Consul vs Jenkins: What are the differences?
What is Consul? A tool for service discovery, monitoring and configuration. Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
What is Jenkins? An extendable open source continuous integration server. In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it provides over 300 plugins to support building and testing virtually any project.
Consul and Jenkins are primarily classified as "Open Source Service Discovery" and "Continuous Integration" tools respectively.
Some of the features offered by Consul are:
- 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.
On the other hand, Jenkins provides the following key features:
- Easy installation
- Easy configuration
- Change set support
"Great service discovery infrastructure" is the top reason why over 49 developers like Consul, while over 497 developers mention "Hosted internally" as the leading cause for choosing Jenkins.
Consul and Jenkins are both open source tools. Consul with 16.2K GitHub stars and 2.82K forks on GitHub appears to be more popular than Jenkins with 13.2K GitHub stars and 5.43K GitHub forks.
According to the StackShare community, Jenkins has a broader approval, being mentioned in 1753 company stacks & 1479 developers stacks; compared to Consul, which is listed in 131 company stacks and 52 developer stacks.
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What is Jenkins?
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All of our pull requests are automatically tested using Jenkins' integration with GitHub, and we provision and deploy our servers using Jenkins' interface. This is integrated with HipChat, immediately notifying us if anything goes wrong with a deployment.
Jenkins is our go-to devops automation tool. We use it for automated test builds, all the way up to server updates and deploys. It really helps maintain our homegrown continuous-integration suite. It even does our blue/green deploys.
- Continuous Deploy
- Dev stage: autodeploy by trigger push request from 'develop' branch of Gitlab
- Staging and production stages: Build and rollback quicly with Ansistrano playbook
- Sending messages of job results to Chatwork.
Currently serves as the location that our QA team builds various automated testing jobs.
At one point we were using it for builds, but we ended up migrating away from them to Code Pipelines.
We use Jenkins to schedule our Browser and API Based regression and acceptance tests on a regular bases. We use additionally to Jenkins GitlabCI for unit and component testing.
All our services use Consul for discovery, configuration and cluster management (auto scaling, health monitoring, dynamic reconfiguration, leader elections)