Replace fog_tracker binary with 'rake track'

lib/fog_tracker.rb

@@ -21,6 +21,14 @@ def self.default_logger(output = nil)
     logger
   end
 
+  # Loads account information defined in account_file.
+  # @param account_file the path to a YAML file (see accounts.example.yml).
+  # @return [Hash] the cleaned, validated Hash of account info.
+  def self.read_accounts(account_file = ENV['ACCOUNT_FILE'])
+    account_file ||= "./config/accounts.yml"
+    FogTracker.validate_accounts(YAML::load(File.read account_file))
+  end
+
   # Performs validation and cleanup on an Array of account Hashes.
   # Changes Strings to Symbols for all required keys.
   # @param [Hash] account_array an Array of Hash objects.

lib/fog_tracker/tracker.rb

@@ -3,12 +3,12 @@ module FogTracker
   # Tracks one or more Fog accounts and exposes a {#query} on the results
   class Tracker
 
-    #a Hash of account information (see accounts.yml.example)
+    #a Hash of account information (see accounts.example.yml)
     attr_reader :accounts
 
     # Creates an object for tracking multiple Fog accounts
     # @param [Hash] accounts a Hash of account information
-    #    (see accounts.yml.example)
+    #    (see accounts.example.yml)
     # @param [Hash] options optional additional parameters:
     #  - :delay (Integer) - Default time between polling of accounts
     #  - :callback (Proc) - A Method or Proc to call each time an account is polled.
@@ -105,7 +105,7 @@ def logger ; @log end
     # Sets the account information.
     # If any account info has changed, all trackers are restarted.
     # @param [Hash] accounts a Hash of account information
-    #    (see accounts.yml.example)
+    #    (see accounts.example.yml)
     def accounts=(new_accounts)
       old_accounts = @accounts
       @accounts = FogTracker.validate_accounts(new_accounts)

lib/tasks/track.rake

@@ -0,0 +1,15 @@
+desc "Runs the tracker [LOG_LEVEL=[INFO]]"
+task :track do
+  require File.join(File.dirname(__FILE__), '..', 'fog_tracker')
+
+  # Setup logging
+  log = FogTracker.default_logger(STDOUT)
+  log.level = ::Logger.const_get((ENV['LOG_LEVEL'] || 'INFO').to_sym)
+
+  log.info "Loading account information..."
+  accounts = FogTracker.read_accounts './config/accounts.yml'
+
+  FogTracker::Tracker.new(accounts, {:logger => log}).start
+  while true do ; sleep 60 end    # Loop forever
+
+end

spec/lib/fog_tracker_spec.rb

@@ -1,25 +1,33 @@
 module FogTracker
-
+
+  describe '#read_accounts' do
+    it "converts a YAML file into a Hash of account info" do
+      accounts = FogTracker.read_accounts('./config/accounts.example.yml')
+      accounts.should be_a Hash
+      accounts.should_not be_empty
+    end
+  end
+
   describe '#validate_accounts' do
-    it "should raise an exception when no service is specified" do
+    it "raises an exception when no service is specified" do
       (Proc.new { FogTracker.validate_accounts(
           FAKE_ACCOUNT_NAME => FAKE_ACCOUNT.merge({:service => nil})
         )}).should raise_error
     end
-    
-    it "should raise an exception when no provider is specified" do
+
+    it "raises an exception when no provider is specified" do
       (Proc.new { FogTracker.validate_accounts(
           FAKE_ACCOUNT_NAME => FAKE_ACCOUNT.merge({:provider => nil})
         )}).should raise_error
     end
-    
-    it "should raise an exception when no credentials are specified" do
+
+    it "raises an exception when no credentials are specified" do
       (Proc.new { FogTracker.validate_accounts(
           FAKE_ACCOUNT_NAME => FAKE_ACCOUNT.merge({:credentials => nil})
         )}).should raise_error
     end
 
-    it "should symbolize all account keys" do
+    it "symbolizes all account keys" do
       validated_accounts = FogTracker.validate_accounts(
         FAKE_ACCOUNT_NAME => {
           'provider'     => 'AWS',