async registerAzurestackEnvIfNecessary()

in src/Cli/AzureCliLogin.ts [68:102]
32 lines of code
8 McCabe index (conditional complexity)

    async registerAzurestackEnvIfNecessary() {
        if (this.loginConfig.environment != "azurestack") {
            return;
        }
        if (!this.loginConfig.resourceManagerEndpointUrl) {
            throw new Error("resourceManagerEndpointUrl is a required parameter when environment is defined.");
        }

        core.info(`Unregistering cloud: "${this.loginConfig.environment}" first if it exists`);
        try {
            await this.executeAzCliCommand(["cloud", "set", "-n", "AzureCloud"], true);
            await this.executeAzCliCommand(["cloud", "unregister", "-n", this.loginConfig.environment], false);
        }
        catch (error) {
            core.info(`Ignore cloud not registered error: "${error}"`);
        }

        core.info(`Registering cloud: "${this.loginConfig.environment}" with ARM endpoint: "${this.loginConfig.resourceManagerEndpointUrl}"`);
        try {
            let baseUri = this.loginConfig.resourceManagerEndpointUrl;
            if (baseUri.endsWith('/')) {
                baseUri = baseUri.substring(0, baseUri.length - 1); // need to remove trailing / from resourceManagerEndpointUrl to correctly derive suffixes below
            }
            let suffixKeyvault = ".vault" + baseUri.substring(baseUri.indexOf('.')); // keyvault suffix starts with .
            let suffixStorage = baseUri.substring(baseUri.indexOf('.') + 1); // storage suffix starts without .
            let profileVersion = "2019-03-01-hybrid";
            await this.executeAzCliCommand(["cloud", "register", "-n", this.loginConfig.environment, "--endpoint-resource-manager", this.loginConfig.resourceManagerEndpointUrl, "--suffix-keyvault-dns", suffixKeyvault, "--suffix-storage-endpoint", suffixStorage, "--profile", profileVersion], false);
        }
        catch (error) {
            core.error(`Error while trying to register cloud "${this.loginConfig.environment}"`);
            throw error;
        }

        core.info(`Done registering cloud: "${this.loginConfig.environment}"`)
    }