consul

command module
Version: v0.8.3 Latest Latest
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Published: May 12, 2017 License: MPL-2.0 Imports: 12 Imported by: 0

README

Consul Build Status

Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.

Consul provides several key features:

  • Service Discovery - Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. External services such as SaaS providers can be registered as well.

  • Health Checking - Health Checking enables Consul to quickly alert operators about any issues in a cluster. The integration with service discovery prevents routing traffic to unhealthy hosts and enables service level circuit breakers.

  • Key/Value Storage - A flexible key/value store enables storing dynamic configuration, feature flagging, coordination, leader election and more. The simple HTTP API makes it easy to use anywhere.

  • Multi-Datacenter - Consul is built to be datacenter aware, and can support any number of regions without complex configuration.

Consul runs on Linux, Mac OS X, FreeBSD, Solaris, and Windows.

Quick Start

An extensive quick start is viewable on the Consul website:

https://www.consul.io/intro/getting-started/install.html

Documentation

Full, comprehensive documentation is viewable on the Consul website:

https://www.consul.io/docs

Developing Consul

If you wish to work on Consul itself, you'll first need Go installed (version 1.8+ is required). Make sure you have Go properly installed, including setting up your GOPATH.

Next, clone this repository into $GOPATH/src/github.com/hashicorp/consul and then just type make. In a few moments, you'll have a working consul executable:

$ make
...
$ bin/consul
...

Note: make will also place a copy of the binary in the first part of your $GOPATH.

You can run tests by typing make test.

If you make any changes to the code, run make format in order to automatically format the code according to Go standards.

Building Consul on Windows

Make sure Go 1.8+ is installed on your system and that the Go command is in your %PATH%.

For building Consul on Windows, you also need to have MinGW installed. TDM-GCC is a simple bundle installer which has all the required tools for building Consul with MinGW.

Install TDM-GCC and make sure it has been added to your %PATH%.

If all goes well, you should be able to build Consul by running make.bat from a command prompt.

See also golang/winstrap and golang/wiki/WindowsBuild for more information of how to set up a general Go build environment on Windows with MinGW.

Vendoring

Consul currently uses govendor for vendoring.

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis
The /v1/operator/area endpoints are available only in Consul Enterprise and interact with its network area subsystem.
The /v1/operator/area endpoints are available only in Consul Enterprise and interact with its network area subsystem.
The snapshot endpoint is a special non-RPC endpoint that supports streaming for taking and restoring snapshots for disaster recovery.
The snapshot endpoint is a special non-RPC endpoint that supports streaming for taking and restoring snapshots for disaster recovery.
agent
Package agent provides a logical endpoint for Consul agents in the network.
Package agent provides a logical endpoint for Consul agents in the network.
servers
Package servers provides a Manager interface for Manager managed agent.Server objects.
Package servers provides a Manager interface for Manager managed agent.Server objects.
The archive utilities manage the internal format of a snapshot, which is a tar file with the following contents: meta.json - JSON-encoded snapshot metadata from Raft state.bin - Encoded snapshot data from Raft SHA256SUMS - SHA-256 sums of the above two files The integrity information is automatically created and checked, and a failure there just looks like an error to the caller.
The archive utilities manage the internal format of a snapshot, which is a tar file with the following contents: meta.json - JSON-encoded snapshot metadata from Raft state.bin - Encoded snapshot data from Raft SHA256SUMS - SHA-256 sums of the above two files The integrity information is automatically created and checked, and a failure there just looks like an error to the caller.
retry
Package retry provides support for repeating operations in tests.
Package retry provides support for repeating operations in tests.

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