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user-script.bash
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user-script.bash
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#!/bin/bash --posix
# -*- Coding: UTF-8 -*- #
# -*- System: Linux -*- #
# -*- Usage: *.* -*- #
# Author: Jacob B. Sanders
# --------------------------------------------------------------------------------
# Bash Set-Options Reference
# --------------------------------------------------------------------------------
# 0. An Opinionated, Well Agreed Upon Standard for Bash Script Execution
# 1. set -o verbose ::: Print Shell Input upon Read
# 2. set -o allexport ::: Export all Variable(s) + Function(s) to Environment
# 3. set -o errexit ::: Exit Immediately upon Pipeline'd Failure
# 4. set -o monitor ::: Output Process-Separated Command(s)
# 5. set -o privileged ::: Ignore Externals - Ensures of Pristine Run Environment
# 6. set -o xtrace ::: Print a Trace of Simple Commands
# 7. set -o braceexpand ::: Enable Brace Expansion
# 8. set -o no-exec ::: Bash Syntax Debugging
set -euo pipefail # (0)
set -o xtrace
yum update -y && yum upgrade -y
yum group install -y "Development Tools"
yum install -y wget bash jq zip unzip git
export AWS_DEFAULT_REGION="{AWS-Region}"
# git config --global user.name "git"
function awscli () {
aws configure set
}
function g {
curl -L "https://go.dev/dl/go1.21.1.linux-arm64.tar.gz" --output go.tar.gz
rm -rf /usr/local/go && rm -rf rm -rf /usr/bin/go
tar -C /usr/local -xzf go.tar.gz
export PATH="$${PATH}:/usr/local/go/bin"
grep -Rq "/usr/local/go/bin" /etc/bashrc || echo "export PATH=\$PATH:/usr/local/go/bin" >> /etc/bashrc
export HOME=/root && export GOPATH=/root/go
}
function tls {
mkdir -p /opt/tls
curl -L "https://s3.amazonaws.com/rds-downloads/rds-ca-2019-root.pem" --output /opt/tls/rds-ca-2019-root.pem
curl -L "https://s3.amazonaws.com/rds-downloads/rds-combined-ca-bundle.pem" --output /opt/tls/rds-combined-ca-bundle.pem
}
function k8s {
curl -L https://s3.us-west-2.amazonaws.com/amazon-eks/1.27.4/2023-08-16/bin/linux/arm64/kubectl --output kubectl
mv kubectl /usr/local/bin/kubectl
chmod -v +x /usr/local/bin/kubectl
# aws eks update-kubeconfig --region us-east-2 --name IaC-Development-Nexus-K8s-Cluster
}
function containers {
yum install -y docker
usermod -a -G docker ec2-user
curl -L https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m) --output docker-compose
mv docker-compose /usr/local/bin/docker-compose
chmod -v +x /usr/local/bin/docker-compose
systemctl enable docker.service
systemctl start docker.service
systemctl status docker.service --no-pager
yum install -y amazon-ecr-credential-helper
mkdir -p /root/.docker
mkdir -p /home/ec2-user/.docker
echo '{"credsStore": "ecr-login"}' > /root/.docker/config.json
echo '{"credsStore": "ecr-login"}' > /home/ec2-user/.docker/config.json
chmod -R 755 /home/ec2-user/.docker
chown -R ec2-user:docker /home/ec2-user/.docker
}
function identifier {
echo "$(curl -s http://169.254.169.254/latest/meta-data/instance-id)"
}
function main {
g
tls
containers
k8s
}
main