Application Automation with Habitat
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Transcript of Application Automation with Habitat
![Page 1: Application Automation with Habitat](https://reader036.fdocuments.in/reader036/viewer/2022062903/58ce758b1a28abdc578b66c7/html5/thumbnails/1.jpg)
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©2016 Chef Software Inc. 1-2
Modern Applications
SourceCodeRepo
Artifact
Bare MetalContainers
AMIVM
Artifact Repo
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©2016 Chef Software Inc. 1-3
Immutable Infrastructure
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©2016 Chef Software Inc. 1-4
Immutable Infrastructure Applications
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©2016 Chef Software Inc. 1-5
Dependencies!
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©2016 Chef Software Inc. 1-6
Packaging and Deployment
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BuildDeployManage
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Starts with a plan
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©2016 Chef Software Inc.
Simple, native, and declaritive
pkg_name=redispkg_origin=corepkg_version=3.0.7pkg_license=('BSD')pkg_maintainer="The Habitat Maintainers <[email protected]>"pkg_source=http://download.redis.io/releases/${pkg_name}-${pkg_version}.tar.gzpkg_shasum=b2a791c4ea3bb7268795c45c6321ea5abcc24457178373e6a6e3be6372737f23pkg_bin_dirs=(bin)pkg_build_deps=(core/make core/gcc)pkg_deps=(core/glibc)pkg_svc_run="bin/redis-server $pkg_svc_config_path/redis.config"pkg_expose=(6379)
do_build() { make}
plan.sh
Low abstraction
Complete dependencies
Declare services
Simple functions
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Clean room environmentSafe by default
Installs dependences
Built in a studio
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Central locationPublicly hosted
Lightweight views
Stored in a depot
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Easy patternShortcuts
Increasing specificity
Installed by hab
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Binaries and ConfigMetadata
Side-by-side
Packages on disk
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DockerACI
Mesosphere
Post-process packages
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Run on any 64-bit LinuxEasily support proprietary software
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Installs automaticallyKeeps things running
Manages configuration
Supervisor runs services
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Print config options12-Factor style
Externally enforced
Environment configuration
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More flexible than environmentUniversal location
Externally enforced
File configuration
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Supervisors form a ring
Peers
Service Groups
Gossip
Availability increases with
scale
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Supervisors support topologies
Dynamic configuration
Service group level
Uses the ring
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Supervisors provide update strategies
Topology aware
Tracks views in the depot
Ideal for Continuous
Delivery
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Supervisors provide a REST API
External Actors
Health and Status
Supervisor Debugging
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Automation travels with the application
Existing & Cloud Native Software
Application Automation
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It’s all open source
Apache License
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https://www.habitat.sh/community/