fix(test): rewrite latest backup check for multiple paths

tests/test_backup.py

@@ -67,22 +67,38 @@ def test_last_backup_is_recent(server: str) -> bool:
     print("Checking latest backup age:")
 
     client = socket.gethostname()
-    path = "/backup/{}/home/latest".format(client)
-    cmd = "ssh -o StrictHostKeyChecking=no {} ls -l {} | grep latest".format(
-        server, path
-    )
-    status, out = subprocess.getstatusoutput(cmd)
-    if status == 0:
-        date = out.strip().split(" ")[-1]
-        pdate = datetime.strptime(date, "%Y-%m-%d-%H%M%S")
-        if (datetime.now() - pdate).days > MAX_AGE:
-            u.error("older than {} days".format(MAX_AGE))
-            return False
-        u.success("less than {} days old".format(MAX_AGE))
-        return True
 
-    out = out or "no output"
-    u.error("SSH access not working (code: {}): {}".format(status, out))
+    # set backup potential directories path
+    paths = [
+        "/backup/{}/home/latest".format(client),
+        "/backup/data/latest",
+    ]
+
+    # test each possible path
+    for path in paths:
+        # build and run commands
+        find = "find -L {} {} {} {} {}".format(
+            path,
+            "-maxdepth 0",
+            "-xtype l",
+            "-name latest",
+            "-exec realpath {} +"  # must always be last arg
+        )
+        cmd = "ssh -o StrictHostKeyChecking=no {} '{}'".format(server, find)
+        status, out = subprocess.getstatusoutput(cmd)
+        if status == 0:
+            # get directory name and convert to datetime
+            last = out.strip().split("/")[-1]
+            date = datetime.strptime(last, "%Y-%m-%d-%H%M%S")
+            # check age
+            if (datetime.now() - date).days > MAX_AGE:
+                u.error("older than {} days".format(MAX_AGE))
+                return False
+            u.success("less than {} days old".format(MAX_AGE))
+            return True
+
+    # if we reach here, nothing have been found
+    u.error("latest backup directory not found")
 
     return False