RabbitMQ using Exec driver using nomad job

[Parveen Kumar]

Hi team,

how can i deploy RabbitMQ using exec driver. i can deploy rabbitMQ using docker driver but , how it can be done using raw_exec or exec driver. also, i have enabled raw_exec and exec driver falg in config file.


Please suggest and confirm whether it can be done.

[Alex Dadgar]

Should be very doable, just write a job config that downloads the RabbitMQ binary and set your configuration variables etc.

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[Parveen Kumar]

Hi Alex,

in the job config, i have following an example on hashicorp page
https://www.nomadproject.io/docs/drivers/exec.html
for this , i am confused what is bin here? since exec task run on linux only and in linux application can be installed using command
sudo apt-get install Rabbitmq-server
so, what to write for command attribute. similarly what is artifact block do. can some one explain how to write exec task with explanation.

task "example" {
    driver = "exec"

    config {
      command = "binary.bin"
    }

    artifact {
      source = "https://dl.dropboxusercontent.com/u/1234/binary.bin"
      options {
        checksum = "sha256:abd123445ds4555555555"

[ja...@fpcomplete.com]

On Thursday, April 7, 2016 at 11:04:47 PM UTC-4, Parveen Kumar wrote:

Hi Alex,

in the job config, i have following an example on hashicorp page
https://www.nomadproject.io/docs/drivers/exec.html
for this , i am confused what is bin here? since exec task run on linux only and in linux application can be installed using command
sudo apt-get install Rabbitmq-server

 Rabbitmq can also be installed and run from .zip: http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.1/rabbitmq-server-windows-3.6.1.zip

so, what to write for command attribute. similarly what is artifact block do. can some one explain how to write exec task with explanation.

You can read about artifact on https://www.nomadproject.io/docs/jobspec/index.html, but quoting from that doc: "Nomad allows downloading http, https, and S3 artifacts. If these artifacts are archives (zip, tar.gz, bz2, etc.), these will be unarchived before the task is started."

The "bin" here in the example is just some executable that is being downloaded before it is executed by Nomad. You would want to use the URL noted above if you wanted to use the artifact feature this way. You could also install rabbitmq on the host some other way, and then have Nomad exec that.

 

task "example" {
    driver = "exec"

    config {
      command = "binary.bin"
    }

    artifact {
      source = "https://dl.dropboxusercontent.com/u/1234/binary.bin"
      options {
        checksum = "sha256:abd123445ds4555555555"

      }
    }
  }

Good luck!