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[英]How to scale a kubernetes deployment on GKE without using kubectl
[英]how to scale daemon set about kubernetes using kubectl
現在我只有終端來訪問 kubernetes 集群,像這樣檢查入口控制器:
$ k get daemonset --all-namespaces
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
kube-system traefik-ingress-controller 0 0 0 0 0 IngressProxy=true 60d
logging fluentd-es 0 0 0 0 0 beta.kubernetes.io/fluentd-ds-ready=true 28d
我現在使用 kubectl(v1.15.2) 來擴展守護進程集,如下所示:
kubectl scale --replicas=1 DaemonSet/traefik-ingress-controller -n kube-system
但它顯示:
Error from server (NotFound): the server could not find the requested resource
我應該怎么做才能使用命令行在終端中啟動 traefik? 這是我的守護進程集描述輸出:
~/Library/Mobile Documents/com~apple~CloudDocs/Document/k8s/work/traefik-deployment-yaml/k8s-backup ⌚ 17:49:58
$ k describe daemonset traefik-ingress-controller -n kube-system
Name: traefik-ingress-controller
Selector: app=traefik
Node-Selector: IngressProxy=true
Labels: app=traefik
Annotations: deprecated.daemonset.template.generation: 18
kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"apps/v1","kind":"DaemonSet","metadata":{"annotations":{},"labels":{"app":"traefik"},"name":"traefik-ingress-controller","na...
Desired Number of Nodes Scheduled: 0
Current Number of Nodes Scheduled: 0
Number of Nodes Scheduled with Up-to-date Pods: 0
Number of Nodes Scheduled with Available Pods: 0
Number of Nodes Misscheduled: 0
Pods Status: 0 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=traefik
Service Account: traefik-ingress-controller
Containers:
traefik-ingress-lb:
Image: traefik:v2.1.6
Ports: 80/TCP, 443/TCP, 8080/TCP
Host Ports: 80/TCP, 443/TCP, 0/TCP
Args:
--configfile=/config/traefik.yaml
--logLevel=INFO
--metrics=true
--metrics.prometheus=true
--entryPoints.metrics.address=:8080
--metrics.prometheus.entryPoint=metrics
--metrics.prometheus.addServicesLabels=true
--metrics.prometheus.addEntryPointsLabels=true
--metrics.prometheus.buckets=0.100000, 0.300000, 1.200000, 5.000000
Limits:
cpu: 2
memory: 1Gi
Requests:
cpu: 1
memory: 1Gi
Environment: <none>
Mounts:
/config from config (rw)
Volumes:
config:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: traefik-config
Optional: false
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedDaemonPod 3h32m daemonset-controller Found failed daemon pod kube-system/traefik-ingress-controller-wdpsq on node azshara-k8s03, will try to kill it
Normal SuccessfulDelete 3h32m daemonset-controller Deleted pod: traefik-ingress-controller-wdpsq
Normal SuccessfulCreate 3h32m daemonset-controller Created pod: traefik-ingress-controller-qmttl
Warning FailedDaemonPod 3h32m daemonset-controller Found failed daemon pod kube-system/traefik-ingress-controller-qmttl on node azshara-k8s03, will try to kill it
Normal SuccessfulDelete 3h32m daemonset-controller Deleted pod: traefik-ingress-controller-qmttl
Normal SuccessfulCreate 3h32m daemonset-controller Created pod: traefik-ingress-controller-nlxwc
您不需要擴展 K8s 上的守護進程集。
Daemon Set 確保所有符合條件的節點都運行 Pod 的副本。 .
隨着節點被添加到集群中,Pod 也會被添加到它們中。 因此,您需要將新節點添加到集群,並且守護程序集將被安排在那里,除非您有一個非常獨特的污點來禁止給定的守護程序集。
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