eve/dist/src/execution/sandbox/bindings/docker-templates.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{mkdir,readdir,rm,stat,utimes,writeFile}from"node:fs/promises";import{dirname,join}from"node:path";import"node:fs";import{resolveSandboxCacheDirectory}from"#internal/application/paths.js";import{expectDockerSuccess}from"#execution/sandbox/bindings/docker-utils.js";import{createDockerCli}from"#execution/sandbox/bindings/docker-cli.js";import{LOCAL_SANDBOX_TEMPLATE_RECENT_WINDOW_MS,LOCAL_SANDBOX_TEMPLATE_RETAIN_COUNT,selectStaleTemplateEntries}from"#execution/sandbox/bindings/local-template-prune.js";const DOCKER_TEMPLATE_IMAGE_REPOSITORY=`eve-sandbox-template`;async function pruneDockerSandboxTemplates(e){let t=e.dockerCli??createDockerCli(),n=resolveDockerTemplateMarkersDirectory(e.appRoot),r;try{r=await readdir(n,{withFileTypes:!0})}catch(e){if(e instanceof Error&&`code`in e&&e.code===`ENOENT`)return;throw e}let i=await Promise.all(r.filter(e=>e.isFile()).map(async e=>{let t=join(n,e.name);return{imageTag:e.name,mtimeMs:(await stat(t)).mtimeMs,path:t}})),a=selectStaleTemplateEntries(i,{now:e.now??Date.now(),recentWindowMs:e.recentWindowMs??LOCAL_SANDBOX_TEMPLATE_RECENT_WINDOW_MS,retainCount:e.retainCount??LOCAL_SANDBOX_TEMPLATE_RETAIN_COUNT});for(let e of a){let n=await t.run([`rmi`,dockerTemplateImageReferenceFromTag(e.imageTag)]),r=n.exitCode!==0&&/no such image/i.test(n.stderr);(n.exitCode===0||r)&&await rm(e.path,{force:!0})}}function dockerTemplateImageReference(e){return dockerTemplateImageReferenceFromTag(dockerTemplateImageTag(e))}function dockerTemplateImageReferenceFromTag(e){return`${DOCKER_TEMPLATE_IMAGE_REPOSITORY}:${e}`}function dockerTemplateImageTag(e){return`${e.templateKey.toLowerCase()}-${e.optionsHash}`}function resolveDockerTemplateMarkerPath(e,t){return join(resolveDockerTemplateMarkersDirectory(e),dockerTemplateImageTag(t))}async function touchDockerTemplateMarker(e,t){await mkdir(dirname(e),{recursive:!0});try{let t=new Date;await utimes(e,t,t)}catch{await writeFile(e,`${t}\n`)}}async function dockerImageExists(e,t){return(await e.run([`image`,`inspect`,`--format`,`{{.Id}}`,t])).exitCode===0}async function ensureDockerBaseImage(e,t){if(t.pullPolicy===`always`){expectDockerSuccess(await e.run([`pull`,t.image]),`pull base image "${t.image}"`);return}if(!await dockerImageExists(e,t.image)){if(t.pullPolicy===`never`)throw Error(`The local sandbox base image "${t.image}" is not present locally and pullPolicy is "never". Pull the image manually or relax the pull policy.`);expectDockerSuccess(await e.run([`pull`,t.image]),`pull base image "${t.image}"`)}}function resolveDockerTemplateMarkersDirectory(e){return join(resolveSandboxCacheDirectory(e),`docker`,`templates`)}export{DOCKER_TEMPLATE_IMAGE_REPOSITORY,dockerImageExists,dockerTemplateImageReference,ensureDockerBaseImage,pruneDockerSandboxTemplates,resolveDockerTemplateMarkerPath,touchDockerTemplateMarker};