60 lines
2.7 KiB
Makefile
60 lines
2.7 KiB
Makefile
#
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# Makefile for creating FreeBSD/Firecracker artifacts
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#
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CLEANDIRS+= ${TARGET}/firecracker-kern ${TARGET}/firecracker-world
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# Bits related to hardware which won't exist in a VM.
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WITHOUT_VM_ENOENT=WITHOUT_APM=YES WITHOUT_BLUETOOTH=YES WITHOUT_CXGBETOOL=YES \
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WITHOUT_FLOPPY=YES WITHOUT_GPIO=YES WITHOUT_MLX5TOOL=YES WITHOUT_USB=YES \
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WITHOUT_USB_GADGET_EXAMPLES=YES WITHOUT_VT=YES WITHOUT_WIRELESS=YES
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# Bits related to software which doesn't exist in Firecracker specifically.
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WITHOUT_FC_ENOENT=WITHOUT_ACPI=YES WITHOUT_BOOT=YES WITHOUT_BHYVE=YES \
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WITHOUT_EFI=YES WITHOUT_FDT=YES WITHOUT_HYPERV=YES \
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WITHOUT_LEGACY_CONSOLE=YES WITHOUT_SYSCONS=YES
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# Bits which take up a lot of space and probably won't be wanted inside a
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# Firecracker VM.
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WITHOUT_FC_FEATURES=WITHOUT_DEBUG_FILES=YES WITHOUT_INCLUDES=YES \
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WITHOUT_INSTALLLIB=YES WITHOUT_TESTS=YES WITHOUT_TOOLCHAIN=YES
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# All the excluded bits
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WITHOUTS?=${WITHOUT_VM_ENOENT} ${WITHOUT_FC_ENOENT} ${WITHOUT_FC_FEATURES}
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firecracker: firecracker-freebsd-kern.bin firecracker-freebsd-rootfs.bin
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FCKDIR= ${.OBJDIR}/${TARGET}/firecracker-kern
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firecracker-freebsd-kern.bin:
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.if !defined(DESTDIR) || !exists(${DESTDIR})
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@echo "--------------------------------------------------------------"
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@echo ">>> DESTDIR must point to destination for Firecracker binaries"
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@echo "--------------------------------------------------------------"
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@false
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.endif
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mkdir -p ${FCKDIR}
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${MAKE} -C ${WORLDDIR} DESTDIR=${FCKDIR} \
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KERNCONF=FIRECRACKER TARGET=${TARGET} installkernel
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cp ${FCKDIR}/boot/kernel/kernel ${DESTDIR}/freebsd-kern.bin
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FCWDIR= ${.OBJDIR}/${TARGET}/firecracker-world
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FCROOTFSSZ?= 1g
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firecracker-freebsd-rootfs.bin:
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mkdir -p ${FCWDIR}
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${MAKE} -C ${WORLDDIR} DESTDIR=${FCWDIR} \
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${WITHOUTS} TARGET=${TARGET} installworld distribution distrib-dirs
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echo '/dev/ufs/rootfs / ufs rw 1 1' > ${FCWDIR}/etc/fstab
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echo 'hostname="freebsd"' >> ${FCWDIR}/etc/rc.conf
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echo 'ifconfig_vtnet0="inet 10.0.0.2 netmask 255.255.0.0"' >> ${FCWDIR}/etc/rc.conf
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echo 'defaultrouter="10.0.0.1"' >> ${FCWDIR}/etc/rc.conf
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echo 'sshd_enable="YES"' >> ${FCWDIR}/etc/rc.conf
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echo 'sshd_rsa_enable="NO"' >> ${FCWDIR}/etc/rc.conf
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echo 'growfs_enable="YES"' >> ${FCWDIR}/etc/rc.conf
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echo 'nameserver 8.8.8.8' >> ${FCWDIR}/etc/resolv.conf
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sed -i '' -e '/periodic/s/^/#/' ${FCWDIR}/etc/crontab
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pw -R ${FCWDIR} groupadd freebsd -g 1001
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mkdir -p ${FCWDIR}/home/freebsd
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pw -R ${FCWDIR} useradd freebsd -m -M 0755 -w yes -n freebsd \
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-u 1001 -g 1001 -G 0 -c "FreeBSD User" -d /home/freebsd -s /bin/sh
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pw -R ${FCWDIR} usermod root -w yes
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touch ${FCWDIR}/firstboot
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makefs -s ${FCROOTFSSZ} -o label=rootfs -o version=2 -o softupdates=1 \
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${DESTDIR}/freebsd-rootfs.bin ${FCWDIR}
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