New architecture-specific wwclient overlays

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## v4.6.5, unreleased
 
+### Added
+
+- `wwclient.aarch64` overlay always provides an aarch64 wwclient executable.
+- `wwclient.x86_64` overlay always provides an x86_64 wwclient executable.
+
 ### Changed
 
 - Renamed debian.interfaces overlay to ifupdown

Makefile

@@ -21,8 +21,10 @@ include Tools.mk
 version: ## Build version
 	@echo $(VERSION)
 
+WWCLIENTS = wwclient wwclient.x86_64 wwclient.aarch64
+
 .PHONY: build
-build: wwctl wwclient etc/bash_completion.d/wwctl ## Build the Warewulf binaries
+build: wwctl $(WWCLIENTS) etc/bash_completion.d/wwctl ## Build the Warewulf binaries
 
 .PHONY: docs
 docs: man_pages reference ## Build the documentation
@@ -63,7 +65,13 @@ wwctl: $(config) $(call godeps,cmd/wwctl/main.go)
 	GOOS=linux go build -mod vendor -tags "$(WW_GO_BUILD_TAGS)" -o wwctl cmd/wwctl/main.go
 
 wwclient: $(config) $(call godeps,cmd/wwclient/main.go)
-	CGO_ENABLED=0 GOOS=linux go build -mod vendor -a -ldflags "-extldflags -static" -o wwclient cmd/wwclient/main.go
+	CGO_ENABLED=0 GOOS=linux go build -mod vendor -a -ldflags "-extldflags -static -s -w" -o wwclient cmd/wwclient/main.go
+
+wwclient.x86_64: $(config) $(call godeps,cmd/wwclient/main.go)
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -mod vendor -a -ldflags "-extldflags -static -s -w" -o wwclient.x86_64 cmd/wwclient/main.go
+
+wwclient.aarch64: $(config) $(call godeps,cmd/wwclient/main.go)
+	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -mod vendor -a -ldflags "-extldflags -static -s -w" -o wwclient.aarch64 cmd/wwclient/main.go
 
 .PHONY: man_pages
 man_pages: wwctl $(wildcard docs/man/man5/*.5)
@@ -155,7 +163,7 @@ cleanmake:
 
 .PHONY: cleanbin
 cleanbin:
-	rm -f wwclient
+	rm -f $(WWCLIENTS)
 	rm -f wwctl
 	rm -f update_configuration
 
@@ -181,7 +189,6 @@ install: build docs ## Install Warewulf from source
 	install -d -m 0755 $(DESTDIR)$(WWCHROOTDIR)
 	install -d -m 0755 $(DESTDIR)$(WWOVERLAYDIR)
 	install -d -m 0755 $(DESTDIR)$(WWPROVISIONDIR)
-	install -d -m 0755 $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient/rootfs/$(WWCLIENTDIR)
 	install -d -m 0755 $(DESTDIR)$(DATADIR)/warewulf/overlays/host/rootfs/$(TFTPDIR)/warewulf/
 	install -d -m 0755 $(DESTDIR)$(WWCONFIGDIR)/examples
 	install -d -m 0755 $(DESTDIR)$(WWCONFIGDIR)/ipxe
@@ -216,11 +223,7 @@ install: build docs ## Install Warewulf from source
 	chmod 0644 $(DESTDIR)$(DATADIR)/warewulf/overlays/ssh.host_keys/rootfs/etc/ssh/ssh*.pub.ww
 	chmod 0600 $(DESTDIR)$(DATADIR)/warewulf/overlays/NetworkManager/rootfs/etc/NetworkManager/system-connections/ww4-managed.ww
 	chmod 0750 $(DESTDIR)$(DATADIR)/warewulf/overlays/host/rootfs
-	rm -rf $(DESTDIR)$(DATADIR)/warewulf/overlays/debian.interfaces # replacing symlink with a copy
-	install -d -m 755 $(DESTDIR)$(DATADIR)/warewulf/overlays/debian.interfaces
-	cp -a $(DESTDIR)$(DATADIR)/warewulf/overlays/ifupdown/* $(DESTDIR)$(DATADIR)/warewulf/overlays/debian.interfaces/
 	install -m 0755 wwctl $(DESTDIR)$(BINDIR)
-	install -m 0755 wwclient $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient/rootfs/$(WWCLIENTDIR)/wwclient
 	install -m 0644 include/firewalld/warewulf.xml $(DESTDIR)$(FIREWALLDDIR)
 	install -m 0644 include/systemd/warewulfd.service $(DESTDIR)$(SYSTEMDDIR)
 	install -m 0644 LICENSE.md $(DESTDIR)$(WWDOCDIR)
@@ -230,6 +233,16 @@ install: build docs ## Install Warewulf from source
 	install -pd -m 0755 $(DESTDIR)$(DRACUTMODDIR)/90wwinit
 	install -m 0644 dracut/modules.d/90wwinit/*.sh  dracut/modules.d/90wwinit/*.override $(DESTDIR)$(DRACUTMODDIR)/90wwinit
 
+	# copy ifupdown to debian.interfaces for backwards compatibility with previous name
+	cp -a $(DESTDIR)$(DATADIR)/warewulf/overlays/ifupdown $(DESTDIR)$(DATADIR)/warewulf/overlays/debian.interfaces
+
+	install -d -m 0755 $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient/rootfs/$(WWCLIENTDIR)
+	cp -a $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient.aarch64
+	cp -a $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient.x86_64
+	install -m 0755 wwclient $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient/rootfs/$(WWCLIENTDIR)/wwclient
+	install -m 0755 wwclient.x86_64 $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient.x86_64/rootfs/$(WWCLIENTDIR)/wwclient
+	install -m 0755 wwclient.aarch64 $(DESTDIR)$(DATADIR)/warewulf/overlays/wwclient.aarch64/rootfs/$(WWCLIENTDIR)/wwclient
+
 .PHONY: install-sos
 install-sos:
 	install -D -m 0644 include/sos/warewulf.py $(DESTDIR)$(SOSPLUGINS)/warewulf.py
@@ -243,6 +256,8 @@ init:
 ifndef OFFLINE_BUILD
 wwctl: vendor
 wwclient: vendor
+wwclient.x86_64: vendor
+wwclient.aarch64: vendor
 update_configuration: vendor
 dist: vendor
 

overlays/debian.interfaces

@@ -1 +0,0 @@
-ifupdown

userdocs/images/images.rst

@@ -443,19 +443,11 @@ Then, ``wwctl image exec`` will work regardless of the architecture of the
 image. For more information about QEMU, see their `GitHub
 <https://github.com/multiarch/qemu-user-static>`_
 
-To use wwclient on a booted image using a different architecture, wwclient must
+.. note::
-be compiled for the specific architecture. This requires GOLang build tools 1.21
-or newer. Below is an example for building wwclient for arm64:
 
-.. code-block:: console
+   When provisioning cluster nodes with a different architecture than the
-
+   Warewulf server, also use the matching architecture-specific :ref:`wwclient`
-   # git clone https://github.com/warewulf/warewulf
+   overlay: e.g., wwclient.x86_64 or wwclient.aarch64.
-   # cd warewulf
-   # GOARCH=arm64 PREFIX=/ make wwclient
-   # mkdir -p /var/lib/warewulf/overlays/wwclient_arm64/rootfs/warewulf
-   # cp wwclient /var/lib/warewulf/overlays/wwclient_arm64/rootfs/warewulf
-
-Then, apply the new "wwclient_arm64" system overlay to your arm64 node/profile
 
 Read-only images
 ================

userdocs/overlays/overlays.rst

@@ -202,6 +202,8 @@ provisioning actions:
 - **/warewulf/init.d/:** executed in the final root file system but before
   calling ``init``.
 
+.. _wwclient:
+
 wwclient
 --------
 
@@ -209,9 +211,14 @@ All configured overlays are provisioned initially along with the node image
 itself; but **wwclient** periodically fetches and applies the runtime overlay to
 allow configuration of some settings without a reboot.
 
-wwclient will contat the ``ipaddr`` value from ``warewulf.conf`` by default.
+wwclient contacts the ``ipaddr`` value from ``warewulf.conf`` by default. This
-This can be overridden by specifying a ``WW_IPADDR`` environment variable, which
+can be overridden by specifying a ``WW_IPADDR`` environment variable, which can
-can be set via an overlay in ``/etc/default/wwclient``.
+be set via an overlay in ``/etc/default/wwclient``.
+
+The default wwclient overlay contains a ``wwclient`` executable compiled for the
+same architecture as the Warewulf server. Architecture-specific wwclient.aarch64
+and wwclient.x86_64 overlays are available as well. This supports using wwclient
+on cluster nodes with a different architecture than the Warewulf server.
 
 Network interfaces
 ------------------

warewulf.spec.in

@@ -210,6 +210,8 @@ getent group %{wwgroup} >/dev/null || groupadd -r %{wwgroup}
 %{_overlaydir}/udev.netname/rootfs/*
 %{_overlaydir}/wicked/rootfs/*
 %{_overlaydir}/wwclient/rootfs/*
+%{_overlaydir}/wwclient.x86_64/rootfs/*
+%{_overlaydir}/wwclient.aarch64/rootfs/*
 %{_overlaydir}/wwinit/rootfs/*
 %{_overlaydir}/localtime/rootfs/*
 %{_overlaydir}/sfdisk/rootfs/*