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		@@ -40,9 +40,8 @@ citecolor = black]{hyperref}%
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\pagestyle{scrheadings}		% switch on head and foot line
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\newpage
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\tableofcontents
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\newpage
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\listoffigures
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\newpage
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\listoftables
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\lstlistoflistings
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\input{config/headfoot.tex}
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\newpage
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										72
									
								
								content.tex
									
									
									
									
									
								
							
							
						
						
									
										72
									
								
								content.tex
									
									
									
									
									
								
							@@ -1,4 +1,5 @@
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\section{Gitlab workflow} \label{sec:glw}
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\begin{figure}
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	\begin{center}
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		\input{img_gitlab.tex}
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@@ -6,35 +7,49 @@
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		\label{fig:gitlab_workflow}
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	\end{center}
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\end{figure}
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Figure \ref{fig:gitlab_workflow} gives an overview of the gitlab workflow.
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The workflow is splitted in different phases:\\
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\begin{itemize}
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	\item Implementation phase
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	\item Code freeze
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	\item Release phase
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\end{itemize}
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For these different phases The continuous integration/delivery system
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triggers different build stages. For further details please refer to
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section \ref{sec:ci}.
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\subsection{Implementation phase}
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While in implementation phase every implementation for the next release is
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done. Every implementation has to be done on a seperate branch. After
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finishing an implementation the branch it was made on has to be merged back
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to the master branch. As defined an implementation could be one of:\\
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\begin{itemize}
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	\item Feature
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	\item Fix
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\end{itemize}
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\subsubsection{Feature implementation}
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A feature is a a new piece of code that implements new functionality into
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the system.
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\subsubsection{Fix implementation}
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If in any testing phase an issue is detected these issue can be fixed with
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a fix implementation.
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\subsubsection{Further kinds of implementation}
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Beside these defined implementations any other kind of implementation is
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possible but has to be made also on a seperate branch.
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\subsection{Code freeze}
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The transition between implementation phase and release phase is called
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code freeze. Code freeze means each for the upcoming release planned
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feature is implemented and merged to the main branch (normally master) of
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@@ -43,27 +58,37 @@ the upcoming release a "\texttt{release/...}" named branch is created.
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For a proper release configuration it is necessary to configure the ci
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build job before creating the release branch (see section \ref{sec:ci_conf})
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.
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\subsection{Release phase}
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Any release relevant issue that is detected while release phase has to be
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fixed at the release branch. The release phase is splitted into different
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stages:
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\begin{itemize}
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	\item Internal release(s)
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	\item External release
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\end{itemize}
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\subsubsection{Internal release(s)}
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Each push to a release branch triggers the creation of an internal release.
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Only internal releases must be used to system test the release branch. For
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details please refer to section \ref{sec:ci_int}.
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\subsubsection{External release}
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If no further release relevant issues could be found (or are accepted as
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known issues) an external release is created by tagging the commit which
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should be delivered to the customer. For details please refer to section
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\ref{sec:ci_ext}.
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\section{Continuous integration/delivery} \label{sec:ci}
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As continuous integration system the gitlab built in ci-system
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\textit{gitlab-ci} is used. Beside the most important task of ci, ensure
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constant high code quality, the ci system is used for various tasks:
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\begin{itemize}
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	\item Automated static code analysis
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	\item Automated build
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@@ -72,10 +97,23 @@ constant high code quality, the ci system is used for various tasks:
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	\item External release deployment
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	\item Automated release note generation (not implemented yet)
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\end{itemize}
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\subsection{Internal release deployment} \label{sec:ci_int}
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\FloatBarrier
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\begin{figure}
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	\begin{center}
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		\input{img_deploy.tex}
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		\caption{Deployment of release candidats and releases}
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		\label{fig:deployment}
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	\end{center}
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\end{figure}
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For a branch named \texttt{release/...} the creation of a release candidate
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is triggered automatically. The internal release is processing the following
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steps:\\
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is triggered automatically. Figure \ref{fig:deployment} illustrates the
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deployment process. The internal release is processing the following steps:
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\\
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\begin{enumerate}
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	\item Build project variant specific configuration
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	\item Static code analysis of project variant specific configuration
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@@ -84,12 +122,15 @@ steps:\\
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	\item Deploy the release to the project's release candidate deploy
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location
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\end{enumerate}
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\subsection{External release deployment} \label{sec:ci_ext}
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To create an external release the commit to be released must be tagged
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using the following naming convention:\\
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\texttt{release/<project\_specific\_name>}.\\
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The project specific naming convention for Agricola ruby is:\\
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\texttt{release/174\_AG*}.\\
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\begin{enumerate}
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	\item Build project variant specific configuration
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	\item Static code analysis of project variant specific configuration
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@@ -97,22 +138,28 @@ The project specific naming convention for Agricola ruby is:\\
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	\item Build release notes for the release
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	\item Deploy the release to the project's release deploy location
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\end{enumerate}
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\subsection{Configuring the build jobs} \label{sec:ci_conf}
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The configuration of gitlab-ci is made in the \texttt{.gitlab-ci.yml} file
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in the root directory of the project's repository. The certain build stages
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are using variables to customize the build. These variables are defined in
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the \texttt{variables} section of the config file.\\\\
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\begin{tabular}{l l}
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	\cellcolor{black}\color{white}variable & \cellcolor{black}\color{white}meaning\\
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	PRODUCT\_NAME & Short of the product name\\
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	PRODUCT\_VARIANT & Short of the product variant\\
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	PROJECT\_VERSION & ??\\
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	SW\_MAJOR & Software major number\\
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	SW\_MINOR & Software minor number\\\\
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the \texttt{variables} section of the config file. Table \ref{tab:conf_var}
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and listing \ref{lst:ag_cfg} gives an overview about customizing a release
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phase.
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\captionof{table}{Variables to customize a release phase}
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\label{tab:conf_var}
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\begin{tabular}{l l l}
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	\cellcolor{black}\color{white}variable & \cellcolor{black}\color{white}meaning & \cellcolor{black}\color{white}example\\
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	PRODUCT\_NAME & Short of the product name & AG\\
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	PRODUCT\_VARIANT & Short of the product variant & NA\\
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	PROJECT\_VERSION & ?? & 10\\
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	SW\_MAJOR & Software major number & 1\\
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	SW\_MINOR & Software minor number & 2\\\\
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\end{tabular}
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\newline
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In listing \ref{lst:ag_cfg} an example configuration for an Agricola North
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America variant release is shown.
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\lstsetbash
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\begin{lstlisting}[caption=variables configuration, label=lst:ag_cfg]
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variables:
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@@ -122,6 +169,7 @@ variables:
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  SW_MAJOR: "1"
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  SW_MINOR: "2"
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\end{lstlisting}
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\textbf{Remember}, it is a good idea to change these values before creating
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the release branch, creating (and pushing) the branch triggers the build of
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a release candidate.
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