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Add support for exec.prebuild.

master
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f99a4c1ab3
共有 2 個檔案被更改,包括 19 行新增1 行删除
  1. +1
    -1
      example/gateway/focker-compose.yml
  2. +18
    -0
      focker/compose.py

+ 1
- 1
example/gateway/focker-compose.yml 查看文件

@@ -1,4 +1,4 @@
prebuild:
exec.prebuild:
- python3 getmetadata.py


+ 18
- 0
focker/compose.py 查看文件

@@ -27,6 +27,22 @@ from .misc import focker_lock, \
focker_unlock
def exec_prebuild(spec, path):
if isinstance(spec, str):
spec = [ spec ]
if not isinstance(spec, list):
raise ValueError('exec.prebuild should be a string or a list of strings')
spec = ' && '.join(spec)
print('Running exec.build command:', spec)
spec = [ '/bin/sh', '-c', spec ]
oldwd = os.getcwd()
os.chdir(path)
res = subprocess.run(spec)
if res.returncode != 0:
raise RuntimeError('exec.prebuild failed')
os.chdir(oldwd)
def build_volumes(spec):
poolname = zfs_poolname()
for tag, params in spec.items():
@@ -103,6 +119,8 @@ def command_compose_build(args):
print('path:', path)
with open(args.filename, 'r') as f:
spec = yaml.safe_load(f)
if 'exec.prebuild' in spec:
exec_prebuild(spec['exec.prebuild'], path)
if 'volumes' in spec:
build_volumes(spec['volumes'])
if 'images' in spec:


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