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Copy Warewulf to Warewulf4 for development
Signed-off-by: Timothy Middelkoop <[email protected]>
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\iftoggleverb{isx86} | ||
% ohpc_validation_newline | ||
% ohpc_validation_comment Optionally, define IPoIB network settings (required if planning to mount Lustre over IB) | ||
% ohpc_command if [[ ${enable_ipoib} -eq 1 ]];then | ||
% ohpc_indent 5 | ||
\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily] | ||
# Optionally define IPoIB network settings (required if planning to mount Lustre/BeeGFS over IB) | ||
[sms](*\#*) for ((i=0; i<$num_computes; i++)) ; do | ||
wwsh -y node set ${c_name[$i]} -D ib0 --ipaddr=${c_ipoib[$i]} --netmask=${ipoib_netmask} | ||
done | ||
[sms](*\#*) wwsh -y provision set "${compute_regex}" --fileadd=ifcfg-ib0.ww | ||
\end{lstlisting} | ||
% ohpc_indent 0 | ||
% ohpc_command fi | ||
% ohpc_validation_newline | ||
% end_ohpc_run | ||
\fi | ||
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\input{common/wwnodescan} | ||
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% begin_ohpc_run | ||
\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily] | ||
# Restart dhcp / update PXE | ||
[sms](*\#*) systemctl restart dhcpd | ||
[sms](*\#*) wwsh pxe update | ||
\end{lstlisting} | ||
% end_ohpc_run |
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%\iftoggle{isx86}{\clearpage} | ||
% begin_ohpc_run | ||
% ohpc_validation_comment Add hosts to cluster | ||
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\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily,] | ||
# Set provisioning interface as the default networking device | ||
[sms](*\#*) echo "GATEWAYDEV=${eth_provision}" > /tmp/network.$$ | ||
[sms](*\#*) wwsh -y file import /tmp/network.$$ --name network | ||
[sms](*\#*) wwsh -y file set network --path /etc/sysconfig/network --mode=0644 --uid=0 | ||
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# Add nodes to Warewulf data store | ||
[sms](*\#*) for ((i=0; i<$num_computes; i++)) ; do | ||
wwsh -y node new ${c_name[i]} --ipaddr=${c_ip[i]} --hwaddr=${c_mac[i]} -D ${eth_provision} | ||
done | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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%\iftoggle{isCentOS_ww_pbs_x86}{\clearpage} | ||
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%\iftoggle{isSLES_ww_slurm_x86}{\clearpage} | ||
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\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily] | ||
# Additional step required if desiring to use predictable network interface | ||
# naming schemes (e.g. en4s0f0). Skip if using eth# style names. | ||
[sms](*\#*) export kargs="${kargs} net.ifnames=1,biosdevname=1" | ||
[sms](*\#*) wwsh provision set --postnetdown=1 "${compute_regex}" | ||
\end{lstlisting} | ||
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% begin_ohpc_run | ||
% ohpc_validation_comment Add hosts to cluster (Cont.) | ||
\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily,literate={BOSVER}{\baseos{}}1] | ||
# Define provisioning image for hosts | ||
[sms](*\#*) wwsh -y provision set "${compute_regex}" --vnfs=BOSVER --bootstrap=`uname -r` \ | ||
--files=dynamic_hosts,passwd,group,shadow,munge.key,network | ||
\end{lstlisting} | ||
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docs/recipes/install/common/finalize_warewulf4_provisioning.tex
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\subsection{Finalizing provisioning configuration} \label{sec:assemble_bootstrap} | ||
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\Warewulf{} employs a two-stage boot process for provisioning nodes via | ||
creation of a bootstrap image that is used to initialize the process, and a virtual node | ||
file system capsule containing the full system image. This section highlights | ||
creation of the necessary provisioning images, followed by the registration of | ||
desired compute nodes. | ||
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\subsubsection{Assemble bootstrap image} | ||
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The bootstrap image includes the runtime kernel and associated modules, as well | ||
as some simple scripts to complete the provisioning process. The | ||
following commands highlight the inclusion of additional drivers and creation | ||
of the bootstrap image based on the running kernel. | ||
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%\iftoggle{isCentOS_ww_slurm_aarch}{\clearpage} | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Assemble bootstrap image \ref{sec:assemble_bootstrap} | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
# (Optional) Include drivers from kernel updates; needed if enabling additional kernel modules on computes | ||
[sms](*\#*) export WW_CONF=/etc/warewulf/bootstrap.conf | ||
[sms](*\#*) echo "drivers += updates/kernel/" >> $WW_CONF | ||
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# Build bootstrap image | ||
[sms](*\#*) wwbootstrap `uname -r` | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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\subsubsection{Assemble Virtual Node File System (VNFS) image} | ||
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With the local site customizations in place, the following step uses the | ||
\texttt{wwvnfs} command to assemble a VNFS capsule from the chroot environment | ||
defined for the {\em compute} instance. | ||
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% begin_ohpc_run | ||
% ohpc_validation_comment Assemble VNFS | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
[sms](*\#*) wwvnfs --chroot $CHROOT | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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\iftoggle{isCentOS_ww_slurm_aarch}{\vspace*{0.4cm}} | ||
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\iftoggle{isSLES_ww_slurm_aarch}{\vspace*{-0.1cm}} | ||
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\subsubsection{Register nodes for provisioning} | ||
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In preparation for provisioning, we can now define the desired network settings | ||
for four example compute nodes with the underlying provisioning system and | ||
restart the \texttt{dhcp} service. Note the use of variable names for the | ||
desired compute hostnames, node IPs, and MAC addresses which should be modified | ||
to accommodate local settings and hardware. By default, \Warewulf{} uses | ||
network interface names of the \texttt{eth\#} variety and adds kernel boot | ||
arguments to maintain this scheme on newer kernels. Consequently, when specifying | ||
the desired provisioning interface via the \texttt{\$eth\_provision} variable, | ||
it should follow this convention. Alternatively, if you prefer to use the | ||
predictable network interface naming scheme (e.g. names like \texttt{en4s0f0}), | ||
additional steps are included to alter the default kernel boot arguments and take | ||
the \texttt{eth\#} named interface down after bootstrapping so the normal init | ||
process can bring it up again using the desired name. | ||
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\iftoggleverb{isx86} | ||
Also included in these steps are commands | ||
to enable \Warewulf{} to manage IPoIB settings and corresponding definitions of | ||
IPoIB addresses for the compute nodes. This is typically optional unless you | ||
are planning to include a \Lustre{} client mount over \InfiniBand{}. | ||
\fi | ||
The final step | ||
in this process associates the VNFS image assembled in previous steps with the | ||
newly defined compute nodes, utilizing the user credential files and munge key | ||
that were imported in \S\ref{sec:file_import}. | ||
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The \Warewulf{} system includes functionality to import arbitrary files from | ||
the provisioning server for distribution to managed hosts. This is one way to | ||
distribute user credentials to {\em compute} nodes. To import local file-based | ||
credentials, issue the following: | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Import files \ref{sec:file_import} | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
[sms](*\#*) wwsh file import /etc/passwd | ||
[sms](*\#*) wwsh file import /etc/group | ||
[sms](*\#*) wwsh file import /etc/shadow | ||
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\end{lstlisting} | ||
% \end_ohpc_run |
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\noindent Similarly, to import the cryptographic | ||
key that is required by the {\em munge} authentication library to be available | ||
on every host in the resource management pool, issue the following: | ||
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% begin_ohpc_run | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
[sms](*\#*) wwsh file import /etc/munge/munge.key | ||
\end{lstlisting} | ||
% \end_ohpc_run |
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docs/recipes/install/common/install_provisioning_warewulf4_intro.tex
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With the \OHPC{} repository enabled, we can now begin adding desired components onto the | ||
{\em master} server. This repository provides a number of aliases that group | ||
logical components together in order to help aid in this process. For | ||
reference, a complete list of available group aliases and RPM packages available | ||
via \OHPC{} are provided in Appendix~\ref{appendix:manifest}. To add | ||
support for provisioning services, the following commands illustrate addition | ||
of a common base package followed by the Warewulf provisioning system. | ||
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%\nottoggle{isCentOS}{\clearpage} | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Add baseline OpenHPC and provisioning services \ref{sec:add_provisioning} | ||
\begin{lstlisting}[language=bash,keywords={}] | ||
# Install base meta-packages | ||
[sms](*\#*) (*\install*) ohpc-base | ||
[sms](*\#*) (*\install*) ohpc-warewulf | ||
[sms](*\#*) (*\install*) hwloc-ohpc | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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docs/recipes/install/common/warewulf4_add_to_compute_chroot_intro.tex
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The \texttt{wwmkchroot} process used in the previous step is designed to | ||
provide a minimal \baseOS{} configuration. Next, we add additional components | ||
to include resource management client services, NTP support, and | ||
other additional packages to support the default \OHPC{} environment. This | ||
process augments the chroot-based install performed by \texttt{wwmkchroot} to | ||
modify the base provisioning image and will access the BOS and \OHPC{} | ||
repositories to resolve package install requests. We begin by installing a few | ||
common base packages: | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Add OpenHPC base components to compute image \ref{sec:add_components} | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
# Install compute node base meta-package | ||
[sms](*\#*) (*\chrootinstall*) ohpc-base-compute | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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To access the remote | ||
repositories by hostname (and not IP addresses), the chroot environment needs | ||
to be updated to enable DNS resolution. Assuming that the {\em master} host has | ||
a working DNS configuration in place, the chroot environment can be updated | ||
with a copy of the configuration as follows: | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Add OpenHPC components to compute image \ref{sec:add_components} | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true] | ||
[sms](*\#*) cp -p /etc/resolv.conf $CHROOT/etc/resolv.conf | ||
\end{lstlisting} | ||
% end_ohpc_run | ||
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\noindent Now, we can include additional required components to the compute | ||
instance including resource manager client, NTP, and development environment modules support. | ||
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With the provisioning services enabled, the next step is to define and | ||
customize a system image that can subsequently be used to provision one or more | ||
{\em compute} nodes. The following subsections highlight this process. | ||
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\subsubsection{Build initial BOS image} \label{sec:assemble_bos} | ||
The \OHPC{} build of \Warewulf{} includes specific enhancements enabling support for | ||
\baseOS{}. The following steps illustrate the process to build a minimal, default | ||
image for use with \Warewulf{}. We begin by defining a directory structure on the | ||
{\em master} host that will represent the root filesystem of the compute node. The | ||
default location for this example is in | ||
\texttt{/opt/ohpc/admin/images/\baseos{}}. | ||
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\begin{center} | ||
\begin{tcolorbox}[] | ||
\small \Warewulf{} is configured by default to access an external | ||
repository (download.rockylinux.org) during the \texttt{wwmkchroot} process. If | ||
the master host cannot reach the public Rocky mirrors, or if you prefer to | ||
access a locally cached mirror, set the \texttt{\$\{YUM\_MIRROR\}} | ||
environment variable to your desired repo location {\em prior} to running | ||
the \texttt{wwmkchroot} command below. For example: | ||
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% begin_ohpc_run | ||
% ohpc_command if [ ! -z ${BOS_MIRROR+x} ]; then | ||
% ohpc_indent 5 | ||
\begin{lstlisting}[language=bash,keywords={}] | ||
# Override default OS repository (optional) - set YUM_MIRROR variable to desired repo location | ||
[sms](*\#*) export YUM_MIRROR=${BOS_MIRROR} | ||
\end{lstlisting} | ||
% ohpc_indent 0 | ||
% ohpc_command fi | ||
% end_ohpc_run | ||
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\end{tcolorbox} | ||
\end{center} | ||
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% begin_ohpc_run | ||
% ohpc_comment_header Create compute image for Warewulf \ref{sec:assemble_bos} | ||
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true,keepspaces,literate={BOSVER}{\baseos{}}1] | ||
# Define chroot location | ||
[sms](*\#*) export CHROOT=/opt/ohpc/admin/images/BOSVER | ||
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# Build initial chroot image | ||
[sms](*\#*) wwmkchroot -v rocky-9 $CHROOT | ||
# Enable OpenHPC and EPEL repos inside chroot | ||
[sms](*\#*) dnf -y --installroot $CHROOT install epel-release | ||
[sms](*\#*) cp -p /etc/yum.repos.d/OpenHPC*.repo $CHROOT/etc/yum.repos.d | ||
\end{lstlisting} | ||
% end_ohpc_run |
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At this point, all of the packages necessary to use \Warewulf{} on the {\em | ||
master} host should be installed. Next, we need to update several | ||
configuration files in order to allow \Warewulf{} to work with \baseOS{} and to | ||
support local provisioning using a second private interface (refer to | ||
Figure~\ref{fig:physical_arch}). | ||
%\vspace*{-0.05cm} | ||
\begin{center} | ||
\begin{tcolorbox}[] | ||
\small | ||
By default, \Warewulf{} is configured to | ||
provision over the \texttt{eth1} interface and the steps below include updating | ||
this setting to override with a potentially alternatively-named interface specified by | ||
\texttt{\$\{sms\_eth\_internal\}}. | ||
\end{tcolorbox} | ||
\end{center} |
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% begin_ohpc_run | ||
% ohpc_comment_header Complete basic Warewulf setup for master node \ref{sec:setup_ww} | ||
%\begin{verbatim} | ||
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\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true,keepspaces] | ||
# Configure Warewulf provisioning to use desired internal interface | ||
[sms](*\#*) perl -pi -e "s/device = eth1/device = ${sms_eth_internal}/" /etc/warewulf/provision.conf | ||
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# Enable internal interface for provisioning | ||
[sms](*\#*) ip link set dev ${sms_eth_internal} up | ||
[sms](*\#*) ip address add ${sms_ip}/${internal_netmask} broadcast + dev ${sms_eth_internal} | ||
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# Restart/enable relevant services to support provisioning | ||
[sms](*\#*) systemctl enable httpd.service | ||
[sms](*\#*) systemctl restart httpd | ||
[sms](*\#*) systemctl enable dhcpd.service | ||
[sms](*\#*) systemctl enable tftp.socket | ||
[sms](*\#*) systemctl start tftp.socket | ||
\end{lstlisting} | ||
%\end{verbatim} | ||
% end_ohpc_run |
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docs/recipes/install/rocky9/x86_64/warewulf4/slurm/Makefile
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PAPER := steps.pdf | ||
TEX_SUFS := .aux .log .nav .out .snm .toc .vrb .fdb_latexmk .bbl .blg .fls | ||
GITID := $(shell git describe 2> /dev/null) | ||
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#$(info $$GITID is [${GITID}]) | ||
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%.pdf:%.tex steps.tex manifest.tex $(wildcard common/*.tex common/ohpc-doc.sty common/base_edition/*.tex common/figures/*.pdf manifest/*.tex) | ||
ifdef GITID | ||
common/vc | ||
else | ||
test -s vc.tex || { echo "vc.tex file does not exist (and this is not a git repo)!"; exit 1; } | ||
endif | ||
latexmk -pdf $< | ||
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all: $(PAPER) | ||
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clean: | ||
$(RM) $(foreach suf, ${TEX_SUFS}, $(PAPER:.pdf=${suf})) | ||
ifdef GITID | ||
$(RM) vc.tex | ||
endif | ||
$(RM) $(PAPER) | ||
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../../../../common/ |
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../../warewulf/slurm/manifest |
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docs/recipes/install/rocky9/x86_64/warewulf4/slurm/manifest.tex
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../../warewulf/slurm/manifest.tex |
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