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Update kubernetes_install.sh

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Torma Kristóf 2019-04-24 13:30:12 +02:00 committed by GitHub
parent f4d971f3e2
commit d0b7ad46cd
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1 changed files with 56 additions and 18 deletions
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74
deploy/kubernetes_install.sh
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@ -1,11 +1,24 @@
#!/bin/bash #!/bin/bash
DOCKER_VERSION=$1 # Setting all parameters
KUBERNETES_VERSION=$2 NODE_TYPE=$1
CLIENT=$3 INTERNAL=!$2
IP=$4 MASTER_IP=$3
TOKEN=$5
HASH=$6 ## Parameters for master node installation
if [ "$NODE_TYPE" == "master" ]
then
if [ "$#" -lt 4 ]; then
POD_NETWORK_ARG=""
else
POD_NETWORK_ARG="--pod-network-cidr=$4"
fi
# Parameters for worker node installation
elif [ "$NODE_TYPE" == "worker" ]
then
TOKEN=$4
HASH=$5
fi
#Installing Docker #Installing Docker
DOCKER_INSTALLED=$(which docker) DOCKER_INSTALLED=$(which docker)
@ -17,7 +30,7 @@ then
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
apt-get update apt-get update
apt-get install -y docker-ce=$DOCKER_VERSION apt-get install -y docker-ce
fi fi
@ -30,26 +43,51 @@ then
chmod 666 /etc/apt/sources.list.d/kubernetes.list chmod 666 /etc/apt/sources.list.d/kubernetes.list
echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list
apt-get update apt-get update
apt-get install -y kubelet=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION kubernetes-cni=$KUBERNETES_VERSION apt-get install -y kubelet kubeadm kubectl kubernetes-cni
fi fi
#Disabling swap for Kubernetes #Disabling swap for Kubernetes
sysctl net.bridge.bridge-nf-call-iptables=1 > /dev/null sysctl net.bridge.bridge-nf-call-iptables=1 > /dev/null
swapoff -a swapoff -a
if [ -z "$CLIENT" ] # Initialize Kubernetes as Master node
if [ "$NODE_TYPE" == "master" ]
then then
# kubeadm init --ignore-preflight-errors=SystemVerification ## Set master node for internal network
# mkdir -p $HOME/.kube if [ $INTERNAL ]; then
# cp -i /etc/kubernetes/admin.conf $HOME/.kube/config touch /etc/default/kubelet
# chown $(id -u):$(id -g) $HOME/.kube/config echo "KUBELET_EXTRA_ARGS=--node-ip=$MASTER_IP" > /etc/default/kubelet
: fi
## Init Kubernetes
kubeadm init --ignore-preflight-errors=SystemVerification \
--apiserver-advertise-address=$MASTER_IP $POD_NETWORK_ARG
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config
elif [ "$CLIENT" = "true" ] echo "[master:$(hostname -s)] Node is up and running on $MASTER_IP"
# Initialize Kubernetes as Worker node
elif [ "$NODE_TYPE" = "worker" ]
then then
kubeadm join $IP --token $TOKEN --discovery-token-ca-cert-hash $HASH ## Set worker node for internal network
echo "Client ($IP) joined to Master" if [ $INTERNAL ]; then
IP=$(grep -oP \
'(?<=src )[^ ]*' \
<(grep -f <(ls -l /sys/class/net | grep pci | awk '{print $9}') \
<(ip ro sh) |
grep -v $(ip ro sh | grep default | awk '{print $5}')) |
head -1)
touch /etc/default/kubelet
echo "KUBELET_EXTRA_ARGS=--node-ip=$IP" > /etc/default/kubelet
else
IP=$(grep -oP '(?<=src )[^ ]*' <(ip ro sh | grep default))
fi
## Join to Kubernetes Master node
kubeadm join $MASTER_IP --token $TOKEN --discovery-token-ca-cert-hash $HASH \
--ignore-preflight-errors=SystemVerification
echo "[worker:$(hostname -s)] Client ($IP) joined to Master ($MASTER_IP)"
else else
echo "Invalid argument" echo "Invalid argument"
fi fi