DevOps = DevOps Principles + DevOps Practices
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Successful, long-lasting movement have a clear manifesto outlining goals and principles. Many DevOps adopters may not be aware of the DevOps Manifesto (created by Jez Humble @jezhumble) nor how successful DevOps requires keeping a clear focus on principles, practices, and value (instead of infrastructure tooling).
DevOps value is derived in the core principles that started the movement:
Teams should analyze existing processes against the principles, and see where DevOps practices can add value.
A few identified DevOps practices include:
- Self-service configuration
- Automated provisioning
- Continuous build
- Continuous integration
- Continuous delivery
- Automated release management
- Incremental testing
DevOps Tool Capabilities
As Mike (@madgreek65) and Abel (G+AbelAvram) mention, teams commonly focus on tools instead of value. DevOps friendly tooling delivers:
- Self service project via project configuration portals
- Policy configuration for Security, service levels, frameworks, usage, topology concerns
- Automated platform provisioning via service tier templates, frameworks, and policy enforcement points (PEP)
- Process automation with Continuous build, test, and deployment. Code promotion and synchronization across environments and servers
- Dependency analysis and impact analysis
For value metrics, break up DevOps goals into foundational, optimal, and transformational categories. For example,
- Time and effort to create new application environment
- Time to redeploy application
- Time to promote application into a new lifecycle phase
- Dynamically right-size infrastructure scale
- Re-use existing platform services and business services from resource pool instead of re-building solution stack
- Time and effort required integrating business process, event processor – creating a complex app.
- Time and effort required to apply policy across tenant(s)
- Cost to operate application per user or transaction
Keep a DevOps Focus
So look beyond adding the cool ‘DevOps Engineer’ title and tool names (i.e. Puppet, Chef, Ansible, and Salt) onto your resume. DevOps is about principles, practices, and creating a collaborative environment that improves software delivery and increases business value. With good information readily available on the Web, and conference series (for example, DevOpDays ) focused on core DevOps principles and practices, you can stay tuned into the DevOps way of thinking!
Published at DZone with permission of Chris Haddad, DZone MVB. See the original article here.
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