Image acquisition method in node cluster, node equipment and server

Abstract

The embodiment of the invention provides an image acquisition method in a node cluster, node equipment and a server, and relates to the technical field of the information. The problem that a service container cannot operate as normal since the resource limitation of the existing service container cannot be used as normal under the situation that the used resource is unlimited when the existing cluster node downloads an image through a P2P way by starting a BT client is solved. The method comprises the following steps: a first node receives a service container operation request including an image identifier of the image of a first to-be-operated service container and the resource limitation of the first to-be-operated service container, and requests mirror distribution information corresponding to the mirror identifier from the first server; when an acquisition way of the image layer comprises the P2P acquisition way, the first node creates a P2P container, and sets that the operation resource limitation of the P2P container to be less than and equal to the resource limitation of the first to-be-operated service container, and an image layer compression sack corresponding to the image layer identifier is acquired through the P2P container.

Description

technical field [0001] The present invention relates to the field of information technology, in particular to a mirror image acquisition method, node equipment and server in a node cluster. Background technique [0002] Docker is an open-source business container engine that allows developers to package applications and the environment that the application depends on into a Docker image, which is pre-stored in the image warehouse. When users need to use the application, they can download the image. Create a business container that can run the application. [0003] Specifically, the existing Docker image download process is as follows: after the cluster management platform receives the user's task request for creating a business container, it will download the image from the image warehouse to the local according to the image ID included in the task request, and create a Make corresponding seed files for each image layer compressed package in the image, then start the BitTor...

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a mirror image acquisition method, node device, and server in a node cluster, which are used to solve the problem that the resources used by the existing cluster nodes are not Limitation, the resource quota of the existing business container cannot be used normally, and the business container cannot run normally

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