[webapi] Add custom exception to generate common message

beat/cmdline/webapi.py

@@ -40,6 +40,14 @@ import simplejson as json
 from urllib.parse import urlparse
 
 
+class WebAPIError(RuntimeError):
+    def __init__(self, cmd, url, answer):
+        message = "{cmd} error {status}: {url}\nError:{text}".format(
+            cmd=cmd, status=answer.status_code, url=url, text=answer.text
+        )
+        super().__init__(message)
+
+
 class WebAPI(object):
     """Central class for all remote service related calls"""
 
@@ -82,7 +90,7 @@ class WebAPI(object):
 
         # if answer.status_code < 200 or answer.status_code >= 300:
         if answer.status_code not in [200, 204]:
-            raise RuntimeError("GET error %i : %s" % (answer.status_code, url))
+            raise WebAPIError("GET", url, answer)
 
         return answer.json()
 
@@ -91,7 +99,7 @@ class WebAPI(object):
         answer = requests.post(url, json=data, headers=self._make_headers())
 
         if answer.status_code not in [200, 201]:
-            raise RuntimeError("POST error %i : %s" % (answer.status_code, url))
+            raise WebAPIError("POST", url, answer)
 
         try:
             return answer.json()
@@ -103,7 +111,7 @@ class WebAPI(object):
         answer = requests.put(url, json=data, headers=self._make_headers())
 
         if answer.status_code not in [200, 204]:
-            raise RuntimeError("PUT error %i : %s" % (answer.status_code, url))
+            raise WebAPIError("PUT", url, answer)
 
         try:
             return answer.json()
@@ -116,4 +124,4 @@ class WebAPI(object):
 
         # Should respond a 204 status and an empty body
         if answer.status_code not in [200, 204]:
-            raise RuntimeError("DELETE error %i : %s" % (answer.status_code, url))
+            raise WebAPIError("DELETE", url, answer)