workflows: Prepend reusable workfow with _

.github/workflows/ci.yml

@@ -89,14 +89,14 @@ jobs:
         run: nix build .#checks.x86_64-linux.${{ matrix.check }} --print-build-logs
   build-server:
     needs: parse-flake
-    uses: ./.github/workflows/build-host.yml
+    uses: ./.github/workflows/_build-host.yml
     with:
       hosts: ${{ needs.parse-flake.outputs.servers }}
     secrets:
       CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}
   build-workstation:
     needs: parse-flake
-    uses: ./.github/workflows/build-host.yml
+    uses: ./.github/workflows/_build-host.yml
     with:
       hosts: ${{ needs.parse-flake.outputs.workstations }}
     secrets:

modules/nixos/services/alertmanager.nix

@@ -83,7 +83,10 @@ in
             notification = {
               topic = "splitleaf";
               priority = "default";
-              templates.title = ''{{ if eq .Status "firing" }}{{ index .Annotations "summary" }}{{ else }}{{ index .Annotations "summary_resolved" }}{{ end }}'';
+              templates = {
+                title = ''{{ if eq .Status "firing" }}{{ index .Annotations "summary" }}{{ else }}{{ index .Annotations "summary_resolved" }}{{ end }}'';
+                description = ''{{ if eq .Status "firing" }}{{ index .Annotations "description" }}{{ else }}{{ index .Annotations "description_resolved" }}{{ end }}'';
+              };
               tags = [
                 {
                   condition = ''status == "resolved"'';

modules/nixos/services/prometheus.nix

@@ -98,6 +98,8 @@ in
                   annotations = {
                     summary = "${hostName} is DOWN";
                     summary_resolved = "${hostName} is up again";
+                    description = "No metrics received for over 2 minutes.";
+                    description_resolved = "Metrics are being received again.";
                   };
                 })
               )
@@ -107,8 +109,10 @@ in
                   expr = ''up{job=~"prometheus|alertmanager"} == 0'';
                   for = "2m";
                   annotations = {
-                    summary = "{{ $labels.job }} on {{ $labels.instance }} is DOWN";
+                    summary = "{{ $labels.job | title }} on {{ $labels.instance }} is DOWN";
-                    summary_resolved = "{{ $labels.job }} on {{ $labels.instance }} is up again";
+                    summary_resolved = "{{ $labels.job | title }} on {{ $labels.instance }} is up again";
+                    description = "Unresponsive for over 2 minutes.";
+                    description_resolved = "Responding normally.";
                   };
                 }
                 {
@@ -117,6 +121,8 @@ in
                   annotations = {
                     summary = "{{ $labels.instance }} deployment failed";
                     summary_resolved = "{{ $labels.instance }} deployment recovered";
+                    description = "Deployment is not reaching \"done\" status.";
+                    description_resolved = "Deployment completed successfully.";
                   };
                 }
                 {
@@ -126,6 +132,8 @@ in
                   annotations = {
                     summary = "Hosts are running different commits";
                     summary_resolved = "All hosts are running the same commit again";
+                    description = "Possibly a failed deployment or incompatible configurations.";
+                    description_resolved = "All hosts are in sync.";
                   };
                 }
               ];