github actions ci additions [skip ci]

hyperglass/cli/util.py

@@ -383,19 +383,9 @@ def migrate_static_assets(app_path):
     callback(msg, a=a, b=b)
 
 
-def install_systemd(app_path):
-    """Installs generated systemd file to system's systemd directory.
+def install_systemd(app_path: Path) -> bool:
+    """Installs generated systemd file to system's systemd directory."""
 
-    Arguments:
-        app_path {Path} -- hyperglass runtime path
-
-    Raises:
-        ClickException: Raised if the /etc/systemd/system does not exist
-        ClickException: Raised if the symlinked file does not exit
-
-    Returns:
-        {bool} -- True if successful
-    """
     service = app_path / "hyperglass.service"
     systemd = Path("/etc/systemd/system")
     installed = systemd / "hyperglass.service"
@@ -403,12 +393,16 @@ def install_systemd(app_path):
     if not systemd.exists():
         error("{e} does not exist. Unable to install systemd service.", e=systemd)
 
-    installed.symlink_to(service)
+    try:
+        installed.symlink_to(service)
+        if not installed.exists():
+            warning("Unable to symlink {s} to {d}", s=service, d=installed)
+        else:
+            success("Symlinked {s} to {d}", s=service, d=installed)
 
-    if not installed.exists():
-        error("Unable to symlink {s} to {d}", s=service, d=installed)
+    except PermissionError:
+        warning("Permission denied to {f}. Systemd service not installed.", f=installed)
 
-    success("Symlinked {s} to {d}", s=service, d=installed)
     return True