Fix handling of binaryData .url keys

.github/workflows/build_and_test.yaml

@@ -6,6 +6,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3          
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Build sidecar
@@ -14,10 +16,13 @@ jobs:
           push: false
           outputs: type=docker,dest=/tmp/k8s-sidecar.tar
           tags: "kiwigrid/k8s-sidecar:testing"
+      - name: Prepare dummy server static resources
+        run: |
+          cp test/kubelogo.png test/server/static/
       - name: Build dummy server
         uses: docker/build-push-action@v3
         with:
-          context: "{{defaultContext}}:test/server"
+          context: "test/server"
           push: false
           outputs: type=docker,dest=/tmp/dummy-server.tar
           tags: "dummy-server:1.0.0"
@@ -123,6 +128,7 @@ jobs:
           kubectl cp sidecar:/tmp/hello.world /tmp/hello.world
           kubectl cp sidecar:/tmp/cm-kubelogo.png /tmp/cm-kubelogo.png
           kubectl cp sidecar:/tmp/secret-kubelogo.png /tmp/secret-kubelogo.png
+          kubectl cp sidecar:/tmp/url-downloaded-kubelogo.png /tmp/url-downloaded-kubelogo.png          
           kubectl cp sidecar:/tmp/script_result /tmp/script_result
           kubectl cp sidecar:/tmp/absolute/absolute.txt /tmp/absolute.txt
           kubectl cp sidecar:/tmp/relative/relative.txt /tmp/relative.txt
@@ -134,6 +140,7 @@ jobs:
           kubectl cp sidecar-5xx:/tmp-5xx/hello.world /tmp/5xx/hello.world
           kubectl cp sidecar-5xx:/tmp-5xx/cm-kubelogo.png /tmp/5xx/cm-kubelogo.png
           kubectl cp sidecar-5xx:/tmp-5xx/secret-kubelogo.png /tmp/5xx/secret-kubelogo.png
+          kubectl cp sidecar-5xx:/tmp-5xx/url-downloaded-kubelogo.png /tmp/5xx/url-downloaded-kubelogo.png          
           # script also generates into '/tmp'
           kubectl cp sidecar-5xx:/tmp/script_result /tmp/5xx/script_result
           # absolute path in configmap points to /tmp in 'absolute-configmap'
@@ -169,6 +176,7 @@ jobs:
           echo -n "Hello World!" | diff - /tmp/hello.world &&
             diff test/kubelogo.png /tmp/cm-kubelogo.png &&
             diff test/kubelogo.png /tmp/secret-kubelogo.png &&
+            diff test/kubelogo.png /tmp/url-downloaded-kubelogo.png &&
             echo -n "This absolutely exists" | diff - /tmp/absolute.txt &&
             echo -n "This relatively exists" | diff - /tmp/relative.txt &&
             echo -n "This change-dir exists" | diff - /tmp/change-dir.txt &&
@@ -179,6 +187,7 @@ jobs:
             echo -n "Hello World!" | diff - /tmp/5xx/hello.world &&
             diff test/kubelogo.png /tmp/5xx/cm-kubelogo.png &&
             diff test/kubelogo.png /tmp/5xx/secret-kubelogo.png &&
+            diff test/kubelogo.png /tmp/5xx/url-downloaded-kubelogo.png &&
             echo -n "This absolutely exists" | diff - /tmp/5xx/absolute.txt &&
             echo -n "This relatively exists" | diff - /tmp/5xx/relative.txt &&
             echo -n "This change-dir exists" | diff - /tmp/5xx/change-dir.txt &&

src/resources.py

@@ -54,7 +54,11 @@ def _get_file_data_and_name(full_filename, content, enable_5xx, content_type=CON
 
     if full_filename.endswith(".url"):
         filename = full_filename[:-4]
-        file_data = request(file_data, "GET", enable_5xx).text
+        if content_type == CONTENT_TYPE_BASE64_BINARY:
+            file_url = file_data.decode('utf8')
+            file_data = request(file_url, "GET", enable_5xx).content
+        else:
+            file_data = request(file_data, "GET", enable_5xx).text
     else:
         filename = full_filename
 

test/resources/resources.yaml

@@ -72,3 +72,13 @@ metadata:
     findme: "yup"
 data:
   secured.txt.url: "http://dummy-server/secured"
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: url-configmap-binary-download
+  labels:
+    findme: "yup"
+binaryData:
+  # Base64 encoded url is 'http://dummy-server/static/kubelogo.png'
+  url-downloaded-kubelogo.png.url: "aHR0cDovL2R1bW15LXNlcnZlci9zdGF0aWMva3ViZWxvZ28ucG5n"

test/server/Dockerfile

@@ -2,4 +2,5 @@ FROM python:3.9-alpine
 RUN pip install fastapi uvicorn
 EXPOSE 80
 COPY server.py /server.py
+COPY static /static/
 CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "80"]

test/server/server.py

@@ -1,10 +1,13 @@
 from fastapi import Depends, FastAPI, status, HTTPException
 from fastapi.logger import logger
 from fastapi.security import HTTPBasic, HTTPBasicCredentials
+from fastapi.staticfiles import StaticFiles
 from starlette.responses import PlainTextResponse
 
 app = FastAPI()
 
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
 basic_auth_scheme = HTTPBasic()