||
requests:
|
||||
cpu: 10m
|
||||
memory: 20Mi
|
||||
# Note that this container shouldn't really need 50Mi of memory. The
|
||||
# limits are set higher than expected pending investigation on #29688.
|
||||
# The extra memory was stolen from the kubedns container to keep the
|
||||
# net memory requested by the pod constant.
|
||||
memory: 50Mi
|
||||
args:
|
||||
- -cmd=nslookup kubernetes.default.svc.${DNS_DOMAIN} 127.0.0.1 >/dev/null
|
||||
- -port=8080
|
||||
- --cmd=nslookup kubernetes.default.svc.${DNS_DOMAIN} 127.0.0.1 >/dev/null
|
||||
- --url=/healthz-dnsmasq
|
||||
- --cmd=nslookup kubernetes.default.svc.${DNS_DOMAIN} 127.0.0.1:10053 >/dev/null
|
||||
- --url=/healthz-kubedns
|
||||
- --port=8080
|
||||
- --quiet
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
|
@ -12,30 +12,30 @@
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
# This file should be kept in sync with cluster/images/hyperkube/dns-rc.yaml
|
||||
|
||||
# Warning: This is a file generated from the base underscore template file: skydns-rc.yaml.base
|
||||
|
||||
apiVersion: v1
|
||||
kind: ReplicationController
|
||||
metadata:
|
||||
name: kube-dns-v18
|
||||
name: kube-dns-v19
|
||||
namespace: kube-system
|
||||
labels:
|
||||
k8s-app: kube-dns
|
||||
version: v18
|
||||
version: v19
|
||||
kubernetes.io/cluster-service: "true"
|
||||
spec:
|
||||
replicas: {{ pillar['dns_replicas'] }}
|
||||
selector:
|
||||
k8s-app: kube-dns
|
||||
version: v18
|
||||
version: v19
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
k8s-app: kube-dns
|
||||
version: v18
|
||||
kubernetes.io/cluster-service: "true"
|
||||
version: v19
|
||||
annotations:
|
||||
scheduler.alpha.kubernetes.io/critical-pod: ''
|
||||
scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
|
||||
spec:
|
||||
containers:
|
||||
- name: kubedns
|
||||
@ -46,14 +46,13 @@ spec:
|
||||
# guaranteed class. Currently, this container falls into the
|
||||
# "burstable" category so the kubelet doesn't backoff from restarting it.
|
||||
limits:
|
||||
cpu: 100m
|
||||
memory: 200Mi
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 100Mi
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz
|
||||
path: /healthz-kubedns
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
@ -84,6 +83,15 @@ spec:
|
||||
protocol: TCP
|
||||
- name: dnsmasq
|
||||
image: gcr.io/google_containers/kube-dnsmasq-{{ arch }}:1.3
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /healthz-dnsmasq
|
||||
port: 8080
|
||||
scheme: HTTP
|
||||
initialDelaySeconds: 60
|
||||
timeoutSeconds: 5
|
||||
successThreshold: 1
|
||||
failureThreshold: 5
|
||||
args:
|
||||
- --cache-size=1000
|
||||
- --no-resolv
|
||||
@ -97,19 +105,24 @@ spec:
|
||||
name: dns-tcp
|
||||
protocol: TCP
|
||||
- name: healthz
|
||||
image: gcr.io/google_containers/exechealthz-{{ arch }}:1.0
|
||||
image: gcr.io/google_containers/exechealthz-{{ arch }}:1.2
|
||||
resources:
|
||||
# keep request = limit to keep this container in guaranteed class
|
||||
limits:
|
||||
cpu: 10m
|
||||
memory: 20Mi
|
||||
memory: 50Mi
|
||||
requests:
|
||||
cpu: 10m
|
||||
memory: 20Mi
|
||||
# Note that this container shouldn't really need 50Mi of memory. The
|
||||
# limits are set higher than expected pending investigation on #29688.
|
||||
# The extra memory was stolen from the kubedns container to keep the
|
||||
# net memory requested by the pod constant.
|
||||
memory: 50Mi
|
||||
args:
|
||||
- -cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1:10053 >/dev/null
|
||||
- -port=8080
|
||||
- -quiet
|
||||
- --cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null
|
||||
- --url=/healthz-dnsmasq
|
||||
- --cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1:10053 >/dev/null
|
||||
- --url=/healthz-kubedns
|
||||
- --port=8080
|
||||
- --quiet
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
|
Loading…
Reference in New Issue
Block a user