mirror of
https://github.com/Azure/k8s-deploy.git
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Vidya reddy/prettier code (#203)
This commit is contained in:
Vidya
+173
-172
@@ -1,172 +1,173 @@
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import * as core from "@actions/core";
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import * as deploy from "./deploy";
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import * as canaryDeploymentHelper from "../strategyHelpers/canary/canaryHelper";
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import * as SMICanaryDeploymentHelper from "../strategyHelpers/canary/smiCanaryHelper";
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import {
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getResources,
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updateManifestFiles,
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} from "../utilities/manifestUpdateUtils";
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import * as models from "../types/kubernetesTypes";
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import * as KubernetesManifestUtility from "../utilities/manifestStabilityUtils";
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import {
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BlueGreenManifests,
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deleteWorkloadsAndServicesWithLabel,
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deleteWorkloadsWithLabel,
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getManifestObjects,
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GREEN_LABEL_VALUE,
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NONE_LABEL_VALUE,
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} from "../strategyHelpers/blueGreen/blueGreenHelper";
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import {
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promoteBlueGreenService,
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routeBlueGreenService,
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} from "../strategyHelpers/blueGreen/serviceBlueGreenHelper";
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import {
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promoteBlueGreenIngress,
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routeBlueGreenIngress,
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} from "../strategyHelpers/blueGreen/ingressBlueGreenHelper";
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import {
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cleanupSMI,
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promoteBlueGreenSMI,
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routeBlueGreenSMI,
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} from "../strategyHelpers/blueGreen/smiBlueGreenHelper";
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import { Kubectl, Resource } from "../types/kubectl";
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import { DeploymentStrategy } from "../types/deploymentStrategy";
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import {
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parseTrafficSplitMethod,
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TrafficSplitMethod,
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} from "../types/trafficSplitMethod";
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import { parseRouteStrategy, RouteStrategy } from "../types/routeStrategy";
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export async function promote(
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kubectl: Kubectl,
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manifests: string[],
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deploymentStrategy: DeploymentStrategy
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) {
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switch (deploymentStrategy) {
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case DeploymentStrategy.CANARY:
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await promoteCanary(kubectl, manifests);
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break;
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case DeploymentStrategy.BLUE_GREEN:
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await promoteBlueGreen(kubectl, manifests);
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break;
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default:
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throw Error("Invalid promote deployment strategy");
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}
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}
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async function promoteCanary(kubectl: Kubectl, manifests: string[]) {
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let includeServices = false;
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const trafficSplitMethod = parseTrafficSplitMethod(
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core.getInput("traffic-split-method", { required: true })
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);
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if (trafficSplitMethod == TrafficSplitMethod.SMI) {
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includeServices = true;
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// In case of SMI traffic split strategy when deployment is promoted, first we will redirect traffic to
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// canary deployment, then update stable deployment and then redirect traffic to stable deployment
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core.info("Redirecting traffic to canary deployment");
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await SMICanaryDeploymentHelper.redirectTrafficToCanaryDeployment(
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kubectl,
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manifests
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);
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core.info("Deploying input manifests with SMI canary strategy");
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await deploy.deploy(kubectl, manifests, DeploymentStrategy.CANARY);
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core.info("Redirecting traffic to stable deployment");
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await SMICanaryDeploymentHelper.redirectTrafficToStableDeployment(
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kubectl,
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manifests
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);
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} else {
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core.info("Deploying input manifests");
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await deploy.deploy(kubectl, manifests, DeploymentStrategy.CANARY);
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}
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core.info("Deleting canary and baseline workloads");
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try {
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await canaryDeploymentHelper.deleteCanaryDeployment(
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kubectl,
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manifests,
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includeServices
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);
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} catch (ex) {
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core.warning(
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"Exception occurred while deleting canary and baseline workloads: " + ex
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);
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}
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}
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async function promoteBlueGreen(kubectl: Kubectl, manifests: string[]) {
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// update container images and pull secrets
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const inputManifestFiles: string[] = updateManifestFiles(manifests);
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const manifestObjects: BlueGreenManifests =
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getManifestObjects(inputManifestFiles);
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const routeStrategy = parseRouteStrategy(
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core.getInput("route-method", { required: true })
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);
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core.info("Deleting old deployment and making new one");
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let result;
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if (routeStrategy == RouteStrategy.INGRESS) {
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result = await promoteBlueGreenIngress(kubectl, manifestObjects);
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} else if (routeStrategy == RouteStrategy.SMI) {
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result = await promoteBlueGreenSMI(kubectl, manifestObjects);
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} else {
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result = await promoteBlueGreenService(kubectl, manifestObjects);
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}
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// checking stability of newly created deployments
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core.info("Checking manifest stability");
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const deployedManifestFiles = result.newFilePaths;
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const resources: Resource[] = getResources(
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deployedManifestFiles,
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models.DEPLOYMENT_TYPES.concat([
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models.DiscoveryAndLoadBalancerResource.SERVICE,
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])
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);
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await KubernetesManifestUtility.checkManifestStability(kubectl, resources);
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core.info(
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"Routing to new deployments and deleting old workloads and services"
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);
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if (routeStrategy == RouteStrategy.INGRESS) {
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await routeBlueGreenIngress(
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kubectl,
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null,
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manifestObjects.serviceNameMap,
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manifestObjects.ingressEntityList
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);
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await deleteWorkloadsAndServicesWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList,
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manifestObjects.serviceEntityList
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);
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} else if (routeStrategy == RouteStrategy.SMI) {
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await routeBlueGreenSMI(
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kubectl,
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NONE_LABEL_VALUE,
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manifestObjects.serviceEntityList
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);
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await deleteWorkloadsWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList
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);
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await cleanupSMI(kubectl, manifestObjects.serviceEntityList);
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} else {
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await routeBlueGreenService(
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kubectl,
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NONE_LABEL_VALUE,
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manifestObjects.serviceEntityList
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);
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await deleteWorkloadsWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList
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);
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}
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}
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import * as core from '@actions/core'
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import * as deploy from './deploy'
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import * as canaryDeploymentHelper from '../strategyHelpers/canary/canaryHelper'
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import * as SMICanaryDeploymentHelper from '../strategyHelpers/canary/smiCanaryHelper'
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import {
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getResources,
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updateManifestFiles
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} from '../utilities/manifestUpdateUtils'
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import * as models from '../types/kubernetesTypes'
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import * as KubernetesManifestUtility from '../utilities/manifestStabilityUtils'
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import {
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BlueGreenManifests,
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deleteWorkloadsAndServicesWithLabel,
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deleteWorkloadsWithLabel,
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getManifestObjects,
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GREEN_LABEL_VALUE,
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NONE_LABEL_VALUE
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} from '../strategyHelpers/blueGreen/blueGreenHelper'
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import {
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promoteBlueGreenService,
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routeBlueGreenService
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} from '../strategyHelpers/blueGreen/serviceBlueGreenHelper'
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import {
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promoteBlueGreenIngress,
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routeBlueGreenIngress
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} from '../strategyHelpers/blueGreen/ingressBlueGreenHelper'
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import {
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cleanupSMI,
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promoteBlueGreenSMI,
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routeBlueGreenSMI
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} from '../strategyHelpers/blueGreen/smiBlueGreenHelper'
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import {Kubectl, Resource} from '../types/kubectl'
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import {DeploymentStrategy} from '../types/deploymentStrategy'
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import {
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parseTrafficSplitMethod,
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TrafficSplitMethod
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} from '../types/trafficSplitMethod'
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import {parseRouteStrategy, RouteStrategy} from '../types/routeStrategy'
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export async function promote(
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kubectl: Kubectl,
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manifests: string[],
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deploymentStrategy: DeploymentStrategy
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) {
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switch (deploymentStrategy) {
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case DeploymentStrategy.CANARY:
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await promoteCanary(kubectl, manifests)
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break
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case DeploymentStrategy.BLUE_GREEN:
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await promoteBlueGreen(kubectl, manifests)
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break
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default:
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throw Error('Invalid promote deployment strategy')
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}
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}
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async function promoteCanary(kubectl: Kubectl, manifests: string[]) {
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let includeServices = false
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const trafficSplitMethod = parseTrafficSplitMethod(
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core.getInput('traffic-split-method', {required: true})
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)
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if (trafficSplitMethod == TrafficSplitMethod.SMI) {
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includeServices = true
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// In case of SMI traffic split strategy when deployment is promoted, first we will redirect traffic to
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// canary deployment, then update stable deployment and then redirect traffic to stable deployment
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core.info('Redirecting traffic to canary deployment')
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await SMICanaryDeploymentHelper.redirectTrafficToCanaryDeployment(
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kubectl,
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manifests
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)
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core.info('Deploying input manifests with SMI canary strategy')
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await deploy.deploy(kubectl, manifests, DeploymentStrategy.CANARY)
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core.info('Redirecting traffic to stable deployment')
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await SMICanaryDeploymentHelper.redirectTrafficToStableDeployment(
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kubectl,
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manifests
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)
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} else {
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core.info('Deploying input manifests')
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await deploy.deploy(kubectl, manifests, DeploymentStrategy.CANARY)
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}
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core.info('Deleting canary and baseline workloads')
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try {
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await canaryDeploymentHelper.deleteCanaryDeployment(
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kubectl,
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manifests,
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includeServices
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)
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} catch (ex) {
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core.warning(
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'Exception occurred while deleting canary and baseline workloads: ' +
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ex
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)
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}
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}
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async function promoteBlueGreen(kubectl: Kubectl, manifests: string[]) {
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// update container images and pull secrets
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const inputManifestFiles: string[] = updateManifestFiles(manifests)
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const manifestObjects: BlueGreenManifests =
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getManifestObjects(inputManifestFiles)
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const routeStrategy = parseRouteStrategy(
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core.getInput('route-method', {required: true})
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)
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core.info('Deleting old deployment and making new one')
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let result
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if (routeStrategy == RouteStrategy.INGRESS) {
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result = await promoteBlueGreenIngress(kubectl, manifestObjects)
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} else if (routeStrategy == RouteStrategy.SMI) {
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result = await promoteBlueGreenSMI(kubectl, manifestObjects)
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} else {
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result = await promoteBlueGreenService(kubectl, manifestObjects)
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}
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// checking stability of newly created deployments
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core.info('Checking manifest stability')
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const deployedManifestFiles = result.newFilePaths
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const resources: Resource[] = getResources(
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deployedManifestFiles,
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models.DEPLOYMENT_TYPES.concat([
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models.DiscoveryAndLoadBalancerResource.SERVICE
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])
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)
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await KubernetesManifestUtility.checkManifestStability(kubectl, resources)
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core.info(
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'Routing to new deployments and deleting old workloads and services'
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)
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if (routeStrategy == RouteStrategy.INGRESS) {
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await routeBlueGreenIngress(
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kubectl,
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null,
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manifestObjects.serviceNameMap,
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manifestObjects.ingressEntityList
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)
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await deleteWorkloadsAndServicesWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList,
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manifestObjects.serviceEntityList
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)
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} else if (routeStrategy == RouteStrategy.SMI) {
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await routeBlueGreenSMI(
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kubectl,
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NONE_LABEL_VALUE,
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manifestObjects.serviceEntityList
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)
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await deleteWorkloadsWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList
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)
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await cleanupSMI(kubectl, manifestObjects.serviceEntityList)
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} else {
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await routeBlueGreenService(
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kubectl,
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NONE_LABEL_VALUE,
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manifestObjects.serviceEntityList
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)
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await deleteWorkloadsWithLabel(
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kubectl,
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GREEN_LABEL_VALUE,
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manifestObjects.deploymentEntityList
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)
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}
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}
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