Provide convenience attribute for logging in IE mako.

config/plugins/interactive_environments/ipython/templates/ipython.mako

@@ -35,6 +35,7 @@ notebook_access_url = ie_request.url_template('${PROXY_URL}/ipython/${PORT}/note
 notebook_login_url = ie_request.url_template('${PROXY_URL}/ipython/${PORT}/login?next=%2Fipython%2F${PORT}%2Ftree')
 
 docker_cmd = ie_request.docker_cmd(temp_dir)
+ie_request.log.info("Starting IPython docker container with command [%s]" % docker_cmd)
 subprocess.call(docker_cmd, shell=True)
 %>
 <html>

lib/galaxy/web/base/interactive_environments.py

@@ -11,6 +11,9 @@ eggs.require("PyYAML")
 import yaml
 from galaxy.managers import api_keys
 
+import logging
+log = logging.getLogger(__name__)
+
 
 class InteractiveEnviornmentRequest(object):
 
@@ -18,6 +21,7 @@ class InteractiveEnviornmentRequest(object):
         plugin_config = plugin.config
 
         self.trans = trans
+        self.log = log
 
         self.attr = Bunch()
         self.attr.viz_id = plugin_config["name"].lower()