def _create_deployment(self):
REPLICAS = 1
container_port = k8s.V1ContainerPort(name=self.uid[-14:],
container_port=os.getenv(
"OPENVAS_OMP_PORT", 9390))
resources = k8s.V1ResourceRequirements(
limits={
"cpu": KubernetesDeployer.CONTAINER_USE_CPU_LIMIT,
"memory": KubernetesDeployer.CONTAINER_USE_MEMORY_LIMIT,
})
readiness_probe = k8s.V1Probe(
_exec=k8s.V1ExecAction(
command=KubernetesDeployer.OPENVAS_HEALTHCHECK_COMMAND),
initial_delay_seconds=300,
period_seconds=30,
)
liveness_probe = k8s.V1Probe(
tcp_socket=k8s.V1TCPSocketAction(
port=container_port.container_port),
initial_delay_seconds=180,
period_seconds=30,
failure_threshold=3,
timeout_seconds=5,
)
container = k8s.V1Container(
image=KubernetesDeployer.OPENVAS_CONTAINER_IMAGE,
name=self.uid,
image_pull_policy="IfNotPresent",
ports=[container_port],
resources=resources,
readiness_probe=readiness_probe,
liveness_probe=liveness_probe,
)
toleration = k8s.V1Toleration(effect="NoSchedule",
key="Scanners",
operator="Exists")
pod_spec = k8s.V1PodSpec(containers=[container],
tolerations=[toleration])
pod_metadata = k8s.V1ObjectMeta(
name=self.uid,
labels={"app.kubernetes.io/name": self.uid},
annotations={
"cluster-autoscaler.kubernetes.io/safe-to-evict": "false"
},
)
pod_template = k8s.V1PodTemplateSpec(spec=pod_spec,
metadata=pod_metadata)
selector = k8s.V1LabelSelector(
match_labels={"app.kubernetes.io/name": self.uid})
deployment_spec = k8s.V1DeploymentSpec(replicas=REPLICAS,
selector=selector,
template=pod_template)
deployment_metadata = k8s.V1ObjectMeta(
name=self.uid, labels={"app.kubernetes.io/name": self.uid})
deployment = k8s.V1Deployment(spec=deployment_spec,
metadata=deployment_metadata)
return k8s.AppsV1Api(self.client).create_namespaced_deployment(
self.namespace, deployment)
def create_sts_spec(node_name, workload_type):
sts_name = STS_PREFIX + node_name
cmd = get_workload_command(workload_type, sts_name)
container = client.V1Container(
name=sts_name,
image=IMAGE,
command=["/bin/bash"],
args=["-c", cmd],
liveness_probe=client.V1Probe(
_exec=client.V1ExecAction(command=["ls", "/mnt/" + sts_name]),
initial_delay_seconds=5,
period_seconds=5),
volume_mounts=[
client.V1VolumeMount(name=sts_name, mount_path="/mnt/" + sts_name)
])
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": sts_name}),
spec=client.V1PodSpec(
node_name=node_name,
restart_policy="Always",
termination_grace_period_seconds=10,
containers=[container],
))
spec = client.V1StatefulSetSpec(
replicas=0,
service_name=sts_name,
selector=client.V1LabelSelector(match_labels={"app": sts_name}),
template=template,
volume_claim_templates=[
client.V1PersistentVolumeClaim(
metadata=client.V1ObjectMeta(name=sts_name),
spec=client.V1PersistentVolumeClaimSpec(
access_modes=["ReadWriteOnce"],
storage_class_name="longhorn",
resources=client.V1ResourceRequirements(
requests={"storage": "4Gi"})))
])
statefulset = client.V1StatefulSet(
api_version="apps/v1",
kind="StatefulSet",
metadata=client.V1ObjectMeta(name=sts_name),
spec=spec)
statefulset.spec.replicas
return statefulset
def main():
# Fetching and loading Kubernetes Information
config.load_kube_config()
# For incluster details
# config.incluster_kube_config()
extension = client.ExtensionsV1beta1Api()
# Container
container = client.V1Container(
name="nginx",
image="nginx:1.7.9",
image_pull_policy="IfNotPresent",
ports=[client.V1ContainerPort(container_port=80)],
lifecycle=client.V1Lifecycle(
pre_stop=client.V1Handler(
_exec=client.V1ExecAction(
command=[
# Commands to be executed in the prestop hook
"touch kube-test.txt"
]
)
)
),
)
# Template
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "nginx"}),
spec=client.V1PodSpec(containers=[container]),
)
# Spec
spec = client.ExtensionsV1beta1DeploymentSpec(replicas=1, template=template)
# Deployment
deployment = client.ExtensionsV1beta1Deployment(
api_version="extensions/v1beta1",
kind="Deployment",
metadata=client.V1ObjectMeta(name="nginx-deployment"),
spec=spec,
)
# Creation of the Deployment in specified namespace
extension.create_namespaced_deployment(
namespace="kube-client",
body=deployment)
def load_liveness_readiness_probe(data):
probe = yaml.load(data)
httpGet = None
if "httpGet" in probe:
if "port" in probe['httpGet']:
httpGet = client.V1HTTPGetAction(
port=int(probe['httpGet']['port'])
)
if "path" in probe['httpGet']:
httpGet.path = probe['httpGet']['path']
if "host" in probe['httpGet']:
httpGet.host = probe['httpGet']['host']
execLiveness = None
if "exec" in probe:
if probe['exec']['command']:
execLiveness = client.V1ExecAction(
command=probe['exec']['command']
)
v1Probe = client.V1Probe()
if httpGet:
v1Probe.http_get = httpGet
if execLiveness:
v1Probe._exec = execLiveness
if "initialDelaySeconds" in probe:
v1Probe.initial_delay_seconds = probe["initialDelaySeconds"]
if "periodSeconds" in probe:
v1Probe.period_seconds = probe["periodSeconds"]
if "timeoutSeconds" in probe:
v1Probe.timeout_seconds = probe["timeoutSeconds"]
return v1Probe
def _create_probe(hc, port):
''' Create a Kubernetes probe based on info in the health check dictionary hc '''
probe_type = hc['type']
probe = None
period = _parse_interval(hc.get('interval', PROBE_DEFAULT_PERIOD))
timeout = _parse_interval(hc.get('timeout', PROBE_DEFAULT_TIMEOUT))
if probe_type in ['http', 'https']:
probe = client.V1Probe(failure_threshold=1,
initial_delay_seconds=5,
period_seconds=period,
timeout_seconds=timeout,
http_get=client.V1HTTPGetAction(
path=hc['endpoint'],
port=port,
scheme=probe_type.upper()))
elif probe_type in ['script', 'docker']:
probe = client.V1Probe(
failure_threshold=1,
initial_delay_seconds=5,
period_seconds=period,
timeout_seconds=timeout,
_exec=client.V1ExecAction(command=hc['script'].split()))
return probe
def template(context):
"""
handle yml env
"""
name = context.get("name")
version = context.get("version")
labels = {
"app": name,
"version": "v1"
} if not version else {
"app": name.strip("-v2"),
"version": version
}
image_tag = context["name"].split('-')[1]
image = context["image_namespace"] + image_tag + ":" + context[
"image_branch"]
args = [arg for arg in context["args"]] if context.get("args") else None
limits, requests = context["resources"]["limits"], context["resources"][
"requests"]
replicas = context.get("replicas", 1)
workingDir = context["workingDir"]
if name == "backend-logproxy":
annotations = {"sidecar.istio.io/inject": "false"}
else:
annotations = {"traffic.sidecar.istio.io/excludeOutboundPorts": "6379"}
"""
handle cmdb env
"""
filename = "env_" + name.split("-")[1] + ".yml"
env = handle_env("/tmp/{}".format(filename))
"""
k8s yaml 组件模块
"""
#从svn分支configmap目录中获取相关的目录结构
parentDir, subdir = handle_configmap("configmap")
volumemounts = [
client.V1VolumeMount(mount_path="/{}".format(parentDir),
name="mainfiles")
]
volumes = [
client.V1Volume(
name="mainfiles",
config_map=client.V1ConfigMapVolumeSource(name="mainfiles"))
]
for dir in subdir:
volumemounts.append(
client.V1VolumeMount(mount_path="/{}/{}".format(parentDir, dir),
name=dir))
volumes.append(
client.V1Volume(
name=dir, config_map=client.V1ConfigMapVolumeSource(name=dir)))
if name.startswith("frontend-dispatch"):
containers = [
client.V1Container(
name=name,
image=image,
env=env,
args=args,
volume_mounts=volumemounts,
image_pull_policy="Always",
lifecycle=client.V1Lifecycle(pre_stop=client.V1Handler(
_exec=client.V1ExecAction(
command=["nginx", "-s", "quit"]))),
readiness_probe=client.V1Probe(_exec=client.V1ExecAction(
command=['cat', '/tmp/container_ready']),
initial_delay_seconds=10,
period_seconds=5),
resources=client.V1ResourceRequirements(limits=limits,
requests=requests),
security_context=client.V1SecurityContext(privileged=True),
working_dir=workingDir,
)
]
else:
containers = [
client.V1Container(
name=name,
image=image,
env=env,
args=args,
volume_mounts=volumemounts,
image_pull_policy="Always",
readiness_probe=client.V1Probe(_exec=client.V1ExecAction(
command=['cat', '/tmp/container_ready']),
initial_delay_seconds=10,
period_seconds=5),
resources=client.V1ResourceRequirements(limits=limits,
requests=requests),
security_context=client.V1SecurityContext(privileged=True),
working_dir=workingDir,
)
]
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels=labels, annotations=annotations),
spec=client.V1PodSpec(
containers=containers,
dns_policy="ClusterFirst",
image_pull_secrets=[
client.V1LocalObjectReference(name="image-pull-secret")
],
restart_policy="Always",
volumes=volumes))
spec = client.V1DeploymentSpec(
replicas=replicas,
selector=client.V1LabelSelector(match_labels=labels),
template=template,
strategy=client.ExtensionsV1beta1DeploymentStrategy(
rolling_update=client.ExtensionsV1beta1RollingUpdateDeployment(
max_surge=1, max_unavailable='25%'),
type="RollingUpdate",
),
)
return client.V1Deployment(api_version="apps/v1",
kind="Deployment",
metadata=client.V1ObjectMeta(name=name,
labels=labels),
spec=spec)
def _build_definition(machine, config_map):
volume_mounts = []
if config_map:
# Define volume mounts for hostlab if a ConfigMap is defined.
volume_mounts.append(
client.V1VolumeMount(name="hostlab",
mount_path="/tmp/kathara"))
if Setting.get_instance().host_shared:
volume_mounts.append(
client.V1VolumeMount(name="shared", mount_path="/shared"))
# Machine must be executed in privileged mode to run sysctls.
security_context = client.V1SecurityContext(privileged=True)
ports_info = machine.get_ports()
container_ports = None
if ports_info:
container_ports = []
for (host_port, protocol), guest_port in ports_info.items():
container_ports.append(
client.V1ContainerPort(name=str(uuid.uuid4()).replace(
'-', '')[0:15],
container_port=guest_port,
host_port=host_port,
protocol=protocol.upper()))
resources = None
memory = machine.get_mem()
cpus = machine.get_cpu(multiplier=1000)
if memory or cpus:
limits = dict()
if memory:
limits["memory"] = memory.upper()
if cpus:
limits["cpu"] = "%dm" % cpus
resources = client.V1ResourceRequirements(limits=limits)
# postStart lifecycle hook is launched asynchronously by k8s master when the main container is Ready
# On Ready state, the pod has volumes and network interfaces up, so this hook is used
# to execute custom commands coming from .startup file and "exec" option
# Build the final startup commands string
sysctl_commands = "; ".join([
"sysctl -w -q %s=%d" % item
for item in machine.meta["sysctls"].items()
])
startup_commands_string = "; ".join(STARTUP_COMMANDS) \
.format(machine_name=machine.name,
sysctl_commands=sysctl_commands,
machine_commands="; ".join(machine.startup_commands)
)
post_start = client.V1Handler(_exec=client.V1ExecAction(command=[
Setting.get_instance().device_shell, "-c", startup_commands_string
]))
lifecycle = client.V1Lifecycle(post_start=post_start)
env = [
client.V1EnvVar(
"_MEGALOS_SHELL", machine.meta["shell"] if "shell"
in machine.meta else Setting.get_instance().device_shell)
]
container_definition = client.V1Container(
name=machine.meta['real_name'],
image=machine.get_image(),
lifecycle=lifecycle,
stdin=True,
tty=True,
image_pull_policy=Setting.get_instance().image_pull_policy,
ports=container_ports,
resources=resources,
volume_mounts=volume_mounts,
security_context=security_context,
env=env)
pod_annotations = {}
network_interfaces = []
for (idx, machine_link) in machine.interfaces.items():
network_interfaces.append({
"name":
machine_link.api_object["metadata"]["name"],
"namespace":
machine.lab.folder_hash,
"interface":
"net%d" % idx
})
pod_annotations["k8s.v1.cni.cncf.io/networks"] = json.dumps(
network_interfaces)
# Create labels (so Deployment can match them)
pod_labels = {"name": machine.name, "app": "kathara"}
pod_metadata = client.V1ObjectMeta(deletion_grace_period_seconds=0,
annotations=pod_annotations,
labels=pod_labels)
# Add fake DNS just to override k8s one
dns_config = client.V1PodDNSConfig(nameservers=["127.0.0.1"])
volumes = []
if config_map:
# Hostlab is the lab base64 encoded .tar.gz of the machine files, deployed as a ConfigMap in the cluster
# The base64 file is mounted into /tmp and it's extracted by the postStart hook
volumes.append(
client.V1Volume(name="hostlab",
config_map=client.V1ConfigMapVolumeSource(
name=config_map.metadata.name)))
# Container /shared mounts in /home/shared folder
if Setting.get_instance().host_shared:
volumes.append(
client.V1Volume(name="shared",
host_path=client.V1HostPathVolumeSource(
path='/home/shared',
type='DirectoryOrCreate')))
pod_spec = client.V1PodSpec(containers=[container_definition],
hostname=machine.meta['real_name'],
dns_policy="None",
dns_config=dns_config,
volumes=volumes)
pod_template = client.V1PodTemplateSpec(metadata=pod_metadata,
spec=pod_spec)
selector_rules = client.V1LabelSelector(match_labels=pod_labels)
deployment_spec = client.V1DeploymentSpec(replicas=1,
template=pod_template,
selector=selector_rules)
deployment_metadata = client.V1ObjectMeta(
name=machine.meta['real_name'], labels=pod_labels)
return client.V1Deployment(api_version="apps/v1",
kind="Deployment",
metadata=deployment_metadata,
spec=deployment_spec)
def template(context):
pod_spec_volumes = []
pod_spec_volume_mounts = []
stateful_set_spec_volume_claim_templates = []
for pvc in context.get("pvc"):
stateful_set_spec_volume_claim_templates.append(
client.V1PersistentVolumeClaim(
metadata=client.V1ObjectMeta(
name=pvc["name"],
annotations={
"volume.beta.kubernetes.io/storage-class": pvc["class"]
},
),
spec=client.V1PersistentVolumeClaimSpec(
access_modes=["ReadWriteOnce"],
resources=client.V1ResourceRequirements(
requests={"storage": pvc["size"]}
),
),
)
)
pod_spec_volume_mounts.append(
client.V1VolumeMount(name=pvc["name"], mount_path=pvc["mountPath"])
)
if "configmap" in context:
volume_name = "{}-config".format(context["name"])
pod_spec_volumes.append(
client.V1Volume(
name=volume_name,
config_map=client.V1ConfigMapVolumeSource(name=context["name"]),
)
)
pod_spec_volume_mounts.append(
client.V1VolumeMount(name=volume_name, mount_path="/etc/postgresql/")
)
labels = {"app": context["name"]}
pg_isready_exec = client.V1ExecAction(command=["gosu postgres pg_isready"])
return client.V1StatefulSet(
api_version="apps/v1beta1",
kind="StatefulSet",
metadata=client.V1ObjectMeta(name=context["name"]),
spec=client.V1StatefulSetSpec(
service_name=context["name"],
replicas=context["replicas"],
selector=client.V1LabelSelector(match_labels=labels),
template=client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels=labels),
spec=client.V1PodSpec(
containers=[
client.V1Container(
name="postgres",
image=context["image"],
lifecycle=client.V1Lifecycle(
pre_stop=client.V1Handler(
_exec=client.V1ExecAction(
command=[
'gosu postgres pg_ctl -D "$PGDATA" -m fast -w stop'
]
)
)
),
liveness_probe=client.V1Probe(
_exec=pg_isready_exec,
initial_delay_seconds=120,
timeout_seconds=5,
failure_threshold=6,
),
readiness_probe=client.V1Probe(
_exec=pg_isready_exec,
initial_delay_seconds=10,
timeout_seconds=5,
period_seconds=30,
failure_threshold=999,
),
ports=[client.V1ContainerPort(container_port=5432)],
volume_mounts=pod_spec_volume_mounts,
resources=client.V1ResourceRequirements(
**context["resources"]
)
if "resources" in context
else None,
)
],
volumes=pod_spec_volumes,
node_selector=context.get("nodeSelector"),
),
),
volume_claim_templates=stateful_set_spec_volume_claim_templates,
),
)
from kubernetes import client, config
# Fetching and loading Kubernetes Information
config.load_kube_config()
extension = client.ExtensionsV1beta1Api()
# Container
container = client.V1Container(
name="hooktest",
image="nginx:1.7.9",
image_pull_policy="IfNotPresent",
ports=[client.V1ContainerPort(container_port=80)],
lifecycle=client.V1Lifecycle(
post_start=client.V1Handler(
_exec=client.V1ExecAction(command=["touch kube-test.txt"])
)
),
)
# Template
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "hooktest"}),
spec=client.V1PodSpec(containers=[container]),
)
# Spec
spec = client.ExtensionsV1beta1DeploymentSpec(replicas=1, template=template)
def create_deployment_old(config_file):
"""
Create IBM Spectrum Scale CSI Operator deployment object in operator namespace using
deployment_operator_image_for_crd and deployment_driver_image_for_crd parameters from
config.json file
Args:
param1: config_file - configuration json file
Returns:
None
Raises:
Raises an exception on kubernetes client api failure and asserts
"""
deployment_apps_api_instance = client.AppsV1Api()
deployment_labels = {
"app.kubernetes.io/instance": "ibm-spectrum-scale-csi-operator",
"app.kubernetes.io/managed-by": "ibm-spectrum-scale-csi-operator",
"app.kubernetes.io/name": "ibm-spectrum-scale-csi-operator",
"product": "ibm-spectrum-scale-csi",
"release": "ibm-spectrum-scale-csi-operator"
}
deployment_annotations = {
"productID": "ibm-spectrum-scale-csi-operator",
"productName": "IBM Spectrum Scale CSI Operator",
"productVersion": "2.0.0"
}
deployment_metadata = client.V1ObjectMeta(
name="ibm-spectrum-scale-csi-operator",
labels=deployment_labels,
namespace=namespace_value)
deployment_selector = client.V1LabelSelector(
match_labels={
"app.kubernetes.io/name": "ibm-spectrum-scale-csi-operator"
})
podtemplate_metadata = client.V1ObjectMeta(
labels=deployment_labels, annotations=deployment_annotations)
pod_affinity = client.V1Affinity(node_affinity=client.V1NodeAffinity(
required_during_scheduling_ignored_during_execution=client.
V1NodeSelector(node_selector_terms=[
client.V1NodeSelectorTerm(match_expressions=[
client.V1NodeSelectorRequirement(key="beta.kubernetes.io/arch",
operator="Exists")
])
])))
ansible_pod_container = client.V1Container(
image=config_file["deployment_operator_image_for_crd"],
command=[
"/usr/local/bin/ao-logs", "/tmp/ansible-operator/runner", "stdout"
],
liveness_probe=client.V1Probe(
_exec=client.V1ExecAction(command=["/health_check.sh"]),
initial_delay_seconds=10,
period_seconds=30),
readiness_probe=client.V1Probe(
_exec=client.V1ExecAction(command=["/health_check.sh"]),
initial_delay_seconds=3,
period_seconds=1),
name="ansible",
image_pull_policy="IfNotPresent",
security_context=client.V1SecurityContext(
capabilities=client.V1Capabilities(drop=["ALL"])),
volume_mounts=[
client.V1VolumeMount(mount_path="/tmp/ansible-operator/runner",
name="runner",
read_only=True)
],
env=[
client.V1EnvVar(
name="CSI_DRIVER_IMAGE",
value=config_file["deployment_driver_image_for_crd"])
])
operator_pod_container = client.V1Container(
image=config_file["deployment_operator_image_for_crd"],
name="operator",
image_pull_policy="IfNotPresent",
liveness_probe=client.V1Probe(
_exec=client.V1ExecAction(command=["/health_check.sh"]),
initial_delay_seconds=10,
period_seconds=30),
readiness_probe=client.V1Probe(
_exec=client.V1ExecAction(command=["/health_check.sh"]),
initial_delay_seconds=3,
period_seconds=1),
security_context=client.V1SecurityContext(
capabilities=client.V1Capabilities(drop=["ALL"])),
env=[
client.V1EnvVar(name="WATCH_NAMESPACE",
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path="metadata.namespace"))),
client.V1EnvVar(name="POD_NAME",
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path="metadata.name"))),
client.V1EnvVar(name="OPERATOR_NAME",
value="ibm-spectrum-scale-csi-operator"),
client.V1EnvVar(
name="CSI_DRIVER_IMAGE",
value=config_file["deployment_driver_image_for_crd"])
],
volume_mounts=[
client.V1VolumeMount(mount_path="/tmp/ansible-operator/runner",
name="runner")
])
pod_spec = client.V1PodSpec(
affinity=pod_affinity,
containers=[ansible_pod_container, operator_pod_container],
service_account_name="ibm-spectrum-scale-csi-operator",
volumes=[
client.V1Volume(
empty_dir=client.V1EmptyDirVolumeSource(medium="Memory"),
name="runner")
])
podtemplate_spec = client.V1PodTemplateSpec(metadata=podtemplate_metadata,
spec=pod_spec)
deployment_spec = client.V1DeploymentSpec(replicas=1,
selector=deployment_selector,
template=podtemplate_spec)
body_dep = client.V1Deployment(kind='Deployment',
api_version='apps/v1',
metadata=deployment_metadata,
spec=deployment_spec)
try:
LOGGER.info("creating deployment for operator")
deployment_apps_api_response = deployment_apps_api_instance.create_namespaced_deployment(
namespace=namespace_value, body=body_dep)
LOGGER.debug(str(deployment_apps_api_response))
except ApiException as e:
LOGGER.error(
f"Exception when calling RbacAuthorizationV1Api->create_namespaced_deployment: {e}"
)
assert False
def specifications(self):
"""
Set the deployment specifications.
:returns: The deployment specifications.
:rtype: client.ExtensionsV1beta1Deployment
"""
#1. Set the ports
ports = [client.V1ContainerPort(container_port=port['number'], protocol=port['protocol']) for port in self.definition['ports']]
#2. Set the resources
#resources = {'cpu':self.definition['cpu'], 'memory': self.definition['memory']}
resources = {'cpu':'100m', 'memory': '100Mi'}
resources = client.V1ResourceRequirements(limits=resources, requests=resources)
#3. Set healthchecks
readiness = None
liveness = None
for health in self.definition['healthchecks']:
_exec, tcp_socket, http_get = None, None, None
if health['command'] == 'COMMAND':
_exec = client.V1ExecAction(command=health['value'])
elif health['command'] == 'TCP':
tcp_socket = client.V1TCPSocketAction(port=health['port'])
else:
http_get = client.V1HTTPGetAction(path=health['path'], port=health['port'], scheme=health['command'])
probe = client.V1Probe(failure_threshold=self.definition['failure_threshold'],
initial_delay_seconds=self.definition['initial_delay_seconds'],
period_seconds=self.definition['interval_seconds'],
success_threshold=self.definition['success_threshold'],
timeout_seconds=self.definition['timeout_seconds'],
_exec=_exec,
tcp_socket=tcp_socket,
http_get=http_get
)
if health['type'] == 'readiness':
readiness = probe
else:
liveness = probe
#4. Security context
security = client.V1SecurityContext(allow_privilege_escalation=False, run_as_non_root=True)
#5. Set the container
container = client.V1Container(
name=self.definition['repo'],
image=self.definition['tag'],
ports=ports,
resources=resources,
readiness_probe=readiness,
liveness_probe=liveness,
security_context=security,
env=None)#No need to setup envs : already done in the dockerfile
#6. The pod template
template = client.V1PodTemplateSpec(
client.V1ObjectMeta(labels={"name": self.definition['repo'], "repo": self.definition['repo'], "owner": self.definition['owner'], "branch": self.definition['branch'], "fullname": self.definition['name']}),
spec=client.V1PodSpec(containers=[container]))
#7. The rolling update strategy
strategy = client.ExtensionsV1beta1DeploymentStrategy(
type='RollingUpdate',
rolling_update=client.ExtensionsV1beta1RollingUpdateDeployment(
max_surge=1,
max_unavailable=1
)
)
#8. The deployment spec
spec = client.ExtensionsV1beta1DeploymentSpec(
#replicas=self.definition['instances'],
replicas=1,
strategy=strategy,
template=template)
#9. The deployment object
deployment = client.ExtensionsV1beta1Deployment(
api_version="extensions/v1beta1",
kind="Deployment",
metadata=client.V1ObjectMeta(name=self.definition['repo'], labels={"uid": self.definition['uid'], "repo": self.definition['repo'], "owner": self.definition['owner'], "branch": self.definition['branch'], "fullname": self.definition['name'], "name": self.definition['repo']}),
spec=spec)
return deployment
def kubernetes_device_definition():
security_context = client.V1SecurityContext(privileged=True)
resources = client.V1ResourceRequirements(limits={
"memory": "64M",
"cpu": "2000m"
})
sysctl_commands = "sysctl -w -q net.ipv4.conf.all.rp_filter=0; sysctl -w -q net.ipv4.conf.default.rp_filter=0; " \
"sysctl -w -q net.ipv4.conf.lo.rp_filter=0; sysctl -w -q net.ipv4.ip_forward=1; " \
"sysctl -w -q net.ipv4.icmp_ratelimit=0"
startup_commands_string = "; ".join(STARTUP_COMMANDS) \
.format(machine_name="test_device", sysctl_commands=sysctl_commands, machine_commands="ls")
post_start = client.V1Handler(_exec=client.V1ExecAction(
command=["/bin/bash", "-c", startup_commands_string]))
container_definition = client.V1Container(
name="devprefix-test-device-ec84ad3b",
image="kathara/test",
lifecycle=client.V1Lifecycle(post_start=post_start),
stdin=True,
tty=True,
image_pull_policy="Always",
ports=None,
resources=resources,
volume_mounts=[],
security_context=security_context,
env=[client.V1EnvVar("_MEGALOS_SHELL", "/bin/bash")])
pod_metadata = client.V1ObjectMeta(
deletion_grace_period_seconds=0,
annotations={"k8s.v1.cni.cncf.io/networks": "[]"},
labels={
"name": "test_device",
"app": "kathara"
})
pod_spec = client.V1PodSpec(
containers=[container_definition],
hostname="devprefix-test-device-ec84ad3b",
dns_policy="None",
dns_config=client.V1PodDNSConfig(nameservers=["127.0.0.1"]),
volumes=[])
pod_template = client.V1PodTemplateSpec(metadata=pod_metadata,
spec=pod_spec)
label_selector = client.V1LabelSelector(match_labels={
"name": "test_device",
"app": "kathara"
})
deployment_spec = client.V1DeploymentSpec(replicas=1,
template=pod_template,
selector=label_selector)
return client.V1Deployment(api_version="apps/v1",
kind="Deployment",
metadata=client.V1ObjectMeta(
name="devprefix-test-device-ec84ad3b",
labels={
"name": "test_device",
"app": "kathara"
}),
spec=deployment_spec)
def test_create_ipv6(mock_setting_get_instance, kubernetes_machine,
default_device):
setting_mock = Mock()
setting_mock.configure_mock(
**{
'device_prefix': 'devprefix',
'device_shell': '/bin/bash',
'enable_ipv6': True,
'image_pull_policy': 'Always',
'host_shared': False
})
mock_setting_get_instance.return_value = setting_mock
security_context = client.V1SecurityContext(privileged=True)
resources = client.V1ResourceRequirements(limits={
"memory": "64M",
"cpu": "2000m"
})
sysctl_commands = "; ".join([
"sysctl -w -q %s=%d" % item for item in {
'net.ipv4.conf.all.rp_filter': 0,
'net.ipv4.conf.default.rp_filter': 0,
'net.ipv4.conf.lo.rp_filter': 0,
'net.ipv4.ip_forward': 1,
'net.ipv4.icmp_ratelimit': 0,
'net.ipv6.conf.all.forwarding': 1,
'net.ipv6.icmp.ratelimit': 0,
'net.ipv6.conf.default.disable_ipv6': 0,
'net.ipv6.conf.all.disable_ipv6': 0
}.items()
])
startup_commands_string = "; ".join(STARTUP_COMMANDS) \
.format(machine_name="test_device", sysctl_commands=sysctl_commands, machine_commands="ls")
post_start = client.V1Handler(_exec=client.V1ExecAction(
command=["/bin/bash", "-c", startup_commands_string]))
container_definition = client.V1Container(
name="devprefix-test-device-ec84ad3b",
image="kathara/test",
lifecycle=client.V1Lifecycle(post_start=post_start),
stdin=True,
tty=True,
image_pull_policy="Always",
ports=None,
resources=resources,
volume_mounts=[],
security_context=security_context,
env=[client.V1EnvVar("_MEGALOS_SHELL", "/bin/bash")])
pod_metadata = client.V1ObjectMeta(
deletion_grace_period_seconds=0,
annotations={"k8s.v1.cni.cncf.io/networks": "[]"},
labels={
"name": "test_device",
"app": "kathara"
})
pod_spec = client.V1PodSpec(
containers=[container_definition],
hostname="devprefix-test-device-ec84ad3b",
dns_policy="None",
dns_config=client.V1PodDNSConfig(nameservers=["127.0.0.1"]),
volumes=[])
pod_template = client.V1PodTemplateSpec(metadata=pod_metadata,
spec=pod_spec)
label_selector = client.V1LabelSelector(match_labels={
"name": "test_device",
"app": "kathara"
})
deployment_spec = client.V1DeploymentSpec(replicas=1,
template=pod_template,
selector=label_selector)
expected_definition = client.V1Deployment(
api_version="apps/v1",
kind="Deployment",
metadata=client.V1ObjectMeta(name="devprefix-test-device-ec84ad3b",
labels={
"name": "test_device",
"app": "kathara"
}),
spec=deployment_spec)
kubernetes_machine.create(default_device)
kubernetes_machine.client.create_namespaced_deployment.assert_called_once_with(
body=expected_definition, namespace="FwFaxbiuhvSWb2KpN5zw")
def test_build_definition(mock_setting_get_instance, config_map_mock,
default_device, kubernetes_machine):
setting_mock = Mock()
setting_mock.configure_mock(
**{
'device_prefix': 'devprefix',
'device_shell': '/bin/bash',
'enable_ipv6': False,
'image_pull_policy': 'Always',
'host_shared': False
})
mock_setting_get_instance.return_value = setting_mock
config_map_mock.metadata.name = "test_device_config_map"
security_context = client.V1SecurityContext(privileged=True)
resources = client.V1ResourceRequirements(limits={
"memory": "64M",
"cpu": "2000m"
})
startup_commands_string = "; ".join(STARTUP_COMMANDS) \
.format(machine_name="test_device", sysctl_commands="", machine_commands="ls")
post_start = client.V1Handler(_exec=client.V1ExecAction(
command=["/bin/bash", "-c", startup_commands_string]))
container_definition = client.V1Container(
name="devprefix-test-device-ec84ad3b",
image="kathara/test",
lifecycle=client.V1Lifecycle(post_start=post_start),
stdin=True,
tty=True,
image_pull_policy="Always",
ports=None,
resources=resources,
volume_mounts=[
client.V1VolumeMount(name="hostlab", mount_path="/tmp/kathara")
],
security_context=security_context,
env=[client.V1EnvVar("_MEGALOS_SHELL", "/bin/bash")])
pod_metadata = client.V1ObjectMeta(
deletion_grace_period_seconds=0,
annotations={"k8s.v1.cni.cncf.io/networks": "[]"},
labels={
"name": "test_device",
"app": "kathara"
})
pod_spec = client.V1PodSpec(
containers=[container_definition],
hostname="devprefix-test-device-ec84ad3b",
dns_policy="None",
dns_config=client.V1PodDNSConfig(nameservers=["127.0.0.1"]),
volumes=[
client.V1Volume(name="hostlab",
config_map=client.V1ConfigMapVolumeSource(
name="test_device_config_map"))
])
pod_template = client.V1PodTemplateSpec(metadata=pod_metadata,
spec=pod_spec)
label_selector = client.V1LabelSelector(match_labels={
"name": "test_device",
"app": "kathara"
})
deployment_spec = client.V1DeploymentSpec(replicas=1,
template=pod_template,
selector=label_selector)
expected_definition = client.V1Deployment(
api_version="apps/v1",
kind="Deployment",
metadata=client.V1ObjectMeta(name="devprefix-test-device-ec84ad3b",
labels={
"name": "test_device",
"app": "kathara"
}),
spec=deployment_spec)
actual_definition = kubernetes_machine._build_definition(
default_device, config_map_mock)
assert actual_definition == expected_definition
def createStatefulSet(username,
replicas,
image,
is_host_network=False,
ssh_port="22"):
statefulset_name = username + "-horovod"
statefulset = client.V1StatefulSet()
#statefulset.api_version="apps/v1beta2"
statefulset.metadata = client.V1ObjectMeta(name=statefulset_name,
labels={
"app": "horovod",
"user": username,
"role": "worker"
})
label_selector = client.V1LabelSelector(match_labels={
"app": "horovod",
"user": username,
"role": "worker"
})
# Pod template 정의
pod_template = client.V1PodTemplateSpec()
pod_template.metadata = client.V1ObjectMeta(labels={
"app": "horovod",
"user": username,
"role": "worker"
})
container = client.V1Container(name="worker")
container.image = image
container.image_pull_policy = "IfNotPresent"
container.env = [
client.V1EnvVar(name="SSHPORT", value=ssh_port),
client.V1EnvVar(name="USESECRETS", value="true"),
# TODO: 바꾸기
client.V1EnvVar(name="ENTRY_POINT", value="train.py")
]
container.ports = [client.V1ContainerPort(container_port=22)]
container.volume_mounts = [
client.V1VolumeMount(name=statefulset_name + "-cm",
mount_path="/horovod/generated"),
client.V1VolumeMount(name=statefulset_name + "-secret",
mount_path="/etc/secret-volume",
read_only=True),
client.V1VolumeMount(name=statefulset_name + "-data",
mount_path="/horovod/data")
]
container.command = ["/horovod/generated/run.sh"]
container.readiness_probe = client.V1Probe(
_exec=client.V1ExecAction(command=["/horovod/generated/check.sh"]),
initial_delay_seconds=1,
period_seconds=2)
pod_spec = client.V1PodSpec(containers=[container])
# Host Network가 설정되있다면
if is_host_network == True:
pod_spec.host_network = True
pod_spec.dns_policy = "ClusterFirstWithHostNet"
pod_spec.volumes = [
client.V1Volume(name=statefulset_name + "-cm",
config_map=client.V1ConfigMapVolumeSource(
name=statefulset_name,
items=[
client.V1KeyToPath(key="hostfile.config",
path="hostfile",
mode=438),
client.V1KeyToPath(key="ssh.readiness",
path="check.sh",
mode=365),
client.V1KeyToPath(key="worker.run",
path="run.sh",
mode=365)
])),
client.V1Volume(name=statefulset_name + "-secret",
secret=client.V1SecretVolumeSource(
secret_name=statefulset_name,
default_mode=448,
items=[
client.V1KeyToPath(key="host-key",
path="id_rsa"),
client.V1KeyToPath(key="host-key-pub",
path="authorized_keys")
])),
client.V1Volume(name=statefulset_name + "-data",
empty_dir=client.V1EmptyDirVolumeSource())
]
pod_spec.subdomain = statefulset_name
pod_spec.hostname = statefulset_name
pod_spec.init_containers = [
client.V1Container(
name="download-data",
image=image,
image_pull_policy="IfNotPresent",
command=["/bin/bash", "-c"],
args=[
"curl http://ywj-horovod.s3.ap-northeast-2.amazonaws.com/horovod/"
+ username + "/train.py > /horovod/data/train.py"
],
volume_mounts=[
client.V1VolumeMount(name=statefulset_name + "-data",
mount_path="/horovod/data")
])
]
pod_template.spec = pod_spec
statefulset.spec = client.V1StatefulSetSpec(
selector=label_selector,
service_name=statefulset_name +
"-worker", # https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#pod-identity
pod_management_policy="Parallel",
replicas=replicas,
template=pod_template)
return statefulset
def createStatefulSet(cls, cluster_object: V1MongoClusterConfiguration) -> client.V1beta1StatefulSet:
"""
Creates a the stateful set configuration for the given cluster.
:param cluster_object: The cluster object from the YAML file.
:return: The stateful set object.
"""
# Parse cluster data object.
name = cluster_object.metadata.name
namespace = cluster_object.metadata.namespace
replicas = cluster_object.spec.mongodb.replicas
storage_mount_path = cluster_object.spec.mongodb.host_path or cls.DEFAULT_STORAGE_MOUNT_PATH
host_path = cluster_object.spec.mongodb.host_path
cpu_limit = cluster_object.spec.mongodb.cpu_limit or cls.DEFAULT_CPU_LIMIT
memory_limit = cluster_object.spec.mongodb.memory_limit or cls.DEFAULT_MEMORY_LIMIT
run_as_user = cluster_object.spec.mongodb.run_as_user or cls.DEFAULT_RUN_AS_USER
service_account = cluster_object.spec.mongodb.service_account or cls.DEFAULT_SERVICE_ACCOUNT
wired_tiger_cache_size = cluster_object.spec.mongodb.wired_tiger_cache_size or cls.DEFAULT_CACHE_SIZE
secret_name = cls.ADMIN_SECRET_NAME_FORMAT.format(name)
# create container
mongo_container = client.V1Container(
name=name,
env=[client.V1EnvVar(
name="POD_IP",
value_from=client.V1EnvVarSource(
field_ref = client.V1ObjectFieldSelector(
api_version = "v1",
field_path = "status.podIP"
)
)
),
client.V1EnvVar(
name="MONGODB_PASSWORD",
value_from=client.V1EnvVarSource(
secret_key_ref=client.V1SecretKeySelector(
key="database-password",
name=secret_name
)
)
),
client.V1EnvVar(
name="MONGODB_USER",
value_from=client.V1EnvVarSource(
secret_key_ref=client.V1SecretKeySelector(
key="database-user",
name=secret_name
)
)
),
client.V1EnvVar(
name="MONGODB_DATABASE",
value_from=client.V1EnvVarSource(
secret_key_ref=client.V1SecretKeySelector(
key="database-name",
name=secret_name
)
)
),
client.V1EnvVar(
name="MONGODB_ADMIN_PASSWORD",
value_from=client.V1EnvVarSource(
secret_key_ref=client.V1SecretKeySelector(
key="database-admin-password",
name=secret_name
)
)
),
client.V1EnvVar(
name="WIREDTIGER_CACHE_SIZE",
value=wired_tiger_cache_size
),
client.V1EnvVar(
name="MONGODB_REPLICA_NAME",
value=name
),
client.V1EnvVar(
name="MONGODB_SERVICE_NAME",
value="svc-" + name + "-internal"
),
client.V1EnvVar(
name="MONGODB_KEYFILE_VALUE",
value="supersecretkeyfile123"
)],
liveness_probe=client.V1Probe(failure_threshold=3,
initial_delay_seconds=30,
period_seconds=30,
success_threshold=1,
tcp_socket=client.V1TCPSocketAction(port=cls.MONGO_PORT),
timeout_seconds=1
),
command=cls.MONGO_COMMAND.split(),
image=cls.MONGO_IMAGE,
image_pull_policy="Always",
ports=[client.V1ContainerPort(
name="mongodb",
container_port=cls.MONGO_PORT,
protocol="TCP"
)],
readiness_probe=client.V1Probe(_exec=client.V1ExecAction(command=["/bin/sh", "-i", "-c", "mongo 127.0.0.1:27017/$MONGODB_DATABASE -u $MONGODB_USER -p $MONGODB_PASSWORD --eval=\"quit()\""]),
failure_threshold=3,
initial_delay_seconds=10,
period_seconds=10,
success_threshold=1,
timeout_seconds=1
),
security_context=client.V1SecurityContext(
run_as_user=int(run_as_user),
se_linux_options=client.V1SELinuxOptions(
level="s0",
type="spc_t"
)
),
termination_message_path="/dev/termination-log",
volume_mounts=[client.V1VolumeMount(
name="mongo-data",
read_only=False,
mount_path=storage_mount_path
)],
resources=client.V1ResourceRequirements(
limits={"cpu": cpu_limit, "memory": memory_limit},
requests={"cpu": cpu_limit, "memory": memory_limit}
)
)
#create affinity rules
affinity = client.V1Affinity(
pod_anti_affinity=client.V1PodAntiAffinity(
required_during_scheduling_ignored_during_execution=[
client.V1PodAffinityTerm(label_selector=client.V1LabelSelector(
match_expressions=[client.V1LabelSelectorRequirement(
key="app",
operator="In",
values=[name]
)]
),
topology_key="kubernetes.io/hostname")
]
)
)
volumes = [client.V1Volume(
name="mongo-data",
host_path=client.V1HostPathVolumeSource(path=host_path)
)]
# Create stateful set.
return client.V1beta1StatefulSet(
metadata = client.V1ObjectMeta(annotations={"service.alpha.kubernetes.io/tolerate-unready-endpoints": "true"},
name=name,
namespace=namespace,
labels=cls.createDefaultLabels(name)),
spec = client.V1beta1StatefulSetSpec(
replicas = replicas,
service_name = "svc-" + name + "-internal",
template = client.V1PodTemplateSpec(
metadata = client.V1ObjectMeta(labels=cls.createDefaultLabels(name)),
spec = client.V1PodSpec(affinity = affinity,
containers=[mongo_container],
node_selector={"compute":"mongodb"},
service_account=service_account,
#restart_policy="Never",
volumes=volumes
)
),
),
)
def test_sanitize_k8s_container_attribute(self):
# test cases for implicit type sanitization(conversion)
op = dsl.ContainerOp(name='echo', image='image', command=['sh', '-c'],
arguments=['echo test | tee /tmp/message.txt'],
file_outputs={'merged': '/tmp/message.txt'})
op.container \
.add_volume_mount(k8s_client.V1VolumeMount(
mount_path='/secret/gcp-credentials',
name='gcp-credentials')) \
.add_env_variable(k8s_client.V1EnvVar(
name=80,
value=80)) \
.add_env_variable(k8s_client.V1EnvVar(
name=80,
value_from=k8s_client.V1EnvVarSource(
config_map_key_ref=k8s_client.V1ConfigMapKeySelector(key=80, name=8080, optional='False'),
field_ref=k8s_client.V1ObjectFieldSelector(api_version=80, field_path=8080),
resource_field_ref=k8s_client.V1ResourceFieldSelector(container_name=80, divisor=8080, resource=8888),
secret_key_ref=k8s_client.V1SecretKeySelector(key=80, name=8080, optional='False')
)
)) \
.add_env_from(k8s_client.V1EnvFromSource(
config_map_ref=k8s_client.V1ConfigMapEnvSource(name=80, optional='True'),
prefix=999
)) \
.add_env_from(k8s_client.V1EnvFromSource(
secret_ref=k8s_client.V1SecretEnvSource(name=80, optional='True'),
prefix=888
)) \
.add_volume_mount(k8s_client.V1VolumeMount(
mount_path=111,
mount_propagation=222,
name=333,
read_only='False',
sub_path=444,
sub_path_expr=555
)) \
.add_volume_devices(k8s_client.V1VolumeDevice(
device_path=111,
name=222
)) \
.add_port(k8s_client.V1ContainerPort(
container_port='8080',
host_ip=111,
host_port='8888',
name=222,
protocol=333
)) \
.set_security_context(k8s_client.V1SecurityContext(
allow_privilege_escalation='True',
capabilities=k8s_client.V1Capabilities(add=[11, 22], drop=[33, 44]),
privileged='False',
proc_mount=111,
read_only_root_filesystem='False',
run_as_group='222',
run_as_non_root='True',
run_as_user='******',
se_linux_options=k8s_client.V1SELinuxOptions(level=11, role=22, type=33, user=44),
windows_options=k8s_client.V1WindowsSecurityContextOptions(
gmsa_credential_spec=11, gmsa_credential_spec_name=22)
)) \
.set_stdin(stdin='False') \
.set_stdin_once(stdin_once='False') \
.set_termination_message_path(termination_message_path=111) \
.set_tty(tty='False') \
.set_readiness_probe(readiness_probe=k8s_client.V1Probe(
_exec=k8s_client.V1ExecAction(command=[11, 22, 33]),
failure_threshold='111',
http_get=k8s_client.V1HTTPGetAction(
host=11,
http_headers=[k8s_client.V1HTTPHeader(name=22, value=33)],
path=44,
port='55',
scheme=66),
initial_delay_seconds='222',
period_seconds='333',
success_threshold='444',
tcp_socket=k8s_client.V1TCPSocketAction(host=555, port='666'),
timeout_seconds='777'
)) \
.set_liveness_probe(liveness_probe=k8s_client.V1Probe(
_exec=k8s_client.V1ExecAction(command=[11, 22, 33]),
failure_threshold='111',
http_get=k8s_client.V1HTTPGetAction(
host=11,
http_headers=[k8s_client.V1HTTPHeader(name=22, value=33)],
path=44,
port='55',
scheme=66),
initial_delay_seconds='222',
period_seconds='333',
success_threshold='444',
tcp_socket=k8s_client.V1TCPSocketAction(host=555, port='666'),
timeout_seconds='777'
)) \
.set_lifecycle(lifecycle=k8s_client.V1Lifecycle(
post_start=k8s_client.V1Handler(
_exec=k8s_client.V1ExecAction(command=[11, 22, 33]),
http_get=k8s_client.V1HTTPGetAction(
host=11,
http_headers=[k8s_client.V1HTTPHeader(name=22, value=33)],
path=44,
port='55',
scheme=66),
tcp_socket=k8s_client.V1TCPSocketAction(host=555, port='666')
),
pre_stop=k8s_client.V1Handler(
_exec=k8s_client.V1ExecAction(command=[11, 22, 33]),
http_get=k8s_client.V1HTTPGetAction(
host=11,
http_headers=[k8s_client.V1HTTPHeader(name=22, value=33)],
path=44,
port='55',
scheme=66),
tcp_socket=k8s_client.V1TCPSocketAction(host=555, port='666')
)
))
sanitize_k8s_object(op.container)
for e in op.container.env:
self.assertIsInstance(e.name, str)
if e.value:
self.assertIsInstance(e.value, str)
if e.value_from:
if e.value_from.config_map_key_ref:
self.assertIsInstance(e.value_from.config_map_key_ref.key, str)
if e.value_from.config_map_key_ref.name:
self.assertIsInstance(e.value_from.config_map_key_ref.name, str)
if e.value_from.config_map_key_ref.optional:
self.assertIsInstance(e.value_from.config_map_key_ref.optional, bool)
if e.value_from.field_ref:
self.assertIsInstance(e.value_from.field_ref.field_path, str)
if e.value_from.field_ref.api_version:
self.assertIsInstance(e.value_from.field_ref.api_version, str)
if e.value_from.resource_field_ref:
self.assertIsInstance(e.value_from.resource_field_ref.resource, str)
if e.value_from.resource_field_ref.container_name:
self.assertIsInstance(e.value_from.resource_field_ref.container_name, str)
if e.value_from.resource_field_ref.divisor:
self.assertIsInstance(e.value_from.resource_field_ref.divisor, str)
if e.value_from.secret_key_ref:
self.assertIsInstance(e.value_from.secret_key_ref.key, str)
if e.value_from.secret_key_ref.name:
self.assertIsInstance(e.value_from.secret_key_ref.name, str)
if e.value_from.secret_key_ref.optional:
self.assertIsInstance(e.value_from.secret_key_ref.optional, bool)
for e in op.container.env_from:
if e.prefix:
self.assertIsInstance(e.prefix, str)
if e.config_map_ref:
if e.config_map_ref.name:
self.assertIsInstance(e.config_map_ref.name, str)
if e.config_map_ref.optional:
self.assertIsInstance(e.config_map_ref.optional, bool)
if e.secret_ref:
if e.secret_ref.name:
self.assertIsInstance(e.secret_ref.name, str)
if e.secret_ref.optional:
self.assertIsInstance(e.secret_ref.optional, bool)
for e in op.container.volume_mounts:
if e.mount_path:
self.assertIsInstance(e.mount_path, str)
if e.mount_propagation:
self.assertIsInstance(e.mount_propagation, str)
if e.name:
self.assertIsInstance(e.name, str)
if e.read_only:
self.assertIsInstance(e.read_only, bool)
if e.sub_path:
self.assertIsInstance(e.sub_path, str)
if e.sub_path_expr:
self.assertIsInstance(e.sub_path_expr, str)
for e in op.container.volume_devices:
if e.device_path:
self.assertIsInstance(e.device_path, str)
if e.name:
self.assertIsInstance(e.name, str)
for e in op.container.ports:
if e.container_port:
self.assertIsInstance(e.container_port, int)
if e.host_ip:
self.assertIsInstance(e.host_ip, str)
if e.host_port:
self.assertIsInstance(e.host_port, int)
if e.name:
self.assertIsInstance(e.name, str)
if e.protocol:
self.assertIsInstance(e.protocol, str)
if op.container.security_context:
e = op.container.security_context
if e.allow_privilege_escalation:
self.assertIsInstance(e.allow_privilege_escalation, bool)
if e.capabilities:
for a in e.capabilities.add:
self.assertIsInstance(a, str)
for d in e.capabilities.drop:
self.assertIsInstance(d, str)
if e.privileged:
self.assertIsInstance(e.privileged, bool)
if e.proc_mount:
self.assertIsInstance(e.proc_mount, str)
if e.read_only_root_filesystem:
self.assertIsInstance(e.read_only_root_filesystem, bool)
if e.run_as_group:
self.assertIsInstance(e.run_as_group, int)
if e.run_as_non_root:
self.assertIsInstance(e.run_as_non_root, bool)
if e.run_as_user:
self.assertIsInstance(e.run_as_user, int)
if e.se_linux_options:
if e.se_linux_options.level:
self.assertIsInstance(e.se_linux_options.level, str)
if e.se_linux_options.role:
self.assertIsInstance(e.se_linux_options.role, str)
if e.se_linux_options.type:
self.assertIsInstance(e.se_linux_options.type, str)
if e.se_linux_options.user:
self.assertIsInstance(e.se_linux_options.user, str)
if e.windows_options:
if e.windows_options.gmsa_credential_spec:
self.assertIsInstance(e.windows_options.gmsa_credential_spec, str)
if e.windows_options.gmsa_credential_spec_name:
self.assertIsInstance(e.windows_options.gmsa_credential_spec_name, str)
if op.container.stdin:
self.assertIsInstance(op.container.stdin, bool)
if op.container.stdin_once:
self.assertIsInstance(op.container.stdin_once, bool)
if op.container.termination_message_path:
self.assertIsInstance(op.container.termination_message_path, str)
if op.container.tty:
self.assertIsInstance(op.container.tty, bool)
for e in [op.container.readiness_probe, op.container.liveness_probe]:
if e:
if e._exec:
for c in e._exec.command:
self.assertIsInstance(c, str)
if e.failure_threshold:
self.assertIsInstance(e.failure_threshold, int)
if e.http_get:
if e.http_get.host:
self.assertIsInstance(e.http_get.host, str)
if e.http_get.http_headers:
for h in e.http_get.http_headers:
if h.name:
self.assertIsInstance(h.name, str)
if h.value:
self.assertIsInstance(h.value, str)
if e.http_get.path:
self.assertIsInstance(e.http_get.path, str)
if e.http_get.port:
self.assertIsInstance(e.http_get.port, (str, int))
if e.http_get.scheme:
self.assertIsInstance(e.http_get.scheme, str)
if e.initial_delay_seconds:
self.assertIsInstance(e.initial_delay_seconds, int)
if e.period_seconds:
self.assertIsInstance(e.period_seconds, int)
if e.success_threshold:
self.assertIsInstance(e.success_threshold, int)
if e.tcp_socket:
if e.tcp_socket.host:
self.assertIsInstance(e.tcp_socket.host, str)
if e.tcp_socket.port:
self.assertIsInstance(e.tcp_socket.port, (str, int))
if e.timeout_seconds:
self.assertIsInstance(e.timeout_seconds, int)
if op.container.lifecycle:
for e in [op.container.lifecycle.post_start, op.container.lifecycle.pre_stop]:
if e:
if e._exec:
for c in e._exec.command:
self.assertIsInstance(c, str)
if e.http_get:
if e.http_get.host:
self.assertIsInstance(e.http_get.host, str)
if e.http_get.http_headers:
for h in e.http_get.http_headers:
if h.name:
self.assertIsInstance(h.name, str)
if h.value:
self.assertIsInstance(h.value, str)
if e.http_get.path:
self.assertIsInstance(e.http_get.path, str)
if e.http_get.port:
self.assertIsInstance(e.http_get.port, (str, int))
if e.http_get.scheme:
self.assertIsInstance(e.http_get.scheme, str)
if e.tcp_socket:
if e.tcp_socket.host:
self.assertIsInstance(e.tcp_socket.host, str)
if e.tcp_socket.port:
self.assertIsInstance(e.tcp_socket.port, (str, int))
# test cases for checking value after sanitization
check_value_op = dsl.ContainerOp(name='echo', image='image', command=['sh', '-c'],
arguments=['echo test | tee /tmp/message.txt'],
file_outputs={'merged': '/tmp/message.txt'})
check_value_op.container \
.add_env_variable(k8s_client.V1EnvVar(
name=80,
value=8080)) \
.set_security_context(k8s_client.V1SecurityContext(
allow_privilege_escalation='true',
capabilities=k8s_client.V1Capabilities(add=[11, 22], drop=[33, 44]),
privileged='false',
proc_mount=111,
read_only_root_filesystem='False',
run_as_group='222',
run_as_non_root='True',
run_as_user='******',
se_linux_options=k8s_client.V1SELinuxOptions(level=11, role=22, type=33, user=44),
windows_options=k8s_client.V1WindowsSecurityContextOptions(
gmsa_credential_spec=11, gmsa_credential_spec_name=22)
))
sanitize_k8s_object(check_value_op.container)
self.assertEqual(check_value_op.container.env[0].name, '80')
self.assertEqual(check_value_op.container.env[0].value, '8080')
self.assertEqual(check_value_op.container.security_context.allow_privilege_escalation, True)
self.assertEqual(check_value_op.container.security_context.capabilities.add[0], '11')
self.assertEqual(check_value_op.container.security_context.capabilities.add[1], '22')
self.assertEqual(check_value_op.container.security_context.capabilities.drop[0], '33')
self.assertEqual(check_value_op.container.security_context.capabilities.drop[1], '44')
self.assertEqual(check_value_op.container.security_context.privileged, False)
self.assertEqual(check_value_op.container.security_context.proc_mount, '111')
self.assertEqual(check_value_op.container.security_context.read_only_root_filesystem, False)
self.assertEqual(check_value_op.container.security_context.run_as_group, 222)
self.assertEqual(check_value_op.container.security_context.run_as_non_root, True)
self.assertEqual(check_value_op.container.security_context.run_as_user, 333)
self.assertEqual(check_value_op.container.security_context.se_linux_options.level, '11')
self.assertEqual(check_value_op.container.security_context.se_linux_options.role, '22')
self.assertEqual(check_value_op.container.security_context.se_linux_options.type, '33')
self.assertEqual(check_value_op.container.security_context.se_linux_options.user, '44')
self.assertEqual(check_value_op.container.security_context.windows_options.gmsa_credential_spec, '11')
self.assertEqual(check_value_op.container.security_context.windows_options.gmsa_credential_spec_name, '22')
# test cases for exception
with self.assertRaises(ValueError, msg='Invalid boolean string 2. Should be boolean.'):
exception_op = dsl.ContainerOp(name='echo', image='image')
exception_op.container \
.set_security_context(k8s_client.V1SecurityContext(
allow_privilege_escalation=1
))
sanitize_k8s_object(exception_op.container)
with self.assertRaises(ValueError, msg='Invalid boolean string Test. Should be "true" or "false".'):
exception_op = dsl.ContainerOp(name='echo', image='image')
exception_op.container \
.set_security_context(k8s_client.V1SecurityContext(
allow_privilege_escalation='Test'
))
sanitize_k8s_object(exception_op.container)
with self.assertRaises(ValueError, msg='Invalid test. Should be integer.'):
exception_op = dsl.ContainerOp(name='echo', image='image')
exception_op.container \
.set_security_context(k8s_client.V1SecurityContext(
run_as_group='test',
))
sanitize_k8s_object(exception_op.container)
def injectSidecar(deployment,
group,
port,
service,
serviceNamespace,
revision=0):
log.info(
"Injecting sidecar process for deployment : {}-{}, group : {}, port : {}, service : {}"
.format(deployment.metadata.namespace, deployment.metadata.name, group,
port, service))
# Create/Patch config map
proxyConfigFilename = "proxy-" + deployment.metadata.name
proxyPort = getSideCarPort(deployment)
configMapStatus = setProxyConfigMap(
name=deployment.metadata.name,
namespace=deployment.metadata.namespace,
filename=proxyConfigFilename,
port=port,
proxyPort=proxyPort)
if configMapStatus == False:
log.error("Unable to make Proxy Config Map")
release = os.environ.get("RELEASE") if os.environ.get(
"RELEASE") else "latest"
container = client.V1Container(
name="sidecar",
image="medinvention/k8s-sms-sidecar:" + release,
ports=[client.V1ContainerPort(container_port=proxyPort)],
env=[
client.V1EnvVar(name="POD_NAME",
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path="metadata.name"))),
client.V1EnvVar(name="POD_NAMESPACE",
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path="metadata.namespace"))),
client.V1EnvVar(name="POD_IP",
value_from=client.V1EnvVarSource(
field_ref=client.V1ObjectFieldSelector(
field_path="status.podIP"))),
client.V1EnvVar(name="NODE_GROUP", value=group),
client.V1EnvVar(name="NODE_SERVICE",
value=service
if service != False else deployment.metadata.name),
client.V1EnvVar(name="NODE_SERVICE_PORT", value=port)
],
lifecycle=client.V1Lifecycle(
post_start=client.V1Handler(_exec=client.V1ExecAction(
command=["/bin/sh", "/var/register"])),
pre_stop=client.V1Handler(_exec=client.V1ExecAction(
command=["/bin/sh", "/var/unregister"]))),
volume_mounts=[
client.V1VolumeMount(name="sms-volume",
sub_path=proxyConfigFilename,
mount_path="/etc/nginx/conf.d/default.conf"),
client.V1VolumeMount(name="sms-volume",
sub_path="register",
mount_path="/var/register"),
client.V1VolumeMount(name="sms-volume",
sub_path="unregister",
mount_path="/var/unregister")
])
template = client.V1PodTemplateSpec(spec=client.V1PodSpec(
containers=[container],
volumes=[
client.V1Volume(name="sms-volume",
config_map=client.V1ConfigMapVolumeSource(
name="sms-files"))
]))
spec = client.V1DeploymentSpec(template=template,
selector=deployment.spec.selector)
patch = client.V1Deployment(metadata=client.V1ObjectMeta(
annotations={
annotations.METADATA:
metadata(group=group,
port=port,
service=service,
serviceNamespace=serviceNamespace,
revision=int(revision) + 1),
annotations.REVISION:
str(int(revision) + 1)
}),
spec=spec)
try:
response = api_instance.patch_namespaced_deployment(
deployment.metadata.name, deployment.metadata.namespace, patch)
log.info("Patch deployment to add Sidecar for {}".format(
deployment.metadata.name))
return True
except ApiException as e:
log.error("Exception when patching deployment: {}".format(e))
return False
extension = client.ExtensionsV1beta1Api()
# Container
container = client.V1Container(
name="dep1",
image="registry.lti-aiq.in:443/mosaic-ai-logistics/mosaic-ai-templates-ga:Canary-Dep-1",
image_pull_policy="Never",
ports=[client.V1ContainerPort(container_port=80)],
lifecycle=client.V1Lifecycle(
pre_stop=client.V1Handler(
_exec=client.V1ExecAction(
command=[
# Commands to be executed in the prestop hook
"echo \"Hello World\""
]
)#closing for V1ExecAction
)#closing for V1Handler
)#closing for V1Lifecycle
)
# Template
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "dep1"}),
spec=client.V1PodSpec(containers=[container]))
from kubernetes import client, config
# Fetching and loading Kubernetes Information
config.load_kube_config()
extension = client.ExtensionsV1beta1Api()
# Container
container = client.V1Container(
name="hooktest",
image="nginx:1.7.9",
image_pull_policy="IfNotPresent",
ports=[client.V1ContainerPort(container_port=80)],
lifecycle=client.V1Lifecycle(post_start=client.V1Handler(
_exec=client.V1ExecAction(command=['echo \'Hello World\''
]) #closing for V1ExecAction
) #closing for V1Handler
) #closing for V1Lifecycle
)
# Template
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "hook-test"}),
spec=client.V1PodSpec(containers=[container]))
# Spec
spec = client.ExtensionsV1beta1DeploymentSpec(replicas=1, template=template)
# Deployment
deployment = client.ExtensionsV1beta1Deployment(
api_version="extensions/v1beta1",
