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An idiomatic C++ client library for Cloud Composer, a service that manages Apache Airflow environments on Google Cloud Platform.
While this library is GA, please note Google Cloud C++ client libraries do not follow Semantic Versioning.
QuickstartThe following shows the code that you'll run in the google/cloud/composer/quickstart/ directory, which should give you a taste of the Cloud Composer C++ client library API.
#include "google/cloud/composer/v1/environments_client.h"
#include "google/cloud/location.h"
#include <iostream>
int main(int argc, char* argv[]) try {
if (argc != 3) {
std::cerr << "Usage: " << argv[0] << " project-id location-id\n";
return 1;
}
auto const location = google::cloud::Location(argv[1], argv[2]);
namespace composer = ::google::cloud::composer_v1;
auto client =
composer::EnvironmentsClient(composer::MakeEnvironmentsConnection());
for (auto e : client.ListEnvironments(location.FullName())) {
if (!e) throw std::move(e).status();
std::cout << e->DebugString() << "\n";
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
This library offers multiple *Client classes, which are listed below. Each one of these classes exposes all the RPCs for a service as member functions of the class. This library groups multiple services because they are part of the same product or are often used together. A typical example may be the administrative and data plane operations for a single product.
The library also has other classes that provide helpers, configuration parameters, and infrastructure to mock the *Client classes when testing your application.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This webpage provides documentation for the Cloud Composer C++ Client Library, which is a GA client library for managing Apache Airflow environments on Google Cloud Platform."],["The library offers multiple `*Client` classes, including `EnvironmentsClient` and `ImageVersionsClient`, which expose all the RPCs for their respective services as member functions."],["The latest release candidate version is 2.37.0-rc, and the page lists available versions, including 2.36.0, 2.35.0, down to 2.11.0."],["The documentation includes information on error handling, overriding the default endpoint and authentication credentials, and configuring retry policies, and also explains the usage of environment variables."],["The library example `ListEnvironments` is shown to demonstrate a quickstart using the `EnvironmentsClient` to interact with Cloud Composer."]]],[]]
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