upgrade your gitlab instance correctly

gitlab-create-migrations.py

#!/usr/bin/env python

import re
import subprocess



result = subprocess.check_output("/usr/bin/dpkg --status gitlab-ce".split())
current_version = re.findall(r"Version: (.*)", result)[0].split('-')[0]
print("# Current version: {}".format(current_version))

command = 'apt-cache madison gitlab-ce'
regex = r' gitlab-ce \| (.*)-ce.0 \| .*'


output = subprocess.check_output(command.split())
all_versions = re.findall(regex, output.decode())
versions_to_upgrade = []

for version in all_versions:
  if version == current_version:
    break
  versions_to_upgrade.append(version)

versions_to_upgrade.reverse()


versions = {}

for version in versions_to_upgrade:
  all = re.findall(r'(\w+)\.(\w+)\.(\w+)', version)[0]
  major = int(all[0])
  minor = int(all[1])
  bugfix = int(all[2])
  if major not in versions.keys():
    versions[major] = {}
  if minor not in versions[major].keys():
    versions[major][minor] = []
  versions[major][minor].append(bugfix)


for major in versions.keys():
  for minor in versions[major].keys():
    print(
      "apt-get install -yq gitlab-ce={}.{}.{}-ce.0".format(
        major,
        minor,
        versions[major][minor][0]
      )
    )
    print(
      "apt-get install -yq gitlab-ce={}.{}.{}-ce.0".format(
        major,
        minor,
        versions[major][minor][-1]
      )
    )