diff --git a/examples/dev.json b/examples/dev.json
index da7cd90..275b175 100644
--- a/examples/dev.json
+++ b/examples/dev.json
@@ -55,13 +55,13 @@
                     "class": "etc/dummy",
                     "periods": ["fast"],
                     "threshold": 1,
-                    "args": { "sleep": 1, "fail": 1 }
+                    "args": { "sleep": 1, "fail": true }
                 },
                 {
                     "class": "etc/dummy",
                     "periods": ["fast"],
                     "threshold": 1,
-                    "args": { "sleep": 10, "fail": 0 }
+                    "args": { "sleep": 10, "fail": false }
                 }
             ]
         },
@@ -73,13 +73,13 @@
                     "class": "etc/dummy",
                     "periods": ["fast"],
                     "threshold": 1,
-                    "args": { "sleep": 1, "fail": 1 }
+                    "args": { "sleep": 1, "fail": true }
                 },
                 {
                     "class": "etc/dummy",
                     "periods": ["fast"],
                     "threshold": 1,
-                    "args": { "sleep": 10, "fail": 0 }
+                    "args": { "sleep": 10, "fail": false }
                 }
             ]
         }
@@ -91,7 +91,7 @@
         },
         "gooo":{
             "hostgroups": [ "b" ],
-            "enabled": true
+            "enabled": false
         }
     },
     "core":{
diff --git a/examples/minimal.json b/examples/minimal.json
index 5ef2c4a..8026ed7 100644
--- a/examples/minimal.json
+++ b/examples/minimal.json
@@ -26,7 +26,7 @@
             "members": ["root"],
             "hosts": [ "a"],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 1 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 1 }
             ]
         }
     },
diff --git a/examples/stress.json b/examples/stress.json
index 01a8523..03feee0 100644
--- a/examples/stress.json
+++ b/examples/stress.json
@@ -28,16 +28,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "b":{
@@ -46,16 +46,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "c":{
@@ -64,16 +64,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "d":{
@@ -82,16 +82,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "e":{
@@ -100,16 +100,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "f":{
@@ -118,16 +118,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "g":{
@@ -136,16 +136,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "h":{
@@ -154,16 +154,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "i":{
@@ -172,16 +172,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "j":{
@@ -190,16 +190,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "k":{
@@ -208,16 +208,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "l":{
@@ -226,16 +226,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "m":{
@@ -244,16 +244,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "n":{
@@ -262,16 +262,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         },
         "o":{
@@ -280,16 +280,16 @@
                        "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm",
                        "nn", "oo", "pp", "qq", "vv", "ww", "xx", "yy", "zz" ],
             "services":[
-                { "class": "etc/dummy", "args": { "sleep": 1, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 2, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 3, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 4, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 5, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 6, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 7, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 8, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 9, "fail": 1 }, "periods": ["fast"], "threshold": 3 },
-                { "class": "etc/dummy", "args": { "sleep": 10, "fail": 1 }, "periods": ["fast"], "threshold": 3 }
+                { "class": "etc/dummy", "args": { "sleep": 1, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 2, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 3, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 4, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 5, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 6, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 7, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 8, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 9, "fail": true }, "periods": ["fast"], "threshold": 3 },
+                { "class": "etc/dummy", "args": { "sleep": 10, "fail": true }, "periods": ["fast"], "threshold": 3 }
             ]
         }
     },
diff --git a/linspector/services/etc/dummy.py b/linspector/services/etc/dummy.py
index d733b5b..20e4e61 100644
--- a/linspector/services/etc/dummy.py
+++ b/linspector/services/etc/dummy.py
@@ -59,7 +59,7 @@ class DummyService(Service):
         if "sleep" in args:
             self.sleep = args["sleep"]
 
-        self.fail = 0
+        self.fail = False
         if "fail" in args:
             self.fail = args["fail"]
 
@@ -70,7 +70,7 @@ class DummyService(Service):
 
         time.sleep(self.sleep)
 
-        if self.fail > 0:
+        if self.fail:
             job.set_errorcode(1)
             job.set_message("[dummy: " + job.jobHex + "] Failed on host: " + job.get_host() +
                             " Sleep: " + str(self.sleep) + " Fail: " + str(self.fail))