@adastradev/serverless-discovery-sdk
Version:
Serverless Service Discovery API
151 lines (150 loc) • 8.64 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.DiscoverySdk = void 0;
var astra_logger_1 = require("@adastradev/astra-logger");
var DiscoveryServiceApi_1 = require("./DiscoveryServiceApi");
/* eslint-disable @typescript-eslint/no-unsafe-assignment */
/* eslint-disable @typescript-eslint/no-unsafe-call */
/* eslint-disable @typescript-eslint/no-unsafe-member-access */
/* eslint-disable @typescript-eslint/no-unsafe-return */
var DiscoverySdk = /** @class */ (function () {
function DiscoverySdk(serviceEndpointUri, region, defaultStageName, lookupVersionPostfix, cloudDeps) {
this.cloudDependencies = new Map();
this.api = new DiscoveryServiceApi_1.DiscoveryServiceApi(serviceEndpointUri, region || 'us-east-1', { type: 'None' });
// TODO: attempt to look up stage name from an environment variable
this.defaultStageName = defaultStageName;
// If the provided lookupVersionPostfix is undefined, try to find it in an environment variable.
if (!lookupVersionPostfix) {
lookupVersionPostfix = process.env.VERSION_POSTFIX;
}
this.lookupVersionPostfix = lookupVersionPostfix;
if (cloudDeps) {
this.cloudDependencies = cloudDeps;
}
}
Object.defineProperty(DiscoverySdk.prototype, "cloudDependencyNames", {
get: function () {
return Array.from(this.cloudDependencies.keys());
},
enumerable: false,
configurable: true
});
DiscoverySdk.prototype.getDependency = function (name) {
return this.cloudDependencies.get(name);
};
DiscoverySdk.prototype.lookupService = function (serviceName, stageName, version, externalID, shouldInvalidateCache) {
return __awaiter(this, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// If version hasn't been specified, try to find one from the cloudDependencies
if (!version) {
version = this.cloudDependencies.get(serviceName);
}
// Only use the default stageName if other filters are not provided
if (!stageName && !version && !externalID) {
stageName = this.defaultStageName;
}
// Using a stageName with version or externalID is not compatible
if (stageName && (version || externalID)) {
throw new Error('Providing a stageName along with version or externalID is not compatible');
}
if (version && this.lookupVersionPostfix) {
version += this.lookupVersionPostfix;
}
if (!externalID) {
externalID = '';
}
return [4 /*yield*/, this.api.lookupService(serviceName, stageName, version, externalID, shouldInvalidateCache)];
case 1:
result = _a.sent();
return [2 /*return*/, result.data.map(function (item) { return item.ServiceURL; })];
}
});
});
};
DiscoverySdk.prototype.checkIsCurrentVersion = function (service, configVersion, shouldInvalidateCache) {
return __awaiter(this, void 0, void 0, function () {
var URI, versionSpec, latestVer, retVal, err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!!configVersion.includes('-')) return [3 /*break*/, 5];
versionSpec = configVersion.split('.')[0] + '.x';
latestVer = void 0;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this.api.lookupService(service, undefined, versionSpec, undefined, shouldInvalidateCache)];
case 2:
retVal = _a.sent();
if (retVal && Array.isArray(retVal.data) && retVal.data.length > 0) {
latestVer = retVal.data[0].Version;
URI = retVal.data[0].ServiceURL;
astra_logger_1.default.info("discovery service reports version ".concat(latestVer, " for service ").concat(service));
}
return [3 /*break*/, 4];
case 3:
err_1 = _a.sent();
astra_logger_1.default.error("discovery failure for ".concat(service, " ").concat(versionSpec), err_1);
return [2 /*return*/, {
isLatest: false
}];
case 4:
// check returned version against this configVersion.
// if no results, allow to proceed. Is this the best way to handle?
if (latestVer !== configVersion) {
// no match or no latest version returned, throw/return error result
astra_logger_1.default.info("discovery service reports version ".concat(latestVer, " which doesn't match this services version ").concat(configVersion));
return [2 /*return*/, {
URI: URI,
isLatest: false,
currentVersion: latestVer
}];
}
_a.label = 5;
case 5: return [2 /*return*/, { isLatest: true, currentVersion: configVersion, URI: URI }];
}
});
});
};
return DiscoverySdk;
}());
exports.DiscoverySdk = DiscoverySdk;