terraform
Daniel Mikula 2023-05-17 05:58:31 +02:00
parent 9de216c8c3
commit a1c2777de4
3 changed files with 4 additions and 227 deletions

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# k3s and Application Installer # k3s EC2 Terraform Script
Installs k3s and a application on target machine. Launches EC2 instance, creates private key, and saves it on the machine.
For now only application ```sock_shop``` is supported.
Usage: Usage:
``` ```
./setup.sh -a sock_shop wait for it
``` ```
Help: Help:
``` ```
./setup.sh -h wait for it
``` ```

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#!/bin/sh
# Author : NTT Data AG
# Date : 11-05-2023
# update resources
function update {
}
# install necessary packages
function install_resources {
sudo dnf install -y container-selinux
sudo dnf install -y https://rpm.rancher.io/k3s/stable/common/centos/8/noarch/k3s-selinux-1.2-2.el8.noarch.rpm
}
# install k3s
# docs: https://docs.k3s.io/installation/configuration
function get_k3s {
sudo curl -sfL https://get.k3s.io | INSTALL_K3S_SYMLINK="skip" K3S_KUBECONFIG_MODE="644" INSTALL_K3S_EXEC="--disable=traefik" sh -
export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
k3s kubectl get pods -A
}
# fetch helm resources
# docs: https://helm.sh/docs/intro/install/
function install_helm {
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh
}
git
https://www.liquidweb.com/kb/how-to-install-and-configure-git-on-fedora-22/#:~:text=1%20Introduction.%20Git%20is%20a%20widely%20adopted%2C%20distributed,for%20git.%20Using%20the%20%E2%80%93global%20option...%20More%20
sudo dnf -y update
sudo dnf -y install git
checkout sockshop
https://microservices-demo.github.io/deployment/kubernetes-start.html
git clone https://github.com/microservices-demo/microservices-demo.git
k3s kubectl create namespace sock-shop
k3s kubectl apply -f complete-demo.yaml
other
k3s kubectl get pods -n sock-shop
function get_k3s {
  write_progress "Installing K3s (${K3SVERSION}) with NGINX instead of Traefik Ingress"
  curl -sfL https://get.k3s.io | INSTALL_K3S_CHANNEL="${K3SVERSION}" INSTALL_K3S_SYMLINK="skip" K3S_KUBECONFIG_MODE="644" INSTALL_K3S_EXEC="--disable=traefik" sh -
  # set the kubeconfig
  export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
  kubectl get pods -A
  # install ingress nginx
  helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
  helm repo update
  echo "####### EW "
  helm install ingress-nginx ingress-nginx/ingress-nginx --version="${NGINX_INGRESS_VERSION}"
  # wait for nginx to be ready
}

126
setup.sh
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#!/bin/sh
# Author : NTT Data AG
# Date : 11-05-2023
helm_install=false
app_name=""
# fetch helm resources
# docs: https://helm.sh/docs/intro/install/
install_helm () {
# curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
# chmod 700 get_helm.sh
# ./get_helm.sh
echo "Helm not support yet."
exit 1
}
# install resources
# TODO: check if this works
install_k3s () {
sudo dnf install -y container-selinux
sudo dnf install -y https://rpm.rancher.io/k3s/stable/common/centos/8/noarch/k3s-selinux-1.2-2.el8.noarch.rpm
get_k3s
}
# install k3s
# docs: https://docs.k3s.io/installation/configuration
get_k3s () {
sudo curl -sfL https://get.k3s.io | INSTALL_K3S_SYMLINK="skip" K3S_KUBECONFIG_MODE="644" INSTALL_K3S_EXEC="--disable=traefik" sh -
export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
kubectl get pods -A
}
# install git
install_git () {
sudo dnf -y update
sudo dnf -y install git
}
install_sock_shop () {
git clone https://github.com/microservices-demo/microservices-demo.git
cd microservices-demo/deploy/kubernetes
kubectl create namespace sock-shop
kubectl apply -f complete-demo.yaml
echo "Getting Pods from sock-shop namespace"
kubectl get pods -n sock-shop
# TODO: create check if list with pods returns and if they are ready
}
show_help() {
cat <<EOF
Usage: $0 [options]
Options:
-h, --help Show help information
-m, --helm Install Helm. Set flag when you want to install helm.
-a, --app <app_name> Specify the app name
EOF
}
show_allowed_apps () {
cat <<EOF
Supported apps:
- socks_shop
EOF
}
while [ "$#" -gt 0 ]; do
case "$1" in
-h|--help)
show_help
exit 0
;;
-m|--helm)
helm_install=true
shift
;;
-a|--app)
if [ "$2" ]; then
app_name="$2"
shift 2
else
echo "Error: Missing argument for $1 option"
show_help
exit 1
fi
;;
*)
echo "Error: Unrecognized option $1"
show_help
exit 1
;;
esac
done
# Check if --helm was set
if [ "$helm_install" = true ]; then
install_helm
else
echo "Skipping helm"
fi
echo "Installing GIT"
install_git
echo "Installing K3S"
install_k3s
# Validate app names
if [ -z "$app_name" ]; then
echo "Please specify app"
else
case $app_name in
"sock_shop")
echo "Installing sock shop"
install_sock_shop
;;
*)
show_allowed_apps
exit 1
;;
esac
fi