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[TutoNix]mer. juin 26 12:55:28 CEST 2019

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\BOOKMARK [2][]{Outline0.1}{Experimentation From a Software Point of View}{}% 1
\BOOKMARK [2][]{Outline0.2}{Nix}{}% 2
\BOOKMARK [3][]{Outline0.2.1.11}{Expression Language}{Outline0.2}% 3
\BOOKMARK [3][]{Outline0.2.2.13}{Package Manager}{Outline0.2}% 4
\BOOKMARK [2][]{Outline0.3}{Nix Structure}{}% 5
\BOOKMARK [1][]{Outline1}{Appendix}{}% 6
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\beamer@slide {toc<1>}{2}
\beamer@slide {toc}{2}
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...@@ -70,7 +70,7 @@ ...@@ -70,7 +70,7 @@
\setbeamertemplate{footline}[frame number] \setbeamertemplate{footline}[frame number]
\setbeamertemplate{navigation symbols}{} \setbeamertemplate{navigation symbols}{}
\title{\textbf{A Way Toward Reproducible experiment Environment with Nix}} \title{\textbf{A Way Toward Reproducible Experiment Environment with Nix}}
\date{Rennes 2019, \today} \date{Rennes 2019, \today}
\author{ \author{
\underline{Adrien Faure}, Millian Poquet\\ \underline{Adrien Faure}, Millian Poquet\\
...@@ -96,10 +96,6 @@ ...@@ -96,10 +96,6 @@
\titlepage \titlepage
\end{frame} \end{frame}
\begin{frame}[label=toc]{Overview}
\tableofcontents
\end{frame}
\section{Experimentation From a Software Point of View} \section{Experimentation From a Software Point of View}
\begin{frame}{Experimentation Codes} \begin{frame}{Experimentation Codes}
...@@ -145,9 +141,9 @@ The running environment should be explicit: ...@@ -145,9 +141,9 @@ The running environment should be explicit:
\note{ \note{
How(had-hoc script, complex runtime etc), \\ How(had-hoc script, complex runtime etc), \\
Where(your laptop, your old laptop etc) you run you experiment.\\} Where(your laptop, your old laptop etc) you run you experiment.\\}
\item How you did your final data analysis,
\item How the visualisations are constructed.
\item Documenting how to run the experiment.
\note{The input, the running scripts etc \\}
% \item Using literate programming ? % \item Using literate programming ?
\end{itemize} \end{itemize}
\end{frame} \end{frame}
...@@ -171,147 +167,131 @@ The running environment should be explicit: ...@@ -171,147 +167,131 @@ The running environment should be explicit:
\end{frame} \end{frame}
\begin{frame}{What is Nix ?}
\only<1>{%
Nix is a Package Manager with a lot of good properties. \\
% Why for experimentations ?
\vspace{1em}
\begin{itemize}
\item Reproducibility,
\note{Reproducibility of software\\}
% \item Portability,
\note{Run on my laptop, run of g5k\\}
\item Multiple version cohabitations,
% \item Composability,
\note{why\\}
\item Decentralized package repository,
\note{Packages can come from different places, thus you can have yours.\\}
\item Explicit build process,
\note{Every deps need to be stated\\}
\note{The building process is explicit in Nix\\}
\item Define reconstructible software environments,
\note{Build Once, build twice (six month later)\\}
\note{Possibility to describing full software environment\\}
\note{From building environment, to runtime and data analysis.\\}
\item Application portability
\note{build on my laptop, run on g5k}
\end{itemize}
}
% \center\Large\sc The Nix Ecosystem. {\url{https://nixos.org}}
\end{frame}
\begin{frame}{What is Nix ?}
\only<1>{%
Nix is a Package Manager with a lot of good properties. \\
% Why for experimentations ?
\vspace{1em}
\begin{itemize}
\item Reproducibility,
\note{Reproducibility of software\\}
% \item Portability,
\note{Run on my laptop, run of g5k\\}
\item Multiple version cohabitations,
% \item Composability,
\note{why\\}
\item Decentralized package repository.
\note{Packages can come from different places, thus you can have yours.\\}
\item Explicit build process,
\note{Every deps need to be stated\\}
\note{The building process is explicit in Nix\\}
\item Reconstructible environments.
\note{Build Once, build twice (six month later)\\}
\note{Possibility to describing full software environment\\}
\note{From building environment, to runtime and data analysis.\\}
\item Application portability
\note{build on my laptop, run on g5k}
\end{itemize}
}
% \center\Large\sc The Nix Ecosystem. {\url{https://nixos.org}}
\end{frame}
\begin{frame}{Nix Ecosystem}
Core projects:
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] \begin{frame}{Nix Ecosystem}
Nix - The Expression Language (2003)
\end{tcolorbox}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] Core projects:
Nix - The Nix package manager (2003)
\end{tcolorbox}
Satellites: \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
\only<1>{ Nix - The Expression Language (2003)
\end{tcolorbox}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
NixOS - The Purely Functional Linux Distribution Nix - The Nix package manager (2003)
\end{tcolorbox} \end{tcolorbox}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] Satellites:
Hydra - Nix-based continuous build system (2008) \only<1>{
\end{tcolorbox}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
NixOps - The NixOS Deployment Tool (2011) NixOS - The Purely Functional Linux Distribution
\end{tcolorbox} \end{tcolorbox}
}
\only<2>{
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100]
NixOS - The Purely Functional Linux Distribution
\end{tcolorbox}
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100] \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
Hydra - Nix-based continuous build system (2008) Hydra - Nix-based continuous build system (2008)
\end{tcolorbox} \end{tcolorbox}
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100] \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
NixOps - The NixOS Deployment Tool (2011) NixOps - The NixOS Deployment Tool (2011)
\end{tcolorbox} \end{tcolorbox}
} }
\end{frame} \only<2>{
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100]
NixOS - The Purely Functional Linux Distribution
\end{tcolorbox}
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100]
Hydra - Nix-based continuous build system (2008)
\end{tcolorbox}
\begin{tcolorbox}[colframe=gray!50,colback=gray!1,coltext=gray!100]
NixOps - The NixOS Deployment Tool (2011)
\end{tcolorbox}
}
\end{frame}
\subsection{Expression Language}
\begin{frame}{} \subsection{Expression Language}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
{Nix - The Expression Language } \begin{frame}{Nix - Language}
\end{tcolorbox} \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
What? {Nix - The Expression Language }
\begin{itemize} \end{tcolorbox}
\item Is a Domain Specific Language (DSL) What?
\item Functional, Turing complete language. \begin{itemize}
\item Dynamically typed. int, bool, path, string, set, list, lambda. \item Is a Domain Specific Language (DSL)
\item Large built-in and standard lib. \texttt{stdenv, fetchTarball, fromJson, fromGitHub, assert, test..} \item Functional, Turing complete language.
\end{itemize} \item Dynamically typed. int, bool, path, string, set, list, lambda.
\end{frame} \item Large built-in and standard lib. \texttt{stdenv, fetchTarball, fromJson, fromGitHub, assert, test..}
\end{itemize}
\begin{frame}{} \end{frame}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
{Nix - The Expression Language } \begin{frame}{Nix - Language}
\end{tcolorbox} \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
Why? {Nix - The Expression Language }
\begin{itemize} \end{tcolorbox}
\item Packaging is complex. Why?
\item Abstraction layers. \begin{itemize}
\item Better reusability, factorization. \item Packaging is complex.
\item (Readable and Maintainable) \item Abstraction layers.
\end{itemize} \item Better reusability, factorization.
\end{frame} \item (Readable and Maintainable)
\end{itemize}
\subsection{Package Manager} \end{frame}
\begin{frame}{}{} \subsection{Package Manager}
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
{Nix - The Package Manager } \begin{frame}{Nix}
\end{tcolorbox} \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
\begin{itemize} {Nix - The Package Manager }
\item Packages are defined in Nix expressions \end{tcolorbox}
\item Independent of the system. \begin{itemize}
\item Atomic upgrades and rollbacks \item Packages are defined in Nix expressions,
\item Several version of the same package on the same system % \item Independent of the system,
\item Unprivileged package installation \item Atomic upgrades and rollbacks
\item Provides isolated build \& runtime environments \item Several version of the same package on the same system,
\item Reproducible build from source \item Unprivileged package installation,
\item Binary cache \item Provides isolated build \& runtime environments,
\item Garbage collection \item Reproducible build from source,
\item Declarative \& Imperative use. \item Binary cache,
\end{itemize} \item Garbage collection,
\end{frame} % \item Declarative \& Imperative use.
\end{itemize}
% \begin{frame}{} \end{frame}
% All \emph{official} packages are defined into the repository:
% \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]{Nixpkgs - \textcolor{red}{\url{https://github.com/NixOS/nixpkgs}}} \begin{frame}{}
% \end{tcolorbox} \center
% \begin{columns} How does it work?
% \begin{column}{0.5\textwidth} \end{frame}
% \begin{itemize}
% \item First commit: Mar 2003
% \item \textbf{$>$22 000} packages
% \item \textbf{$>$2 100} contributors
% \end{itemize}
% \end{column}
% \begin{column}{0.5\textwidth}
% \begin{itemize}
% \item \textbf{$>$183 600} commits
% \end{itemize}
% \end{column}
% \end{columns}
% \end{frame}
\section{Nix Structure} \section{Nix Structure}
...@@ -319,7 +299,7 @@ The running environment should be explicit: ...@@ -319,7 +299,7 @@ The running environment should be explicit:
% Nix borrows its concept from Functional Languages. \\ % Nix borrows its concept from Functional Languages. \\
\begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black] \begin{tcolorbox}[colframe=black,colback=gray!10,coltext=black]
Nix applies the concept of functional programming languages to packages management. Nix applies the concept of functional programming languages to package management.
\end{tcolorbox} \end{tcolorbox}
\vspace{1em} \vspace{1em}
...@@ -327,7 +307,7 @@ The running environment should be explicit: ...@@ -327,7 +307,7 @@ The running environment should be explicit:
\note{Function from a functional paradigm point of view} \note{Function from a functional paradigm point of view}
\vspace{1em} \vspace{1em}
Packages dependencies are also functions given as inputs. Package dependencies are also functions given as inputs.
\vspace{1em} \vspace{1em}
Such functions are called \textbf{Derivations} Such functions are called \textbf{Derivations}
...@@ -527,13 +507,14 @@ The result of the build action is automatically placed into the nix store. ...@@ -527,13 +507,14 @@ The result of the build action is automatically placed into the nix store.
\item nixpkgs-19.03 (current stable) \item nixpkgs-19.03 (current stable)
\item nixpkgs-18.09 (outdated) \item nixpkgs-18.09 (outdated)
\end{itemize} \end{itemize}
}
\only<2>{ \only<2>{
\begin{tcolorbox}[colframe=red!37,colback=red!10,coltext=black] \begin{tcolorbox}[colframe=red!37,colback=red!10,coltext=black]
\center \center
Channels are not fully reproducible, as they are subject to updates. Channels are not fully reproducible, as they are subject to updates.
\end{tcolorbox} \end{tcolorbox}
\vspace{1em} \vspace{1em}
As experimenters, we will use another mechanism called pinning. As experimenters, we will use another mechanism called pinning.
} }
......
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\beamer@sectionintoc {1}{Experimentation From a Software Point of View}{3}{0}{1}
\beamer@sectionintoc {2}{Nix}{5}{0}{2}
\beamer@subsectionintoc {2}{1}{Expression Language}{11}{0}{2}
\beamer@subsectionintoc {2}{2}{Package Manager}{13}{0}{2}
\beamer@sectionintoc {3}{Nix Structure}{14}{0}{3}
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\center Thanks.
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