Catch error in ulimit check (#436)

pyproject.toml

@@ -50,7 +50,7 @@ gateway = ["flask", "lz4", "pyopenssl", "werkzeug"]
 solver = ["cvxpy", "graphviz", "matplotlib", "numpy"]
 
 [tool.poetry.dev-dependencies]
-black = ">21.1.0"
+black = ">21.3.0"
 pytest = ">=6.0.0"
 pytest-cov = ">=2.10.0"
 pytest-xdist = ">=2.0.0"

skyplane/cli/common.py

@@ -68,14 +68,14 @@ def is_plausible_local_path(path_test: str):
     raise ValueError(f"Parse error {path}")
 
 
-def check_limits(hard_limit=1024 * 1024, soft_limit=1024 * 1024):
-    check_ulimit(hard_limit=1024 * 1024)
-
-
 def check_ulimit(hard_limit=1024 * 1024):
     # Get the current fs.file-max limit
     check_hard_limit = ["sysctl", "--values", "fs.file-max"]
-    fs_hard_limit = subprocess.check_output(check_hard_limit)
+    try:
+        fs_hard_limit = subprocess.check_output(check_hard_limit)
+    except subprocess.CalledProcessError:
+        typer.secho(f"Failed to get fs.file-max limit", fg="yellow")
+        return
     current_limit_hard = int(fs_hard_limit.decode("UTF-8"))
 
     # check/update fs.file-max limit