Local jar artifact

[Chka]

Hi,

I'm trying to run a java app in nomad locally. But I can't get around `artifact.source` config. hello.jar is located in /tmp directory.

If I set `artifact.source = "./tmp/hello.jar"`, I get the following error.  

2017/10/09 15:51:29.642245 [DEBUG] client: failed to download artifact "./tmp/hello.jar": relative paths require a module with a pwd

Running `go-getter /tmp/hello.jar local` gives a success. Any idea what maybe wrong with the nomad config?

Here is the full config file.

job "local" {

  datacenters = ["dc1"]

  type = "service"

  update {

    stagger      = "10s"

    max_parallel = 1

  }

  group "java" {

    count = 1

    task "api" {

      driver = "java"

      config {

        jar_path = "hello.jar"

        jvm_options = ["-Xmx1024m", "-Xms256m"]

      }

      artifact {

        source = "./tmp/hello.jar"

      }

      resources {

        cpu    = 500 # MHz

        memory = 128 # MB

        network {

          mbits = 100

          port "http" {

            static = 9000

          }

        }

      }

    }

  }

}

Thanks

[Laurent Commarieu]

Try to remove the dot in your source directive.
Nomad's error message is about relative path.

You should have:

source = "/tmp/hello.jar"

[Chka]

Yea tried that as well. It turned out nomad doesn't support `file` artifact.

Workaround would be either dockerize the jar or host the jar on a http server.

[Michael Schurter]

This is the issue to follow for supporting file artifacts: https://github.com/hashicorp/nomad/issues/1897

We don't want to give unlimited filesystem access to tasks, so we need to add a list of whitelisted paths to the client's config.

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