@atomist/sdm
Version:
Atomist Software Delivery Machine SDK
102 lines • 3.95 kB
JavaScript
;
/*
* Copyright © 2020 Atomist, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.serviceTemplate = exports.upsertService = void 0;
const logger_1 = require("@atomist/automation-client/lib/util/logger");
const _ = require("lodash");
const error_1 = require("../support/error");
const retry_1 = require("../support/retry");
const labels_1 = require("./labels");
const metadata_1 = require("./metadata");
const patch_1 = require("./patch");
const request_1 = require("./request");
const resource_1 = require("./resource");
/**
* If `req.port` is truthy, create a service if it does not exist and
* patch it if it does. Any provided `req.serviceSpec` is merged
* using [[serviceTemplate]] before creating/patching.
*
* @param req Kuberenetes application request
* @return Kubernetes resource spec used to create/patch resource, or undefined if port not defined
*/
async function upsertService(req) {
const slug = request_1.appName(req);
if (!req.port) {
logger_1.logger.debug(`Port not provided, will not create service ${slug}`);
return undefined;
}
const spec = await serviceTemplate(req);
try {
await req.clients.core.readNamespacedService(spec.metadata.name, spec.metadata.namespace);
}
catch (e) {
logger_1.logger.debug(`Failed to read service ${slug}, creating: ${error_1.k8sErrMsg(e)}`);
logger_1.logger.info(`Creating service ${slug} using '${resource_1.logObject(spec)}'`);
await retry_1.logRetry(() => req.clients.core.createNamespacedService(spec.metadata.namespace, spec), `create service ${slug}`);
return spec;
}
logger_1.logger.info(`Service ${slug} exists, patching using '${resource_1.logObject(spec)}'`);
await retry_1.logRetry(() => req.clients.core.patchNamespacedService(spec.metadata.name, spec.metadata.namespace, spec, undefined, undefined, undefined, undefined, patch_1.patchHeaders(req)), `patch service ${slug}`);
return spec;
}
exports.upsertService = upsertService;
/**
* Create service spec to front a Kubernetes application. If the
* request has a `serviceSpec`, it is merged into the spec created
* by this function using `lodash.merge(default, req.serviceSpec)`.
*
* It is possible to override the service name using the
* [[KubernetesApplication.serviceSpec]]. If you do this, make sure
* you know what you are doing.
*
* @param req service template request
* @return service resource specification
*/
async function serviceTemplate(req) {
const labels = labels_1.applicationLabels(req);
const matchers = labels_1.matchLabels(req);
const metadata = metadata_1.metadataTemplate({
name: req.name,
namespace: req.ns,
labels,
});
const apiVersion = "v1";
const kind = "Service";
const s = {
apiVersion,
kind,
metadata,
spec: {
ports: [
{
name: "http",
port: req.port,
targetPort: "http",
},
],
selector: matchers,
type: "NodePort",
},
};
if (req.serviceSpec) {
_.merge(s, req.serviceSpec, { apiVersion, kind });
s.metadata.namespace = req.ns;
}
return s;
}
exports.serviceTemplate = serviceTemplate;
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