Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix: avoid defining function based on alias errors #86

Merged
merged 1 commit into from
Jul 30, 2021
Merged

fix: avoid defining function based on alias errors #86

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
74 changes: 37 additions & 37 deletions fubectl.source
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ else # hack for Msys2 shell, where fzf doesn't support mintty
alias _inline_fzf_nh="fzf --multi --ansi -i -1 --reverse -0 --inline-info"
fi

_isClusterSpaceObject() {
function _isClusterSpaceObject() {
# caller is responsible for assuring non-empty "$1"
obj="$1"
kubectl api-resources --namespaced=false \
Expand Down Expand Up @@ -45,13 +45,13 @@ alias kwall="watch kubectl get pods --all-namespaces"
alias kp="xdg-open 'http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/' & kubectl proxy"

# [kwatchn] watch a resource of KIND in current namespace, usage: kwatchn [KIND] - if KIND is empty then pod is used
kwatchn() {
function kwatchn() {
local kind="${1:-pod}"
kubectl get "${kind}" | _inline_fzf | awk '{print $1}' | xargs -r watch kubectl get "${kind}"
}

# [kwatch] watch a resource of KIND in cluster, usage: kwatch [KIND] - if KIND is empty then pod is used
kwatch() {
function kwatch() {
local kind="${1:-pod}"
if _isClusterSpaceObject "$kind" ; then
kubectl get "${kind}" | _inline_fzf | awk '{print $1}' | xargs -r watch kubectl get "${kind}"
Expand All @@ -61,7 +61,7 @@ kwatch() {
}

# [kcmd] create a pod from IMAGE (ubuntu by default) and execute CMD (bash by default), usage: kcmd [CMD] [IMAGE]
kcmd() {
function kcmd() {
local cmd="$1"
local image="${2:-ubuntu}"
local ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
Expand All @@ -73,25 +73,25 @@ kcmd() {
}

# [kube_ctx_name] get the current context
kube_ctx_name() {
function kube_ctx_name() {
kubectl config current-context
}

# [kube_ctx_namespace] get current namespace
kube_ctx_namespace() {
function kube_ctx_namespace() {
local default_ns="$(kubectl config view --minify|grep namespace: |sed 's/namespace: //g'|tr -d ' ')"
default_ns="${default_ns:-default}"
echo "$default_ns"
}

# [kgetn] get resource of KIND from current namespace, usage: kgetn [KIND] - if KIND is empty then pod is used
kgetn() {
function kgetn() {
local kind="${1:-pod}"
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl get -o yaml "$kind"
}

# [kget] get resource of KIND from cluster, usage: kget [KIND] - if KIND is empty then pod is used
kget() {
function kget() {
local kind="${1:-pod}"
if _isClusterSpaceObject "$kind" ; then
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl get -o yaml "$kind"
Expand All @@ -101,7 +101,7 @@ kget() {
}

# [kexp] as former `--export` field removes unwanted metadata - usage: COMMAND | kexp
kexp() {
function kexp() {
if [ -t 0 ]; then
echo "kexp has no piped input!"
echo "usage: COMMAND | kexp"
Expand All @@ -112,18 +112,18 @@ kexp() {
}

# [kget-exp] get a resource by its YAML as former `--export` flag
kget-exp() {
function kget-exp() {
kget "$@" | kexp
}

# [kedn] edit resource of KIND from current namespace, usage: kedn [KIND] - if KIND is empty then pod is used
kedn() {
function kedn() {
local kind="${1:-pod}"
kubectl edit "${kind}" "$(kubectl get "${kind}" | _inline_fzf | awk '{print $1}')"
}

# [ked] edit resource of KIND from cluster, usage: ked [KIND] - if KIND is empty then pod is used
ked() {
function ked() {
local kind="${1:-pod}"
local edit_args
if _isClusterSpaceObject $kind ; then
Expand All @@ -135,13 +135,13 @@ ked() {
}

# [kdesn] describe resource of KIND in current namespace, usage: kdesn [KIND] - if KIND is empty then pod is used
kdesn() {
function kdesn() {
local kind="${1:-pod}"
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl describe "$kind"
}

# [kdes] describe resource of KIND in cluster, usage: kdes [KIND] - if KIND is empty then pod is used
kdes() {
function kdes() {
local kind="${1:-pod}"
if _isClusterSpaceObject "$kind" ; then
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl describe "$kind"
Expand All @@ -151,13 +151,13 @@ kdes() {
}

# [kdeln] delete resource of KIND in current namespace, usage: kdeln [KIND] - if KIND is empty then pod is used
kdeln() {
function kdeln() {
local kind="${1:-pod}"
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r -p kubectl delete "$kind"
}

# [kdel] delete resource of KIND in cluster, usage: kdel [KIND] - if KIND is empty then pod is used
kdel() {
function kdel() {
local kind="${1:-pod}"
if _isClusterSpaceObject "$kind" ; then
kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r -p kubectl delete "$kind"
Expand All @@ -166,7 +166,7 @@ kdel() {
fi
}

_klog_usage() {
function _klog_usage() {
cat <<'EOF'
Usage: klog[n] [LINECOUNT] [options]

Expand All @@ -176,7 +176,7 @@ EOF
}

# [klogn] fetch log from container in current namespace
klogn() {
function klogn() {
[ "$1" = "--help" ] && _klog_usage && return
local line_count=10
if [[ $1 =~ ^[-]{0,1}[0-9]+$ ]]; then
Expand All @@ -192,7 +192,7 @@ klogn() {
}

# [klog] fetch log from container in the cluster
klog() {
function klog() {
[ "$1" = "--help" ] && _klog_usage && return
local line_count=10
if [[ $1 =~ ^[-]{0,1}[0-9]+$ ]]; then
Expand All @@ -208,15 +208,15 @@ klog() {
}

# [kkonfig] select a file in current directory and set it as $KUBECONFIG
kkonfig() {
function kkonfig() {
local kubeconfig
kubeconfig=$(_inline_fzf_nh) || return
export KUBECONFIG=$PWD/$kubeconfig
exec $SHELL
}

# [kexn] execute command in container from current namespace, usage: kexn CMD [ARGS]
kexn() {
function kexn() {
[ -z "$1" ] && printf "kexn: missing argument(s).\nUsage: kexn CMD [ARGS]\n" && return 255
local arg_pair=$(kubectl get po | _inline_fzf | awk '{print $1}')
[ -z "$arg_pair" ] && printf "kexn: no pods found. no execution.\n" && return
Expand All @@ -226,7 +226,7 @@ kexn() {
}

# [kex] execute command in container from cluster, usage: kex CMD [ARGS]
kex() {
function kex() {
[ -z "$1" ] && printf "kex: missing argument(s).\nUsage: kex CMD [ARGS]\n" && return 255
local arg_pair=$(kubectl get po --all-namespaces | _inline_fzf | awk '{print $1, $2}')
[ -z "$arg_pair" ] && printf "kex: no pods found. no execution.\n" && return
Expand All @@ -236,7 +236,7 @@ kex() {
}

# [kforn] port-forward a container port from current namesapce, usage: kforn LOCAL_PORT:CONTAINER_PORT
kforn() {
function kforn() {
local port="$1"
[ -z "$port" ] && printf "kforn: missing argument.\nUsage: kforn LOCAL_PORT:CONTAINER_PORT\n" && return 255
local arg_pair="$(kubectl get po | _inline_fzf | awk '{print $1}')"
Expand All @@ -245,7 +245,7 @@ kforn() {
}

# [kfor] port-forward a container port from cluster, usage: kfor LOCAL_PORT:CONTAINER_PORT
kfor() {
function kfor() {
local port="$1"
[ -z "$port" ] && printf "kfor: missing argument.\nUsage: kfor LOCAL_PORT:CONTAINER_PORT\n" && return 255
local arg_pair="$(kubectl get po --all-namespaces | _inline_fzf | awk '{print $1, $2}')"
Expand All @@ -254,7 +254,7 @@ kfor() {
}

# [ksearch] search for string in resources
ksearch() {
function ksearch() {
local search_query="$1"
[ -z "$search_query" ] && printf "ksearch: missing argument.\nUsage: ksearch SEARCH_QUERY\n" && return 255
for ns in $(kubectl get --export -o=json ns | jq -r '.items[] | .metadata.name'); do
Expand All @@ -271,13 +271,13 @@ ksearch() {
alias kcl='kubectl config get-contexts'

# [kcs] context set
kcs() {
function kcs() {
local context="$(kubectl config get-contexts | _inline_fzf | cut -b4- | awk '{print $1}')"
kubectl config set current-context "${context}"
}

# [kcns] context set default namespace
kcns() {
function kcns() {
local ns="$1"
if [ -z "$ns" ]; then
ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
Expand All @@ -287,14 +287,14 @@ kcns() {
}

# [kwns] watch pods in a namespace
kwns() {
function kwns() {
local ns=$(kubectl get ns | _inline_fzf | awk '{print $1}')
[ -z "$ns" ] && printf "kcns: no namespace selected/found.\nUsage: kwns\n" && return
watch kubectl get pod -n "$ns"
}

# [ktreen] prints a tree of k8s objects from current namespace, usage: ktreen [KIND]
ktreen() {
function ktreen() {
local kind="$1"
if [ -z "$kind" ]; then
local kind="$(kubectl api-resources -o name | _inline_fzf | awk '{print $1}')"
Expand All @@ -303,7 +303,7 @@ ktreen() {
}

# [ktree] prints a tree of k8s objects from cluster, usage: ktree [KIND]
ktree() {
function ktree() {
local kind="$1"
if [ -z "$kind" ]; then
local kind="$(kubectl api-resources -o name | _inline_fzf | awk '{print $1}')"
Expand All @@ -316,7 +316,7 @@ ktree() {
}

# [konsole] create root shell on a node
konsole() {
function konsole() {
local node_hostname="$(kubectl get node --label-columns=kubernetes.io/hostname | _inline_fzf | awk '{print $6}')"
local ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
local name=shell-$RANDOM
Expand Down Expand Up @@ -367,41 +367,41 @@ konsole() {
}

# [ksecn] decode a value from a secret in current namespace, usage: ksecn
ksecn() {
function ksecn() {
local secret=$(kubectl get secret | _inline_fzf | awk '{print $1}')
local key=$(kubectl get secret "${secret}" -o go-template='{{- range $k,$v := .data -}}{{- printf "%s\n" $k -}}{{- end -}}' | _inline_fzf_nh)
kubectl get secret "${secret}" -o go-template='{{ index .data "'$key'" | base64decode }}'
}

# [ksec] decode a value from a secret in cluster, usage: ksec
ksec() {
function ksec() {
local ns=$(kubectl get ns | _inline_fzf | awk '{print $1}')
local secret=$(kubectl get secret -n "$ns" | _inline_fzf | awk '{print $1}')
local key=$(kubectl get secret -n "$ns" "$secret" -o go-template='{{- range $k,$v := .data -}}{{- printf "%s\n" $k -}}{{- end -}}' | _inline_fzf_nh)
kubectl get secret -n "$ns" "${secret}" -o go-template='{{ index .data "'$key'" | base64decode }}'
}

# [kinstall] Install the required kubectl plugins
kinstall() {
function kinstall() {
kubectl krew install tree
kubectl krew install neat
}
# [kupdate] Updates kubectl plugins
kupdate() {
function kupdate() {
kubectl krew upgrade
}

#### Kubermatic KKP specific
# [kkp-cluster] Kubermatic KKP - extracts kubeconfig of user cluster and connects it in a new bash
kkp-cluster() {
function kkp-cluster() {
TMP_KUBECONFIG=$(mktemp)
local cluster="$(kubectl get cluster | _inline_fzf | awk '{print $1}')"
kubectl get secret admin-kubeconfig -n cluster-$cluster -o go-template='{{ index .data "kubeconfig" | base64decode }}' > $TMP_KUBECONFIG
KUBECONFIG=$TMP_KUBECONFIG $SHELL
}

# [khelp] show this help message
khelp() {
function khelp() {
echo "Usage of fubectl"
echo
echo "Reduces repetitive interactions with kubectl"
Expand Down