added collector for avalon host name

openpype/plugins/publish/collect_host_name.py

@@ -0,0 +1,21 @@
+"""
+Requires:
+    None
+Provides:
+    context -> host (str)
+"""
+import os
+import pyblish.api
+
+
+class CollectHostName(pyblish.api.ContextPlugin):
+    """Collect avalon host name to context."""
+
+    label = "Collect Host Name"
+    order = pyblish.api.CollectorOrder
+
+    def process(self, context):
+        # Don't override value if is already set
+        host_name = context.data.get("host")
+        if not host_name:
+            context.data["host"] = os.environ.get("AVALON_APP")