mirror of
https://github.com/Azure/k8s-deploy.git
synced 2026-06-27 23:39:27 +08:00
Vidya reddy/prettier code (#203)
This commit is contained in:
Vidya
@@ -1,319 +1,328 @@
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import { Kubectl } from "../../types/kubectl";
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import * as core from "@actions/core";
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import * as fs from "fs";
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import * as yaml from "js-yaml";
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import * as fileHelper from "../../utilities/fileUtils";
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import * as kubectlUtils from "../../utilities/trafficSplitUtils";
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import * as canaryDeploymentHelper from "./canaryHelper";
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import {
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isDeploymentEntity,
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isServiceEntity,
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} from "../../types/kubernetesTypes";
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import { checkForErrors } from "../../utilities/kubectlUtils";
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const TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX = "-workflow-rollout";
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const TRAFFIC_SPLIT_OBJECT = "TrafficSplit";
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export async function deploySMICanary(filePaths: string[], kubectl: Kubectl) {
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const canaryReplicaCount = parseInt(
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core.getInput("baseline-and-canary-replicas")
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);
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if (canaryReplicaCount < 0 || canaryReplicaCount > 100)
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throw Error("Baseline-and-canary-replicas must be between 0 and 100");
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const newObjectsList = [];
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filePaths.forEach((filePath: string) => {
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const fileContents = fs.readFileSync(filePath).toString();
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yaml.safeLoadAll(fileContents, (inputObject) => {
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const name = inputObject.metadata.name;
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const kind = inputObject.kind;
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if (isDeploymentEntity(kind)) {
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const stableObject = canaryDeploymentHelper.fetchResource(
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kubectl,
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kind,
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name
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);
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if (!stableObject) {
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core.debug("Stable object not found. Creating only canary object");
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const newCanaryObject = canaryDeploymentHelper.getNewCanaryResource(
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inputObject,
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canaryReplicaCount
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);
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newObjectsList.push(newCanaryObject);
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} else {
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if (!canaryDeploymentHelper.isResourceMarkedAsStable(stableObject)) {
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throw Error(`StableSpecSelectorNotExist : ${name}`);
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}
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core.debug(
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"Stable object found. Creating canary and baseline objects"
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);
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const newCanaryObject = canaryDeploymentHelper.getNewCanaryResource(
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inputObject,
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canaryReplicaCount
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);
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const newBaselineObject =
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canaryDeploymentHelper.getNewBaselineResource(
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stableObject,
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canaryReplicaCount
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);
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newObjectsList.push(newCanaryObject);
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newObjectsList.push(newBaselineObject);
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}
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} else {
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// Update non deployment entity as it is
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newObjectsList.push(inputObject);
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}
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});
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});
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const newFilePaths = fileHelper.writeObjectsToFile(newObjectsList);
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const forceDeployment = core.getInput("force").toLowerCase() === "true";
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const result = await kubectl.apply(newFilePaths, forceDeployment);
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await createCanaryService(kubectl, filePaths);
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return { result, newFilePaths };
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}
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async function createCanaryService(kubectl: Kubectl, filePaths: string[]) {
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const newObjectsList = [];
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const trafficObjectsList = [];
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for (const filePath of filePaths) {
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const fileContents = fs.readFileSync(filePath).toString();
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const parsedYaml = yaml.safeLoadAll(fileContents);
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for (const inputObject of parsedYaml) {
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const name = inputObject.metadata.name;
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const kind = inputObject.kind;
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if (isServiceEntity(kind)) {
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const newCanaryServiceObject =
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canaryDeploymentHelper.getNewCanaryResource(inputObject);
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newObjectsList.push(newCanaryServiceObject);
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const newBaselineServiceObject =
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canaryDeploymentHelper.getNewBaselineResource(inputObject);
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newObjectsList.push(newBaselineServiceObject);
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const stableObject = await canaryDeploymentHelper.fetchResource(
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kubectl,
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kind,
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canaryDeploymentHelper.getStableResourceName(name)
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);
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if (!stableObject) {
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const newStableServiceObject =
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canaryDeploymentHelper.getStableResource(inputObject);
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newObjectsList.push(newStableServiceObject);
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core.debug("Creating the traffic object for service: " + name);
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const trafficObject = await createTrafficSplitManifestFile(
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kubectl,
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name,
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0,
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0,
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1000
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);
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trafficObjectsList.push(trafficObject);
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} else {
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let updateTrafficObject = true;
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const trafficObject = await canaryDeploymentHelper.fetchResource(
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kubectl,
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TRAFFIC_SPLIT_OBJECT,
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getTrafficSplitResourceName(name)
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);
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if (trafficObject) {
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const trafficJObject = JSON.parse(JSON.stringify(trafficObject));
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if (trafficJObject?.spec?.backends) {
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trafficJObject.spec.backends.forEach((s) => {
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if (
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s.service ===
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canaryDeploymentHelper.getCanaryResourceName(name) &&
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s.weight === "1000m"
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) {
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core.debug("Update traffic objcet not required");
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updateTrafficObject = false;
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}
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});
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}
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}
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if (updateTrafficObject) {
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core.debug(
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"Stable service object present so updating the traffic object for service: " +
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name
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);
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trafficObjectsList.push(updateTrafficSplitObject(kubectl, name));
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}
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}
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}
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}
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}
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const manifestFiles = fileHelper.writeObjectsToFile(newObjectsList);
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manifestFiles.push(...trafficObjectsList);
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const forceDeployment = core.getInput("force").toLowerCase() === "true";
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const result = await kubectl.apply(manifestFiles, forceDeployment);
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checkForErrors([result]);
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}
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export async function redirectTrafficToCanaryDeployment(
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kubectl: Kubectl,
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manifestFilePaths: string[]
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) {
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await adjustTraffic(kubectl, manifestFilePaths, 0, 1000);
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}
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export async function redirectTrafficToStableDeployment(
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kubectl: Kubectl,
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manifestFilePaths: string[]
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) {
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await adjustTraffic(kubectl, manifestFilePaths, 1000, 0);
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}
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async function adjustTraffic(
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kubectl: Kubectl,
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manifestFilePaths: string[],
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stableWeight: number,
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canaryWeight: number
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) {
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if (!manifestFilePaths || manifestFilePaths?.length == 0) {
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return;
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}
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const trafficSplitManifests = [];
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for (const filePath of manifestFilePaths) {
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const fileContents = fs.readFileSync(filePath).toString();
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const parsedYaml = yaml.safeLoadAll(fileContents);
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for (const inputObject of parsedYaml) {
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const name = inputObject.metadata.name;
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const kind = inputObject.kind;
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if (isServiceEntity(kind)) {
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trafficSplitManifests.push(
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await createTrafficSplitManifestFile(
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kubectl,
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name,
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stableWeight,
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0,
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canaryWeight
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)
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);
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}
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}
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}
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if (trafficSplitManifests.length <= 0) {
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return;
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}
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const forceDeployment = core.getInput("force").toLowerCase() === "true";
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const result = await kubectl.apply(trafficSplitManifests, forceDeployment);
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checkForErrors([result]);
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}
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async function updateTrafficSplitObject(
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kubectl: Kubectl,
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serviceName: string
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): Promise<string> {
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const percentage = parseInt(core.getInput("percentage"));
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if (percentage < 0 || percentage > 100)
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throw Error("Percentage must be between 0 and 100");
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const percentageWithMuliplier = percentage * 10;
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const baselineAndCanaryWeight = percentageWithMuliplier / 2;
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const stableDeploymentWeight = 1000 - percentageWithMuliplier;
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core.debug(
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"Creating the traffic object with canary weight: " +
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baselineAndCanaryWeight +
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",baseling weight: " +
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baselineAndCanaryWeight +
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",stable: " +
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stableDeploymentWeight
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);
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return await createTrafficSplitManifestFile(
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kubectl,
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serviceName,
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stableDeploymentWeight,
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baselineAndCanaryWeight,
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baselineAndCanaryWeight
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);
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}
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async function createTrafficSplitManifestFile(
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kubectl: Kubectl,
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serviceName: string,
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stableWeight: number,
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baselineWeight: number,
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canaryWeight: number
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): Promise<string> {
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const smiObjectString = await getTrafficSplitObject(
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kubectl,
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serviceName,
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stableWeight,
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baselineWeight,
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canaryWeight
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);
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const manifestFile = fileHelper.writeManifestToFile(
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smiObjectString,
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TRAFFIC_SPLIT_OBJECT,
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serviceName
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);
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if (!manifestFile) {
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throw new Error("Unable to create traffic split manifest file");
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}
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return manifestFile;
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}
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let trafficSplitAPIVersion = "";
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async function getTrafficSplitObject(
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kubectl: Kubectl,
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name: string,
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stableWeight: number,
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baselineWeight: number,
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canaryWeight: number
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): Promise<string> {
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// cached version
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if (!trafficSplitAPIVersion) {
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trafficSplitAPIVersion = await kubectlUtils.getTrafficSplitAPIVersion(
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kubectl
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);
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}
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return JSON.stringify({
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apiVersion: trafficSplitAPIVersion,
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kind: "TrafficSplit",
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metadata: {
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name: getTrafficSplitResourceName(name),
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},
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spec: {
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backends: [
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{
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service: canaryDeploymentHelper.getStableResourceName(name),
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weight: stableWeight,
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},
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{
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service: canaryDeploymentHelper.getBaselineResourceName(name),
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weight: baselineWeight,
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},
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{
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service: canaryDeploymentHelper.getCanaryResourceName(name),
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weight: canaryWeight,
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},
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],
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service: name,
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},
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});
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}
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function getTrafficSplitResourceName(name: string) {
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return name + TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX;
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}
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import {Kubectl} from '../../types/kubectl'
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import * as core from '@actions/core'
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import * as fs from 'fs'
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import * as yaml from 'js-yaml'
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import * as fileHelper from '../../utilities/fileUtils'
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import * as kubectlUtils from '../../utilities/trafficSplitUtils'
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import * as canaryDeploymentHelper from './canaryHelper'
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import {isDeploymentEntity, isServiceEntity} from '../../types/kubernetesTypes'
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import {checkForErrors} from '../../utilities/kubectlUtils'
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const TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX = '-workflow-rollout'
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const TRAFFIC_SPLIT_OBJECT = 'TrafficSplit'
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export async function deploySMICanary(filePaths: string[], kubectl: Kubectl) {
|
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const canaryReplicaCount = parseInt(
|
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core.getInput('baseline-and-canary-replicas')
|
||||
)
|
||||
if (canaryReplicaCount < 0 || canaryReplicaCount > 100)
|
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throw Error('Baseline-and-canary-replicas must be between 0 and 100')
|
||||
|
||||
const newObjectsList = []
|
||||
filePaths.forEach((filePath: string) => {
|
||||
const fileContents = fs.readFileSync(filePath).toString()
|
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yaml.safeLoadAll(fileContents, (inputObject) => {
|
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const name = inputObject.metadata.name
|
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const kind = inputObject.kind
|
||||
|
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if (isDeploymentEntity(kind)) {
|
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const stableObject = canaryDeploymentHelper.fetchResource(
|
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kubectl,
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||||
kind,
|
||||
name
|
||||
)
|
||||
|
||||
if (!stableObject) {
|
||||
core.debug(
|
||||
'Stable object not found. Creating only canary object'
|
||||
)
|
||||
const newCanaryObject =
|
||||
canaryDeploymentHelper.getNewCanaryResource(
|
||||
inputObject,
|
||||
canaryReplicaCount
|
||||
)
|
||||
newObjectsList.push(newCanaryObject)
|
||||
} else {
|
||||
if (
|
||||
!canaryDeploymentHelper.isResourceMarkedAsStable(stableObject)
|
||||
) {
|
||||
throw Error(`StableSpecSelectorNotExist : ${name}`)
|
||||
}
|
||||
|
||||
core.debug(
|
||||
'Stable object found. Creating canary and baseline objects'
|
||||
)
|
||||
const newCanaryObject =
|
||||
canaryDeploymentHelper.getNewCanaryResource(
|
||||
inputObject,
|
||||
canaryReplicaCount
|
||||
)
|
||||
const newBaselineObject =
|
||||
canaryDeploymentHelper.getNewBaselineResource(
|
||||
stableObject,
|
||||
canaryReplicaCount
|
||||
)
|
||||
newObjectsList.push(newCanaryObject)
|
||||
newObjectsList.push(newBaselineObject)
|
||||
}
|
||||
} else {
|
||||
// Update non deployment entity as it is
|
||||
newObjectsList.push(inputObject)
|
||||
}
|
||||
})
|
||||
})
|
||||
|
||||
const newFilePaths = fileHelper.writeObjectsToFile(newObjectsList)
|
||||
const forceDeployment = core.getInput('force').toLowerCase() === 'true'
|
||||
const result = await kubectl.apply(newFilePaths, forceDeployment)
|
||||
await createCanaryService(kubectl, filePaths)
|
||||
return {result, newFilePaths}
|
||||
}
|
||||
|
||||
async function createCanaryService(kubectl: Kubectl, filePaths: string[]) {
|
||||
const newObjectsList = []
|
||||
const trafficObjectsList = []
|
||||
|
||||
for (const filePath of filePaths) {
|
||||
const fileContents = fs.readFileSync(filePath).toString()
|
||||
const parsedYaml = yaml.safeLoadAll(fileContents)
|
||||
for (const inputObject of parsedYaml) {
|
||||
const name = inputObject.metadata.name
|
||||
const kind = inputObject.kind
|
||||
|
||||
if (isServiceEntity(kind)) {
|
||||
const newCanaryServiceObject =
|
||||
canaryDeploymentHelper.getNewCanaryResource(inputObject)
|
||||
newObjectsList.push(newCanaryServiceObject)
|
||||
|
||||
const newBaselineServiceObject =
|
||||
canaryDeploymentHelper.getNewBaselineResource(inputObject)
|
||||
newObjectsList.push(newBaselineServiceObject)
|
||||
|
||||
const stableObject = await canaryDeploymentHelper.fetchResource(
|
||||
kubectl,
|
||||
kind,
|
||||
canaryDeploymentHelper.getStableResourceName(name)
|
||||
)
|
||||
if (!stableObject) {
|
||||
const newStableServiceObject =
|
||||
canaryDeploymentHelper.getStableResource(inputObject)
|
||||
newObjectsList.push(newStableServiceObject)
|
||||
|
||||
core.debug('Creating the traffic object for service: ' + name)
|
||||
const trafficObject = await createTrafficSplitManifestFile(
|
||||
kubectl,
|
||||
name,
|
||||
0,
|
||||
0,
|
||||
1000
|
||||
)
|
||||
|
||||
trafficObjectsList.push(trafficObject)
|
||||
} else {
|
||||
let updateTrafficObject = true
|
||||
const trafficObject = await canaryDeploymentHelper.fetchResource(
|
||||
kubectl,
|
||||
TRAFFIC_SPLIT_OBJECT,
|
||||
getTrafficSplitResourceName(name)
|
||||
)
|
||||
|
||||
if (trafficObject) {
|
||||
const trafficJObject = JSON.parse(
|
||||
JSON.stringify(trafficObject)
|
||||
)
|
||||
if (trafficJObject?.spec?.backends) {
|
||||
trafficJObject.spec.backends.forEach((s) => {
|
||||
if (
|
||||
s.service ===
|
||||
canaryDeploymentHelper.getCanaryResourceName(
|
||||
name
|
||||
) &&
|
||||
s.weight === '1000m'
|
||||
) {
|
||||
core.debug('Update traffic objcet not required')
|
||||
updateTrafficObject = false
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
if (updateTrafficObject) {
|
||||
core.debug(
|
||||
'Stable service object present so updating the traffic object for service: ' +
|
||||
name
|
||||
)
|
||||
trafficObjectsList.push(
|
||||
updateTrafficSplitObject(kubectl, name)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const manifestFiles = fileHelper.writeObjectsToFile(newObjectsList)
|
||||
manifestFiles.push(...trafficObjectsList)
|
||||
const forceDeployment = core.getInput('force').toLowerCase() === 'true'
|
||||
|
||||
const result = await kubectl.apply(manifestFiles, forceDeployment)
|
||||
checkForErrors([result])
|
||||
}
|
||||
|
||||
export async function redirectTrafficToCanaryDeployment(
|
||||
kubectl: Kubectl,
|
||||
manifestFilePaths: string[]
|
||||
) {
|
||||
await adjustTraffic(kubectl, manifestFilePaths, 0, 1000)
|
||||
}
|
||||
|
||||
export async function redirectTrafficToStableDeployment(
|
||||
kubectl: Kubectl,
|
||||
manifestFilePaths: string[]
|
||||
) {
|
||||
await adjustTraffic(kubectl, manifestFilePaths, 1000, 0)
|
||||
}
|
||||
|
||||
async function adjustTraffic(
|
||||
kubectl: Kubectl,
|
||||
manifestFilePaths: string[],
|
||||
stableWeight: number,
|
||||
canaryWeight: number
|
||||
) {
|
||||
if (!manifestFilePaths || manifestFilePaths?.length == 0) {
|
||||
return
|
||||
}
|
||||
|
||||
const trafficSplitManifests = []
|
||||
for (const filePath of manifestFilePaths) {
|
||||
const fileContents = fs.readFileSync(filePath).toString()
|
||||
const parsedYaml = yaml.safeLoadAll(fileContents)
|
||||
for (const inputObject of parsedYaml) {
|
||||
const name = inputObject.metadata.name
|
||||
const kind = inputObject.kind
|
||||
|
||||
if (isServiceEntity(kind)) {
|
||||
trafficSplitManifests.push(
|
||||
await createTrafficSplitManifestFile(
|
||||
kubectl,
|
||||
name,
|
||||
stableWeight,
|
||||
0,
|
||||
canaryWeight
|
||||
)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (trafficSplitManifests.length <= 0) {
|
||||
return
|
||||
}
|
||||
|
||||
const forceDeployment = core.getInput('force').toLowerCase() === 'true'
|
||||
const result = await kubectl.apply(trafficSplitManifests, forceDeployment)
|
||||
checkForErrors([result])
|
||||
}
|
||||
|
||||
async function updateTrafficSplitObject(
|
||||
kubectl: Kubectl,
|
||||
serviceName: string
|
||||
): Promise<string> {
|
||||
const percentage = parseInt(core.getInput('percentage'))
|
||||
if (percentage < 0 || percentage > 100)
|
||||
throw Error('Percentage must be between 0 and 100')
|
||||
|
||||
const percentageWithMuliplier = percentage * 10
|
||||
const baselineAndCanaryWeight = percentageWithMuliplier / 2
|
||||
const stableDeploymentWeight = 1000 - percentageWithMuliplier
|
||||
|
||||
core.debug(
|
||||
'Creating the traffic object with canary weight: ' +
|
||||
baselineAndCanaryWeight +
|
||||
',baseling weight: ' +
|
||||
baselineAndCanaryWeight +
|
||||
',stable: ' +
|
||||
stableDeploymentWeight
|
||||
)
|
||||
return await createTrafficSplitManifestFile(
|
||||
kubectl,
|
||||
serviceName,
|
||||
stableDeploymentWeight,
|
||||
baselineAndCanaryWeight,
|
||||
baselineAndCanaryWeight
|
||||
)
|
||||
}
|
||||
|
||||
async function createTrafficSplitManifestFile(
|
||||
kubectl: Kubectl,
|
||||
serviceName: string,
|
||||
stableWeight: number,
|
||||
baselineWeight: number,
|
||||
canaryWeight: number
|
||||
): Promise<string> {
|
||||
const smiObjectString = await getTrafficSplitObject(
|
||||
kubectl,
|
||||
serviceName,
|
||||
stableWeight,
|
||||
baselineWeight,
|
||||
canaryWeight
|
||||
)
|
||||
const manifestFile = fileHelper.writeManifestToFile(
|
||||
smiObjectString,
|
||||
TRAFFIC_SPLIT_OBJECT,
|
||||
serviceName
|
||||
)
|
||||
|
||||
if (!manifestFile) {
|
||||
throw new Error('Unable to create traffic split manifest file')
|
||||
}
|
||||
|
||||
return manifestFile
|
||||
}
|
||||
|
||||
let trafficSplitAPIVersion = ''
|
||||
|
||||
async function getTrafficSplitObject(
|
||||
kubectl: Kubectl,
|
||||
name: string,
|
||||
stableWeight: number,
|
||||
baselineWeight: number,
|
||||
canaryWeight: number
|
||||
): Promise<string> {
|
||||
// cached version
|
||||
if (!trafficSplitAPIVersion) {
|
||||
trafficSplitAPIVersion = await kubectlUtils.getTrafficSplitAPIVersion(
|
||||
kubectl
|
||||
)
|
||||
}
|
||||
|
||||
return JSON.stringify({
|
||||
apiVersion: trafficSplitAPIVersion,
|
||||
kind: 'TrafficSplit',
|
||||
metadata: {
|
||||
name: getTrafficSplitResourceName(name)
|
||||
},
|
||||
spec: {
|
||||
backends: [
|
||||
{
|
||||
service: canaryDeploymentHelper.getStableResourceName(name),
|
||||
weight: stableWeight
|
||||
},
|
||||
{
|
||||
service: canaryDeploymentHelper.getBaselineResourceName(name),
|
||||
weight: baselineWeight
|
||||
},
|
||||
{
|
||||
service: canaryDeploymentHelper.getCanaryResourceName(name),
|
||||
weight: canaryWeight
|
||||
}
|
||||
],
|
||||
service: name
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function getTrafficSplitResourceName(name: string) {
|
||||
return name + TRAFFIC_SPLIT_OBJECT_NAME_SUFFIX
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user