Collect logs from Open vSwitch

Notice: Open vSwitch is configured to send ERROR log to syslog.
We collect here WARNING and INFO messages

Change-Id: I918daeca17fa276ae8d0f7d8ada90204d209f219

deployment_scripts/puppet/modules/lma_collector/manifests/logs/ovs.pp

@@ -0,0 +1,20 @@
+class lma_collector::logs::ovs {
+  include lma_collector::params
+  include lma_collector::service
+
+  heka::decoder::sandbox { 'ovs':
+    config_dir => $lma_collector::params::config_dir,
+    filename   => "${lma_collector::params::plugins_dir}/decoders/ovs_log.lua",
+    notify     => Class['lma_collector::service'],
+  }
+
+  heka::input::logstreamer { 'ovs':
+    config_dir     => $lma_collector::params::config_dir,
+    decoder        => 'ovs',
+    log_directory  => '/var/log/openvswitch',
+    file_match     => '(?P<Service>ovs\-vswitchd|ovsdb\-server)\.log$',
+    differentiator => "[ 'Service' ]",
+    require        => Heka::Decoder::Sandbox['ovs'],
+    notify         => Class['lma_collector::service'],
+  }
+}