Merge branch 'develop'

1 files changed, 99 insertions, 0 deletions

diff --git a/lib/leap/platform.rb b/lib/leap/platform.rb
new file mode 100644
index 00000000..9e6cadd5
--- /dev/null
+++ b/lib/leap/platform.rb
@@ -0,0 +1,99 @@
+module Leap
+
+  class Platform
+    class << self
+      #
+      # configuration
+      #
+
+      attr_reader :version
+      attr_reader :compatible_cli
+      attr_accessor :facts
+      attr_accessor :paths
+      attr_accessor :node_files
+      attr_accessor :monitor_username
+      attr_accessor :reserved_usernames
+
+      attr_accessor :hiera_dir
+      attr_accessor :hiera_path
+      attr_accessor :files_dir
+      attr_accessor :leap_dir
+      attr_accessor :init_path
+
+      attr_accessor :default_puppet_tags
+
+      def define(&block)
+        # some defaults:
+        @reserved_usernames = []
+        @hiera_dir  = '/etc/leap'
+        @hiera_path = '/etc/leap/hiera.yaml'
+        @leap_dir   = '/srv/leap'
+        @files_dir  = '/srv/leap/files'
+        @init_path  = '/srv/leap/initialized'
+        @default_puppet_tags = []
+
+        self.instance_eval(&block)
+
+        @version ||= Gem::Version.new("0.0")
+      end
+
+      def validate!(cli_version, compatible_platforms, leapfile)
+        if !compatible_with_cli?(cli_version) || !version_in_range?(compatible_platforms)
+          raise StandardError, "This leap command (v#{cli_version}) " +
+            "is not compatible with the platform #{leapfile.platform_directory_path} (v#{version}).\n   " +
+            "You need either leap command #{compatible_cli.first} to #{compatible_cli.last} or " +
+            "platform version #{compatible_platforms.first} to #{compatible_platforms.last}"
+        end
+      end
+
+      def version=(version)
+        @version = Gem::Version.new(version)
+      end
+
+      def compatible_cli=(range)
+        @compatible_cli = range
+        @minimum_cli_version = Gem::Version.new(range.first)
+        @maximum_cli_version = Gem::Version.new(range.last)
+      end
+
+      #
+      # return true if the cli_version is compatible with this platform.
+      #
+      def compatible_with_cli?(cli_version)
+        cli_version = Gem::Version.new(cli_version)
+        cli_version >= @minimum_cli_version && cli_version <= @maximum_cli_version
+      end
+
+      #
+      # return true if the platform version is within the specified range.
+      #
+      def version_in_range?(range)
+        if range.is_a? String
+          range = range.split('..')
+        end
+        minimum_platform_version = Gem::Version.new(range.first)
+        maximum_platform_version = Gem::Version.new(range.last)
+        @version >= minimum_platform_version && @version <= maximum_platform_version
+      end
+
+      def major_version
+        if @version.segments.first == 0
+          @version.segments[0..1].join('.')
+        else
+          @version.segments.first
+        end
+      end
+
+      def method_missing(method, *args)
+        puts
+        puts "WARNING:"
+        puts "  leap_cli is out of date and does not understand `#{method}`."
+        puts "  called from: #{caller.first}"
+        puts "  please upgrade to a newer leap_cli"
+      end
+
+    end
+
+  end
+
+end
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