def patch_namespaced_daemonset(self, name, image, namespace="default"):
"""Scale deployment using name in namespace to replicas"""
# Configureate Pod template container
container = client.V1Container(name=name)
# Create and configurate a spec section
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": name}),
spec=client.V1PodSpec(containers=[container]))
# Create the specification of DaemonSet
spec = client.V1DaemonSetSpec(template=template,
selector={'matchLabels': {
'app': name
}})
# Instantiate the DaemonSet object
daemonset = client.V1DaemonSet(api_version="apps/v1",
kind="DaemonSet",
metadata=client.V1ObjectMeta(name=name),
spec=spec)
daemonset.spec.template.spec.containers[0].image = image
try:
self.apps_cli.patch_namespaced_daemon_set(name, namespace,
daemonset)
logger.info(
'Image of daemonset {} in namespace {} has been updated to {}'.
format(name, namespace, image))
return
except client.rest.ApiException as e:
if e.status == 404 or not e.status:
logger.info('Daemonset {} in namespace {} is not found'.format(
name, namespace))
return
logger.exception(e)
return False
def simple_daemonset():
"""Return the Kubernetes config matching the simple-daemonset.yaml manifest."""
return client.V1DaemonSet(
api_version='apps/v1',
kind='DaemonSet',
metadata=client.V1ObjectMeta(name='canal-daemonset',
labels={'app': 'canal'}),
spec=client.V1DaemonSetSpec(
selector=client.V1LabelSelector(match_labels={'app': 'canal'}),
template=client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={'app': 'canal'}),
spec=client.V1PodSpec(containers=[
client.V1Container(
name='canal',
image='canal:3.7.2',
ports=[client.V1ContainerPort(container_port=9099)])
]))))
def simple_daemonset():
"""Return the Kubernetes config matching the simple-daemonset.yaml manifest."""
return client.V1DaemonSet(
api_version="apps/v1",
kind="DaemonSet",
metadata=client.V1ObjectMeta(name="canal-daemonset",
labels={"app": "canal"}),
spec=client.V1DaemonSetSpec(
selector=client.V1LabelSelector(match_labels={"app": "canal"}),
template=client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "canal"}),
spec=client.V1PodSpec(containers=[
client.V1Container(
name="canal",
image="canal:3.7.2",
ports=[client.V1ContainerPort(container_port=9099)],
)
]),
),
),
)
def create_daemon_set_object():
container = client.V1Container(
name="ds-redis",
image="redis",
image_pull_policy="IfNotPresent",
ports=[client.V1ContainerPort(container_port=6379)],
)
# Template
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "redis"}),
spec=client.V1PodSpec(containers=[container]))
# Spec
spec = client.V1DaemonSetSpec(
selector=client.V1LabelSelector(match_labels={"app": "redis"}),
template=template)
# DaemonSet
daemonset = client.V1DaemonSet(
api_version="apps/v1",
kind="DaemonSet",
metadata=client.V1ObjectMeta(name="daemonset-redis"),
spec=spec)
return daemonset
def create_daemon_set_object(self):
container = client.V1Container(
name=self.container_name,
args=self.args,
image=self.image,
image_pull_policy='IfNotPresent',
ports=[client.V1ContainerPort(container_port=8080)],
resources={"limits": {
"cpu": "1",
"memory": "512Mi"
}},
termination_message_policy='File',
termination_message_path='/dev/termination-log',
security_context={
"allowPrivilegeEscalation": False,
"capabilities": {},
"privileged": False,
"readOnlyRootFilesystem": False,
"runAsNonRoot": False
})
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(annotations=self.annotations),
spec=client.V1PodSpec(containers=[container]))
# min_ready_seconds=None, revision_history_limit=None, selector=None, template=None, template_generation=None, update_strategy=None
spec = client.V1DaemonSetSpec(revision_history_limit=3,
template=template)
daemon_set = client.V1DaemonSet(api_version='apps/v1',
kind='DaemonSet',
metadata=client.V1ObjectMeta(
labels={},
name=self.daemon_set_name,
namespace=self.namespace),
spec=spec)
return daemon_set
def _daemon_set(self):
return client.V1DaemonSet(
api_version='apps/v1',
kind='DaemonSet',
metadata=metadata(
name=self.name,
namespace=self.namespace,
),
spec=client.V1DaemonSetSpec(
selector=client.V1LabelSelector(
match_labels=self.labels
),
template=client.V1PodTemplateSpec(
metadata=metadata(name=self.name),
spec=client.V1PodSpec(
service_account_name=self.name,
termination_grace_period_seconds=60,
containers=[
client.V1Container(
name=self.name,
image=self.image,
resources=client.V1ResourceRequirements(
limits=dict({
'cpu': '200m',
'memory': '200Mi',
}),
requests=dict({
'cpu': '200m',
'memory': '200Mi',
})
),
env=[
client.V1EnvVar(
name='HOST_IP',
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path='status.hostIP',
)
),
),
client.V1EnvVar(
name='HOST_NAME',
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path='spec.nodeName',
)
),
),
client.V1EnvVar(
name='K8S_NAMESPACE',
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path='metadata.namespace',
)
),
),
client.V1EnvVar(
name='CI_VERSION',
value='k8s/1.1.1',
),
],
volume_mounts=[
client.V1VolumeMount(
name='cwagentconfig',
mount_path='/etc/cwagentconfig',
),
client.V1VolumeMount(
name='rootfs',
mount_path='/rootfs',
read_only='true',
),
client.V1VolumeMount(
name='dockersock',
mount_path='/var/run/docker.sock',
read_only='true',
),
client.V1VolumeMount(
name='varlibdocker',
mount_path='/var/lib/docker',
read_only='true',
),
client.V1VolumeMount(
name='sys',
mount_path='/sys',
read_only='true',
),
client.V1VolumeMount(
name='devdisk',
mount_path='/dev/disk',
read_only='true',
),
]
)
],
volumes=[
client.V1Volume(
name='cwagentconfig',
config_map='cwagentconfig',
),
client.V1Volume(
name='rootfs',
host_path='/',
),
client.V1Volume(
name='dockersock',
host_path='/var/run/docker.sock',
),
client.V1Volume(
name='varlibdocker',
host_path='/var/lib/docker',
),
client.V1Volume(
name='sys',
host_path='/sys',
),
client.V1Volume(
name='devdisk',
host_path='/dev/disk/',
),
]
)
)
)
)
