DeployHQ+AWS Autoscalers

dqh+aws

#!/bin/bash          

# Set these variables
USER_NAME="[email protected]"
API_KEY="XXXXXXXX_YOUR_DHQ_API_KEY_XXXXXXXXXXXXX"
START_REV='SOME_ARBITRARY_GIT_REVISION_HASH_TO_START_FROM'
DHQ_API_PROJ="your-project-shortname"
DHQ_BASE_URL="https://yoursite.deployhq.com/"
DHQ_SERVER_GROUP="YOUR_SERVER_GROUP_UUID"
DHQ_SERVER_USERNAME="your-server-username"
# That's it - you're done configuring. 

# These are just some DHQ API endpoint settings we need to
# reference a few times. You don't need to edit anything here.


# IF YOU DON'T HAVE SERVERS GROUPS USE THIS
DHQ_REV_RESOURCE="projects/$DHQ_API_PROJ/servers/$DHQ_SERVER_GROUP"

# BUT IF YOU HAVED, USE THIS
# DHQ_REV_RESOURCE="projects/$DHQ_API_PROJ/server_groups/$DHQ_SERVER_GROUP"

DHQ_NEWSERVER_RESOURCE="projects/$DHQ_API_PROJ/servers"
DHQ_DEPLOY_RESOURCE="projects/$DHQ_API_PROJ/deployments"
HEADER_CONTENT_TYPE="Content-Type: application/json"
HEADER_ACCEPT="Accept: application/json"
echo 'Getting files from S3'
aws s3 cp s3://nzxt/apin/env $DEPLOY_PATH/.env


# Get the DNS name of this server that was just provisioned
echo 'Calling AWS for DNS name.....'
DNS_NAME=`curl -s http://169.254.169.254/latest/meta-data/public-hostname`
echo $DNS_NAME
 
# Get the latest revision number from DeployHQ
echo 'Calling DHQ for latest revision:'$DHQ_BASE_URL$DHQ_REV_RESOURCE
curl -s GET -u $USER_NAME:$API_KEY $DHQ_BASE_URL$DHQ_REV_RESOURCE > /tmp/servergroup.json
REVISION=`cat /tmp/servergroup.json | sed -e 's/[{}]/''/g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | grep -m 1 '"last_revision":' | sed 's/:/ /1' | awk -F" " '{ print $2 i}'`
echo 'Update to revision: '$REVISION
#exit
 
# We just use the date to add onto the server name in DHQ, so we can quickly
# see when it was added to DHQ
NOW=$(date +"%m-%d-%Y-%H:%M")
 
NEW_SERVER_JSON='{
        "server" : {
                "name": "Auto-'$DNS_NAME'-'$NOW'",
                "server_path": "'$DEPLOY_PATH'",
                "port": 22,
                 "username": "'$DHQ_SERVER_USERNAME'",
                "use_ssh_keys": true,
                "server_group_identifier": "'$DHQ_SERVER_GROUP'",
                "hostname": "'$DNS_NAME'",
                "protocol_type": "ssh"
        }
}'
 
# Get create newly identified server at DeployHQ
echo 'Create a new server in our desired server group with the hostname we learned above: '$DHQ_BASE_URL$DHQ_NEWSERVER_RESOURCE
CREATE=`curl -X POST -d "$NEW_SERVER_JSON" -H "$HEADER_ACCEPT" -H "$HEADER_CONTENT_TYPE"  -u $USER_NAME:$API_KEY $DHQ_BASE_URL$DHQ_NEWSERVER_RESOURCE > "$DEPLOY_PATH"/server.json`
DHQ_NEWSERVER_UUID=`cat "$DEPLOY_PATH"/server.json | sed -e 's/[{}]/''/g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | grep '"identifier":' | sed 's/:/ /1' | awk -F" " '{ print $2 i}'`
 
echo "REVISION: '$REVISION'"


DEPLOY_JSON='{"deployment" : {
  "parent_identifier" : '$DHQ_NEWSERVER_UUID',
  "start_revision" : "'$START_REV'",
  "end_revision" : '$REVISION',
  "mode" : "queue",
  "copy_config_files" : 1,
  "email_notify" : 1
}}'

echo 'Deploy!: '$DHQ_BASE_URL$DHQ_DEPLOY_RESOURCE
echo $DEPLOY_JSON
CREATE=`curl -X POST -d "$DEPLOY_JSON" -H "$HEADER_ACCEPT" -H "$HEADER_CONTENT_TYPE"  -u $USER_NAME:$API_KEY $DHQ_BASE_URL$DHQ_DEPLOY_RESOURCE`