Some small shortcuts on Kubernetes for daily tasks. Be careful and test before using on production

k8s-shortcuts.sh

function kpod {
  # $1 pod name
  # $2 namespace
  # $3 extra args for command
  podName=$1
  envName=$2
  eArgs=$3
  kubectl get pod -n $envName -o yaml $podName $eArgs
}

function kgrep {
  # $1 resource name
  # $2 namespace
  # $3 resource type (pod svc node ..)
  # $4 extra args for command
  resName="NR==1 || /${1}/"
  pEnv="-n $2"
  resType="${3:-pod}"
  eArgs=$4
  [ -z "$2" ] && pEnv="--all-namespaces"
  kubectl get $resType $pEnv $eArgs | awk "${resName}"
}

function klogs {
  # $1 pod name
  # $2 namespace
  # $3 extra args for command
  podName=$1
  envName=$2
  eArgs=$3
  kubectl logs -f $podName -n $envName --since=0s $eArgs
}

function kdelete {
  # $1 resource name
  # $2 namespace
  # $3 resource type (pod svc node ..)
  # $4  extra args for command
  podName=$1
  envName=$2
  resType="${3:-pod}"
  eArgs=$3
  kubectl delete $resType $podName -n $envName $eArgs
}