Added metric prefix

3 files changed, 10 insertions, 5 deletions

diff --git a/lib/longboat/collector.rb b/lib/longboat/collector.rb
index c812b05..d1a5d93 100644
--- a/lib/longboat/collector.rb
+++ b/lib/longboat/collector.rb
@@ -1,10 +1,12 @@
 module Longboat
   class Collector
-    def initialize
+    def initialize(config)
       @metrics = {}
+      @config = config
     end
 
     def report!(name, value, help: nil, type: nil, labels: {}, timestamp: Time.now)
+      name = "#{@config[:metric_prefix]}#{name}"
       @metrics[name] ||= {help: help, type: type}
       @metrics[name][labels] = {value: value, timestamp: timestamp}
     end
diff --git a/lib/longboat/config.rb b/lib/longboat/config.rb
index 874a5be..8f4907c 100644
--- a/lib/longboat/config.rb
+++ b/lib/longboat/config.rb
@@ -5,11 +5,14 @@ module Longboat
     def self.parse!
       Optimist::options do
         # Collection interval
-        opt :collect_every, "Collection interval",      type: Integer, default: 60
+        opt :collect_every,  "Collection interval",      type: Integer, default: 60
+
+        # Job data
+        opt :metric_prefix, "Prefix for metric names",   type: String,  default: "longboat_"
 
         # Sinatra server
-        opt :server_bind,   "Server listening address", type: String,  default: "127.0.0.1:8564"
-        opt :server_path,   "Path to metrics",          type: String,  default: "/metrics"
+        opt :server_bind,    "Server listening address", type: String,  default: "127.0.0.1:8564"
+        opt :server_path,    "Path to metrics",          type: String,  default: "/metrics"
       end
     end
   end
diff --git a/lib/longboat/jobs.rb b/lib/longboat/jobs.rb
index 86d3c64..f0ada5a 100644
--- a/lib/longboat/jobs.rb
+++ b/lib/longboat/jobs.rb
@@ -41,7 +41,7 @@ module Longboat
     private
 
     def job_config
-      @config.slice(:collect_every)
+      @config.slice(:collect_every, :metric_prefix)
     end
   end
 end