Merge pull request kiwigrid#4 from eloo/feature/use-namespace

Use NAMESPACE env variable to search on a specific namespace

README.md

@@ -37,6 +37,11 @@ Example for a simple deployment can be found in `example.yaml`. Depending on the
   - required: true
   - type: string
 
+- `NAMESPACE`
+  - description: If specified, the sidecar will search for config-maps inside this namespace
+  - required: false
+  - type: string
+
 - `REQ_URL`
   - description: URL to which send a request after a configmap got reloaded
   - required: false
@@ -51,5 +56,3 @@ Example for a simple deployment can be found in `example.yaml`. Depending on the
   - description: If you use POST you can also provide json payload
   - required: false
   - type: json
-
-

sidecar/sidecar.py

@@ -42,7 +42,13 @@ def removeFile(folder, filename):
 def watchForChanges(label, targetFolder, url, method, payload):
     v1 = client.CoreV1Api()
     w = watch.Watch()
-    for event in w.stream(v1.list_config_map_for_all_namespaces):
+    stream = None
+    namespace = os.getenv("NAMESPACE")
+    if namespace is None:
+        stream = w.stream(v1.list_config_map_for_all_namespaces)
+    else:
+        stream = w.stream(v1.list_namespaced_config_map, namespace=namespace)
+    for event in stream:
         metadata = event['object'].metadata
         if metadata.labels is None:
             continue