Glosarium | Kubernetes

Glosarium ini dimaksudkan sebagai daftar terminologi Kubernetes yang komprehensif dan terstandardisasi. Glosarium ini mencakup istilah-istilah teknis yang spesifik digunakan di Kubernetes, serta beberapa istilah umum untuk membantu memberikan konteks.
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Resources that extend the functionality of Kubernetes.
Installing addons explains more about using add-ons with your cluster, and lists some popular add-ons.
A piece of code that intercepts requests to the Kubernetes API server prior to persistence of the object.
Admission controllers are configurable for the Kubernetes API server and may be "validating", "mutating", or both. Any admission controller may reject the request. Mutating controllers may modify the objects they admit; validating controllers may not.
In Kubernetes, affinity is a set of rules that give hints to the scheduler about where to place pods.
There are two kinds of affinity:
The rules are defined using the Kubernetes labels, and selectors specified in pods, and they can be either required or preferred, depending on how strictly you want the scheduler to enforce them.
The aggregation layer lets you install additional Kubernetes-style APIs in your cluster.
When you've configured the Kubernetes API Server to support additional APIs, you can add APIService objects to "claim" a URL path in the Kubernetes API.
Suatu pasangan kunci-nilai (key-value) yang digunakan untuk melampirkan metadata nonidentifikasi arbitrer ke objek.
Metadata dalam anotasi bisa berukuran kecil atau besar, terstruktur atau tidak terstruktur, dan dapat menyertakan karakter yang tidak dibolehkan pada label. Klien seperti utilitas dan pustaka dapat mengambil metadata ini.
Sebuah API untuk mengintegrasikan runtime Container dengan kubelet.
Untuk informasi lebih lanjut, lihat API dan spesifikasi CRI.
An entity in the Kubernetes type system, corresponding to an endpoint on the Kubernetes API. A resource typically represents an object. Some resources represent an operation on other objects, such as a permission check.
Each resource represents an HTTP endpoint (URI) on the Kubernetes API server, defining the schema for the objects or operations on that resource.
API-initiated eviction is the process by which you use the Eviction API to create an Eviction object that triggers graceful pod termination.
You can request eviction either by directly calling the Eviction API using a client of the kube-apiserver, like the kubectl drain command. When an Eviction object is created, the API server terminates the Pod.
API-initiated evictions respect your configured PodDisruptionBudgets and terminationGracePeriodSeconds.
API-initiated eviction is not the same as node-pressure eviction.
Lapisan (layer) tempat menjalankan berbagai aplikasi dalam Container.
Application containers (or app containers) are the containers in a pod that are started after any init containers have completed.
An init container lets you separate initialization details that are important for the overall workload, and that don't need to keep running once the application container has started. If a pod doesn't have any init containers configured, all the containers in that pod are app containers.
A person responsible for the high-level design of an application.
An architect ensures that an app's implementation allows it to interact with its surrounding components in a scalable, maintainable way. Surrounding components include databases, logging infrastructure, and other microservices.
A person who writes an application that runs in a Kubernetes cluster.
An application developer focuses on one part of an application. The scale of their focus may vary significantly in size.
A person who can review and approve Kubernetes code contributions.
While code review is focused on code quality and correctness, approval is focused on the holistic acceptance of a contribution. Holistic acceptance includes backwards/forwards compatibility, adhering to API and flag conventions, subtle performance and correctness issues, interactions with other parts of the system, and others. Approver status is scoped to a part of the codebase. Approvers were previously referred to as maintainers.
cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers.
It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide.
A cryptographically secure file used to validate access to the Kubernetes cluster.
Certificates enable applications within a Kubernetes cluster to access the Kubernetes API securely. Certificates validate that clients are allowed to access the API.
Suatu grup proses Linux dengan isolasi, penghitungan, dan pembatasan sumber daya opsional.
cgroup merupakan fitur kernel Linux yang membatasi, menghitung, dan mengisolasi penggunaan sumber daya (CPU, memori, I/O diska, jaringan) untuk sekumpulan proses.
CIDR (Classless Inter-Domain Routing) is a notation for describing blocks of IP addresses and is used heavily in various networking configurations.
In the context of Kubernetes, each Node is assigned a range of IP addresses through the start address and a subnet mask using CIDR. This allows Nodes to assign each Pod a unique IP address. Although originally a concept for IPv4, CIDR has also been expanded to include IPv6.
Terms under which a contributor grants a license to an open source project for their contributions.