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feat(Docker): avoid repulling existing images

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Jake Turner 2026-01-25 06:12:11 +00:00 committed by Jake Turner
parent cb85785cb1
commit c78736c8da
1 changed files with 38 additions and 15 deletions
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53
admin/app/services/docker_service.ts
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@ -310,11 +310,7 @@ export class DockerService {
}
} catch (error) {
logger.warn(`Error during container cleanup: ${error.message}`)
this._broadcast(
serviceName,
'cleanup-warning',
`Warning during cleanup: ${error.message}`
)
this._broadcast(serviceName, 'cleanup-warning', `Warning during cleanup: ${error.message}`)
}
// Step 3: Clear volumes/data if needed
@ -356,7 +352,7 @@ export class DockerService {
// Step 5: Recreate the container
this._broadcast(serviceName, 'recreating', `Recreating container...`)
const containerConfig = this._parseContainerConfig(service.container_config)
// Execute installation asynchronously and handle cleanup
this._createContainer(service, containerConfig).catch(async (error) => {
logger.error(`Reinstallation failed for ${serviceName}: ${error.message}`)
@ -427,14 +423,23 @@ export class DockerService {
}
}
// Start pulling the Docker image and wait for it to complete
const pullStream = await this.docker.pull(service.container_image)
this._broadcast(
service.service_name,
'pulling',
`Pulling Docker image ${service.container_image}...`
)
await new Promise((res) => this.docker.modem.followProgress(pullStream, res))
const imageExists = await this._checkImageExists(service.container_image)
if (imageExists) {
this._broadcast(
service.service_name,
'image-exists',
`Docker image ${service.container_image} already exists locally. Skipping pull...`
)
} else {
// Start pulling the Docker image and wait for it to complete
const pullStream = await this.docker.pull(service.container_image)
this._broadcast(
service.service_name,
'pulling',
`Pulling Docker image ${service.container_image}...`
)
await new Promise((res) => this.docker.modem.followProgress(pullStream, res))
}
if (service.service_name === DockerService.KIWIX_SERVICE_NAME) {
await this._runPreinstallActions__KiwixServe()
@ -466,7 +471,7 @@ export class DockerService {
[DockerService.NOMAD_NETWORK]: {},
},
},
})
}),
})
this._broadcast(
@ -632,4 +637,22 @@ export class DockerService {
throw new Error(`Invalid container configuration: ${error.message}`)
}
}
/**
* Check if a Docker image exists locally.
* @param imageName - The name and tag of the image (e.g., "nginx:latest")
* @returns - True if the image exists locally, false otherwise
*/
private async _checkImageExists(imageName: string): Promise<boolean> {
try {
const images = await this.docker.listImages()
// Check if any image has a RepoTag that matches the requested image
return images.some((image) => image.RepoTags && image.RepoTags.includes(imageName))
} catch (error) {
logger.warn(`Error checking if image exists: ${error.message}`)
// If run into an error, assume the image does not exist
return false
}
}
}