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Support HCL2 file function in jobspec #191

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lgfa29 opened this issue Jan 16, 2021 · 0 comments · Fixed by #192
Closed

Support HCL2 file function in jobspec #191

lgfa29 opened this issue Jan 16, 2021 · 0 comments · Fixed by #192
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enhancement stage/needs-discussion theme/resource/job

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@lgfa29
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lgfa29 commented Jan 16, 2021 •
edited
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Terraform Version

Terraform v0.14.4
+ provider hashicorp.com/dev/nomad v0.14.2

Nomad Version

Name                          Address    Port  Status  Leader  Protocol  Build  Datacenter  Region
laoqui-hc-mbp-6.local.global  127.0.0.1  4648  alive   true    2         1.0.1  dc1         global

Provider Configuration

provider "nomad" {
  address = "http://localhost:4646"
}

Environment Variables

No

Affected Resource(s)

  • nomad_job

Terraform Configuration Files

main.tf

provider "nomad" {
  address = "http://localhost:4646"
}

resource "nomad_job" "nginx" {
  jobspec = file("${path.root}/nginx.nomad")
  hcl2    = true
}

nginx.nomad

job "nginx" {
  datacenters = ["dc1"]

  group "nginx" {
    network {
      port "http" {
        to     = 8080
        static = 8080
      }
    }

    task "nginx" {
      driver = "docker"

      config {
        image = "nginx:1.19"
        ports = ["http"]
        volumes = [
          "local/nginx/hello.conf:/etc/nginx/conf.d/hello.conf",
          "local/www:/www/data"
        ]
      }

      template {
        data        = <<EOF
server {
  root /www/data;
  listen {{ env "NOMAD_PORT_http" }};
}
EOF
        destination = "local/nginx/hello.conf"
      }

      template {
        data        = file("./index.html")
        destination = "local/www/index.html"
      }
    }
  }
}

index.html

<html>
  <head>
    <title>Hello, World!</title>
  </head>
  <body>
    <p>Hello, World!</p>
  </body>
</html>

Expected Behavior

The nginx job is created with the index page content read from index.html.

Actual Behavior

$ terraform plan

nomad_job.nginx: Refreshing state... [id=nginx]

Error: error parsing jobspec: job "nginx" {
  datacenters = ["dc1"]

  group "nginx" {
    network {
      port "http" {
        to     = 8080
        static = 8080
      }
    }

    task "nginx" {
      driver = "docker"

      config {
        image = "nginx:1.19"
        ports = ["http"]
        volumes = [
          "local/nginx/hello.conf:/etc/nginx/conf.d/hello.conf",
          "local/www:/www/data"
        ]
      }

      template {
        data        = <<EOF
server {
  root /www/data;
  listen {{ env "NOMAD_PORT_http" }};
}
EOF
        destination = "local/nginx/hello.conf"
      }

      template {
        data        = file("./index.html")
        destination = "local/www/index.html"
      }
    }
  }
}
:35,23-28: Error in function call; Call to function "file" failed: filesystem function disabled.
job "nginx" {
  datacenters = ["dc1"]

  group "nginx" {
    network {
      port "http" {
        to     = 8080
        static = 8080
      }
    }

    task "nginx" {
      driver = "docker"

      config {
        image = "nginx:1.19"
        ports = ["http"]
        volumes = [
          "local/nginx/hello.conf:/etc/nginx/conf.d/hello.conf",
          "local/www:/www/data"
        ]
      }

      template {
        data        = <<EOF
server {
  root /www/data;
  listen {{ env "NOMAD_PORT_http" }};
}
EOF
        destination = "local/nginx/hello.conf"
      }

      template {
        data        = file("./index.html")
        destination = "local/www/index.html"
      }
    }
  }
}
:35,23-28: Unsuitable value type; Unsuitable value: value must be known

  on main.tf line 14, in resource "nomad_job" "nginx":
  14: resource "nomad_job" "nginx" {

Steps to Reproduce

  1. terraform plan

References
@lgfa29 lgfa29 mentioned this issue Jan 16, 2021
Closed
@lgfa29 lgfa29 changed the title Support HCL2 functions in jobspec Support HCL2 file function in jobspec Jan 18, 2021
@lgfa29 lgfa29 mentioned this issue Jan 18, 2021
Merged
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allow HCL2 file system functions hashicorp/terraform-provider-nomad
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@lgfa29