From 0b229a771e846893e759cd4102172e60a541d439 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Sat, 13 Aug 2022 20:38:41 +0200
Subject: [PATCH 1/4] Barebones ci-runner module

This adds a barebones CI-runner module with the following option:

`pub-solar.ci-runner.enable`

If enabled, this will start a systemd service on boot that runs
`drone-runner-exec`. The configuration expects you to have a file called
`secrets/drone-runner-exec-config` handled by agenix that gets put into
`/run/agenix/drone-runner-exec-config` and is owned by root.

This file should contain a configuration similar to the following:

```
CLIENT_DRONE_RPC_PROTO=https
CLIENT_DRONE_RPC_HOST=drone.company.com
CLIENT_DRONE_RPC_SECRET=super-duper-secret
```
---
 modules/ci-runner/default.nix | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 modules/ci-runner/default.nix

diff --git a/modules/ci-runner/default.nix b/modules/ci-runner/default.nix
new file mode 100644
index 0000000..28325b1
--- /dev/null
+++ b/modules/ci-runner/default.nix
@@ -0,0 +1,35 @@
+{ lib, config, pkgs, self, ... }:
+with lib;
+let
+  psCfg = config.pub-solar;
+  cfg = config.pub-solar.ci-runner;
+in
+{
+  options.pub-solar.ci-runner = {
+    enable = mkEnableOption "Enables a systemd service that runs drone-ci-runner";
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.ci-runner = {
+      enable = true;
+
+      description = "CI runner for the PubSolarOS repository that can run test VM instances with KVM.";
+
+      serviceConfig = {
+        Type = "simple";
+        Restart = "always";
+      };
+
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" "libvirtd.service" ];
+
+      script = ''${pkgs.drone-runner-exec}/bin/drone-runner-exec daemon /run/agenix/drone-runner-exec-config'';
+    };
+
+    age.secrets."drone-runner-exec-config" = {
+      file = "${self}/secrets/drone-runner-exec-config";
+      mode = "700";
+      owner = "root";
+    };
+  };
+}

From dc1e707925c25e96d4e1d83da9f4b86aa902f547 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Sat, 13 Aug 2022 22:31:30 +0200
Subject: [PATCH 2/4] Move ci-runner to user and add git, virsh and nix to path

---
 modules/ci-runner/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/ci-runner/default.nix b/modules/ci-runner/default.nix
index 28325b1..4db4228 100644
--- a/modules/ci-runner/default.nix
+++ b/modules/ci-runner/default.nix
@@ -10,7 +10,7 @@ in
   };
 
   config = mkIf cfg.enable {
-    systemd.services.ci-runner = {
+    systemd.user.services.ci-runner = {
       enable = true;
 
       description = "CI runner for the PubSolarOS repository that can run test VM instances with KVM.";
@@ -20,6 +20,8 @@ in
         Restart = "always";
       };
 
+      path = "${pkgs.git}/bin:${pkgs.nix}/bin:${pkgs.libvirt}/bin";
+
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" "libvirtd.service" ];
 
@@ -29,7 +31,7 @@ in
     age.secrets."drone-runner-exec-config" = {
       file = "${self}/secrets/drone-runner-exec-config";
       mode = "700";
-      owner = "root";
+      owner = psCfg.user.name;
     };
   };
 }

From 2ca921b4a3ada5c4eda5908da88ce3776cfe3292 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Sun, 14 Aug 2022 20:24:50 +0200
Subject: [PATCH 3/4] Fix path in drone runner exec

---
 modules/ci-runner/default.nix | 6 +++++-
 pkgs/drone-docker-runner.nix  | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/ci-runner/default.nix b/modules/ci-runner/default.nix
index 4db4228..1460ab1 100644
--- a/modules/ci-runner/default.nix
+++ b/modules/ci-runner/default.nix
@@ -20,7 +20,11 @@ in
         Restart = "always";
       };
 
-      path = "${pkgs.git}/bin:${pkgs.nix}/bin:${pkgs.libvirt}/bin";
+      path = [
+        pkgs.git
+        pkgs.nix
+        pkgs.libvirt
+      ];
 
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" "libvirtd.service" ];
diff --git a/pkgs/drone-docker-runner.nix b/pkgs/drone-docker-runner.nix
index cf6dc80..25de349 100644
--- a/pkgs/drone-docker-runner.nix
+++ b/pkgs/drone-docker-runner.nix
@@ -6,7 +6,7 @@ self: with self; ''
         --env=DRONE_RPC_PROTO=$DRONE_RPC_PROTO \
         --env=DRONE_RPC_HOST=$DRONE_RPC_HOST \
         --env=DRONE_RPC_SECRET=$(${self.libsecret}/bin/secret-tool lookup drone rpc-secret) \
-        --env=DRONE_RUNNER_CAPACITY=4 \
+        --env=DRONE_RUNNER_CAPACITY=8 \
         --env=DRONE_RUNNER_NAME=$(${self.inetutils}/bin/hostname) \
         --publish=30010:30010 \
         --restart=always \

From 9f886ce51fa7237d3a774ae31594ff44bfc83874 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Sun, 14 Aug 2022 20:25:12 +0200
Subject: [PATCH 4/4] Working drone-exec-runner

---
 hosts/chocolatebar/chocolatebar.nix |   1 +
 secrets/drone-runner-exec-config    | Bin 0 -> 2535 bytes
 secrets/secrets.nix                 |   2 ++
 users/ben/home.nix                  |   2 +-
 4 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 secrets/drone-runner-exec-config

diff --git a/hosts/chocolatebar/chocolatebar.nix b/hosts/chocolatebar/chocolatebar.nix
index eb6efd7..a61e4c9 100644
--- a/hosts/chocolatebar/chocolatebar.nix
+++ b/hosts/chocolatebar/chocolatebar.nix
@@ -37,6 +37,7 @@ in
       owner = psCfg.user.name;
     };
     pub-solar.sway.vnc.enable = true;
+    pub-solar.ci-runner.enable = true;
 
     home-manager.users."${psCfg.user.name}".xdg.configFile = mkIf psCfg.sway.enable {
       "sway/config.d/10-autostart.conf".source = ./.config/sway/config.d/autostart.conf;
diff --git a/secrets/drone-runner-exec-config b/secrets/drone-runner-exec-config
new file mode 100644
index 0000000000000000000000000000000000000000..0b7e2e90f9870e3a7e0d2c45b6afe91bfe3c335e
GIT binary patch
literal 2535
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z1wD9B5fMBHA!uACn2=!1ArOtrB@kmYIT$dWjHnT34s&~#_x{8CKK?L?u0`d(z0`eH
zm7l2EWHG|PwNGE|y7XGxg;!4kXF)U|>V_0J#;nnj92#qMSQUa&d0vTT@}~9rbs1My
z5z_l3eUiZJm^)=kxGKE{k>x^FQs4+{aEM#M*|eLKhx`j!$0v0Xy5Q8Tt4SYQXV}T-
zxTsqh-4h&mtfR!A)Nm0DQ@h>+3?Z-2J6@PIWCN01jA$ytod$bd5xd&o#M^U~pfkME
zRdg(Bn!e!6Ehgb7C(7bJ;d`JFr~wvv@t96kgid&R#E&Fohf9{WRyj@+5W^f77F+O~
zm}jfNmjw10TJb2OWlHf&fPnXmj(F8L6oS4`g;Rt>rya&Q+Te42kFi7`PACMGXNbvF
z`-G=mJ+J4*L5uPQg^9qzgik5Bw3SnqUSP=&Q70D$#4!^#q|mKK?N@F{=n8sL*^MaR
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lzy7<YAO5(>z51;mzUQC+z4y7-{}BE9Ge7y<Z;y*B{|9s3T{!>%

literal 0
HcmV?d00001

diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index 65b6ed9..dbd43e3 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -42,5 +42,7 @@ in
   "vnc-cert-chocolatebar.pem".publicKeys = chocolatebarKeys;
   "vnc-key-chocolatebar.pem".publicKeys = chocolatebarKeys;
 
+  "drone-runner-exec-config".publicKeys = allKeys; 
+
   "mopidy.conf".publicKeys = allKeys;
 }
diff --git a/users/ben/home.nix b/users/ben/home.nix
index 0aff38a..2298431 100644
--- a/users/ben/home.nix
+++ b/users/ben/home.nix
@@ -97,7 +97,7 @@ in
     mode = "700";
     owner = "mopidy";
   };
-  services.mopidy.extraConfigFiles = [ "/run/secrets/mopidy.conf" ];
+  services.mopidy.extraConfigFiles = [ "/run/agenix/mopidy.conf" ];
 
   programs.ssh.extraConfig = "
     PubkeyAcceptedKeyTypes +ssh-rsa