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Improve docker_healthcheck.py file

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This commit is contained in:
Ayaz Salikhov
2023-02-28 14:23:05 +04:00
parent bcd323f794
commit 0074a09c87
2 changed files with 8 additions and 5 deletions
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2
base-notebook/Dockerfile
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@@ -70,7 +70,7 @@ RUN sed -re "s/c.ServerApp/c.NotebookApp/g" \
# This healtcheck works well for `lab`, `notebook`, `nbclassic`, `server` and `retro` jupyter commands # This healtcheck works well for `lab`, `notebook`, `nbclassic`, `server` and `retro` jupyter commands
# https://github.com/jupyter/docker-stacks/issues/915#issuecomment-1068528799 # https://github.com/jupyter/docker-stacks/issues/915#issuecomment-1068528799
HEALTHCHECK --interval=5s --timeout=3s --start-period=5s --retries=3 \ HEALTHCHECK --interval=5s --timeout=3s --start-period=5s --retries=3 \
CMD python /etc/jupyter/docker_healthcheck.py || exit 1 CMD /etc/jupyter/docker_healthcheck.py || exit 1
# Switch back to jovyan to avoid accidental container runs as root # Switch back to jovyan to avoid accidental container runs as root
USER ${NB_UID} USER ${NB_UID}

11
base-notebook/docker_healthcheck.py Normal file → Executable file
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@@ -1,16 +1,19 @@
#!/usr/bin/env python3
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import json import json
import os import os
from pathlib import Path
import requests import requests
# A number of operations below delibrately don't check for possible errors # A number of operations below delibrately don't check for possible errors
# As this is a healthcheck, it should succeed or raise an exception on error # As this is a healthcheck, it should succeed or raise an exception on error
runtime_dir = "/home/" + os.environ["NB_USER"] + "/.local/share/jupyter/runtime/" runtime_dir = Path("/home/") / os.environ["NB_USER"] / ".local/share/jupyter/runtime/"
file_list = os.listdir(runtime_dir) json_file = next(runtime_dir.glob("*.json"))
json_file = [s for s in file_list if s.endswith(".json")]
url = json.load(open(runtime_dir + json_file[0]))["url"] url = json.loads(json_file.read_bytes())["url"]
url = url + "api" url = url + "api"
r = requests.get(url, verify=False) # request without SSL verification r = requests.get(url, verify=False) # request without SSL verification