Rest API Enhancements

Rest API Enhancements:
1. Add the public folder for holding static files (HTML+JS);
2. Add support for dumping logs with offset;
3. Add support for dumping the final report;

Others:
1. Fix the issue for not dumping complete console logs;
2. Remove .html from the gitignore list

Change-Id: I8a4c0b35c35a818b67d445bcb913d1abfc683301

.gitignore

@@ -57,7 +57,6 @@ ChangeLog
 # KloudBuster
 kb*.log
 *.json
-*.html
 *.qcow2
 scale/dib/kloudbuster.d/
 .vagrant/

kb_server/kb_server/controllers/api_kb.py

@@ -66,7 +66,7 @@ class KBController(object):
             return response.text
 
     @expose(generic=True)
-    def log(self, *args):
+    def log(self, *args, **kwargs):
         if len(args):
             session_id = args[0]
         else:
@@ -74,9 +74,18 @@ class KBController(object):
             response.text = u"Please specify the session_id."
             return response.text
 
+        offset = 0
+        if 'offset' in kwargs:
+            try:
+                offset = int(kwargs['offset'])
+            except ValueError:
+                response.status = 400
+                response.text = u"Parameter 'offset' is invalid."
+                return response.text
+
         if KBSessionManager.has(session_id):
             kb_session = KBSessionManager.get(session_id)
-            plog = kb_session.kloudbuster.dump_logs(offset=0)\
+            plog = kb_session.kloudbuster.dump_logs(offset=offset)\
                 if kb_session.kloudbuster else ""
             return json.dumps(plog)
         else:
@@ -85,7 +94,7 @@ class KBController(object):
             return response.text
 
     @expose(generic=True)
-    def report(self, *args):
+    def report(self, *args, **kwargs):
         if len(args):
             session_id = args[0]
         else:
@@ -93,10 +102,17 @@ class KBController(object):
             response.text = u"Please specify the session_id."
             return response.text
 
+        final = False
+        if 'final' in kwargs:
+            final = True if kwargs['final'].lower() == 'true' else False
+
+        preport = None
         if KBSessionManager.has(session_id):
             kb_session = KBSessionManager.get(session_id)
-            preport = kb_session.kloudbuster.kb_runner.report\
-                if kb_session.kloudbuster and kb_session.kloudbuster.kb_runner else ""
+            if kb_session.kloudbuster and kb_session.kloudbuster.kb_runner:
+                preport = kb_session.kloudbuster.final_result\
+                    if final else kb_session.kloudbuster.kb_runner.report
+
             return json.dumps(preport)
         else:
             response.status = 404

kb_server/kloudbuster-swagger.yaml

@@ -169,6 +169,11 @@ paths:
                   in: path
                   description: The session to be queried
                   required: true
+                - name: offset
+                  type: int
+                  in: query
+                  description: The offset of the log file to read
+                  required: false
             tags:
                 - kloudbuster
             responses:
@@ -177,14 +182,16 @@ paths:
                     schema:
                         type: string
                         description: The console log of the given session
+                400:
+                    description: Parameter is missing or invalid
                 404:
                     description: The session_id is not found or invalid
 
     /kloudbuster/report/{session_id}:
         get:
             description: |
-                Get KloudBuster periodical report for a given session. Only
-                last report will be returned.
+                Get the latest KloudBuster periodical report for a given session.
+                Set final to true to retrieve the final report.
             parameters:
                 - name: session_id
                   type: string
@@ -192,6 +199,11 @@ paths:
                   in: path
                   description: The session to be queried
                   required: true
+                - name: final
+                  type: boolean
+                  in: query
+                  description: Set to true to retrieve the final report
+                  required: false
             tags:
                 - kloudbuster
             responses:

kb_server/public/ui/test.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Test</title>
+</head>
+<body>
+<p>Test</p>
+</body>
+</html>

kloudbuster/cfg.scale.yaml

@@ -21,7 +21,7 @@ keystone_admin_role: "admin"
 
 # Cleanup all kloudbuster resources upon exit
 # If set to False, resources created will not be deleted on exit and the user
-# will have to execute the cleanup script later to remove all these resources 
+# will have to execute the cleanup script later to remove all these resources
 cleanup_resources: True
 
 # VM creation concurrency
@@ -84,7 +84,7 @@ server:
     # Availability zone to use for servers in the server cloud
     # Leave empty if you prefer to have the Nova scheduler place the server VMs
     # If you want to pick a particular AZ, put that AZ name (e.g. nova)
-    # If you want a paticular compute host, put the AZ and compute host names 
+    # If you want a paticular compute host, put the AZ and compute host names
     # separated by ':' (e.g. nova:tme100)
     # Note that this is ignored/overriden if you specify a topology file (-t)
     availability_zone:
@@ -119,7 +119,7 @@ client:
 
     # HTTP tool specific configs (per VM)
     # Every HTTP server VM is paired to 1 HTTP traffic generator VM
-    # KloudBuster will take care of setting up the proper static routes 
+    # KloudBuster will take care of setting up the proper static routes
     # to allow connectivity between all pairs of VMs.
     # For example, if 1000 HTTP servers are configured, KloudBuster will
     # instantiate 1000 HTTP traffic generators and match them 1:1, for a total

kloudbuster/cfg.topo.yaml

@@ -3,15 +3,17 @@
 #
 # A typical use of this topology file is to shape traffic in order to maximize
 # inter-rack L3 traffic.
+#
 # With 2 racks, simply place each rack node name in each group.
 # With more than 2 racks, separate the racks in 2 groups.
 #
-# When used, the topology file will override any availability zone settings in the
-# confguration file.
-# 
-
-
-# The compute host name must be exactly the same as shown from NOVA:
+# Note
+# ====
+#
+# 1. When used, the topology file will override any availability zone
+# settings in the confguration file.
+#
+# 2. The compute host name must be exactly the same as shown from NOVA:
 # i.e. "nova hypervisor-list"
 
 # Grouping for placing all the server side VMs

kloudbuster/log.py

@@ -47,12 +47,15 @@ def setup(product_name, logfile=None):
     handlers.ColorHandler.LEVEL_COLORS[logging.KBDEBUG] = dbg_color
 
     oslogging.setup(CONF, product_name)
+    # Adding the FileHandler to all known loggers inside KloudBuster
     if logfile:
         if os.path.exists(logfile):
             os.remove(logfile)
         CONF.log_file = logfile
         hdlr = logging.FileHandler(logfile)
-        oslogging.getLogger(product_name).logger.addHandler(hdlr)
+        for name in oslogging._loggers:
+            if name:
+                oslogging.getLogger(name).logger.addHandler(hdlr)
 
     if CONF.kb_debug:
         oslogging.getLogger(