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Add script to extract boot assets during container build <JIRA:OSPRH-27413> #379

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Add script to extract boot assets during container build <JIRA:OSPRH-27413> #379

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56 changes: 56 additions & 0 deletions container-images/tcib/base/os/ironic-base/ironic-pxe/extract-boot-assets.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,56 @@
#!/bin/sh

set -ex

# Create temporary working directory
WORKDIR=$(mktemp -d)
cd ${WORKDIR}

# Create target directory structure
TARGET_DIR="/usr/share/ironic-operator/var-lib-ironic"
mkdir -p ${TARGET_DIR}/httpboot
mkdir -p ${TARGET_DIR}/tftpboot/pxelinux.cfg

# Download boot asset packages (without installing)
# For x86_64 architecture only
dnf download ipxe-bootimgs grub2-efi-x64 shim-x64

# Extract files from RPMs
for rpm in *.rpm; do
rpm2cpio ${rpm} | cpio -idmv
done

# Check for expected EFI directories
if [ -d "${WORKDIR}/boot/efi/EFI/centos" ]; then
efi_dir=centos
elif [ -d "${WORKDIR}/boot/efi/EFI/redhat" ]; then
efi_dir=redhat
else
echo "No EFI directory detected"
exit 1
fi

# Copy iPXE and grub files to both httpboot and tftpboot
for dir in httpboot tftpboot; do
# iPXE files
cp ${WORKDIR}/usr/share/ipxe/ipxe-snponly-x86_64.efi ${TARGET_DIR}/${dir}/snponly.efi
cp ${WORKDIR}/usr/share/ipxe/undionly.kpxe ${TARGET_DIR}/${dir}/undionly.kpxe

# ipxe.lkrn is not packaged in RHEL 10, copy if it exists
if [ -f "${WORKDIR}/usr/share/ipxe/ipxe.lkrn" ]; then
cp ${WORKDIR}/usr/share/ipxe/ipxe.lkrn ${TARGET_DIR}/${dir}/ipxe.lkrn
fi

# UEFI boot files (shim and grub)
cp ${WORKDIR}/boot/efi/EFI/${efi_dir}/shimx64.efi ${TARGET_DIR}/${dir}/bootx64.efi
cp ${WORKDIR}/boot/efi/EFI/${efi_dir}/grubx64.efi ${TARGET_DIR}/${dir}/grubx64.efi
done

# Ensure all files are readable
chmod -R +r ${TARGET_DIR}

# Clean up
cd /
rm -rf ${WORKDIR}

echo "Boot assets extracted successfully to ${TARGET_DIR}"
1 change: 1 addition & 0 deletions container-images/tcib/base/os/ironic-base/ironic-pxe/ironic-pxe.yaml
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Expand Up @@ -2,6 +2,7 @@ tcib_actions:
- run: dnf -y install {{ tcib_packages['common'] | join(' ') }} && dnf clean all && rm -rf /var/cache/dnf
- run: sed -i -r 's,^(Listen 80),#\1,' /etc/httpd/conf/httpd.conf && sed -i -r 's,^(Listen 443),#\1,' /etc/httpd/conf.d/ssl.conf
- run: echo ". /usr/local/bin/kolla_httpd_setup"> /usr/local/bin/kolla_extend_start && chmod 755 /usr/local/bin/kolla_extend_start
- run: /bin/bash /usr/share/tcib/container-images/tcib/base/os/ironic-base/ironic-pxe/extract-boot-assets.sh
tcib_packages:
common:
- httpd
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