6
Update due to process yaml update
svnplace 2 Jul 2024 11:58
1 contributor
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{line.log.rev}
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 name: Backup (full)
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 args:
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 -
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 name: backup.store
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 label: Backup location
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 placeholder: Path to blob directory
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 -
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 name: backup.pattern
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 label: Backup names
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 placeholder: The bit between the directory and _<ver>_full
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 role:
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 policies:
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 - urn/api/policy/svnplace/Allow Everything
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 parents:
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 - urn/api/role/{user.username}/
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 - urn/api/role/svnplace/Backup Creater
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 jobs:
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 do_backup:
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 runs_on:
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 host_instance: "{repo.primary.rootdirectory.instance.api_id}"
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 mapped_repo: "{repo.primary.api_id}"
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 steps:
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 -
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 name: Backup
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 python: |
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 import os
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 import subprocess
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 import sys
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 import xml.etree.ElementTree as ET
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 from api_api import API
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 repo = '{repo.urn}'
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 repo_user = repo.rsplit('/',2)[1]
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 repo_name = repo.rsplit('/',2)[2]
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 repo_file = '/var/svnplace/process/repo'
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 backup_file = os.path.abspath('./backup')
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 def get_repo_version(repo):
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 r = subprocess.run(['svn','info','--xml', 'FILE://'+repo], capture_output=True)
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 if r.returncode != 0:
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 print(r.stdout)
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 print(r.stderr)
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 return None
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 tree = ET.fromstring(r.stdout)
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 return int(tree.find('entry').attrib['revision'])
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 def backup_blob(ver):
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 return '{backup.store}/{backup.pattern}_%(ver)d_full' % {{
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 'backups': '{backup.store}',
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 'username': repo_user,
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 'reponame': repo_name,
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 'ver': ver,
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 }
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 api = API('https://svnplace.com/api', ['~/.svnplace/config'])
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 repo_desc = api.repos.describe_repo(repo)
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 repo_ver = get_repo_version(repo_file)
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 try:
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 r = api.blobs.describe_blob('urn/blob/'+backup_blob(repo_ver))
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 except FileNotFoundError:
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 pass
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 else:
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 print(f'{{repo_user}/{{repo_name}@{{repo_ver} is already backed up - nothing to do')
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 sys.exit(0)
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 print('Creating backup copy')
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 r = subprocess.run(['svnadmin','hotcopy', repo_file, backup_file])
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 if r.returncode != 0:
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 print('Failed to complete backup')
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 sys.exit(1)
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 backup_ver = get_repo_version(backup_file)
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 if backup_ver is None:
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 print('Failed to read backup version')
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 sys.exit(1)
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 print(f'Archiving backup {{repo_user}/{{repo_name}@{{backup_ver}')
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 r0 = subprocess.Popen(('tar', '--strip-components', '1', '-C', backup_file, '-cz', '.'), stdout=subprocess.PIPE)
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 r1 = subprocess.run(['blobcp', '-s', repo_desc.seal.api_id, '-s', 'urn/seal/user/svnplace/Backup - Full', '-', 'blob:'+backup_blob(backup_ver)], stdin=r0.stdout)
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 if r1.returncode:
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 print('Backup failed')
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 sys.exit(1)
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 print('Backup complete')
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