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[root@master redis-demo]# kubectl get pods No resources found. [root@master redis-demo]# kubectl get pods -A NAMESPACE NAME READY STATUS RESTARTS AGE ingress-nginx nginx-ingress-controller-688987f6c9-tndbc 1/1 Running 6 8d jenkins jenkins-0 1/1 Running 5 7d15h kube-system coredns-5c98db65d4-nfvxv 1/1 Running 10 21d kube-system coredns-5c98db65d4-xm9nr 1/1 Running 10 21d kube-system etcd-master 1/1 Running 10 21d kube-system kube-apiserver-master 1/1 Running 10 21d kube-system kube-controller-manager-master 1/1 Running 11 21d kube-system kube-flannel-ds-nfxth 1/1 Running 13 21d kube-system kube-flannel-ds-q58bw 1/1 Running 14 21d kube-system kube-flannel-ds-tszlp 1/1 Running 10 21d kube-system kube-proxy-j7ds7 1/1 Running 10 21d kube-system kube-proxy-khj57 1/1 Running 8 21d kube-system kube-proxy-mfhlv 1/1 Running 8 21d kube-system kube-scheduler-master 1/1 Running 10 21d nginx-demo vol-emptydir-pod 2/2 Running 0 5h11m redis-demo vol-redis-pod 0/1 ContainerCreating 0 3h55m [root@master redis-demo]#
方法一:
[root@master redis-demo]# kubectl get pod -A |grep -v kube-system
NAMESPACE NAME READY STATUS RESTARTS AGE
ingress-nginx nginx-ingress-controller-688987f6c9-tndbc 1/1 Running 6 8d
jenkins jenkins-0 1/1 Running 5 7d15h
nginx-demo vol-emptydir-pod 2/2 Running 0 5h29m
redis-demo vol-redis-pod 0/1 ContainerCreating 0 4h12m
方法二:
# kubectl get pod -A -o yaml |grep '^ n'|grep -v nodeSelector|awk 'NR%3==1{print ++n"\n"$0;next}1' 1 name: nginx-ingress-controller-688987f6c9-tndbc namespace: ingress-nginx nodeName: node2 2 name: jenkins-0 namespace: jenkins nodeName: node1 3 name: coredns-5c98db65d4-nfvxv namespace: kube-system nodeName: master 4 name: coredns-5c98db65d4-xm9nr namespace: kube-system nodeName: master 5 name: etcd-master namespace: kube-system nodeName: master 6 name: kube-apiserver-master namespace: kube-system nodeName: master 7 name: kube-controller-manager-master namespace: kube-system nodeName: master 8 name: kube-flannel-ds-nfxth namespace: kube-system nodeName: node2 9 name: kube-flannel-ds-q58bw namespace: kube-system nodeName: master 10 name: kube-flannel-ds-tszlp namespace: kube-system nodeName: node1 11 name: kube-proxy-j7ds7 namespace: kube-system nodeName: master 12 name: kube-proxy-khj57 namespace: kube-system nodeName: node2 13 name: kube-proxy-mfhlv namespace: kube-system nodeName: node1 14 name: kube-scheduler-master namespace: kube-system nodeName: master 15 name: vol-emptydir-pod namespace: nginx-demo nodeName: node2 16 name: vol-redis-pod namespace: redis-demo nodeName: node2
或者过滤掉系统中的Pod
[root@master redis-demo]# kubectl get pod -A -o yaml |grep '^ n'|grep -v nodeSelector|sed 'N;N;s/\n/ /g'|grep -v kube-system
name: nginx-ingress-controller-688987f6c9-tndbc namespace: ingress-nginx nodeName: node2
name: jenkins-0 namespace: jenkins nodeName: node1
name: vol-emptydir-pod namespace: nginx-demo nodeName: node2
name: vol-redis-pod namespace: redis-demo nodeName: node2
同理查看所有namespace中的Deployment
[root@master redis-demo]# kubectl get deploy -A
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
ingress-nginx nginx-ingress-controller 1/1 1 1 8d
kube-system coredns 2/2 2 2 21d
Examples: # List all pods in ps output format. kubectl get pods # List all pods in ps output format with more information (such as node name). kubectl get pods -o wide # List a single replication controller with specified NAME in ps output format. kubectl get replicationcontroller web # List deployments in JSON output format, in the "v1" version of the "apps" API group: kubectl get deployments.v1.apps -o json # List a single pod in JSON output format. kubectl get -o json pod web-pod-13je7 # List a pod identified by type and name specified in "pod.yaml" in JSON output format. kubectl get -f pod.yaml -o json # List resources from a directory with kustomization.yaml - e.g. dir/kustomization.yaml. kubectl get -k dir/ # Return only the phase value of the specified pod. kubectl get -o template pod/web-pod-13je7 --template={{.status.phase}} # List resource information in custom columns. kubectl get pod test-pod -o custom-columns=CONTAINER:.spec.containers[0].name,IMAGE:.spec.containers[0].image # List all replication controllers and services together in ps output format. kubectl get rc,services # List one or more resources by their type and names. kubectl get rc/web service/frontend pods/web-pod-13je7 Options: -A, --all-namespaces=false: If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace. --allow-missing-template-keys=true: If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats. --chunk-size=500: Return large lists in chunks rather than all at once. Pass 0 to disable. This flag is beta and may change in the future. --field-selector='': Selector (field query) to filter on, supports '=', '==', and '!='.(e.g. --field-selector key1=value1,key2=value2). The server only supports a limited number of field queries per type. -f, --filename=[]: Filename, directory, or URL to files identifying the resource to get from a server. --ignore-not-found=false: If the requested object does not exist the command will return exit code 0. -k, --kustomize='': Process the kustomization directory. This flag can't be used together with -f or -R. -L, --label-columns=[]: Accepts a comma separated list of labels that are going to be presented as columns. Names are case-sensitive. You can also use multiple flag options like -L label1 -L label2... --no-headers=false: When using the default or custom-column output format, don't print headers (default print headers). -o, --output='': Output format. One of: json|yaml|wide|name|custom-columns=...|custom-columns-file=...|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See custom columns [http://kubernetes.io/docs/user-guide/kubectl-overview/#custom-columns], golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://kubernetes.io/docs/user-guide/jsonpath]. --raw='': Raw URI to request from the server. Uses the transport specified by the kubeconfig file. -R, --recursive=false: Process the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory. -l, --selector='': Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2) --server-print=true: If true, have the server return the appropriate table output. Supports extension APIs and CRDs. --show-kind=false: If present, list the resource type for the requested object(s). --show-labels=false: When printing, show all labels as the last column (default hide labels column) --sort-by='': If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string. --template='': Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. -w, --watch=false: After listing/getting the requested object, watch for changes. Uninitialized objects are excluded if no object name is provided. --watch-only=false: Watch for changes to the requested object(s), without listing/getting first. Usage: kubectl get [(-o|--output=)json|yaml|wide|custom-columns=...|custom-columns-file=...|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=...] (TYPE[.VERSION][.GROUP] [NAME | -l label] | TYPE[.VERSION][.GROUP]/NAME ...) [flags] [options] Use "kubectl options" for a list of global command-line options (applies to all commands). unknown flag: --all
中文
#以ps输出格式列出所有Pod。 kubectl得到豆荚 #以ps输出格式列出所有Pod,并提供更多信息(例如节点名称)。 kubectl得到豆荚-o宽 #以ps输出格式列出具有指定名称的单个复制控制器。 kubectl获取replicationcontroller网站 #在“ apps” API组的“ v1”版本中以JSON输出格式列出部署: kubectl获取deployments.v1.apps -o json #以JSON输出格式列出单个Pod。 kubectl get -o json pod web-pod-13je7 #以JSON输出格式列出通过“ pod.yaml”中指定的类型和名称标识的Pod。 kubectl get -f pod.yaml -o json #使用kustomization.yaml从目录中列出资源-例如dir / kustomization.yaml。 kubectl获取-k目录/ #仅返回指定Pod的相位值。 kubectl get -o template pod / web-pod-13je7 --template = {{。status.phase}} #在自定义列中列出资源信息。 kubectl get pod test-pod -o custom-columns = CONTAINER:.spec.containers [0] .name,IMAGE:.spec.containers [0] .image #以ps输出格式一起列出所有复制控制器和服务。 kubectl get rc,服务 #按类型和名称列出一个或多个资源。 kubectl获取rc / web服务/前端pods / web-pod-13je7 选项: -A,--all-namespaces = false:如果存在,则在所有命名空间中列出请求的对象。即使使用--namespace指定,当前上下文中的命名空间也将被忽略。 --allow-missing-template-keys = true:如果为true,则当模板中缺少字段或映射键时,忽略模板中的任何错误。仅适用于golang和jsonpath输出格式。 --chunk-size = 500:以大块而不是一次全部返回大列表。传递0禁用。该标志是beta,将来可能会更改。 --field-selector ='':要过滤的选择器(字段查询),支持'=','=='和'!='(例如--field-selector key1 = value1,key2 = value2)。该服务器仅支持每种类型有限数量的字段查询。 -f,--filename = []:标识从服务器获取资源的文件的文件名,目录或URL。 --ignore-not-found = false:如果所请求的对象不存在,该命令将返回退出代码0。 -k,--kustomize ='':处理kustomization目录。该标志不能与-f或-R一起使用。 -L,--label-columns = []:接受以逗号分隔的标签列表,这些标签将作为列显示。名称区分大小写。您还可以使用多个标志选项,例如-L label1 -L label2 ... --no-headers = false:使用默认或自定义列输出格式时,请勿打印标题(默认打印标题)。 -o,--output ='':输出格式下列之一:json | yaml | wide | name | custom-columns = ... | custom-columns-file = ... | go-template = ... | go-template-file = ... | jsonpath =。 .. | jsonpath-file = ...参见自定义列[http://kubernetes.io/docs/user-guide/kubectl-overview/#custom-columns]、golang模板[http://golang.org/pkg / text / template /#pkg-overview]和jsonpath模板[http://kubernetes.io/docs/user-guide/jsonpath]。 --raw ='':要从服务器请求的原始URI。使用kubeconfig文件指定的传输方式。 -R,--recursive = false:递归处理-f,--filename中使用的目录。当您要管理在同一目录中组织的相关清单时很有用。 -l,--selector ='':要过滤的选择器(标签查询),支持'=','=='和'!='(例如-l key1 = value1,key2 = value2) --server-print = true:如果为true,则让服务器返回适当的表输出。支持扩展API和CRD。 --show-kind = false:如果存在,请列出所请求对象的资源类型。 --show-labels = false:打印时,将所有标签显示为最后一列(默认为隐藏标签列) --sort-by ='':如果非空,则使用此字段规范对列表类型进行排序。字段规范表示为JSONPath表达式(例如'{.metadata.name}')。此JSONPath表达式指定的API资源中的字段必须为整数或字符串。 --template ='':-o = go-template,-o = go-template-file时要使用的模板字符串或模板文件的路径。模板格式为golang模板[http://golang.org/pkg/text/template/#pkg-overview]。 -w,--watch = false:列出/获取请求的对象后,请注意更改。如果未提供对象名称,则排除未初始化的对象。 --watch-only = false:无需先列出/获取,即可监视对请求对象的更改。 用法: kubectl get [(-o | --output =)json | yaml | wide | custom-columns = ... | custom-columns-file = ... | go-template = ... | go-template-file = ... | jsonpath = ... | jsonpath-file = ...](TYPE [.VERSION] [。GROUP] [NAME | -l标签] | TYPE [.VERSION] [。GROUP] / NAME ... )[标志] [选项] 使用“ kubectl选项”获得全局命令行选项的列表(适用于所有命令)。 未知标志:-全部
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