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corbin-pdxdevops-nixops.lyx
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#LyX 2.1 created this file. For more info see http://www.lyx.org/
\lyxformat 474
\begin_document
\begin_header
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\begin_body
\begin_layout Title
NixOps is Pretty Cool
\end_layout
\begin_layout Author
Corbin Simpson
\end_layout
\begin_layout Date
February 24, 2016
\end_layout
\begin_layout Slide
What's Nix?
\end_layout
\begin_layout Itemize
A build system
\end_layout
\begin_layout Itemize
A package manager
\end_layout
\begin_layout Itemize
A Linux distribution
\end_layout
\begin_layout Itemize
A continuous integration system
\end_layout
\begin_layout Itemize
An orchestration system
\end_layout
\begin_layout Slide
The Nix Language
\end_layout
\begin_layout Itemize
Strength through purity
\end_layout
\begin_layout Itemize
Principle of Least Authority (POLA)
\end_layout
\begin_layout Itemize
All builds are fully reproducible; all artifacts (
\begin_inset Quotes eld
\end_inset
derivations
\begin_inset Quotes erd
\end_inset
) have integrity checks
\end_layout
\begin_layout Itemize
Full environment isolation: One Nix store can host many different versions
of packages
\end_layout
\begin_layout Itemize
The language itself is idiosyncratic
\end_layout
\begin_layout Slide
nixpkgs
\end_layout
\begin_layout Itemize
Large MIT-licensed ports-style repository of Nix expressions
\end_layout
\begin_layout Itemize
Around 30,000 packages total
\end_layout
\begin_layout Itemize
Supported by custom tooling (pypi2nix, cabal2nix, cpan2nix, npm2nix, etc.)
\end_layout
\begin_layout Slide
NixOS
\end_layout
\begin_layout Itemize
Nix is the only package manager on the system
\end_layout
\begin_layout Itemize
Fully declarative package management
\end_layout
\begin_layout Itemize
Per-user package profiles and environments; users can install packages without
elevated privileges
\end_layout
\begin_layout Itemize
Atomic system state changes; all upgrades are atomic and can be rolled back
\end_layout
\begin_layout Slide
Hydra
\end_layout
\begin_layout Itemize
Continuous integration technology designed for Nix
\end_layout
\begin_layout Itemize
Simple design: Assemble Nix expressions and evaluate them, generating all
of the build artifacts as Nix derivations
\end_layout
\begin_layout Itemize
Can be used as binary package and metatdata cache (
\begin_inset Quotes eld
\end_inset
channel
\begin_inset Quotes erd
\end_inset
)
\end_layout
\begin_layout Slide
NixOps
\end_layout
\begin_layout Itemize
Describe a fleet of machines using Nix expressions
\end_layout
\begin_layout Itemize
Orchestrate deployments
\end_layout
\begin_layout Itemize
Orchestrated machines all run NixOS
\end_layout
\begin_layout Itemize
Supports development and production deployment targets
\end_layout
\begin_layout Slide
Obligatory Image Macro Slide
\end_layout
\begin_layout Standard
\begin_inset Graphics
filename /home/simpson/nix-talk/seventh.png
width 100line%
\end_inset
\end_layout
\begin_layout Slide
Questions?
\end_layout
\begin_layout Standard
Thanks!
\end_layout
\begin_layout EndSlide
\end_layout
\end_body
\end_document