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Fix: handle possible null reference in k8s gateway api (#4752)
Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>
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@ -14,25 +14,29 @@ import * as shvl from "utils/config/shvl";
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const logger = createLogger("resource-helpers");
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const kc = getKubeConfig();
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const getSchemaFromGateway = async (gatewayRef) => {
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const getSchemaFromGateway = async (parentRef) => {
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const crd = kc.makeApiClient(CustomObjectsApi);
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const schema = await crd
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.getNamespacedCustomObject({
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group: HTTPROUTE_API_GROUP,
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version: HTTPROUTE_API_VERSION,
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namespace: gatewayRef.namespace,
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namespace: parentRef.namespace,
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plural: "gateways",
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name: gatewayRef.name,
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name: parentRef.name,
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})
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.then((response) => {
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const listner = response.spec.listeners.filter((listener) => listener.name === gatewayRef.sectionName)[0];
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return listner.protocol.toLowerCase();
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const listener =
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response.spec.listeners.find((l) => l.name === parentRef.sectionName) ?? response.spec.listeners[0];
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return listener.protocol.toLowerCase();
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})
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.catch((error) => {
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logger.error("Error getting gateways: %d %s %s", error.statusCode, error.body, error.response);
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logger.debug(error);
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return "";
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return "http";
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});
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return schema;
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};
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@ -44,10 +48,11 @@ async function getUrlFromHttpRoute(resource) {
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if (resource.spec.rules[0].matches[0].path.type !== "RegularExpression") {
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const urlHost = resource.spec.hostnames[0];
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const urlPath = resource.spec.rules[0].matches[0].path.value;
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const urlSchema = (await getSchemaFromGateway(resource.spec.parentRefs[0])) ? "https" : "http";
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const urlSchema = await getSchemaFromGateway(resource.spec.parentRefs[0]);
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url = `${urlSchema}://${urlHost}${urlPath}`;
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}
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}
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return url;
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}
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@ -55,6 +60,7 @@ function getUrlFromIngress(resource) {
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const urlHost = resource.spec.rules[0].host;
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const urlPath = resource.spec.rules[0].http.paths[0].path;
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const urlSchema = resource.spec.tls ? "https" : "http";
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return `${urlSchema}://${urlHost}${urlPath}`;
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}
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@ -66,6 +72,7 @@ async function getUrlSchema(resource) {
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} else {
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urlSchema = getUrlFromIngress(resource);
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}
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return urlSchema;
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}
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