def parseFile(cls, ymlFile):
with open(ymlFile, "r") as ifp:
yml = yaml.safe_load(ifp)
img_tag = ImageTag.parse(yml["image"])
container = cls(yml["name"], img_tag)
container.hostname = yml.get("hostname", None)
container.command = yml.get("command", None)
if container.command:
## convert all arguments to strings
container.command = [ str(a) for a in container.command ]
container.env = yml.get("env", None)
if container.env is not None:
for key in container.env:
## coerce all values to strings
container.env[key] = str(container.env[key])
container.volumes = yml.get("volumes", None)
if container.volumes is not None:
for v in container.volumes:
if "ReadWrite" not in container.volumes[v]:
container.volumes[v]["ReadWrite"] = True
container.ports = yml.get("ports", None)
if container.ports is not None:
for p in container.ports:
if "HostIp" not in container.ports[p]:
container.ports[p]["HostIp"] = "0.0.0.0"
return container
def parseFile(cls, ymlFile):
with open(ymlFile, "r") as ifp:
yml = yaml.safe_load(ifp)
img_tag = ImageTag.parse(yml["image"])
container = cls(yml["name"], img_tag)
container.hostname = yml.get("hostname", None)
container.command = yml.get("command", None)
if container.command:
## convert all arguments to strings
container.command = [str(a) for a in container.command]
container.env = yml.get("env", {})
for key in container.env:
## coerce all values to strings
container.env[key] = str(container.env[key])
container.volumes = yml.get("volumes", None)
if container.volumes is not None:
for v in container.volumes:
if "ReadWrite" not in container.volumes[v]:
container.volumes[v]["ReadWrite"] = True
container.ports = yml.get("ports", None)
if container.ports is not None:
for p in container.ports:
if "HostIp" not in container.ports[p]:
container.ports[p]["HostIp"] = "0.0.0.0"
return container
def getImage(self, name):
""" returns an Image for the given name, or None if not found """
retVal = None
img_data = self.client.inspect_image(name)
if img_data:
retVal = Image.fromJson(img_data)
retVal.tags = [ name if isinstance(name, ImageTag) else ImageTag.parse(name) ]
return retVal
def test_parseFile(self):
cdef = ContainerDefinition.parseFile(
os.path.join(self.EXAMPLE_DIR, "00-private-registry.yaml"))
eq_(cdef.name, "private-registry")
eq_(cdef.image_tag, ImageTag("registry", tag="0.8.1"))
eq_(cdef.env["SETTINGS_FLAVOR"], "local")
eq_(cdef.ports["5000/tcp"], {"HostIp": "0.0.0.0", "HostPort": 11003})
eq_(cdef.volumes["/var/lib/docker/registry"], {
"HostPath": "/tmp",
"ReadWrite": True
})
def getImage(self, name):
""" returns an Image for the given name, or None if not found """
retVal = None
img_data = self.client.inspect_image(name)
if img_data:
retVal = Image.fromJson(img_data)
retVal.tags = [
name if isinstance(name, ImageTag) else ImageTag.parse(name)
]
return retVal
def test_getImageIdFromRegistry(self):
docker = DockerSyncWrapper(docker_host=self.DOCKER_HOST_URL)
httpretty.register_uri(
httpretty.GET,
"http://index.docker.io/v1/repositories/some/repo/tags",
body=json.dumps([
{ "layer": "84422536", "name": "latest" }
]),
content_type="application/json",
)
img_id = docker.getImageIdFromRegistry(ImageTag("some/repo", tag="latest"))
eq_("84422536", img_id)
def getImages(self):
""" returns a dict of image_tag => Image instance """
self.images = {}
for img in self.client.images(all=True):
tags = [ ImageTag.parse(t) for t in img["RepoTags"] ]
image = Image(img["Id"])
image.tags = tags
for t in image.tags:
if t:
self.images[t] = image
return self.images
def getImages(self):
""" returns a dict of image_tag => Image instance """
self.images = {}
for img in self.client.images(all=True):
tags = [ImageTag.parse(t) for t in img["RepoTags"]]
image = Image(img["Id"])
image.tags = tags
for t in image.tags:
if t:
self.images[t] = image
return self.images
def getImage(self, name):
""" returns an Image for the given name, or None if not found """
retVal = None
img_data = self.client.inspect_image(name)
if img_data:
img_cfg = img_data.get("config", {})
retVal = Image(img_data["id"])
retVal.tags = [ name if isinstance(name, ImageTag) else ImageTag.parse(name) ]
retVal.entrypoint = img_cfg.get("Entrypoint", [None])
retVal.command = img_cfg.get("Cmd", [None])
return retVal
def test_getImages(self):
docker = DockerSyncWrapper(docker_host=self.DOCKER_HOST_URL)
httpretty.register_uri(
httpretty.GET,
self.DOCKER_HOST_URL + "/v%s/images/json" % (self.VERSION),
body=json.dumps([
{
"RepoTags": [
"ubuntu:12.04",
"ubuntu:precise",
"ubuntu:latest"
],
"Id": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
"Created": 1365714795,
"Size": 131506275,
"VirtualSize": 131506275
},
{
"RepoTags": [
"ubuntu:12.10",
"ubuntu:quantal"
],
"ParentId": "27cf784147099545",
"Id": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"Created": 1364102658,
"Size": 24653,
"VirtualSize": 180116135
}
]),
content_type="application/json",
)
images = docker.getImages()
eq_(httpretty.last_request().querystring["all"], ["1"])
assert ImageTag.parse("ubuntu:12.10") in images, "tag not found"
def test_remote_registry_with_tag(self):
eq_(ImageTag(repository="some/repo", tag="aTag", registry="remote.registry:5000"), ImageTag.parse("remote.registry:5000/some/repo:aTag"))
def test_official_repo_only(self):
# http://index.docker.io/v1/repositories/ubuntu/tags/latest
eq_(ImageTag(repository="ubuntu", tag="latest"), ImageTag.parse("ubuntu"))
def test_official_repo_with_simple_tag(self):
eq_(ImageTag(repository="ubuntu", tag="12.04"), ImageTag.parse("ubuntu:12.04"))
def test_official_repo_with_latest(self):
eq_(ImageTag(repository="ubuntu", tag="latest"), ImageTag.parse("ubuntu:latest"))
def test_untagged(self):
eq_(None, ImageTag.parse("<none>:<none>"))
def test_remote_registry(self):
eq_(ImageTag(repository="some/repo", tag="latest", registry="remote.registry:5000"), ImageTag.parse("remote.registry:5000/some/repo"))
def test_repo_with_path_and_tag(self):
eq_(ImageTag(repository="some/repo", tag="aTag"), ImageTag.parse("some/repo:aTag"))
def test_repo_with_path(self):
eq_(ImageTag(repository="some/repo", tag="latest"), ImageTag.parse("some/repo"))
