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compose
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Properly merge logging dictionaries in overriding configs 

Signed-off-by: Joffrey F <joffrey@docker.com>
This commit is contained in:
Joffrey F 2016-10-04 17:35:20 -07:00
parent f65f89ad8c
commit 0603b445e2
2 changed files with 169 additions and 1 deletions
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12
compose/config/config.py
View File

@ -760,6 +760,8 @@ def merge_service_dicts(base, override, version):
for field in ['dns', 'dns_search', 'env_file', 'tmpfs']:
md.merge_field(field, merge_list_or_string)
md.merge_field('logging', merge_logging)
for field in set(ALLOWED_KEYS) - set(md):
md.merge_scalar(field)
@ -789,6 +791,16 @@ def merge_build(output, base, override):
return dict(md)
def merge_logging(base, override):
md = MergeDict(base, override)
md.merge_scalar('driver')
if md.get('driver') == base.get('driver') or base.get('driver') is None:
md.merge_mapping('options', lambda m: m or {})
else:
md['options'] = override.get('options')
return dict(md)
def legacy_v1_merge_image_or_build(output, base, override):
output.pop('image', None)
output.pop('build', None)

156
tests/unit/config/config_test.py
View File

@ -1429,6 +1429,162 @@ class ConfigTest(unittest.TestCase):
'command': 'true',
}
def test_merge_logging_v2(self):
base = {
'image': 'alpine:edge',
'logging': {
'driver': 'json-file',
'options': {
'frequency': '2000',
'timeout': '23'
}
}
}
override = {
'logging': {
'options': {
'timeout': '360',
'pretty-print': 'on'
}
}
}
actual = config.merge_service_dicts(base, override, V2_0)
assert actual == {
'image': 'alpine:edge',
'logging': {
'driver': 'json-file',
'options': {
'frequency': '2000',
'timeout': '360',
'pretty-print': 'on'
}
}
}
def test_merge_logging_v2_override_driver(self):
base = {
'image': 'alpine:edge',
'logging': {
'driver': 'json-file',
'options': {
'frequency': '2000',
'timeout': '23'
}
}
}
override = {
'logging': {
'driver': 'syslog',
'options': {
'timeout': '360',
'pretty-print': 'on'
}
}
}
actual = config.merge_service_dicts(base, override, V2_0)
assert actual == {
'image': 'alpine:edge',
'logging': {
'driver': 'syslog',
'options': {
'timeout': '360',
'pretty-print': 'on'
}
}
}
def test_merge_logging_v2_no_base_driver(self):
base = {
'image': 'alpine:edge',
'logging': {
'options': {
'frequency': '2000',
'timeout': '23'
}
}
}
override = {
'logging': {
'driver': 'json-file',
'options': {
'timeout': '360',
'pretty-print': 'on'
}
}
}
actual = config.merge_service_dicts(base, override, V2_0)
assert actual == {
'image': 'alpine:edge',
'logging': {
'driver': 'json-file',
'options': {
'frequency': '2000',
'timeout': '360',
'pretty-print': 'on'
}
}
}
def test_merge_logging_v2_no_drivers(self):
base = {
'image': 'alpine:edge',
'logging': {
'options': {
'frequency': '2000',
'timeout': '23'
}
}
}
override = {
'logging': {
'options': {
'timeout': '360',
'pretty-print': 'on'
}
}
}
actual = config.merge_service_dicts(base, override, V2_0)
assert actual == {
'image': 'alpine:edge',
'logging': {
'options': {
'frequency': '2000',
'timeout': '360',
'pretty-print': 'on'
}
}
}
def test_merge_logging_v2_no_override_options(self):
base = {
'image': 'alpine:edge',
'logging': {
'driver': 'json-file',
'options': {
'frequency': '2000',
'timeout': '23'
}
}
}
override = {
'logging': {
'driver': 'syslog'
}
}
actual = config.merge_service_dicts(base, override, V2_0)
assert actual == {
'image': 'alpine:edge',
'logging': {
'driver': 'syslog',
'options': None
}
}
def test_external_volume_config(self):
config_details = build_config_details({
'version': '2',