Error downloading .tgz

[tbartelmess]

Nomad version

Nomad version: Nomad v0.5.6

Operating system and Environment details

Ubuntu 16.04 LTS

Issue

I am trying to use the Java driver to run Graylog, which is distributed as .tgz file. Using an artifact stanza like this

    artifact {
      source = "https://s3.ca-central-1.amazonaws.com/marketcircle-nomad-artifacts/graylog-2.2.3.tgz"
      destination = "/tmp/gl"
    }

Nomad is downloading the file but it looks like after decompressing the /tmp/gl folder is empty. Doing the same with a .zip archive https://s3.ca-central-1.amazonaws.com/marketcircle-nomad-artifacts/graylog-2.2.3.zip works fine.

I've also tried to use the go-getter test tool to download the tgz file and it downloads and decompresses it fine

Reproduction steps

Run the job from the Job file section

$ nomad run graylog.nomad
==> Monitoring evaluation "25984e0e"
    Evaluation triggered by job "graylog"
    Allocation "4f07e679" created: node "957b1432", group "server"
    Evaluation status changed: "pending" -> "complete"
==> Evaluation "25984e0e" finished with status "complete"

Check the alloc logs, and you'll see something like

04/30/17 15:55:15 UTC  Restarting                Task restarting in 15.867810596s
04/30/17 15:55:15 UTC  Failed Artifact Download  failed to download artifact "https://s3.ca-central-1.amazonaws.com/marketcircle-nomad-artifacts/graylog-2.2.3.tgz": open /var/nomad/alloc/4f07e679-6740-ae05-d09c-5fb8bcfd06e6/server/tmp/gl/graylog-2.2.3/graylog.jar: no such file or directory
04/30/17 15:55:11 UTC  Downloading Artifacts     Client is downloading artifacts

And checking the download folder, shows an empty folder:

nomad fs 4f07e679 server/tmp/gl
Mode  Size  Modified Time  Name

Try the same with the .zip download (just replace .tgz with .zip in the job file) and the server/tmp/gl folder will look like this:

root@golem:~# nomad fs 24031c50 server/tmp/gl
Mode        Size     Modified Time          Name
drwxr-xr-x  4.0 KiB  04/30/17 15:57:51 UTC  __MACOSX/
drwxr-xr-x  4.0 KiB  04/30/17 15:57:51 UTC  graylog-2.2.3/

Job file

job "graylog" {
  type = "service"
  datacenters = ["dc1"]
  task "server" {
    driver = "java"
    artifact {
      source = "https://s3.ca-central-1.amazonaws.com/marketcircle-nomad-artifacts/graylog-2.2.3.zip"
      destination = "/tmp/gl"
    }
    resources {
      cpu = 1000
      memory = 1024
      network {
        port "http" {}
      }
    }
    config {
        jar_path = "tmp/gl/graylog-2.2.3/graylog.jar" # This won't work because some extra stuff is needed, however this is irrelevant for this bug.  
    }
  }
}

[dadgar]

Hey this is fixed by #2524 and will be part of 0.6.0! Sorry you ran into it!

[tbartelmess]

@dadgar Nice! Thanks.

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