add test secret

Dockerfile

@@ -26,7 +26,8 @@ RUN --mount=type=secret,id=GREETING,mode=0444,required=true cat /run/secrets/GRE
 COPY ./downloadartifact.py /code
 RUN --mount=type=secret,id=GH_TOKEN,mode=0444,required=true ls -ltrah /run/secrets/GH_TOKEN 
 RUN --mount=type=secret,id=GH_TOKEN,mode=0444,required=true \
-   python /code/downloadartifact.py ${IHDELTA_DB_ARTIFACT_URL} /run/secrets/GH_TOKEN /code/ihdelta.db.zip
+    --mount=type=secret,id=GREETING,mode=0444,required=true \
+    python /code/downloadartifact.py ${IHDELTA_DB_ARTIFACT_URL} /run/secrets/GREETING /run/secrets/GH_TOKEN /code/ihdelta.db.zip
 RUN ls -l /code
 
 # Download ID is set as a space variable 

downloadartifact.py

@@ -23,11 +23,17 @@ def getArtifact(artifactUrl, gh_tokenfile, outputfile):
 
 def main():
     parser = argparse.ArgumentParser(description='Download artifact from github')
+    parser.add_argument('greetingfile', help='a test secret')
     parser.add_argument('url', help='url for the artifact building run')
     parser.add_argument('gh_tokenfile', help='authentication token')
     parser.add_argument('outputfile', help='where to store downloaded file')
 
     args = parser.parse_args()
+    print(args.greetingfile)
+    with open(args.greetingfile, 'r') as f:
+        greeting = f.read()
+        print('Read greeting secret: {}'.format(greeting))
+
     artifact_url = getArtifactUrl(args.url)
     print(artifact_url)
     getArtifact(artifact_url, args.gh_tokenfile, args.outputfile)