def common_patch(self):
ctx_cluster = CtxCluster.create(TEST_CLUSTER_ID, TEST_PROJECT_ID, token='token')
Pod(ctx_cluster).update_or_create(
namespace=TEST_NAMESPACE, name=self.pod_name, body=gen_pod_body(self.pod_name)
)
yield
Pod(ctx_cluster).delete(namespace=TEST_NAMESPACE, name=self.pod_name)
def env_info(self, request, project_id, cluster_id, namespace, pod_name,
container_name):
""" 获取 Pod 环境变量配置信息 """
response_data = []
try:
env_resp = Pod(request.ctx_cluster,
cache_client=False).exec_command(
namespace, pod_name, container_name,
['/bin/sh', '-c', 'env'])
# docker 环境变量格式: key=val
for info in env_resp.splitlines():
if not info:
continue
partition_ret = info.partition('=')
response_data.append({
'name': partition_ret[0],
'value': partition_ret[2]
})
except ApiException as e:
# 在 Pod 中执行命令失败，可能原因有 Pod 未就绪等
logger.warning('尝试在 Pod 中执行命令失败: %s', e)
except Exception as e:
# 若解析失败，仅保留错误信息，不抛出异常
logger.error('解析容器环境变量失败: %s', e)
return Response(response_data)
def secrets(self, request, project_id, cluster_id, namespace, name):
"""获取 Pod Secret 信息"""
# 检查是否有查看命名空间域资源权限
self._validate_perm(request.user.username, project_id, cluster_id,
namespace, DashboardAction.View)
response_data = Pod(request.ctx_cluster).filter_related_resources(
Secret(request.ctx_cluster), namespace, name)
return Response(response_data)
def retrieve(self, request, project_id, cluster_id, namespace, pod_name,
container_name):
""" 获取 Pod 下单个容器详细信息 """
pod_manifest = Pod(request.ctx_cluster).fetch_manifest(
namespace, pod_name)
response_data = ContainerRespBuilder(pod_manifest,
container_name).build()
return Response(response_data)
def list(self, request, project_id, cluster_id, namespace=None):
""" 获取 Pod 列表，支持 labelSelector """
params = self.params_validate(ListPodsSLZ)
client = Pod(request.ctx_cluster)
response_data = ListApiRespBuilder(client,
namespace=namespace,
**params).build()
return Response(response_data)
def persistent_volume_claims(self, request, project_id, cluster_id,
namespace, name):
"""获取 Pod Persistent Volume Claim 信息"""
# 检查是否有查看命名空间域资源权限
self._validate_perm(request.user.username, project_id, cluster_id,
namespace, DashboardAction.View)
response_data = Pod(request.ctx_cluster).filter_related_resources(
PersistentVolumeClaim(request.ctx_cluster), namespace, name)
return Response(response_data)
def get_pod(self, request, project_id_or_code, cluster_id, namespace,
pod_name):
""" 获取指定 Pod 信息，以列表格式返回 """
pod = Pod(request.ctx_cluster).get(
namespace=namespace,
name=pod_name,
formatter=ResourceDefaultFormatter())
# 保持接口格式不变，如果查询不到则返回空列表
response_data = [pod] if pod else []
return Response(response_data)
def list_pods_by_deployment(self, request, project_id_or_code, cluster_id, namespace, deploy_name):
# TODO 增加用户对层级资源project/cluster/namespace的权限校验(由于粒度没有细化到Deployment)
deployment = Deployment(request.ctx_cluster).get(namespace=namespace, name=deploy_name, is_format=False)
labels_string = make_labels_string(getitems(deployment.data.to_dict(), 'spec.selector.matchLabels', {}))
pods = Pod(request.ctx_cluster).list(
namespace=namespace,
label_selector=labels_string,
is_format=False,
owner_kind=K8sResourceKind.Deployment.value,
owner_name=deploy_name,
)['items']
return Response(ResourceDefaultFormatter().format_list(pods))
def env_info(self, request, project_id, cluster_id, namespace, pod_name, container_name):
""" 获取 Pod 环境变量配置信息 """
env_resp = Pod(request.ctx_cluster).exec_command(namespace, pod_name, container_name, ['/bin/sh', '-c', 'env'])
try:
# docker 环境变量格式: key=val
response_data = []
for info in env_resp.splitlines():
if not info:
continue
partition_ret = info.partition('=')
response_data.append({'name': partition_ret[0], 'value': partition_ret[2]})
except Exception as e:
# 若解析失败，仅保留错误信息，不抛出异常
logger.error('解析容器环境变量失败: %s', e)
response_data = []
return Response(response_data)
def reschedule(self, request, project_id, cluster_id, namespace, name):
""" 重新调度 Pod（仅对有父级资源的 Pod 有效） """
# 操作类接口统一检查集群操作权限
validate_cluster_perm(request, project_id, cluster_id)
client = Pod(request.ctx_cluster)
request.audit_ctx.update_fields(
resource_type=self.resource_client.kind.lower(),
resource=f'{namespace}/{name}')
# 检查 Pod 配置，必须有父级资源才可以重新调度
pod_manifest = client.fetch_manifest(namespace, name)
if not getitems(pod_manifest, 'metadata.ownerReferences'):
raise OwnerReferencesNotExist(
_('Pod {}/{} 不存在父级资源，无法被重新调度').format(namespace, name))
# 重新调度的原理是直接删除 Pod，利用父级资源重新拉起服务
try:
response_data = client.delete(name=name,
namespace=namespace).to_dict()
except DynamicApiError as e:
raise DeleteResourceError(_('重新调度 Pod 失败: {}').format(e.summary()))
return Response(response_data)
def secrets(self, request, project_id, cluster_id, namespace, name):
""" 获取 Pod Secret 信息 """
response_data = Pod(request.ctx_cluster).filter_related_resources(
Secret(request.ctx_cluster), namespace, name)
return Response(response_data)
def configmaps(self, request, project_id, cluster_id, namespace, name):
""" 获取 Pod ConfigMap 信息 """
response_data = Pod(request.ctx_cluster).filter_related_resources(
ConfigMap(request.ctx_cluster), namespace, name)
return Response(response_data)
def persistent_volume_claims(self, request, project_id, cluster_id,
namespace, name):
""" 获取 Pod Persistent Volume Claim 信息 """
response_data = Pod(request.ctx_cluster).filter_related_resources(
PersistentVolumeClaim(request.ctx_cluster), namespace, name)
return Response(response_data)
def list(self, request, project_id, cluster_id, namespace, pod_name):
""" 获取 Pod 下所有的容器信息 """
pod_manifest = Pod(request.ctx_cluster).fetch_manifest(namespace, pod_name)
response_data = ContainerRespBuilder(pod_manifest).build_list()
return Response(response_data)
def retrieve(self, request, project_id, cluster_id, namespace, pod_name, container_name):
"""获取 Pod 下单个容器详细信息"""
self._validate_perm(request.user.username, project_id, cluster_id, namespace, DashboardAction.View)
pod_manifest = Pod(request.ctx_cluster).fetch_manifest(namespace, pod_name)
response_data = ContainerRespBuilder(pod_manifest, container_name).build()
return Response(response_data)
def retrieve(self, request, project_id, cluster_id, namespace, pod_name):
""" 获取单个 Pod 详细信息 """
client = Pod(request.ctx_cluster)
response_data = RetrieveApiRespBuilder(client, namespace, pod_name).build()
return Response(response_data)