claydanford

resource "random_uuid" "name" {}

resource "aws_s3_bucket" "bucket" {
  bucket = "${var.application}-${random_uuid.name.result}"
  acl    = "public-read"

  policy = <<POLICY
{
	  "Version": "2012-10-17",
	  "Statement": [

claydanford

#!/bin/bash

if [ ! -f "/var/lib/jenkins/api_key.txt" ]; then
    CRUMB=$(curl -s http://localhost:8080/crumbIssuer/api/json --user admin:${admin_password} | jq -r .crumb)
    API_KEY=$(curl -s -X POST http://localhost:8080/me/descriptorByName/jenkins.security.ApiTokenProperty/generateNewToken --user admin:${admin_password} --data newTokenName=agent-token -H "Jenkins-Crumb: $CRUMB" | jq -r .data.tokenValue)
    echo $API_KEY > /var/lib/jenkins/api_key.txt
fi

aws ssm put-parameter --name "${api_ssm_parameter}" --value "$(cat /var/lib/jenkins/api_key.txt)" --type "SecureString" --overwrite --region ${aws_region}

claydanford

#cloud-config

runcmd:
    - MASTER_ID=$(aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names ${master_asg} --query 'AutoScalingGroups[0].Instances[0].InstanceId' --output text --region ${aws_region}) && echo $MASTER_ID > /opt/master_id.txt
    - AGENT_ID=$(curl http://169.254.169.254/latest/meta-data/instance-id) && echo $AGENT_ID > /opt/agent_id.txt
    - MASTER_IP=$(aws ec2 describe-instances --instance-ids $(cat /opt/master_id.txt) --query 'Reservations[0].Instances[0].PrivateIpAddress' --output text --region ${aws_region}) && echo $MASTER_IP > /opt/master_ip.txt
    - API_KEY=$(aws ssm get-parameter --name "${api_ssm_parameter}" --with-decryption --region ${aws_region} --output text --query 'Parameter.Value') && echo $API_KEY > /opt/api_key.txt

claydanford

#!/bin/bash

runuser -l jenkins -c "nohup java -jar /var/lib/jenkins/swarm-client-${swarm_version}.jar -master http://$(cat /opt/master_ip.txt):8080 -description $(cat /opt/agent_id.txt) -username admin -password $(cat /opt/api_key.txt) -name $(cat /opt/agent_id.txt) -labels $(cat /opt/agent_id.txt) -executors ${executors} -fsroot /tmp -retry 0 -disableClientsUniqueId" || aws ec2 terminate-instances --instance-ids $(cat /opt/agent_id.txt) --region ${aws_region}

claydanford

#!/bin/bash

for i in {1..3};
do
    AGENT_ASG="$(aws autoscaling describe-auto-scaling-groups --region ${aws_region} | jq -r '.AutoScalingGroups[] | select(.AutoScalingGroupName | startswith("${application}-agent-")) | .AutoScalingGroupName')"

    BUILD_ACTIVE_QUEUE_VALUE1="$(curl -s -m 60 -u 'admin:APIKEY' 'http://localhost:8080/computer/api/json' | jq -r '.busyExecutors')"
    BUILD_ACTIVE_QUEUE_VALUE2="$(curl -s -m 60 -u 'admin:APIKEY' 'http://localhost:8080/jqs-monitoring/api/json' | jq -r '.buildQueue.numberOfJobs')"
    BUILD_ACTIVE_QUEUE_VALUE=$(( $BUILD_ACTIVE_QUEUE_VALUE1 + $BUILD_ACTIVE_QUEUE_VALUE2 ))
        

claydanford

#!/bin/bash

for i in {1..3};
do
    AGENT_ASG="$(aws autoscaling describe-auto-scaling-groups --region ${aws_region} | jq -r '.AutoScalingGroups[] | select(.AutoScalingGroupName | startswith("${application}-agent-")) | .AutoScalingGroupName')"

    BUILD_ACTIVE_QUEUE_VALUE1="$(curl -s -m 60 -u 'admin:APIKEY' 'http://localhost:8080/computer/api/json' | jq -r '.busyExecutors')"
    BUILD_ACTIVE_QUEUE_VALUE2="$(curl -s -m 60 -u 'admin:APIKEY' 'http://localhost:8080/jqs-monitoring/api/json' | jq -r '.buildQueue.numberOfJobs')"
    BUILD_ACTIVE_QUEUE_VALUE=$(( $BUILD_ACTIVE_QUEUE_VALUE1 + $BUILD_ACTIVE_QUEUE_VALUE2 ))
        

claydanford

variable "jenkins_version" {
  description = "The version number of Jenkins to use on the master. Change this value when a new version comes out, and it will update the launch configuration and the autoscaling group."
  default     = "2.164.3"
}

variable "swarm_version" {
  description = "The version of swarm plugin to install on the agents. Update by updating this value."
  default     = "3.15"
}

claydanford

data "template_file" "agent_write_files" {
  template = "${file("${path.module}/init/agent-write-files.cfg")}"

  vars {
    agent_logs    = "${aws_cloudwatch_log_group.agent_logs.name}"
    aws_region    = "${var.region}"
    executors     = "${var.executors}"
    swarm_version = "${var.swarm_version}"
  }
}

claydanford

data "template_cloudinit_config" "agent_init" {
  gzip          = false
  base64_encode = false

  part {
    filename     = "agent.cfg"
    content_type = "text/cloud-config"
    content      = "${data.template_file.agent_write_files.rendered}"
  }

claydanford

module "jenkins_ha_agents" {
  source = "neiman-marcus/jenkins-ha-agents/aws"

  snipped for brevity…

  extra_agent_userdata        = "${data.template_file.extra_agent_userdata.rendered}"
  extra_agent_userdata_merge  = "list(append)+dict(recurse_array)+str()"
  extra_master_userdata       = "${data.template_file.extra_master_userdata.rendered}"
  extra_master_userdata_merge = "list(append)+dict(recurse_array)+str()"
}