Improve tab completion of fetch

confluent_client/confluent_env.sh

@@ -166,7 +166,7 @@ _confluent_osimage_completion()
         return
     elif [ ${CMPARGS[1]} == 'fetch' ]; then
         if [ $NUMARGS == 3 ]; then
-            COMPREPLY=($(compgen -W "alma-10-aarch64 alma-10-x86_64  debian-13-amd64 rocky-10-aarch64 rocky-10-x86_64 ubuntu-26.04-amd64 ubuntu-26.04-arm64 " -- ${COMP_WORDS[COMP_CWORD]}))
+            COMPREPLY=($(compgen -W "$(osdeploy getfetchable)" -- "${COMP_WORDS[COMP_CWORD]}"))
             return
         fi
         compopt -o  dirnames

confluent_server/bin/osdeploy

@@ -66,6 +66,10 @@ async def main(args):
     osls = sp.add_parser('list', help='List OS images available for deployment')
     ubp = sp.add_parser('rebase', help='Update stock profile content from packaged updates')
     ubp.add_argument('profile', help='Profile to rebase from packaged content')
+    if len(sys.argv) > 2 and sys.argv[1] == 'getfetchable':  # for bash completion
+        distlist = download.list_fetchable_distributions()
+        print (' '.join(distlist))
+        sys.exit(0)
     cmdset = ap.parse_args()
 
     if cmdset.command == 'list':

confluent_server/confluent/deployment/download.py

@@ -93,6 +93,21 @@ REQUEST_TIMEOUT = aiohttp.ClientTimeout(total=30)
 DOWNLOAD_TIMEOUT = aiohttp.ClientTimeout(total=None, sock_connect=30, sock_read=60)
 
 
+def list_fetchable_distributions():
+    """Return a list of all known fetchable distributions."""
+    distlist = []
+    for name, cfg in EL_DISTROS.items():
+        for arch in SUPPORTED_ARCHS:
+            for major in (8, 9, 10):
+                distlist.append(f"{name}-{major}-{arch}")
+    for ver in UBUNTU["sources"]:
+        for version in ["24.04", "26.04"]:
+            distlist.append(f"ubuntu-{version}-{ver[0]}")
+    for codename, ver in DEBIAN["suites"]:
+        for arch in DEBIAN["arches"]:
+            distlist.append(f"debian-{ver}-{arch}")
+    return distlist
+
 # Many of the OS download sites are auto generated HTML indexes, we must parse them
 class DirectoryParser(HTMLParser):
     """Extract href links from an nginx/apache directory listing page."""