stop and disable systemctl service

[Jeeva Chelladhurai]

Hello All,

I am building an AMI using packer. I want to install docker on my target image however the docker should be in stopped state. In my provisioner I have stopped and disabled the docker service, nonetheless, when I launch a new VM the docker service is enabled and running. 

Please guide me how to disable a service in packer.

I'm building an ubuntu 18.04 image.

Thanks,

Jeeva'

[Rickard von Essen]

Could you provide details of what you have done and how you verified it? 

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[Jeeva Chelladhurai]

I am manually testing it.. below is my provisioner and log..

"provisioners": [{

    "type": "shell",

    "pause_before": "30s",

    "inline": [

      "curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -",

      "sudo add-apt-repository \"deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable\"",

      "sudo apt-get update",

      "sudo apt-get install -y docker-ce",

      "sudo usermod -aG docker ubuntu",

      "curl -sSL http://sjeeva.github.io/getcompose | sudo sh",

      "sudo mkdir /data",

      "sudo systemctl stop docker",

      "sudo systemctl disable docker",

      "sudo cp /tmp/docker.service /lib/systemd/system/docker.service"

    ]

  }]

    amazon-ebs: docker-compose version 1.24.1, build 4667896b is installed

==> amazon-ebs: Synchronizing state of docker.service with SysV service script with /lib/systemd/systemd-sysv-install.

==> amazon-ebs: Executing: /lib/systemd/systemd-sysv-install disable docker

==> amazon-ebs: Pausing after run of step 'StepProvision'. Press enter to continue.

On Monday, July 22, 2019 at 11:47:22 PM UTC+5:30, Rickard von Essen wrote:

Could you provide details of what you have done and how you verified it? 

On Mon, Jul 22, 2019, 19:56 Jeeva Chelladhurai <sje...@gmail.com> wrote:

Hello All,

I am building an AMI using packer. I want to install docker on my target image however the docker should be in stopped state. In my provisioner I have stopped and disabled the docker service, nonetheless, when I launch a new VM the docker service is enabled and running. 

Please guide me how to disable a service in packer.

I'm building an ubuntu 18.04 image.

Thanks,

Jeeva'

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[Rickard von Essen]

Most likely you have some other enabled unit that depends on docker.service and hence it's started.

Use systemctl list-dependencies --reverse docker.service to see what depends on it.

Also with systemd by default docker.service is started if anything accesses /var/run/docker.sock (e.g. runs the docker command) 

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[Jeeva Chelladhurai]

docker CLI starts docker service. In other words, as soon as I call docker command it starts the docker service

Thanks,

Jeeva 

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