From 5ca7dadd02fb49dd62ad448d12021359e41beec1 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Tue, 3 Aug 2021 17:47:01 -0600
Subject: [PATCH] full deployment via nix

---
 .gitignore                    |  1 +
 Makefile                      |  4 ++++
 config.nix.tpl                |  9 ++++++++
 default.nix                   | 43 +++++++++++++++++++++++++++++++++++
 srv/cmd/mediocre-blog/main.go | 10 ++++++--
 srv/default.nix               |  2 +-
 srv/pow/pow_test.go           |  2 +-
 7 files changed, 67 insertions(+), 4 deletions(-)
 create mode 100644 config.nix.tpl
 create mode 100644 default.nix

diff --git a/.gitignore b/.gitignore
index b2be92b..79ffe03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 result
+config.nix
diff --git a/Makefile b/Makefile
index e69de29..2417c12 100644
--- a/Makefile
+++ b/Makefile
@@ -0,0 +1,4 @@
+
+install:
+	nix-build -A install
+	./result
diff --git a/config.nix.tpl b/config.nix.tpl
new file mode 100644
index 0000000..5539376
--- /dev/null
+++ b/config.nix.tpl
@@ -0,0 +1,9 @@
+{
+    powSecret = "";
+    mlSMTPAddr = "";
+    mlSMTPAuth = "";
+    dataDir = ".";
+    publicURL = "http://localhost:4000";
+    listenProto = "tcp";
+    listenAddr = ":4000";
+}
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..8e634bf
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,43 @@
+let
+    utils = (import ./nix) {};
+    pkgs = utils.pkgs;
+    system = utils.system;
+in
+    rec {
+        srv = (import ./srv).build;
+        static = (import ./static).build;
+        config = (import ./config.nix);
+
+        service = pkgs.writeText "mediocregopher-mediocre-blog" ''
+            [Unit]
+            Description=mediocregopher mediocre blog
+            Requires=network.target
+            After=network.target
+
+            [Service]
+            Restart=always
+            RestartSec=1s
+            User=mediocregopher
+            ExecStart=${srv}/bin/mediocre-blog \
+                -pow-secret   "${config.powSecret}" \
+                -ml-smtp-addr "${config.mlSMTPAddr}" \
+                -ml-smtp-auth "${config.mlSMTPAuth}" \
+                -data-dir     "${config.dataDir}" \
+                -public-url   "${config.publicURL}" \
+                -static-dir   "${static}" \
+                -listen-proto "${config.listenProto}" \
+                -listen-addr  "${config.listenAddr}"
+
+            [Install]
+            WantedBy=multi-user.target
+        '';
+
+        install = pkgs.writeScript "mediocregopher-mediocre-blog" ''
+                set -e -x
+
+                sudo cp ${service} /etc/systemd/system/mediocregopher-mediocre-blog.service
+                sudo systemctl daemon-reload
+                sudo systemctl enable mediocregopher-mediocre-blog.service
+                sudo systemctl restart mediocregopher-mediocre-blog.service
+        '';
+    }
diff --git a/srv/cmd/mediocre-blog/main.go b/srv/cmd/mediocre-blog/main.go
index f912f45..5233a2c 100644
--- a/srv/cmd/mediocre-blog/main.go
+++ b/srv/cmd/mediocre-blog/main.go
@@ -143,8 +143,8 @@ func main() {
 		Store:          mlStore,
 		Mailer:         mailer,
 		Clock:          clock,
-		FinalizeSubURL: path.Join(publicURL.String(), "/mailinglist/finalize.html"),
-		UnsubURL:       path.Join(publicURL.String(), "/mailinglist/unsubscribe.html"),
+		FinalizeSubURL: publicURL.String() + "/mailinglist/finalize.html",
+		UnsubURL:       publicURL.String() + "/mailinglist/unsubscribe.html",
 	})
 
 	mux := http.NewServeMux()
@@ -183,6 +183,12 @@ func main() {
 		loggerFatalErr(ctx, logger, "creating listen socket", err)
 	}
 
+	if *listenProto == "unix" {
+		if err := os.Chmod(*listenAddr, 0777); err != nil {
+			loggerFatalErr(ctx, logger, "chmod-ing unix socket", err)
+		}
+	}
+
 	srv := &http.Server{Handler: mux}
 	go func() {
 		if err := srv.Serve(l); err != nil && !errors.Is(err, http.ErrServerClosed) {
diff --git a/srv/default.nix b/srv/default.nix
index 5a4a4d0..e4babab 100644
--- a/srv/default.nix
+++ b/srv/default.nix
@@ -9,7 +9,7 @@ in
             pname = "mediocre-blog-srv";
             version = "dev";
             src = ./.;
-            vendorSha256 = "0xr5gks5mrh34s5npncw71wncrzqrhnm3vjfwdakd7fzd6iw049z";
+            vendorSha256 = "08wv94yv2wmlxzmanw551gixc8v8nl6zq2m721ig9nl3r540x46f";
         };
 
         shell = pkgs.stdenv.mkDerivation {
diff --git a/srv/pow/pow_test.go b/srv/pow/pow_test.go
index 4bc4141..cc868b1 100644
--- a/srv/pow/pow_test.go
+++ b/srv/pow/pow_test.go
@@ -114,7 +114,7 @@ func TestManager(t *testing.T) {
 		c := mgr.NewChallenge()
 		solution := Solve(c)
 		clock.Add(2 * time.Second)
-		assert.ErrorIs(t, mgr.CheckSolution(c.Seed, solution), ErrExpiredSolution)
+		assert.ErrorIs(t, mgr.CheckSolution(c.Seed, solution), ErrExpiredSeed)
 	}
 
 }