Add prometheus endpoint

1 files changed, 10 insertions, 0 deletions

diff --git a/scarecrow.rb b/scarecrow.rb
index a527515..71adf45 100644
--- a/scarecrow.rb
+++ b/scarecrow.rb
@@ -9,6 +9,9 @@ require 'dm-migrations'
 
 set :public_folder, File.dirname(__FILE__) + '/public'
 set :bind, '::'
+configure do
+  mime_type :text, 'text/plain'
+end
 DataMapper.setup(:default, ENV['DATABASE_URL'] || "sqlite3://#{Dir.pwd}/scarecrow.sqlite")
 
 class Temperature
@@ -86,4 +89,11 @@ get '/humidity' do
     "#{humidity}"
 end
 
+get '/metrics' do
+    content_type :text
+    humidity = Humidity.last[:value]
+    temp = Temperature.last[:value]
+    "humidity #{humidity}\ntemperature #{temp}"
+end
+
 init