infinitely blocked in metrics.count with gitlab

What is Unleash?

Unleash is a powerful open source solution for feature management. It streamlines your development workflow, accelerates software delivery, and empowers teams to control how and when they roll out new features to end users. With Unleash, you can deploy code to production in smaller, more manageable releases at your own pace.

Feature flags in Unleash let you test your code with real production data, reducing the risk of negatively impacting your users' experience. It also enables your team to work on multiple features simultaneously without the need for separate feature branches.

Unleash is the most popular open source solution for feature flagging on GitHub. It supports 15 official client and server SDKs and over 15 community SDKs. You can even create your own SDK if you wish. Unleash is compatible with any language and framework.

Getting Started with Unleash

1. Setting Up Unleash

To get started with Unleash, you need git and docker installed on your machine.

Execute the following commands:

git clone [email protected]:Unleash/unleash.git
cd unleash
docker compose up -d

Then point your browser to localhost:4242 and log in using:

username: admin
password: unleash4all

If you'd rather run the source code in this repo directly via Node.js, see the step-by-step instructions to get up and running in the contributing guide.

2. Connect your SDK

Find your preferred SDK in our list of official SDKs and import it into your project. Follow the setup guides for your specific SDK.

If you use the docker compose file from the previous step, here's the configuration details you'll need to get going:

For front-end SDKs, use:
- URL: http://localhost:4242/api/frontend/
- clientKey: default:development.unleash-insecure-frontend-api-token
For server-side SDKs, use:
- Unleash API URL: http://localhost:4242/api/
- API token: default:development.unleash-insecure-api-token

If you use a different setup, your configuration details will most likely also be different.

Check a feature flag

Checking the state of a feature flag in your code is easy! The syntax will vary depending on your language, but all you need is a simple function call to check whether a flag is available. Here's how it might look in Java:

if (unleash.isEnabled("AwesomeFeature")) {
  // do new, flashy thing
} else {
  // do old, boring stuff
}

Run Unleash on a service?

If you don't want to run Unleash locally, we also provide easy deployment setups for Heroku and Digital Ocean:

Configure and run Unleash anywhere

The above sections show you how to get up and running quickly and easily. When you're ready to start configuring and customizing Unleash for your own environment, check out the documentation for getting started with self-managed deployments, Unleash configuration options, or running Unleash locally via docker.

Online demo

Try out the Unleash online demo.

Community and help — sharing is caring

We know that learning a new tool can be hard and time-consuming. We have a growing community that loves to help out. Please don't hesitate to reach out for help.

💬 Join Unleash on Slack if you want ask open questions about Unleash, feature toggling or discuss these topics in general.

💻 Create a GitHub issue if you have found a bug or have ideas on how to improve Unleash.

📚 Visit the documentation for more in-depth descriptions, how-to guides, and more.

📖 Learn more about the principles of building and scaling feature flag solutions.

Contribute to Unleash

Unleash is the largest open source feature flag solution on GitHub. Building Unleash is a collaborative effort, and we owe a lot of gratitude to many smart and talented individuals. Building it together with the community ensures that we build a product that solves real problems for real people. We'd love to have your help too: Please feel free to open issues or provide pull requests.

Check out the CONTRIBUTING.md file for contribution guidelines and the Unleash developer guide for tips on environment setup, running the tests, and running Unleash from source.

Contributors

Features our users love

Flexibility and adaptability

Get an easy overview of all feature flags across all your environments, applications and services
Use included activation strategies for most common use cases, or use a custom activation strategy to support any need you might have
Organise feature flags by feature flag tags
Canary releases / gradual rollouts
Targeted releases: release features to specific users, IPs, or hostnames
Kill switches
A/B testing
2 environments
Out-of-the-box integrations with popular tools (Slack, Microsoft Teams, Datadog) + integrate with anything with webhooks
Dashboard for managing technical debt and stale flags
API-first: everything can be automated. No exceptions.
12 official client SDKs, and ten community-contributed client SDKs
Run it via Docker with the official Docker image or as a pure Node.js application

Security and performance

Privacy by design (GDPR and Schrems II). End-user data never leaves your application.
Audit logs
Enforce OWASP's secure headers via the strict HTTPS-only mode
Flexible hosting options: host it on premise or in the cloud (any cloud)
Scale the Unleash Proxy independently of the Unleash server to support any number of front-end clients without overloading your Unleash instance

Looking for more features?

If you're looking for one of the following features, please take a look at our Pro and Enterprise plans:

role-based access control (RBAC)
single sign-on (SSO)
more environments
feature flags project support
advanced segmentation
additional strategy constraints
tighter security
more hosting options (we can even host it for you!)

Architecture

Read more in the system overview section of the Unleash documentation.

Unleash SDKs

To connect your application to Unleash you'll need to use a client SDK for your programming language.

Official server-side SDKs:

Official front-end SDKs:

The front-end SDKs connects via the Unleash Proxy in order to ensure privacy, scalability and security.

Community SDKs:

If none of the official SDKs fit your need, there's also a number of community-developed SDKs where you might find an implementation for your preferred language (such as Elixir, Dart, Clojure, and more).

Users of Unleash

Unleash is trusted by thousands of companies all over the world.

Proud Open-Source users: (send us a message if you want to add your logo here)

Migration guides

Unleash has evolved significantly over the past few years, and we know how hard it can be to keep software up to date. If you're using the current major version, upgrading shouldn't be an issue. If you're on a previous major version, check out the Unleash migration guide!

Want to know more about Unleash?

Videos and podcasts

Articles and more

The Unleash Blog
Designing the Rust Unleash API client — Medium
FeatureToggle by Martin Fowler
Feature toggling transient errors in load tests — nrkbeta
An Interview with Ivar of Unleash — Console
Unleash your features gradually, slideshow/presentation by Ivar, the creator of Unleash

	type defaultStorage struct {
	appName string
	path string
	data map[string]interface{}
	}

	func (ds *defaultStorage) Load() error {
	if file, err := os.Open(ds.path); err != nil {
	return err
	} else {
	dec := json.NewDecoder(file)
	if err := dec.Decode(&ds.data); err != nil {
	return err
	}
	}
	return nil
	}

	func (r repository) getToggle(key string) api.Feature {
	r.RLock()
	defer r.RUnlock()

	if toggle, found := r.options.storage.Get(key); found {
	if feature, ok := toggle.(api.Feature); ok {
	return &feature
	}
	}
	return nil
	}

	if resp.StatusCode == http.StatusNotFound {
	m.warn(fmt.Errorf("%s return 404, stopping metrics", u.String()))
	m.stop()
	return
	}

	case <-m.timer.C:
	m.sendMetrics()
	case <-m.stopped:
	m.options.disableMetrics = true
	return
	}

	if uc.options.listener != nil {
	if eListener, ok := uc.options.listener.(ErrorListener); ok {
	uc.errorListener = eListener
	}
	if rListener, ok := uc.options.listener.(RepositoryListener); ok {
	uc.repositoryListener = rListener
	}
	if mListener, ok := uc.options.listener.(MetricListener); ok {
	uc.metricsListener = mListener
	}
	defer func() {
	go uc.sync()
	}()
	}

	metricsOptions{
	appName: uc.options.appName,
	instanceId: uc.options.instanceId,
	strategies: strategyNames,
	metricsInterval: uc.options.metricsInterval,
	url: *parsedUrl,
	httpClient: uc.options.httpClient,
	customHeaders: uc.options.customHeaders,
	},

	if m.options.disableMetrics {
	return
	}

	m.timer = time.NewTimer(m.options.metricsInterval)

	if m.options.metricsInterval > 0 {
	m.startTimer()
	m.registerInstance()
	go m.sync()
	}

unleash / unleash-client-go Goto Github PK

unleash-client-go's Introduction

What is Unleash?

Getting Started with Unleash

1. Setting Up Unleash

2. Connect your SDK

Check a feature flag

Run Unleash on a service?

Configure and run Unleash anywhere

Online demo

Community and help — sharing is caring

Contribute to Unleash

Contributors

Features our users love

Flexibility and adaptability

Security and performance

Looking for more features?

Architecture

Unleash SDKs

Users of Unleash

Migration guides

Want to know more about Unleash?

Videos and podcasts

Articles and more

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