fix(github-runner): redesign the nomad job template to use different …

…orgs

Provide different job names and group names

Signed-off-by: Bruce Becker <[email protected]>

.pre-commit-config.yaml

@@ -35,6 +35,7 @@ repos:
         args:
           - fmt
         files: nomad
+        exclude: ".*tpl"
 
 ci:
   autoupdate_branch: main

github-runner/github-runner.nomad.tpl

@@ -1,60 +1,68 @@
-variable "runner_version" {
-  description = "Version to use for the github runner.\nSee https://github.com/actions/runner/releases/"
-  default = "2.303.0"
-  type = string
-}
-
-// variable "github_org" {
-//   description = "Name of the github org we attach the runner to"
-//   default = "SouthAfricaDigitalScience"
-//   type = string
-// }
-job "github-runner" {
+job "github-runner-${org}" {
+  name = "github-runner-${org}"
   datacenters = ["dc1"]
-  group "main" {
-    task "dependencies" {
-      driver = "exec"
-      artifact {
-        source = "https://github.com/actions/runner/releases/download/v${runner_version}/actions-runner-linux-arm64-${runner_version}.tar.gz"
-      }
-      config {
-        command = "./bin/installdependencies.sh"
-        args = []
-      }
-    }
-    task "launch" {
+  group "${org}" {
+
+    task "configure" {
       env {
         RUNNER_CFG_PAT = "${token}"
       }
+      lifecycle {
+        hook = "prestart"
+      }
       driver = "exec"
       artifact {
-        source = "https://github.com/actions/runner/releases/download/v${runner_version}/actions-runner-linux-arm64-${runner_version}.tar.gz"
+        source = "https://github.com/actions/runner/releases/download/v${runner_version}/actions-runner-linux-$${attr.cpu.arch}-${runner_version}.tar.gz"
+        destination = "$${NOMAD_ALLOC_DIR}/actions-runner"
+        mode = "dir"
       }
       config {
-        command = "config.sh"
+        command = "$${NOMAD_ALLOC_DIR}/actions-runner/config.sh"
         args = [
           "config.sh",
           "--unattended",
-          "--url", "https://github.com/${org_name}",
+          "--url", "https://github.com/${org}",
           "--token", "${token}",
-          "--labels", "test"
+          "--labels", "hah",
+          "--ephemeral"
         ]
       }
     }
+
+    task "launch" {
+      driver = "exec"
+      config {
+        command = "$${NOMAD_ALLOC_DIR}/actions-runner/run.sh"
+      }
+      scaling "cpu" {
+        enabled = true
+        min     = 100
+        max     = 150
+
+        policy {
+          cooldown = "5m"
+          evaluation_interval = "10s"
+          strategy "target-value" {
+            target = 2
+          }
+        }
+      }
+    }
+
     task "remove" {
       lifecycle {
         hook = "poststop"
         sidecar = false
       }
       driver = "exec"
       config {
-        command = "config.sh"
+        command = "$${NOMAD_ALLOC_DIR}/actions-runner/config.sh"
         args = [
           "remove",
           "--token",
           "${token}"
         ]
       }
-    }
-  }
+    } // remove task
+  } // task group
 }