generate systemd for postgres

lib/data/templates/postgresql/postgresql.service.erb

@@ -8,7 +8,7 @@ Type=notify
 User=postgres
 Group=services
 
-ExecStart=<%= prefix %>/bin/postgres -D <%= database_path %>/data
+ExecStart=<%= postgres_bin %> -D <%= database_dir %>/data
 ExecReload=/bin/kill -HUP $MAINPID
 KillMode=mixed
 TimeoutSec=300

lib/execute.rb

@@ -15,6 +15,17 @@ require 'ostruct'
 # dat command service zulip
 
 module Execute
+  class ServiceInstallContext
+    attr_accessor :bin_dir, :data_dir, :version, :user_name
+    
+    def initialize(bin_dir, data_dir, user_name, version)
+      @bin_dir = bin_dir
+      @data_dir = data_dir
+      @user_name = user_name
+      @version = version
+    end
+  end
+
   def dependency(name)
     puts "Checking for #{name}..."
 
@@ -34,15 +45,44 @@ module Execute
     Gem::Specification::find_all_by_name(name).any?
   end
 
-  def postgres
+  def get_install_executor(name)
+    require 'make'
+    pdata = Make.context(name)
+    bin_dir = pdata.get_prefix
+    data_dir = "/data/#{pdata.name}/#{pdata.version.split(".").first}" 
+    service_install_context = ServiceInstallContext.new(
+      bin_dir, data_dir, name, pdata.version
+    )
+
+    case name
+    when :postgresql
     require 'setup/postgresql'
-    puts 'installing postgres'
-    Setup::PostgreSQL.install
+    -> { Setup::PostgreSQL.install(service_install_context) }
+    # ->(context) { 
+    #   Setup::PostgreSQL.install(context) 
+    # }
+    else
+    raise "Can't find the executor"
+    end
   end
 
+  def execute_with_context(context)
+
+  end
+  # def postgres
+  #   require 'setup/postgresql'
+  #   Setup::PostgreSQL.install
+  # end
+
   def service(name)
+    executor = get_install_executor(name)
+    #executor.call(service_install_context)
+    executor.call
+    exit -1
+
     if block_given?
       context = OpenStruct.new
+      # service context
       output = yield context
       puts output
       puts "context: #{context}"
@@ -62,16 +102,12 @@ module Execute
   end
 
   def self.file(options)
-    require 'make'
-    puts Make.context("postgresql")
-
-    puts "options: #{options}"
     dsl = Object.new
     dsl.extend(Execute)
+    
     # Configfile
     path = File.join(Dir.pwd, options.name || "./Configfile")
     dsl.instance_eval(File.read(path), path)
-    # Execute the config
   end
 end
 

lib/setup/postgresql.rb

@@ -1,7 +1,9 @@
 
 module Setup
   require_relative '../templates'
-
+  # dat execute postgres
+  # example.rcp
+  
   module PostgreSQL
     extend Templates
  
@@ -9,26 +11,25 @@ module Setup
 
     # attr_accessor :te 
 
-    def self.init_db
+    def self.init_db(context)
       system(" -D /opt/pgsql/16/data")
     end
 
-    def self.make_config
-      pg_hba = render("pg_hba.conf")
-
-      # test = render("test", te: "This is a test string")
-      posgresql_conf = render("postgresql")
+    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(
         "postgresql.service", 
-        prefix: "/pkg/postgresql/REL_17_5/", 
-        version: "16.5", 
-        data_url: "/data/postgresql/16/"
+        postgres_bin: File.join(context.bin_dir, "/bin/postgres"), 
+        version: context.version, 
+        database_dir: context.data_dir
       ) 
-      puts test
-    end
-  
-    def self.install
-      make_config
+      puts service
+
     end
   end
 end