106 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| # Felix server
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| { config, lib, pkgs, ... }:
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| 
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| with lib;
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| 
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| let
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| 
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|   cfg = config.services.felix;
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| 
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| in
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| 
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| {
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| 
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|   ###### interface
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| 
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|   options = {
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| 
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|     services.felix = {
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| 
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|       enable = mkOption {
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|         default = false;
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|         description = "Whether to enable the Apache Felix OSGi service";
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|       };
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| 
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|       bundles = mkOption {
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|         type = types.listOf types.package;
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|         default = [ pkgs.felix_remoteshell ];
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|         defaultText = "[ pkgs.felix_remoteshell ]";
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|         description = "List of bundles that should be activated on startup";
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|       };
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| 
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|       user = mkOption {
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|         default = "osgi";
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|         description = "User account under which Apache Felix runs.";
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|       };
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| 
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|       group = mkOption {
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|         default = "osgi";
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|         description = "Group account under which Apache Felix runs.";
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|       };
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| 
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|     };
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| 
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|   };
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| 
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| 
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|   ###### implementation
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| 
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|   config = mkIf cfg.enable {
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|     users.groups.osgi.gid = config.ids.gids.osgi;
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| 
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|     users.users.osgi =
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|       { uid = config.ids.uids.osgi;
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|         description = "OSGi user";
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|         home = "/homeless-shelter";
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|       };
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| 
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|     systemd.services.felix = {
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|       description = "Felix server";
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|       wantedBy = [ "multi-user.target" ];
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| 
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|       preStart = ''
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|         # Initialise felix instance on first startup
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|         if [ ! -d /var/felix ]
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|         then
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|           # Symlink system files
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| 
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|           mkdir -p /var/felix
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|           chown ${cfg.user}:${cfg.group} /var/felix
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| 
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|           for i in ${pkgs.felix}/*
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|           do
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|               if [ "$i" != "${pkgs.felix}/bundle" ]
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|               then
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|                   ln -sfn $i /var/felix/$(basename $i)
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|               fi
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|           done
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| 
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|           # Symlink bundles
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|           mkdir -p /var/felix/bundle
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|           chown ${cfg.user}:${cfg.group} /var/felix/bundle
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| 
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|           for i in ${pkgs.felix}/bundle/* ${toString cfg.bundles}
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|           do
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|               if [ -f $i ]
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|               then
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|                   ln -sfn $i /var/felix/bundle/$(basename $i)
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|               elif [ -d $i ]
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|               then
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|                   for j in $i/bundle/*
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|               do
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|                   ln -sfn $j /var/felix/bundle/$(basename $j)
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|               done
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|               fi
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|           done
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|         fi
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|       '';
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| 
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|       script = ''
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|         cd /var/felix
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|         ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c '${pkgs.jre}/bin/java -jar bin/felix.jar'
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|       '';
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|     };
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|   };
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| }
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