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Install admission webhook for Kubernetes >=1.9.0 #855

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Feb 9, 2018
Merged

Install admission webhook for Kubernetes >=1.9.0 #855

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69 changes: 40 additions & 29 deletions hack/deploy/voyager.sh
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Original file line number Diff line number Diff line change
@@ -1,5 +1,39 @@
#!/bin/bash

echo "checking kubeconfig context"
kubectl config current-context || { echo "Set a context (kubectl use-context <context>) out of the following:"; echo; kubectl config get-contexts; exit 1; }
echo ""

# ref: https://stackoverflow.com/a/27776822/244009
case "$(uname -s)" in
Darwin)
curl -fsSL -o onessl https://github.com/kubepack/onessl/releases/download/0.1.0/onessl-darwin-amd64
chmod +x onessl
export ONESSL=./onessl
;;

Linux)
curl -fsSL -o onessl https://github.com/kubepack/onessl/releases/download/0.1.0/onessl-linux-amd64
chmod +x onessl
export ONESSL=./onessl
;;

CYGWIN*|MINGW32*|MSYS*)
curl -fsSL -o onessl.exe https://github.com/kubepack/onessl/releases/download/0.1.0/onessl-windows-amd64.exe
chmod +x onessl.exe
export ONESSL=./onessl.exe
;;
*)
echo 'other OS'
;;
esac

# http://redsymbol.net/articles/bash-exit-traps/
function cleanup {
rm -rf $ONESSL ca.crt ca.key server.crt server.key
}
trap cleanup EXIT

# ref: https://stackoverflow.com/a/7069755/244009
# ref: https://jonalmeida.com/posts/2013/05/26/different-ways-to-implement-flags-in-bash/
# ref: http://tldp.org/LDP/abs/html/comparison-ops.html
Expand All @@ -10,11 +44,16 @@ export VOYAGER_ENABLE_RBAC=false
export VOYAGER_RUN_ON_MASTER=0
export VOYAGER_RESTRICT_TO_NAMESPACE=false
export VOYAGER_ROLE_TYPE=ClusterRole
export VOYAGER_ENABLE_ADMISSION_WEBHOOK=false
export VOYAGER_DOCKER_REGISTRY=appscode
export VOYAGER_IMAGE_PULL_SECRET=
export VOYAGER_UNINSTALL=0

KUBE_APISERVER_VERSION=$(kubectl version -o=json | $ONESSL jsonpath '{.serverVersion.gitVersion}')
$ONESSL semver --check='>=1.9.0' $KUBE_APISERVER_VERSION
if [ -eq "$?" 0 ]; then
export VOYAGER_ENABLE_ADMISSION_WEBHOOK=true
fi

show_help() {
echo "voyager.sh - install voyager operator"
echo " "
Expand Down Expand Up @@ -171,33 +210,6 @@ esac
env | sort | grep VOYAGER*
echo ""

echo "checking kubeconfig context"
kubectl config current-context || { echo "Set a context (kubectl use-context <context>) out of the following:"; echo; kubectl config get-contexts; exit 1; }
echo ""

# ref: https://stackoverflow.com/a/27776822/244009
case "$(uname -s)" in
Darwin)
curl -fsSL -o onessl https://github.com/appscode/onessl/releases/download/0.1.0/onessl-darwin-amd64
chmod +x onessl
export ONESSL=./onessl
;;

Linux)
curl -fsSL -o onessl https://github.com/appscode/onessl/releases/download/0.1.0/onessl-linux-amd64
chmod +x onessl
export ONESSL=./onessl
;;

CYGWIN*|MINGW32*|MSYS*)
curl -fsSL -o onessl.exe https://github.com/appscode/onessl/releases/download/0.1.0/onessl-windows-amd64.exe
chmod +x onessl.exe
export ONESSL=./onessl.exe
;;
*)
echo 'other OS'
;;
esac

# create necessary TLS certificates:
# - a local CA key and cert
Expand All @@ -208,7 +220,6 @@ export SERVICE_SERVING_CERT_CA=$(cat ca.crt | $ONESSL base64)
export TLS_SERVING_CERT=$(cat server.crt | $ONESSL base64)
export TLS_SERVING_KEY=$(cat server.key | $ONESSL base64)
export KUBE_CA=$($ONESSL get kube-ca | $ONESSL base64)
rm -rf $ONESSL ca.crt ca.key server.crt server.key

curl -fsSL https://raw.githubusercontent.com/appscode/voyager/6.0.0-alpha.0/hack/deploy/operator.yaml | envsubst | kubectl apply -f -

Expand Down