Can't install CodeDeploy in Lightsail instance with Amazon Linux 2

Question

As wasn't particularly satisfied with only being able to use Amazon Linux (wanted to use Amazon Linux 2 as well), created two instances using both OS versions and adding the same script

mkdir /etc/codedeploy-agent/

mkdir /etc/codedeploy-agent/conf

cat <<EOT >> /etc/codedeploy-agent/conf/codedeploy.onpremises.yml

---

aws_access_key_id: ACCESS

aws_secret_access_key: SECRET

iam_user_arn: arn:aws:iam::525221857828:user/GeneralUser

region: eu-west-2

EOT

wget https://aws-codedeploy-us-west-2.s3.us-west-2.amazonaws.com/latest/install

chmod +x ./install

sudo ./install auto

The difference I noted between the two is that in the instance that has Linux 2, the folder /etc/codedeploy-agent/conf/ has only one file

and in Linux has two files

Knowing this, I created a new file in the Linux 2 instance with the same name

touch codedeployagent.yml

, changed its permissions from

-rw-r--r-- 1 root root 261 Oct  2 10:43 codedeployagent.yml

to

-rwxr-xr-x 1 root root 261 Oct  2 10:43 codedeployagent.yml

, and added the same content

:log_aws_wire: false
:log_dir: '/var/log/aws/codedeploy-agent/'
:pid_dir: '/opt/codedeploy-agent/state/.pid/'
:program_name: codedeploy-agent
:root_dir: '/opt/codedeploy-agent/deployment-root'
:verbose: false
:wait_between_runs: 1
:proxy_uri:
:max_revisions: 5

and then rebooted the machine. Still, this didn't fix the issue as when I run

sudo service codedeploy-agent status

will still get

Redirecting to /bin/systemctl status codedeploy-agent.service Unit codedeploy-agent.service could not be found.

Also ensured all the updates were in place, rebooted the machine but that didn't work either.

Answer 1

I can provide details of my setup for Amazon Linux 2 instances to deploy CodeDeployGitHubDemo (based on past question).

1. CodeDeploy agent

Used the following as UserData (you may need to adjust region if not us-east-1):

#!/bin/bash

yum update -y
yum install -y ruby wget

cd /home/ec2-user

wget https://aws-codedeploy-us-east-1.s3.us-east-1.amazonaws.com/latest/install

chmod +x ./install
./install auto

It did not require hard-coding credentials. The following works perfectly fine on Amazon Linux 2 instances that I've used.

2. Instance role

Your instance needs a role suitable for CodeDeploy. I used an EC2 instance role with policy listed here:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Action": [
                "s3:Get*",
                "s3:List*"
            ],
            "Effect": "Allow",
            "Resource": "*"
        }
    ]
}

3. Deployment group

I had three instances for tests in an AutoScaling group, called myasg:

4. Deployment

I deployed from S3 without Load Balancer:

5. Results

No issues were found and deployment was successful:

And the website running (need to open port 80 in security groups):

Update

For manual installation on Amazon Linux 2. You can sudo su - to become root after login.

mkdir -p /etc/codedeploy-agent/conf

cat <<EOT >> /etc/codedeploy-agent/conf/codedeploy.onpremises.yml
---

aws_access_key_id: ACCESS

aws_secret_access_key: SECRET

iam_user_arn: arn:aws:iam::525221857828:user/GeneralUser

region: eu-west-2

EOT

yum install -y wget ruby

wget https://aws-codedeploy-us-west-2.s3.us-west-2.amazonaws.com/latest/install

chmod +x ./install

env AWS_REGION=eu-west-2 ./install rpm

To check its status:

systemctl status codedeploy-agent

With this you should get something like this

● codedeploy-agent.service - AWS CodeDeploy Host Agent
   Loaded: loaded (/usr/lib/systemd/system/codedeploy-agent.service; enabled; vendor prese
t: disabled)
   Active: active (running) since Sat 2020-10-03 07:18:57 UTC; 3s ago
  Process: 3609 ExecStart=/bin/bash -a -c [ -f /etc/profile ] && source /etc/profile; /opt
/codedeploy-agent/bin/codedeploy-agent start (code=exited, status=0/SUCCESS)
 Main PID: 3623 (ruby)
   CGroup: /system.slice/codedeploy-agent.service
           ├─3623 codedeploy-agent: master 3623
           └─3627 codedeploy-agent: InstanceAgent::Plugins::CodeDeployPlugin::CommandPo...

Oct 03 07:18:57 ip-172-26-8-137.eu-west-2.compute.internal systemd[1]: Starting AWS Cod...
Oct 03 07:18:57 ip-172-26-8-137.eu-west-2.compute.internal systemd[1]: Started AWS Code...
Hint: Some lines were ellipsized, use -l to show in full.

If you run

sudo service codedeploy-agent status

you'll get (meaning it's working as expected)

The AWS CodeDeploy agent is running as PID 3623

To start if not running:

systemctl start codedeploy-agent