常用的几款工具让 Kubernetes 集群上的工作更容易

# context 列表
kubectl config current-context 
# 设置 context
kubectl config use-context coffee

# namespace 列表
kbuectl get ns
# kubectl config set-context --current --namespace=kube-system

# 指定 namespace 运行
k9s -n mycoolns
# 指定 context 运行
k9s --context coolCtx
# 只读模式运行
k9s --readonly

Tail multiple pods and containers from Kubernetes

Usage:
  stern pod-query [flags]

Flags:
  -A, --all-namespaces             If present, tail across all namespaces. A specific namespace is ignored even if specified with --namespace.
      --color string               Color output. Can be 'always', 'never', or 'auto' (default "auto")
      --completion string          Outputs stern command-line completion code for the specified shell. Can be 'bash' or 'zsh'
  -c, --container string           Container name when multiple containers in pod (default ".*")
      --container-state string     If present, tail containers with status in running, waiting or terminated. Default to running. (default "running")
      --context string             Kubernetes context to use. Default to current context configured in kubeconfig.
  -e, --exclude strings            Regex of log lines to exclude
  -E, --exclude-container string   Exclude a Container name
      --field-selector string      Selector (field query) to filter on. If present, default to ".*" for the pod-query.
  -h, --help                       help for stern
  -i, --include strings            Regex of log lines to include
      --init-containers            Include or exclude init containers (default true)
      --kubeconfig string          Path to kubeconfig file to use
  -n, --namespace strings          Kubernetes namespace to use. Default to namespace configured in Kubernetes context. To specify multiple namespaces, repeat this or set comma-separated value.
  -o, --output string              Specify predefined template. Currently support: [default, raw, json] (default "default")
  -l, --selector string            Selector (label query) to filter on. If present, default to ".*" for the pod-query.
  -s, --since duration             Return logs newer than a relative duration like 5s, 2m, or 3h. Defaults to 48h.
      --tail int                   The number of lines from the end of the logs to show. Defaults to -1, showing all logs. (default -1)
      --template string            Template to use for log lines, leave empty to use --output flag
  -t, --timestamps                 Print timestamps
      --timezone string            Set timestamps to specific timezone (default "Local")
  -v, --version                    Print the version and exit