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Support docker_py >= 0.3.0, Docker API >= 1.8, extended error reporting

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Pavel Antonov 2014-02-27 00:27:39 +04:00 committed by James Cammarata
parent 60055348ba
commit 53788e4c98
1 changed files with 43 additions and 12 deletions
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55
library/cloud/docker_image
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@ -104,6 +104,8 @@ Remove image from local docker storage:
try: try:
import sys import sys
import re
import json
import docker.client import docker.client
from requests.exceptions import * from requests.exceptions import *
from urlparse import urlparse from urlparse import urlparse
@ -122,12 +124,33 @@ class DockerImageManager:
docker_url = urlparse(module.params.get('docker_url')) docker_url = urlparse(module.params.get('docker_url'))
self.client = docker.Client(base_url=docker_url.geturl(), timeout=module.params.get('timeout')) self.client = docker.Client(base_url=docker_url.geturl(), timeout=module.params.get('timeout'))
self.changed = False self.changed = False
self.log = []
self.error_msg = None
def get_log(self, as_string=True):
return "".join(self.log) if as_string else self.log
def build(self): def build(self):
res = self.client.build(self.path, tag=":".join([self.name, self.tag]), nocache=self.nocache, rm=True) stream = self.client.build(self.path, tag=':'.join([self.name, self.tag]), nocache=self.nocache, rm=True, stream=True)
success_search = r'Successfully built ([0-9a-f]+)'
image_id = None
self.changed = True self.changed = True
return res
for chunk in stream:
chunk_json = json.loads(chunk)
if 'error' in chunk_json:
self.error_msg = chunk_json['error']
return None
if 'stream' in chunk_json:
output = chunk_json['stream']
self.log.append(output)
match = re.search(success_search, output)
if match:
image_id = match.group(1)
return image_id
def has_changed(self): def has_changed(self):
return self.changed return self.changed
@ -136,7 +159,13 @@ class DockerImageManager:
filtered_images = [] filtered_images = []
images = self.client.images() images = self.client.images()
for i in images: for i in images:
if (not self.name or self.name == i['Repository']) and (not self.tag or self.tag == i['Tag']): # Docker-py version >= 0.3 (Docker API >= 1.8)
if 'RepoTags' in i:
repotag = '%s:%s' % (getattr(self, 'name', ''), getattr(self, 'tags', 'latest'))
if not self.name or repotag in i['RepoTags']:
filtered_images.append(i)
# Docker-py version < 0.3 (Docker API < 1.8)
elif (not self.name or self.name == i['Repository']) and (not self.tag or self.tag == i['Tag']):
filtered_images.append(i) filtered_images.append(i)
return filtered_images return filtered_images
@ -170,25 +199,27 @@ def main():
failed = False failed = False
image_id = None image_id = None
msg = '' msg = ''
do_build = False
# build image if not exists # build image if not exists
if state == "present": if state == "present":
images = manager.get_images() images = manager.get_images()
if len(images) == 0: if len(images) == 0:
image_id, msg = manager.build() do_build = True
if image_id is None: # build image
failed = True elif state == "build":
do_build = True
# remove image or images # remove image or images
elif state == "absent": elif state == "absent":
manager.remove_images() manager.remove_images()
# build image if do_build:
elif state == "build": image_id = manager.build()
image_id, msg = manager.build() if image_id:
if image_id is None: msg = "Image builded: %s" % image_id
else:
failed = True failed = True
msg = "Error: %s\nLog:%s" % (manager.error_msg, manager.get_log())
module.exit_json(failed=failed, changed=manager.has_changed(), msg=msg, image_id=image_id) module.exit_json(failed=failed, changed=manager.has_changed(), msg=msg, image_id=image_id)