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add 'list_ingressroute_for_all_namespaces' method #1454

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k8s-ci-robot merged 1 commit into from
May 6, 2021
Merged

add 'list_ingressroute_for_all_namespaces' method #1454

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97 changes: 61 additions & 36 deletions examples/dynamic-client/namespaced_custom_resource.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,44 @@
"""

from kubernetes import config, dynamic
from kubernetes import client as k8s_client
from kubernetes.dynamic.exceptions import ResourceNotFoundError
from kubernetes.client import api_client
import time

def list_ingressroute_for_all_namespaces(group, version, plural):
custom_object_api = k8s_client.CustomObjectsApi()

list_of_ingress_routes = custom_object_api.list_cluster_custom_object(
group, version, plural
)
print(
"%s\t\t\t%s\t\t\t%s\t\t%s\t\t\t\t%s"
% ("NAME", "NAMESPACE", "FQDN", "TLS", "STRATEGY")
)
for item in list_of_ingress_routes["items"]:
print(
"%s\t%s\t\t%s\t%s\t%s"
% (
item["metadata"]["name"],
item["metadata"]["namespace"],
item["spec"]["virtualhost"]["fqdn"],
item["spec"]["virtualhost"]["tls"],
item["spec"]["strategy"]
)
)

def create_namespace(namespace_api, name):
namespace_manifest = {
"apiVersion": "v1",
"kind": "Namespace",
"metadata": {"name": name, "resourceversion": "v1"},
}
namespace_api.create(body=namespace_manifest)


def delete_namespace(namespace_api, name):
namespace_api.delete(name=name)

def main():
# Creating a dynamic client
Expand All @@ -37,6 +71,8 @@ def main():
api_version="apiextensions.k8s.io/v1", kind="CustomResourceDefinition"
)

namespace_api = client.resources.get(api_version="v1", kind="Namespace")

# Creating a Namespaced CRD named "ingressroutes.apps.example.com"
name = "ingressroutes.apps.example.com"

Expand Down Expand Up @@ -115,12 +151,18 @@ def main():

# Creating a custom resource (CR) `ingress-route-*`, using the above CRD `ingressroutes.apps.example.com`

namespace_first = "test-namespace-first"
namespace_second = "test-namespace-second"

create_namespace(namespace_api, namespace_first)
create_namespace(namespace_api, namespace_second)

ingressroute_manifest_first = {
"apiVersion": "apps.example.com/v1",
"kind": "IngressRoute",
"metadata": {
"name": "ingress-route-first",
"namespace": "default",
"namespace": namespace_first,
},
"spec": {
"virtualhost": {
Expand All @@ -136,7 +178,7 @@ def main():
"kind": "IngressRoute",
"metadata": {
"name": "ingress-route-second",
"namespace": "default",
"namespace": namespace_second,
},
"spec": {
"virtualhost": {
Expand All @@ -147,28 +189,15 @@ def main():
},
}

ingressroute_api.create(body=ingressroute_manifest_first, namespace="default")
ingressroute_api.create(body=ingressroute_manifest_second, namespace="default")
ingressroute_api.create(body=ingressroute_manifest_first, namespace=namespace_first)
ingressroute_api.create(body=ingressroute_manifest_second, namespace=namespace_second)
print("\n[INFO] custom resources `ingress-route-*` created\n")

# Listing the `ingress-route-*` custom resources

ingress_routes_list = ingressroute_api.get()
print(
"%s\t\t\t%s\t%s\t\t%s\t\t\t\t%s"
% ("NAME", "NAMESPACE", "FQDN", "TLS", "STRATEGY")
list_ingressroute_for_all_namespaces(
group="apps.example.com", version="v1", plural="ingressroutes"
)
for item in ingress_routes_list.items:
print(
"%s\t%s\t\t%s\t%s\t%s"
% (
item.metadata.name,
item.metadata.namespace,
item.spec.virtualhost.fqdn,
item.spec.virtualhost.tls,
item.spec.strategy,
)
)

# Patching the ingressroutes custom resources

Expand All @@ -185,34 +214,30 @@ def main():
print(
"\n[INFO] custom resources `ingress-route-*` patched to update the strategy\n"
)
ingress_routes_list = ingressroute_api.get()
print(
"%s\t\t\t%s\t%s\t\t%s\t\t\t\t%s"
% ("NAME", "NAMESPACE", "FQDN", "TLS", "STRATEGY")
list_ingressroute_for_all_namespaces(
group="apps.example.com", version="v1", plural="ingressroutes"
)
for item in ingress_routes_list.items:
print(
"%s\t%s\t\t%s\t%s\t%s"
% (
item.metadata.name,
item.metadata.namespace,
item.spec.virtualhost.fqdn,
item.spec.virtualhost.tls,
item.spec.strategy,
)
)

# Deleting the ingressroutes custom resources

delete_ingressroute_first = ingressroute_api.delete(
name="ingress-route-first", namespace="default"
name="ingress-route-first", namespace=namespace_first
)
delete_ingressroute_second = ingressroute_api.delete(
name="ingress-route-second", namespace="default"
name="ingress-route-second", namespace=namespace_second
)

print("\n[INFO] custom resources `ingress-route-*` deleted")

# Deleting the namespaces

delete_namespace(namespace_api, namespace_first)
time.sleep(4)
delete_namespace(namespace_api, namespace_second)
time.sleep(4)

print("\n[INFO] test namespaces deleted")

# Deleting the ingressroutes.apps.example.com custom resource definition

crd_api.delete(name=name)
Expand Down