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‎scripts/installKubectl.sh

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#!/bin/bash
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install_ubuntu() {
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#### Install Kubernetes latest components
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sudo apt-get update
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sudo apt-get install -y apt-transport-https ca-certificates curl
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echo "starting the installation of k8s components (kubeadm,kubelet,kubectl) ...."
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sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
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echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo apt-get update
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sudo apt-get install -y kubectl
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if [ $? -eq 0 ];then
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echo "kubelet, kubeadm & kubectl are successfully installed"
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sudo apt-mark hold kubectl
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else
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echo "issue in installing kubectl - process abort"
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exit 2
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fi
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}
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install_centos() {
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cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo
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[kubernetes]
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name=Kubernetes
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baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch
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enabled=1
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gpgcheck=1
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gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
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exclude=kubelet kubeadm kubectl
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EOF
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sudo setenforce 0
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sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
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sudo yum install -y kubectl --disableexcludes=kubernetes
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sudo systemctl enable --now kubelet
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}
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install_amzn() {
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cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo
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[kubernetes]
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name=Kubernetes
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baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch
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enabled=1
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gpgcheck=1
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gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
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exclude=kubelet kubeadm kubectl
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EOF
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sudo setenforce 0
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sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
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sudo yum install -y kubectl --disableexcludes=kubernetes
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sudo systemctl enable --now kubelet
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}
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################ MAIN ###################
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if [ -f /etc/os-release ];then
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osname=`grep ID /etc/os-release | egrep -v 'VERSION|LIKE|VARIANT|PLATFORM' | cut -d'=' -f2 | sed -e 's/"//' -e 's/"//'`
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echo $osname
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if [ $osname == "ubuntu" ];then
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install_ubuntu
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elif [ $osname == "amzn" ];then
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install_amzn
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elif [ $osname == "centos" ];then
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install_centos
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fi
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else
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echo "can not locate /etc/os-release - unable find the osname"
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exit 8
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fi
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exit 0

‎scripts/setupKind-Kube-Cluster.sh

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#!/bin/bash
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install_ubuntu() {
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#### Install Kubernetes latest components
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if [ $? -eq 0 ];then
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echo "kubelet, kubeadm & kubectl are successfully installed"
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sudo apt-mark hold kubectl
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else
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echo "issue in installing kubectl - process abort"
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exit 2
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fi
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}
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install_centos() {
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cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo
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[kubernetes]
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name=Kubernetes
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baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch
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enabled=1
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gpgcheck=1
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gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
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exclude=kubelet kubeadm kubectl
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EOF
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sudo setenforce 0
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sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
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sudo yum install -y kubectl --disableexcludes=kubernetes
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sudo systemctl enable --now kubelet
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}
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install_amzn() {
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cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo
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[kubernetes]
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name=Kubernetes
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baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch
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enabled=1
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gpgcheck=1
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gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
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exclude=kubelet kubeadm kubectl
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EOF
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sudo setenforce 0
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sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
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sudo yum install -y kubectl --disableexcludes=kubernetes
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sudo systemctl enable --now kubelet
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}
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################ MAIN ###################
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if [ -f /etc/os-release ];then
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osname=`grep ID /etc/os-release | egrep -v 'VERSION|LIKE|VARIANT|PLATFORM' | cut -d'=' -f2 | sed -e 's/"//' -e 's/"//'`
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echo $osname
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if [ $osname == "ubuntu" ];then
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install_ubuntu
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elif [ $osname == "amzn" ];then
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install_amzn
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elif [ $osname == "centos" ];then
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install_centos
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fi
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else
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echo "can not locate /etc/os-release - unable find the osname"
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exit 8
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fi
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exit 0

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