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compose
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Add image digest arguments to config serialization 

Add arguments for image digests in the config.serialize module to
optionally pin images to digests, like bundles.

Signed-off-by: King Chung Huang <kinghuang@mac.com>
This commit is contained in:
King Chung Huang 2017-01-14 10:54:29 -07:00
parent 73aff2b50f
commit 1a7e01c39a
1 changed files with 11 additions and 5 deletions
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16
compose/config/serialize.py
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@ -26,10 +26,13 @@ yaml.SafeDumper.add_representer(types.ServiceSecret, serialize_dict_type)
yaml.SafeDumper.add_representer(types.ServicePort, serialize_dict_type)
def denormalize_config(config):
def denormalize_config(config, image_digests=None):
result = {'version': V2_1 if config.version == V1 else config.version}
denormalized_services = [
denormalize_service_dict(service_dict, config.version)
denormalize_service_dict(
service_dict,
config.version,
image_digests[service_dict['name']] if image_digests else None)
for service_dict in config.services
]
result['services'] = {
@ -51,9 +54,9 @@ def denormalize_config(config):
return result
def serialize_config(config):
def serialize_config(config, image_digests=None):
return yaml.safe_dump(
denormalize_config(config),
denormalize_config(config, image_digests),
default_flow_style=False,
indent=2,
width=80)
@ -78,9 +81,12 @@ def serialize_ns_time_value(value):
return '{0}{1}'.format(*result)
def denormalize_service_dict(service_dict, version):
def denormalize_service_dict(service_dict, version, image_digest=None):
service_dict = service_dict.copy()
if image_digest:
service_dict['image'] = image_digest
if 'restart' in service_dict:
service_dict['restart'] = types.serialize_restart_spec(
service_dict['restart']