From 3769303ad5086627d2b755306a387202c744aed3 Mon Sep 17 00:00:00 2001
From: Luka Vandervelden <lukc@upyum.com>
Date: Thu, 8 Aug 2019 17:12:23 +0200
Subject: [PATCH] WIP support for .spec service files.

---
 shard.yml                         |  4 +++
 src/service/service_definition.cr | 47 +++++++++++++++++++++++--------
 2 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/shard.yml b/shard.yml
index 1746b59..ac47286 100644
--- a/shard.yml
+++ b/shard.yml
@@ -13,4 +13,8 @@ targets:
   status:
     main: src/status.cr
 
+dependencies:
+  spec:
+    git: https://git.karchnu.fr/JunkOS/recipes-parser
+
 license: MIT
diff --git a/src/service/service_definition.cr b/src/service/service_definition.cr
index 6be2c2e..afa76ae 100644
--- a/src/service/service_definition.cr
+++ b/src/service/service_definition.cr
@@ -1,7 +1,16 @@
 require "yaml"
+require "spec"
 
 class ServiceDefinition
 	struct Consumes
+		def initialize(@token : String)
+			@optional = false
+
+			if @token.match /\?$/
+				@token = @token.gsub /\?$/, ""
+				@optional = true
+			end
+		end
 		YAML.mapping({
 			token: String,
 			optional: {
@@ -11,11 +20,19 @@ class ServiceDefinition
 		})
 	end
 	struct Provides
+		def initialize(@token : String)
+		end
 		YAML.mapping({
 			token: String
 		})
 	end
 	struct Checks
+		def initialize(section : Specs::Section)
+			@name = section.content["name"].as_s
+			@file = section.content["file"]?.try &.as_s
+			@directory = section.content["directory"]?.try &.as_s
+			@command = section.content["command"].as_s
+		end
 		YAML.mapping({
 			name: String,
 			file: String?,
@@ -32,10 +49,6 @@ class ServiceDefinition
 		},
 		directory: String?, # Place to chdir to before running @command.
 		user: String?, # User that should run the service.
-		environment: {
-			type: Environment,
-			default: Environment.root
-		},
 		provides: {
 			type: Array(Provides),
 			default: [] of Provides
@@ -55,19 +68,31 @@ class ServiceDefinition
 		}
 	})
 
-	def self.new(name)
-		Service.from_yaml File.read "#{name}.yaml"
-	end
-
 	class_getter all = [] of ServiceDefinition
 
+	def initialize(specs : Specs)
+		sections = specs.sections
+		pp! specs
+		specs = specs.assignments
+		@name          = specs["name"].as_s
+		@command       = specs["command"].as_s
+		@stop_command  = specs["stop-command"]?.try &.as_s
+		@directory     = specs["directory"]?.try &.as_s
+		@provides      = specs["provides"]?.try &.as_a_or_s.map { |x| Provides.new x } || Array(Provides).new
+		@consumes      = specs["consumes"]?.try &.as_a_or_s.map { |x| Consumes.new x } || Array(Consumes).new
+		@checks        = sections.select(&.name.== "check").map { |x| Checks.new x } || Array(Checks).new
+		@environment_variables = specs["environment-variables"]?.try &.as_a_or_s || Array(String).new
+	end
+
 	def self.load(path)
 		Dir.each_child path do |child|
-			unless child.match /\.yaml$/
+			if child.match /\.yaml$/
+				@@all << ServiceDefinition.from_yaml File.read "#{path}/#{child}"
+			elsif child.match /\.spec$/
+				@@all << ServiceDefinition.new Specs.parse("#{path}/#{child}").not_nil!
+			else
 				next
 			end
-
-			@@all << ServiceDefinition.from_yaml File.read "#{path}/#{child}"
 		end
 	end