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Kritik
examples
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server.py
setup.py
trans.py
utils.py
vl-dcc.service
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README.md

vl-dcc

DCC generation for the vacumm laboratory.

install & activate

Create a file .git/hooks/pre-push in the GIT repository with the following content:

#!/bin/bash

# In the case of "git push --tags", writes the short tag value to the 
# VERSION file in the top level directory of the Git repository

toplevel=$(git rev-parse --show-toplevel)
f=${toplevel}/VERSION

if [ ! -f "$f" ]; then
  touch "$f"
  git add "$f"
fi

old_version=$(cat $f)
new_version=$(git describe --tags --abbrev=0 2>/dev/null)

if [ "$old_version" != "$new_version" ]; then
  echo "$new_version" > "$f"
  git commit -am "update to version '"$new_version"'"
  git push origin # Is required because normal push does not necessarily happen
fi

exit 0

Then make this file executable:

chmod 755 .git/hooks/pre-push

Do the following steps with root permission on the server installation:

mkdir -p /usr/local/share/vl-dcc
cd /usr/local/share/vl-dcc
curl --silent --output - \
  https://gitlab1.ptb.de/niepra01/vl-dcc/-/archive/master/vl-dcc-master.tar \
  | tar xf - --strip-components=1           # only once
python3 -m venv .
source bin/activate
pip3 install pip-tools
pip-compile
chown -R nobody.nobody ../vl-dcc
systemctl daemon-reload                     # if already exist
systemctl link $PWD/vl-dcc.service
systemctl enable vl-dcc.service             # make permanent
systemctl start vl-dcc.service      
systemctl status vl-dcc.service             # running?
journalctl -f --unit vl-dcc.service         # run-time check

api

vl-dcc/<cer_doc_id> (GET)

Returns a xml version of a certificate-document:

curl -s http://localhost:5006/vl-dcc/2019-75046 > dcc-2019-75046.xml

Returns a xml version of a certificate-document with validation at once:

curl -s http://a73434:5006/vl-dcc/2019-75046 | \
  curl -s -X POST -H "Content-Type: text/xml" -d @- http://a73434:5005/validate

zz (GET)

returns a xml version based on the dummy certificate-document (zz.json) for test purpose.

curl -s http://localhost:5006/zz > zz.xml

update (POST)

pulls the latest program version from origin master

http://server:port/update

This URL must be specified in the GitLab server under "Settings / Webhooks" (no secret token). "Tag Push Events" must be activated. The following information sent by GitLab is evaluated in order to obtain all files of the Ropositorium via the requested tar stream:

{
  ...
  "repository": {
    "homepage": "https://a75436.berlin.ptb.de/vaclab/vl-dcc",
    "name": "vl-dcc"
  }
  ...
}

version (GET)

curl -s http://localhost:5006/version

More hints

Pretty printing the xml code:

cat foo.xml | tidy -xml --indent auto --indent-cdata yes --quiet yes \
  --wrap 0 --tab-size 2 - > bar.xml