用 Python 给 Kubernetes 写个控制器 主讲人： 张晋涛 个人介绍 Apache APISIX PMC Kubernetes Ingress NGINX maintainer Microsoft MVP 『 K8S 生态周报』发起人和维护者 GitHub：tao12345666333 Mail: zhangjintao@apache.org Agenda admission-controller 示例实现  响应： 200 状态码的 AdmissionReview 对象  uid 从 request 复制过来  allowed: 决定是否允许  可包含 status 或者 patch 等响应 https://github.com/tao12345666333/py-admission-controller 其他方案  OPA/Gatekeeper

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback= , hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 Consumer(on_task_request, init_callback=, hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback= , hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 Consumer(on_task_request, init_callback=, hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback= , hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 Consumer(on_task_request, init_callback=, hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback= , hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 Consumer(on_task_request, init_callback=, hostname=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback=, host- name=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 {‘shutdown’: controller_info_t(alias=None, type=u’control’, visible=True, default_timeout=1.0, help=u’Shutdown worker(s).’, signature=None, args=None, variadic=None), ‘time_limit’: controller_info_t(alias=None

Chapter 2. Contents Celery Documentation, Release 4.1.0 Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback=, host- name=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 {‘shutdown’: controller_info_t(alias=None, type=u’control’, visible=True, default_timeout=1.0, help=u’Shutdown worker(s).’, signature=None, args=None, variadic=None), ‘time_limit’: controller_info_t(alias=None

User Guide 173 Celery Documentation, Release 4.0.1 Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback=, host- name=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 {‘shutdown’: controller_info_t(alias=None, type=u’control’, visible=True, default_timeout=1.0, help=u’Shutdown worker(s).’, signature=None, args=None, variadic=None), ‘time_limit’: controller_info_t(alias=None

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback=, host- name=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 {‘shutdown’: controller_info_t(alias=None, type=u’control’, visible=True, default_timeout=1.0, help=u’Shutdown worker(s).’, signature=None, args=None, variadic=None), ‘time_limit’: controller_info_t(alias=None

this method is called when the worker is shutdown. Attributes app The current app instance. controller The parent WorkController object that created this consumer. hostname The workers node name Consumer(on_task_request, init_callback=, host- name=None, pool=None, app=None, timer=None, controller=None, hub=None, amqheartbeat=None, worker_options=None, disable_rate_limits=False, initial_prefetch_count=2 {‘shutdown’: controller_info_t(alias=None, type=u’control’, visible=True, default_timeout=1.0, help=u’Shutdown worker(s).’, signature=None, args=None, variadic=None), ‘time_limit’: controller_info_t(alias=None