mirror of
https://github.com/BretFisher/shpod.git
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69 lines
2.3 KiB
Bash
69 lines
2.3 KiB
Bash
# If we don't have a kubeconfig file, let's create one.
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# (This is necessary for kube_ps1 to operate correctly.)
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if ! [ -f ~/.kube/config ]; then
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# If there is a ConfigMap named 'kubeconfig',
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# extract the kubeconfig file from there.
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# We need to access the Kubernetes API, so we'll do it
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# using the well-known endpoint.
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(
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# Make sure that the file will have locked-down permissions.
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# (Some tools like Helm will complain about it otherwise.)
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umask 077
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export KUBERNETES_SERVICE_HOST=kubernetes.default.svc
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export KUBERNETES_SERVICE_PORT=443
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if kubectl get configmap kubeconfig >&/dev/null; then
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echo "✏️ Downloading ConfigMap kubeconfig to .kube/config."
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kubectl get configmap kubeconfig -o json |
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jq -r '.data | to_entries | .[0].value' > ~/.kube/config
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else
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SADIR=/var/run/secrets/kubernetes.io/serviceaccount
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# If we have a ServiceAccount token, use it.
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if [ -r $SADIR/token ]; then
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echo "✏️ Generating .kube/config using ServiceAccount token."
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kubectl config set-cluster shpod \
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--server=https://kubernetes.default.svc \
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--certificate-authority=/$SADIR/ca.crt
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kubectl config set-credentials shpod \
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--token=$(cat $SADIR/token )
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kubectl config set-context shpod \
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--cluster=shpod \
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--user=shpod
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kubectl config use-context shpod
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fi
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fi
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)
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fi
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# Note that we could also just set the following variables:
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#export KUBERNETES_SERVICE_HOST=kubernetes.default.svc
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#export KUBERNETES_SERVICE_PORT=443
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# ...But for some reason, that doesn't work with impersonation.
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# (i.e. using "kubectl get pods --as=someone.else")
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if [ -f /etc/HOSTIP ]; then
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HOSTIP=$(cat /etc/HOSTIP)
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else
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HOSTIP="0.0.0.0"
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fi
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KUBE_PS1_PREFIX=""
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KUBE_PS1_SUFFIX=""
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KUBE_PS1_SYMBOL_ENABLE="false"
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KUBE_PS1_CTX_COLOR="green"
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KUBE_PS1_NS_COLOR="green"
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PS1="\e[1m\e[31m[\$HOSTIP] \e[0m(\$(kube_ps1)) \e[34m\u@\h\e[35m \w\e[0m\n$ "
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export EDITOR=vim
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export KUBECOLOR_LIGHT_BACKGROUND=true
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export PATH="$HOME/.krew/bin:$PATH"
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alias k=kubecolor
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complete -F __start_kubectl k
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. /usr/share/bash-completion/completions/kubectl.bash
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export HISTSIZE=9999
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export HISTFILESIZE=9999
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shopt -s histappend
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trap 'history -a' DEBUG
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export HISTFILE=~/.history
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trap exit TERM
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