From 688d23527ff6f91809ddeb1efc769d021fb979be Mon Sep 17 00:00:00 2001
From: Artur Gurgul1 <artur@gurgul.org>
Date: Thu, 7 Aug 2025 19:41:04 +0200
Subject: [PATCH] Add setting up systemd

---
 .../postgresql/postgresql.service.erb         |  4 +-
 lib/execute.rb                                |  2 +
 lib/setup/postgresql.rb                       | 39 +++++++++++++------
 3 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/lib/data/templates/postgresql/postgresql.service.erb b/lib/data/templates/postgresql/postgresql.service.erb
index 0bc60d9..71f10ce 100644
--- a/lib/data/templates/postgresql/postgresql.service.erb
+++ b/lib/data/templates/postgresql/postgresql.service.erb
@@ -5,8 +5,8 @@ After=network.target
 [Service]
 Type=notify
 
-User=postgres
-Group=services
+User=postgresql
+Group=servicesql
 
 ExecStart=<%= postgres_bin %> -D <%= database_dir %>/data
 ExecReload=/bin/kill -HUP $MAINPID
diff --git a/lib/execute.rb b/lib/execute.rb
index 782885a..550d21e 100644
--- a/lib/execute.rb
+++ b/lib/execute.rb
@@ -79,6 +79,8 @@ module Execute
     pdata = Make.context(name)
     bin_dir = pdata.get_prefix
     data_dir = "/data/#{pdata.name}/#{pdata.version.split(".").first}" 
+    puts data_dir
+    exit -1
     service_install_context = ServiceInstallContext.new(
       bin_dir, data_dir, name, pdata.version, @options.forced
     )
diff --git a/lib/setup/postgresql.rb b/lib/setup/postgresql.rb
index 8feb8db..2efc8e3 100644
--- a/lib/setup/postgresql.rb
+++ b/lib/setup/postgresql.rb
@@ -9,7 +9,15 @@ module Setup
   module PostgreSQL
     extend Templates
  
-    
+    def self.write_as(user, path, content)
+      puts "wriiting by #{user} to #{path}"
+      # If executed as root we can just use File.write
+      # File.write(postgresql_conf_path, postgresql_conf_content)
+      IO.popen(["sudo", "-u", user.to_s, "tee", path], "w") do |io|
+        io.write(content)
+      end
+    end
+
 
     # attr_accessor :te 
 
@@ -28,24 +36,31 @@ module Setup
     end
 
     def self.setup_systemd(context)
+      puts "DataDir: #{context.data_dir}"
+      pg_hba = render("pg_hba.conf")
+      pg_hba_path = "#{File.join(context.data_dir, "pg_hba.conf")}"
+      write_as(context.user_name, pg_hba_path, pg_hba)
 
-    end
+      postgresql_conf = render("postgresql.conf")
+      postgresql_conf_path = "#{File.join(context.data_dir, "postgresql.conf")}"
+      write_as(context.user_name, postgresql_conf_path, postgresql_conf)
 
-    def self.install(context)
-#      puts context.bin_dir
-      #make_config
-#      pg_hba = render("pg_hba.conf")
-#
-#      # test = render("test", te: "This is a test string")
-#      posgresql_conf = render("postgresql")
-      service = render(
+      postgres_service = render(
         "postgresql.service", 
         postgres_bin: File.join(context.bin_dir, "/bin/postgres"), 
         version: context.version, 
         database_dir: context.data_dir
-      ) 
-      # puts service
+      )
+      postgres_service_path = "/etc/systemd/system/postgresql.service" 
+      write_as("root", postgres_service_path, postgres_service)
 
+      system("sudo systemctl daemon-reload")
+      system("sudo systemctl enable postgresql")
+      system("sudo systemctl start postgresql")
+
+    end
+
+    def self.install(context)
       user_context = Execute::UserInstallContext.new(context.user_name, :service)
       User.install(user_context)
       init_db(context)