From f1287a7925901bf3518eb69079304bfb97f7434d Mon Sep 17 00:00:00 2001
From: Saku Ytti <saku@ytti.fi>
Date: Sat, 20 Apr 2013 00:41:23 +0300
Subject: Example of Syslog triggered fetch

'syslog.rb' listed to UDP port (or reads file). When IOS or JunOS style
config change/commit message is seen, it triggers immediate update ot
config

It transports commit message (junos) remote host from which change was
mde (ios) and who made the change (junos+ios). This is carried over to
the 'output' methods, that is, 'git blame' will show IOS/JunOS user-name
who made the change.
---
 lib/oxidized/api/rest.rb | 45 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 38 insertions(+), 7 deletions(-)

(limited to 'lib/oxidized/api')

diff --git a/lib/oxidized/api/rest.rb b/lib/oxidized/api/rest.rb
index 4a5fbca..9e00837 100644
--- a/lib/oxidized/api/rest.rb
+++ b/lib/oxidized/api/rest.rb
@@ -3,6 +3,14 @@ module Oxidized
   require 'json'
   module API
     class Rest
+      module Helpers
+        def send res, msg='OK', status=200
+          res['Content-Type'] = 'application/json'
+          res.status = status
+          res.body = JSON.dump msg
+        end
+      end
+      include Oxidized::API::Rest::Helpers
       def initialize nodes, listen
         @nodes = nodes
         addr, port = listen.to_s.split ':'
@@ -18,26 +26,49 @@ module Oxidized
         end
       end
       def maps
+        @web.mount '/nodes/next', Next, @nodes
         @web.mount_proc '/nodes' do |req, res|
           #script_name, #path_info
           case req.path_info[1..-1]
           # /nodes/reload - reloads list of nodes
           when 'reload'
             @nodes.load
-            res.body = JSON.dump 'OK'
-          # /nodes/next/node - moves node to head of queue
-          when /next\/(.*)/
-            @nodes.next $1
-            res.body = JSON.dump 'OK'
+            send res
           # /nodes/list - returns list of nodes
           when 'list'
-            res.body = JSON.dump @nodes.list
+            send res, @nodes.list
           # /nodes/show/node - returns data about node
           when /show\/(.*)/
-            res.body = JSON.dump @nodes.show $1
+            send res, @nodes.show($1)
+          end
+        end
+      end
+
+      # /nodes/next/node - moves node to head of queue
+      class Next < WEBrick::HTTPServlet::AbstractServlet
+        include Oxidized::API::Rest::Helpers
+        def initialize server, nodes
+          super server
+          @nodes = nodes
+        end
+        def do_GET req, res
+          @nodes.next req.path_info[1..-1]
+          send res
+        end
+        def do_PUT req, res
+          node = req.path_info[1..-1]
+          begin
+            opt = JSON.load req.body
+            Log.debug "before: #{@nodes.list}"
+            @nodes.next node, opt
+            Log.debug "after: #{@nodes.list}"
+            send res
+          rescue JSON::ParserError
+            send res, 'broken JSON', 400
           end
         end
       end
+
     end
   end
 end
-- 
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