@atomist/sdm
Version:
Atomist Software Delivery Machine SDK
119 lines • 4.23 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.ingressTemplate = exports.upsertIngress = 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` and `req.path` are truthy, create or patch an ingress
* for a Kubernetes application. Any provided `req.ingressSpec` is
* merged using [[ingressTemplate]] before creating/patching.
*
* @param req Kuberenetes resource request
* @return Kubernetes spec used to create/patch resource
*/
async function upsertIngress(req) {
const slug = request_1.appName(req);
if (!req.port) {
logger_1.logger.debug(`Port not provided, will not create ingress ${slug}`);
return undefined;
}
if (!req.path) {
logger_1.logger.debug(`Path not provided, will not upsert ingress ${slug}`);
return undefined;
}
const spec = await ingressTemplate(req);
try {
await req.clients.net.readNamespacedIngress(spec.metadata.name, spec.metadata.namespace);
}
catch (e) {
logger_1.logger.debug(`Failed to read ingress ${slug}, creating: ${error_1.k8sErrMsg(e)}`);
logger_1.logger.info(`Creating ingress ${slug} using '${resource_1.logObject(spec)}'`);
await retry_1.logRetry(() => req.clients.net.createNamespacedIngress(spec.metadata.namespace, spec), `create ingress ${slug}`);
return spec;
}
logger_1.logger.info(`Ingress ${slug} exists, patching using '${resource_1.logObject(spec)}'`);
await retry_1.logRetry(() => req.clients.net.patchNamespacedIngress(spec.metadata.name, spec.metadata.namespace, spec, undefined, undefined, undefined, undefined, patch_1.patchHeaders(req)), `patch ingress ${slug}`);
return spec;
}
exports.upsertIngress = upsertIngress;
/**
* Create an ingress HTTP path.
*
* @param req ingress request
* @return ingress HTTP path
*/
function httpIngressPath(req) {
const httpPath = {
path: req.path,
backend: {
serviceName: req.name,
servicePort: "http",
},
};
return httpPath;
}
/**
* Create the ingress for a deployment namespace. If the
* request has an `ingressSpec`, it is merged into the spec created
* by this function using `lodash.merge(default, req.ingressSpec)`.
*
* It is possible to override the ingress name using the
* [[KubernetesApplication.ingressSpec]]. If you do this, make sure
* you know what you are doing.
*
* @param req Kubernestes application
* @return ingress spec with single rule
*/
async function ingressTemplate(req) {
const labels = labels_1.applicationLabels(req);
const metadata = metadata_1.metadataTemplate({
name: req.name,
namespace: req.ns,
labels,
});
const httpPath = httpIngressPath(req);
const rule = {
http: {
paths: [httpPath],
},
};
const apiVersion = "networking.k8s.io/v1beta1";
const kind = "Ingress";
const i = {
apiVersion,
kind,
metadata,
spec: {
rules: [rule],
},
};
if (req.ingressSpec) {
_.merge(i, req.ingressSpec, { apiVersion, kind });
i.metadata.namespace = req.ns;
}
return i;
}
exports.ingressTemplate = ingressTemplate;
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