def __init__(
self,
long_id,
inspect=None,
host_namespace='',
process_namespace=None,
):
# Some quick sanity checks
if not isinstance(long_id, basestring):
raise TypeError('long_id should be a string')
if inspect and not isinstance(inspect, dict):
raise TypeError('inspect should be a dict.')
if not inspect:
try:
inspect = exec_dockerinspect(long_id)
except HTTPError:
raise ContainerNonExistent('No docker container with ID: %s'
% long_id)
state = inspect['State']
self.image = inspect['Image']
assert(long_id == inspect['Id'])
self.long_id = long_id
self.host_namespace = host_namespace
self.pid = str(state['Pid'])
self.name = inspect['Name']
self.running = state['Running']
self.created = inspect['Created']
self.network_settings = inspect['NetworkSettings']
self.cmd = inspect['Config']['Cmd']
self.mounts = inspect.get('Mounts')
self.volumes = inspect.get('Volumes')
self.image_name = inspect['Config']['Image']
self.inspect = inspect
self.process_namespace = (process_namespace or
namespace.get_pid_namespace(self.pid))
# This short ID is mainly used for logging purposes
self.short_id = long_id[:12]
# Docker prepends a '/' to the name. Let's remove it.
if self.name[0] == '/':
self.name = self.name[1:]
self._set_image_fields(inspect.get('RepoTag', ''))
self._set_mounts_list()
try:
self.root_fs = get_docker_container_rootfs_path(self.long_id)
except (HTTPError, RuntimeError, DockerutilsException) as e:
logger.exception(e)
self.root_fs = None
self._set_logs_list_input()
self._set_environment_specific_options()
self._set_logs_list()
def crawl(self, container_id=None, avoid_setns=False,
root_dir='/', **kwargs):
logger.debug('Crawling packages for container %s' % container_id)
inspect = exec_dockerinspect(container_id)
state = inspect['State']
pid = str(state['Pid'])
if avoid_setns:
rootfs_dir = get_docker_container_rootfs_path(
container_id)
return crawl_packages(
root_dir=join_abs_paths(rootfs_dir, root_dir),
reload_needed=True)
else: # in all other cases, including wrong mode set
try:
return run_as_another_namespace(pid,
ALL_NAMESPACES,
crawl_packages,
None,
root_dir, 0, False)
except CrawlError:
# Retry the crawl avoiding the setns() syscall. This is
# needed for PPC where we can not jump into the container and
# run its apt or rpm commands.
rootfs_dir = get_docker_container_rootfs_path(
container_id)
return crawl_packages(
root_dir=join_abs_paths(rootfs_dir, root_dir),
reload_needed=True)
def get_container_namespace(self, long_id, options):
assert isinstance(long_id, str) or unicode, "long_id is not a string"
crawler_k8s_ns = ""
container_meta = exec_dockerinspect(long_id)
try:
labels = container_meta.get(META_CONFIG).get(META_LABELS)
if labels:
podname = labels.get(K8S_POD_LABEL)
if not podname:
logger.warning("%s is not icp managed container" % long_id)
return crawler_k8s_ns
# (1). for reg crawler
if regpod_pattern.search(podname):
crawler_k8s_ns = options.get("host_namespace")
# (2). for live crawler
else:
crawler_k8s_ns = CRAWLER_NAMESPACE_FORMAT.format(
K8S_NS=labels.get(K8S_NS_LABEL, ""),
K8S_POD=labels.get(K8S_POD_LABEL, ""),
K8S_CONT_NAME=labels.get(K8S_CONTAINER_NAME_LABEL, ""),
K8S_CONT_ID=long_id)
except KeyError:
logger.error('Error retrieving container labels for: %s' % long_id)
pass
return crawler_k8s_ns
def __init__(
self,
long_id,
inspect=None,
host_namespace='',
process_namespace=None,
):
# Some quick sanity checks
if not isinstance(long_id, basestring):
raise TypeError('long_id should be a string')
if inspect and not isinstance(inspect, dict):
raise TypeError('inspect should be a dict.')
if not inspect:
try:
inspect = exec_dockerinspect(long_id)
except HTTPError:
raise ContainerNonExistent('No docker container with ID: %s' %
long_id)
state = inspect['State']
self.image = inspect['Image']
assert (long_id == inspect['Id'])
self.long_id = long_id
self.host_namespace = host_namespace
self.pid = str(state['Pid'])
self.name = inspect['Name']
self.running = state['Running']
self.created = inspect['Created']
self.network_settings = inspect['NetworkSettings']
self.cmd = inspect['Config']['Cmd']
self.mounts = inspect.get('Mounts')
self.volumes = inspect.get('Volumes')
self.image_name = inspect['Config']['Image']
self.inspect = inspect
self.process_namespace = (process_namespace
or namespace.get_pid_namespace(self.pid))
# This short ID is mainly used for logging purposes
self.short_id = long_id[:12]
# Docker prepends a '/' to the name. Let's remove it.
if self.name[0] == '/':
self.name = self.name[1:]
self._set_image_fields(inspect.get('RepoTag', ''))
self._set_mounts_list()
try:
self.root_fs = get_docker_container_rootfs_path(self.long_id)
except (HTTPError, RuntimeError, DockerutilsException) as e:
logger.exception(e)
self.root_fs = None
self._set_logs_list_input()
self._set_environment_specific_options()
self._set_logs_list()
def get_container_namespace(self, long_id, options):
assert isinstance(long_id, str) or unicode, "long_id is not a string"
crawler_k8s_ns = ""
container_meta = exec_dockerinspect(long_id)
try:
labels = container_meta.get(META_CONFIG).get(META_LABELS)
if labels:
podname = labels.get(K8S_POD_LABEL)
if not podname:
logger.warning("%s is not icp managed container" % long_id)
return crawler_k8s_ns
# (1). for reg crawler
if regpod_pattern.search(podname):
crawler_k8s_ns = options.get("host_namespace")
# (2). for live crawler
else:
crawler_k8s_ns = CRAWLER_NAMESPACE_FORMAT.format(
K8S_NS=labels.get(K8S_NS_LABEL, ""),
K8S_POD=labels.get(K8S_POD_LABEL, ""),
K8S_CONT_NAME=labels.get(K8S_CONTAINER_NAME_LABEL, ""),
K8S_CONT_ID=long_id
)
except KeyError:
logger.error('Error retrieving container labels for: %s' %
long_id)
pass
return crawler_k8s_ns
def crawl(self,
container_id=None,
avoid_setns=False,
root_dir='/',
**kwargs):
logger.debug('Crawling packages for container %s' % container_id)
inspect = exec_dockerinspect(container_id)
state = inspect['State']
pid = str(state['Pid'])
if avoid_setns:
rootfs_dir = get_docker_container_rootfs_path(container_id)
return crawl_packages(root_dir=join_abs_paths(
rootfs_dir, root_dir),
reload_needed=True)
else: # in all other cases, including wrong mode set
try:
return run_as_another_namespace(pid, ALL_NAMESPACES,
crawl_packages, None, root_dir,
0, False)
except CrawlError:
# Retry the crawl avoiding the setns() syscall. This is
# needed for PPC where we can not jump into the container and
# run its apt or rpm commands.
rootfs_dir = get_docker_container_rootfs_path(container_id)
return crawl_packages(root_dir=join_abs_paths(
rootfs_dir, root_dir),
reload_needed=True)
def get_container_namespace(self, long_id, options):
assert isinstance(long_id, str) or unicode, "long_id is not a string"
k8s_meta = dict()
container_meta = exec_dockerinspect(long_id)
try:
labels = container_meta.get(META_CONFIG).get(META_LABELS)
k8s_meta[META_UUID] = container_meta.get(META_UUID, None)
if labels:
k8s_meta.update(labels)
except KeyError:
logger.error('Error retrieving container labels for: %s' % long_id)
pass
return k8s_meta
def get_container_namespace(self, long_id, options):
assert isinstance(long_id, str) or unicode, "long_id is not a string"
crawler_k8s_ns = ""
container_meta = exec_dockerinspect(long_id)
try:
labels = container_meta.get(META_CONFIG).get(META_LABELS)
if labels:
crawler_k8s_ns = CRAWLER_NAMESPACE_FORMAT.format(
K8S_NS=labels.get(K8S_NS_LABEL, ""),
K8S_POD=labels.get(K8S_POD_LABEL, ""),
K8S_CONT_NAME=labels.get(K8S_CONTAINER_NAME_LABEL, ""),
K8S_CONT_ID=long_id)
except KeyError:
logger.error('Error retrieving container labels for: %s' %
long_id)
pass
return crawler_k8s_ns
def get_container_namespace(self, long_id, options):
assert isinstance(long_id, str) or unicode, "long_id is not a string"
crawler_k8s_ns = ""
container_meta = exec_dockerinspect(long_id)
try:
labels = container_meta.get(META_CONFIG).get(META_LABELS)
if labels:
podname = labels.get(K8S_POD_LABEL)
if not podname:
logger.warning("%s is not k8s managed Container" % long_id)
return crawler_k8s_ns
# for reg crawler
if regpod_pattern.search(podname):
# expected repotag is "repository/k8s-ns/imagename:tag"
repotags = container_meta.get(META_REPOS)
repotag_format = ""
for repotag in repotags:
if len(repotag.split("/")) == 3:
repotag_format = repotag.split("/")
break
# check format
e_msg = "can not find proper repotag in this image"
assert repotag_format != "", e_msg
peaces = repotag.split("/")
ns_image_tag = peaces[1] + "/" + peaces[2]
crawler_k8s_ns = CRAWLER_IMAGE_NAMESPACE_FORMAT.format(
IMAGE_NAME=ns_image_tag
)
# for live crawler
else:
crawler_k8s_ns = CRAWLER_CONT_NAMESPACE_FORMAT.format(
K8S_NS=labels.get(K8S_NS_LABEL, ""),
K8S_POD=labels.get(K8S_POD_LABEL, ""),
K8S_CONT_ID=long_id
)
except KeyError:
logger.error('Error retrieving container labels for: %s' %
long_id)
pass
return crawler_k8s_ns
def test_dockerinspect(self):
inspect = exec_dockerinspect(self.container['Id'])
print inspect
assert self.container['Id'] == inspect['Id']
def crawl(self, container_id, avoid_setns=False, **kwargs):
inspect = exec_dockerinspect(container_id)
yield (container_id, inspect, 'dockerinspect')
def crawl(self, container_id, avoid_setns=False, **kwargs):
inspect = exec_dockerinspect(container_id)
yield (container_id, inspect, 'dockerinspect')
def test_dockerinspect(self):
inspect = exec_dockerinspect(self.container['Id'])
print inspect
assert self.container['Id'] == inspect['Id']
