@bitblit/ratchet-aws/lib/ecr/used-image-finders/lambda-used-image-finder.js

Common tools for use with AWS browser and node

import { RequireRatchet } from '@bitblit/ratchet-common/lang/require-ratchet';
import { Logger } from '@bitblit/ratchet-common/logger/logger';
import { StringRatchet } from '@bitblit/ratchet-common/lang/string-ratchet';
import { GetFunctionCommand, ListFunctionsCommand, } from '@aws-sdk/client-lambda';
export class LambdaUsedImageFinder {
    lambda;
    constructor(lambda) {
        this.lambda = lambda;
        RequireRatchet.notNullOrUndefined(lambda, 'lambda');
    }
    async findUsedImageUris() {
        const rval = new Set();
        const fns = await this.fetchFunctions();
        Logger.info('Found %d functions', fns.length);
        for (const fn of fns) {
            if (fn.PackageType === 'Image') {
                const out = await this.lambda.send(new GetFunctionCommand({ FunctionName: fn.FunctionName }));
                if (out.Code.RepositoryType === 'ECR' && out.Code.ImageUri) {
                    rval.add(out.Code.ImageUri);
                }
            }
            else {
                Logger.info('Skipping zip packaged function: %s', fn.FunctionName);
            }
        }
        return Array.from(rval);
    }
    async fetchFunctions() {
        let rval = [];
        const cmd = {};
        let resp = null;
        do {
            resp = await this.lambda.send(new ListFunctionsCommand(cmd));
            rval = rval.concat(resp.Functions);
            cmd.Marker = resp.NextMarker;
        } while (StringRatchet.trimToNull(cmd.Marker));
        return rval;
    }
}
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