Add setting up systemd

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)