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statping/statuper

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#!/usr/bin/env bash
VERSION="0.1"
VERBOSE=false
SSLOPTION=false
AWSREGION="us-west-2"
US_W_1="ami-6d1ffd0e"
US_W_2="ami-7be8a103"
US_E_1="ami-b3be85cc"
US_E_2="ami-cc7a40a9"
AMI_IMAGE=$US_W_2
AWS_CLI=$(which aws)
DOCKER_CLI=$(which docker)
DOCKER_IMG="hunterlong/statup"
AWS_ECS="$AWS_CLI --output json"
DOCKER_PORT=8080
function usage() {
cat <<EOM
##### Statup Installer #####
A simple shell script that will help you install Statup on your local machine, AWS, or Docker.
Commands:
install Install statup to your local system
aws Create a new EC2 instance running Statup
docker Start the latest Statup Docker image
docker-compose Create Statup with a Postgres database
version Return the latest version of Statup
Available Flags:
-k | --aws-access-key AWS Access Key ID. May also be set as environment variable AWS_ACCESS_KEY_ID
-s | --aws-secret-key AWS Secret Access Key. May also be set as environment variable AWS_SECRET_ACCESS_KEY
-r | --region AWS Region Name. May also be set as environment variable AWS_DEFAULT_REGION
-x | --verbose Verbose output
Visit the github repo at: https://github.com/hunterlong/statup
EOM
exit 3
}
# Check requirements
function require() {
getOS
command -v "$1" > /dev/null 2>&1 || {
echo "Some of the required software is not installed:"
APP="$1" >&2;
echo " Required application: $APP"
if [ $OS == "osx" ]; then
echo " You can run 'brew install $APP'"
elif [ $OS == "linux" ]; then
echo " You can run 'apt install $APP'"
fi
exit 4;
}
}
# Get the latest release from github
get_latest_release() {
STATUP_VERSION=$(curl --silent "https://api.github.com/repos/$DOCKER_IMG/releases/latest" | jq -r .tag_name)
}
# auto set AWS environment variables
function setAWSPresets {
if [ -z ${AWS_DEFAULT_REGION+x} ];
then unset AWS_DEFAULT_REGION
else
AWS_ECS="$AWS_ECS --region $AWS_DEFAULT_REGION"
fi
if [ -z ${AWS_PROFILE+x} ];
then unset AWS_PROFILE
else
AWS_ECS="$AWS_ECS --profile $AWS_PROFILE"
fi
}
# ask the user to inser their AWS region
function awsAskRegion {
if [ -z ${AWS_DEFAULT_REGION+x} ]; then
read -p "Enter the AWS Region: " AWSREGION
else
AWSREGION=$AWS_DEFAULT_REGION
fi
}
# ask for the EC2 instance name
function askEC2Name {
read -p "Enter the Name for EC2 Instance: " SERVERNAME
}
# ask user if they want to use SSL
function askSSLOption {
read -p "Do you want to install a SSL certificate? (y/N):" SSLOPTION
}
# ask user for domain for SSL
function askSSLDomain {
read -p "Enter the Domain to attach the SSL certificate on: " SSLDOMAIN
}
# ask user for email for Letencrypt
function askSSLEmail {
read -p "Enter the Email for Lets Encrypt: " SSLEMAIL
}
# ask user for their EC2 Keypair for instance
function askEC2KeyName {
read -p "Enter the Keypair for EC2 Instance: " EC2KEYNAME
}
# ask user to create a new AWS security group namne
function askSecurityName {
read -p "Enter a name for the new Security Group: " EC2SECGROUP
}
# ask user if they want to install statup to the bin folder
function askInstallGlobal {
read -p "Do you want to move Statup to the bin folder? (y/N): " MOVEBIN
}
# ask user if they want statup to start on boot
function askInstallSystemCTL {
read -p "Do you want to auto start Statup on boot? (y/N): " SYSTEMCTL
}
# Task to create a new AWS security group
function awsSecurityGroup {
echo "Running task: Creating Security Group";
GROUPID=`$AWS_ECS ec2 create-security-group --group-name "$EC2SECGROUP" --description "Statup HTTP Server on port 80 and 443" | jq -r .GroupId`
echo "Created new security group: $GROUPID";
awsAuthSecurityGroup
}
# Task to open ports 80 and 443 for the security group
function awsAuthSecurityGroup {
$AWS_ECS ec2 authorize-security-group-ingress --group-id $GROUPID --protocol tcp --port 80 --cidr 0.0.0.0/0
$AWS_ECS ec2 authorize-security-group-ingress --group-id $GROUPID --protocol tcp --port 443 --cidr 0.0.0.0/0
echo "Authorize security group to be open on ports 80 and 443";
}
function awsCreateEC2 {
NEW_SRV=`$AWS_ECS ec2 run-instances --image-id $US_W_2 --count 1 --instance-type t2.nano --key-name $EC2KEYNAME --security-group-ids $GROUPID`
INSTANCE_ID=$(echo "${NEW_SRV}" | jq -r .Instances[0].InstanceId)
EC2_STATUS=$(echo "${NEW_SRV}" | jq -r .Instances[0].StateReason.Message)
echo "New EC2 instance created: $INSTANCE_ID with status $EC2_STATUS";
}
# task to created a new EC2 instance with statup image
function ec2TaskComplete {
echo "New EC2 instance is ready! $INSTANCE_ID with status $EC2_STATUS";
echo "Instance ID: $INSTANCE_ID with status $EC2_STATUS";
echo "Public DNS: $EC2_DNS";
if [ $SSLOPTION == "y" ]; then
echo "Now you have to add a CNAME DNS record on $SSLDOMAIN pointing to $EC2_DNS"
fi
}
# function to check the EC2 instance
function checkEC2Instance {
SRV_INFO=`$AWS_ECS ec2 describe-instances --instance-ids $INSTANCE_ID`
EC2_STATUS=$(echo "${SRV_INFO}" | jq -r .Reservations[0].Instances[0].State.Name)
EC2_DNS=$(echo "${SRV_INFO}" | jq -r .Reservations[0].Instances[0].PublicDnsName)
EC2_STATUS=$(echo "${SRV_INFO}" | jq -r .Reservations[0].Instances[0].State.Name)
if [ $EC2_STATUS == '"pending"' ]; then
echo "EC2 instance is still being created: $INSTANCE_ID";
sleep 2
checkEC2Instance
fi
}
# function to create the Statup EC2 instance
function awsTask {
setAWSPresets
askEC2Name
awsAskRegion
askSecurityName
askEC2KeyName
askSSLOption
if [ $SSLOPTION == "y" ]; then
askSSLDomain
askSSLEmail
fi
awsSecurityGroup
awsCreateEC2
checkEC2Instance
ec2TaskComplete
}
# function to move the statup binary to the bin folder
function moveToBin {
mv statup /usr/local/bin/statup
}
# function to install a systemctl service to the local system
function installSystemCTL {
FILE=statup.service
cat > $FILE <<- EOM
[Unit]
Description=Statup Server
After=network.target
After=systemd-user-sessions.service
After=network-online.target
[Service]
Type=simple
Restart=always
ExecStart=/usr/local/bin/statup
[Install]
WantedBy=multi-user.target
EOM
echo "Installing systemctl service file to: /etc/systemd/system/$FILE"
mv $FILE /etc/systemd/system/$FILE
systemctl daemon-reload
systemctl enable statup.service
systemctl start statup
echo "Statup has been installed to SystemCTL and will start on boot"
}
function downloadBin {
getOS
getArch
get_latest_release
GIT_DOWNLOAD="https://github.com/$DOCKER_IMG/releases/download/$STATUP_VERSION/statup-$OS-$ARCH.tar.gz"
echo "Downloading Statup $STATUP_VERSION from $GIT_DOWNLOAD"
curl -L --silent $GIT_DOWNLOAD | tar xz
echo "Download complete"
}
# install statup locally from github
function localTask {
downloadBin
echo "Try Statup by running 'statup version'!"
askInstallGlobal
if [ $MOVEBIN == "y" ]; then
moveToBin
echo "Statup can now be ran anywhere with command 'statup'"
echo "Install location: /usr/local/bin/statup"
if [ $OS == "linux" ]; then
askInstallSystemCTL
if [ $SYSTEMCTL == "y" ]; then
installSystemCTL
fi
fi
fi
}
function uninstallTask {
rm -f /usr/local/bin/statup
}
# start the Statup docker image
function dockerTask {
echo "Starting Statup Docker container on port $DOCKER_PORT"
$DOCKER_CLI run -d -p $DOCKER_PORT:8080 $DOCKER_IMG
}
# get 64x or 32 machine arch
function getArch {
MACHINE_TYPE=`uname -m`
if [ ${MACHINE_TYPE} == 'x86_64' ]; then
ARCH="x64"
else
ARCH="x32"
fi
}
# get the users operating system
function getOS {
OS="`uname`"
case $OS in
'Linux')
OS='linux'
alias ls='ls --color=auto'
;;
'FreeBSD')
OS='freebsd'
alias ls='ls -G'
;;
'WindowsNT')
OS='windows'
;;
'Darwin')
OS='osx'
;;
'SunOS')
OS='solaris'
;;
'AIX') ;;
*) ;;
esac
}
function echoVersion {
require jq
get_latest_release
echo "Statup Latest: $STATUP_VERSION"
echo "Statuper Tool: v$VERSION"
}
# main CLI entrypoint
if [ "$BASH_SOURCE" == "$0" ]; then
set -o errexit
set -o pipefail
set -u
set -e
# If no args are provided, display usage information
if [ $# == 0 ]; then usage; fi
COMMD=$1
# Loop through arguments, two at a time for key and value
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-k|--aws-access-key)
AWS_ACCESS_KEY_ID="$2"
shift # past argument
;;
-s|--aws-secret-key)
AWS_SECRET_ACCESS_KEY="$2"
shift # past argument
;;
-r|--region)
AWS_DEFAULT_REGION="$2"
shift # past argument
;;
-p|--port)
DOCKER_PORT="$2"
shift # past argument
;;
-x|--verbose)
VERBOSE=true
;;
*)
;;
esac
shift # past argument or value
done
if [ $VERBOSE == true ]; then
set -x
fi
case $COMMD in
aws)
require aws
require jq
awsTask
exit 0
;;
docker)
require docker
dockerTask
exit 0
;;
docker-compose)
require docker-compose
dockerComposeTask
exit 0
;;
install)
require jq
require curl
require tar
localTask
shift # past argument
;;
uninstall)
uninstallTask
shift # past argument
;;
version|v)
echoVersion
exit 0
;;
*)
;;
esac
shift # past argument or value
fi
exit 0
fi
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