347 lines
12 KiB
TypeScript
347 lines
12 KiB
TypeScript
import * as plugins from './coreflow.plugins.js';
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import { logger } from './coreflow.logging.js';
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import { Coreflow } from './coreflow.classes.coreflow.js';
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export class ClusterManager {
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public coreflowRef: Coreflow;
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public configSubscription: plugins.smartrx.rxjs.Subscription;
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public containerSubscription: plugins.smartrx.rxjs.Subscription;
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public containerVersionSubscription: plugins.smartrx.rxjs.Subscription;
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public readyDeferred = plugins.smartpromise.defer();
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public commonDockerData = {
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networkNames: {
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sznWebgateway: 'sznwebgateway',
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sznCorechat: 'szncorechat',
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},
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};
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constructor(coreflowRefArg: Coreflow) {
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this.coreflowRef = coreflowRefArg;
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}
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/**
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* starts the cluster manager
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*/
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public async start() {
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const config = await this.coreflowRef.cloudlyConnector.getConfigFromCloudly();
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this.readyDeferred.resolve();
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// subscriptions
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// this subscription is the start point for most updates on the cluster
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this.configSubscription =
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this.coreflowRef.cloudlyConnector.cloudlyApiClient.configUpdateSubject.subscribe(
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async (dataArg) => {
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this.coreflowRef.taskManager.updateBaseServicesTask.trigger();
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}
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);
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}
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/**
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* stops the clustermanager
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*/
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public async stop() {
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this.configSubscription ? this.configSubscription.unsubscribe() : null;
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}
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/**
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* provisions base services
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*/
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public async provisionBaseServices() {
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// swarm should be enabled by lower level serverconfig package
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// get current situation
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const networks = await this.coreflowRef.dockerHost.getNetworks();
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logger.log('info', 'There are currently ' + networks.length + ' networks');
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for (const network of networks) {
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logger.log('info', 'Network: ' + network.Name);
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}
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// make sure there is a network for the webgateway
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let sznWebgatewayNetwork = await plugins.docker.DockerNetwork.getNetworkByName(
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this.coreflowRef.dockerHost,
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this.commonDockerData.networkNames.sznWebgateway
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);
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if (!sznWebgatewayNetwork) {
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logger.log('info', 'Creating network: ' + this.commonDockerData.networkNames.sznWebgateway);
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sznWebgatewayNetwork = await plugins.docker.DockerNetwork.createNetwork(this.coreflowRef.dockerHost, {
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Name: this.commonDockerData.networkNames.sznWebgateway,
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});
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} else {
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logger.log('ok', 'sznWebgateway is already present');
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}
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// corechat network so base services can talk to each other
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let sznCorechatNetwork = await plugins.docker.DockerNetwork.getNetworkByName(
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this.coreflowRef.dockerHost,
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this.commonDockerData.networkNames.sznCorechat
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);
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if (!sznCorechatNetwork) {
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sznCorechatNetwork = await plugins.docker.DockerNetwork.createNetwork(this.coreflowRef.dockerHost, {
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Name: this.commonDockerData.networkNames.sznCorechat,
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});
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} else {
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logger.log('ok', 'sznCorechat is already present');
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}
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logger.log('info', `Waiting for networks to be ready...`);
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await plugins.smartdelay.delayFor(10000);
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logger.log('success', `Successfully created networks for servezone`);
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// Images
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logger.log('info', `now updating docker images of base services...`);
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const coretrafficImage = await plugins.docker.DockerImage.createFromRegistry(this.coreflowRef.dockerHost, {
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creationObject: {
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imageUrl: 'code.foss.global/serve.zone/coretraffic',
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}
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});
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const corelogImage = await plugins.docker.DockerImage.createFromRegistry(this.coreflowRef.dockerHost, {
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creationObject: {
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imageUrl: 'code.foss.global/serve.zone/corelog',
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}
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});
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// SERVICES
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// lets deploy the base services
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// coretraffic
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let coretrafficService: plugins.docker.DockerService;
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coretrafficService = await plugins.docker.DockerService.getServiceByName(
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this.coreflowRef.dockerHost,
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'coretraffic'
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);
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if (coretrafficService && (await coretrafficService.needsUpdate())) {
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await coretrafficService.remove();
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await plugins.smartdelay.delayFor(5000);
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coretrafficService = null;
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} else {
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logger.log('ok', `coretraffic service is up to date`);
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}
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if (!coretrafficService) {
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coretrafficService = await plugins.docker.DockerService.createService(this.coreflowRef.dockerHost, {
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image: coretrafficImage,
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labels: {},
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name: 'coretraffic',
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networks: [sznCorechatNetwork, sznWebgatewayNetwork],
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networkAlias: 'coretraffic',
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ports: ['80:7999', '443:8000'],
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secrets: [],
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resources: {
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memorySizeMB: 1100,
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volumeMounts: [],
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},
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});
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} else {
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logger.log('ok', 'coretraffic service is already present');
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}
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logger.log('info', 'wait for coretraffic to be up and running');
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await plugins.smartdelay.delayFor(10000);
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// corelog
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let corelogService: plugins.docker.DockerService;
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corelogService = await plugins.docker.DockerService.getServiceByName(
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this.coreflowRef.dockerHost,
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'corelog'
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);
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if (corelogService && (await corelogService.needsUpdate())) {
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await corelogService.remove();
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corelogService = null;
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} else {
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logger.log('ok', `corelog service is up to date`);
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}
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if (!corelogService) {
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corelogService = await plugins.docker.DockerService.createService(this.coreflowRef.dockerHost, {
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image: corelogImage,
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labels: {},
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name: 'corelog',
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networks: [sznCorechatNetwork],
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networkAlias: 'corelog',
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ports: [],
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secrets: [],
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resources: {
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memorySizeMB: 120,
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volumeMounts: [],
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},
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});
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} else {
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logger.log('ok', 'corelog service is already present');
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}
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logger.log('info', 'waiting for corelog to be up and running');
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await plugins.smartdelay.delayFor(10000);
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}
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public async provisionWorkloadService(
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serviceArg: plugins.servezoneInterfaces.data.IService
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) {
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logger.log('info', `deploying service ${serviceArg.data.name}@${serviceArg.data.imageVersion}...`);
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// get the image from cloudly
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logger.log('info', `getting image for ${serviceArg.data.name}@${serviceArg.data.imageVersion}`);
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const containerImage = await this.coreflowRef.cloudlyConnector.cloudlyApiClient.images.getImageById(serviceArg.data.imageId);
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const imageStream = await containerImage.pullImageVersion(serviceArg.data.imageVersion);
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await plugins.docker.DockerImage.createFromTarStream(this.coreflowRef.dockerHost, {
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creationObject: {
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imageUrl: containerImage.id,
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imageTag: serviceArg.data.imageVersion,
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},
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tarStream: plugins.smartstream.nodewebhelpers.convertWebReadableToNodeReadable(imageStream)
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});
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let containerService = await plugins.docker.DockerService.getServiceByName(
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this.coreflowRef.dockerHost,
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serviceArg.data.name
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);
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const secretBundleId = serviceArg.data.secretBundleId;
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this.coreflowRef.cloudlyConnector.cloudlyApiClient;
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const dockerSecretName = `${serviceArg.id}_${serviceArg.data.name}_Secret`;
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let containerSecret = await plugins.docker.DockerSecret.getSecretByName(
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this.coreflowRef.dockerHost,
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dockerSecretName
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);
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// existing network to connect to
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const webGatewayNetwork = await plugins.docker.DockerNetwork.getNetworkByName(
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this.coreflowRef.dockerHost,
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this.commonDockerData.networkNames.sznWebgateway
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);
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if (containerService && (await containerService.needsUpdate())) {
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await containerService.remove();
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if (containerSecret) {
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await containerSecret.remove();
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}
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containerService = null;
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containerSecret = null;
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}
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if (!containerService) {
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containerSecret = await plugins.docker.DockerSecret.getSecretByName(
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this.coreflowRef.dockerHost,
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dockerSecretName
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);
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if (containerSecret) {
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await containerSecret.remove();
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}
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const secretBundle: plugins.servezoneInterfaces.data.ISecretBundle =this.coreflowRef.cloudlyConnector.cloudlyApiClient.;
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containerSecret = await plugins.docker.DockerSecret.createSecret(this.coreflowRef.dockerHost, {
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name: dockerSecretName,
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contentArg: JSON.stringify(secretBundle.data.),
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labels: {},
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version: await containerImage.getVersion(),
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});
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containerService = await plugins.docker.DockerService.createService(this.coreflowRef.dockerHost, {
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name: deploymentDirectiveArg.name,
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image: containerImage,
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networks: [webGatewayNetwork],
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secrets: [containerSecret],
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ports: [],
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labels: {},
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resources: deploymentDirectiveArg.resources,
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networkAlias: deploymentDirectiveArg.name,
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});
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}
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}
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/**
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* update traffic routing
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*/
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public async updateTrafficRouting(clusterConfigArg: plugins.servezoneInterfaces.data.IClusterConfig) {
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const services = await this.coreflowRef.dockerHost.getServices();
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const webGatewayNetwork = await plugins.docker.DockerNetwork.getNetworkByName(
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this.coreflowRef.dockerHost,
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this.commonDockerData.networkNames.sznWebgateway
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);
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const reverseProxyConfigs: plugins.servezoneInterfaces.data.IReverseProxyConfig[] = [];
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const pushProxyConfig = async (
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serviceNameArg: string,
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hostNameArg: string,
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containerDestinationIp: string,
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webDestinationPort: string
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) => {
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logger.log('ok', `trying to obtain a certificate for ${hostNameArg}`);
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const certificate =
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await this.coreflowRef.cloudlyConnector.getCertificateForDomainFromCloudly(hostNameArg);
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reverseProxyConfigs.push({
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destinationIp: containerDestinationIp,
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destinationPort: webDestinationPort,
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hostName: hostNameArg,
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privateKey: certificate.privateKey,
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publicKey: certificate.publicKey,
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});
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logger.log(
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'success',
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`pushed routing config for ${hostNameArg} on workload service ${serviceNameArg}`
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);
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};
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logger.log('info', `Found ${services.length} services!`);
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for (const service of services) {
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let workloadConfig: plugins.servezoneInterfaces.data.IClusterConfigContainer;
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for (const workloadServiceConfig of clusterConfigArg.data.containers) {
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if (service.Spec.Name === workloadServiceConfig.name) {
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workloadConfig = workloadServiceConfig;
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break;
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}
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}
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if (workloadConfig) {
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logger.log('ok', `found workload service ${service.Spec.Name}`);
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const containersOfServicesOnNetwork =
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await webGatewayNetwork.getContainersOnNetworkForService(service);
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// TODO: make this multi container ready
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if (!containersOfServicesOnNetwork[0]) {
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logger.log(
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'error',
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`There seems to be no container available for service ${service.Spec.Name}`
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);
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continue;
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}
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const containerDestinationIp = containersOfServicesOnNetwork[0].IPv4Address.split('/')[0];
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const hostNames: string[] = workloadConfig.domains;
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// lets route the web port
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const webDestinationPort: string = workloadConfig.ports.web.toString();
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for (const hostName of hostNames) {
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await pushProxyConfig(
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workloadConfig.name,
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hostName,
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containerDestinationIp,
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webDestinationPort
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);
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}
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// lets route custom ports
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if (workloadConfig.ports.custom) {
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const customDomainKeys = Object.keys(workloadConfig.ports.custom);
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for (const customDomainKey of customDomainKeys) {
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await pushProxyConfig(
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workloadConfig.name,
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customDomainKey,
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containerDestinationIp,
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workloadConfig.ports.custom[customDomainKey]
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);
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}
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}
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} else {
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logger.log(
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'ok',
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`service ${service.Spec.Name} is not a workload service and won't receive traffic`
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);
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}
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}
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console.log(reverseProxyConfigs);
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await this.coreflowRef.corechatConnector.setReverseConfigs(reverseProxyConfigs);
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}
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}
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