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Add bits for building EC2 disk images. Make logic for uploading these
to create EC2 AMIs will come in a later commit.
This commit is contained in:
parent
7ef00d7884
commit
f65557efc4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=280879
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@ -16,11 +16,15 @@ QCOW2_DESC= Qemu, KVM disk image
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RAW_DESC= Unformatted raw disk image
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CLOUDWARE?= AZURE \
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EC2 \
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GCE \
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OPENSTACK
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AZURE_FORMAT= vhdf
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AZURE_DESC= Microsoft Azure platform image
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AZURE_DISK= ${OSRELEASE}.${AZURE_FORMAT}
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EC2_FORMAT= raw
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EC2_DESC= Amazon EC2 image
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EC2_DISK= ${OSRELEASE}.${EC2_FORMAT}
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GCE_FORMAT= raw
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GCE_DESC= Google Compute Engine image
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GCE_DISK= disk.${GCE_FORMAT}
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83
release/tools/ec2.conf
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83
release/tools/ec2.conf
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#!/bin/sh
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#
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# $FreeBSD$
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#
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# Packages to install into the image we're creating. This is a deliberately
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# minimalist set, providing only the packages necessary to bootstrap further
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# package installation as specified via EC2 user-data.
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export VM_EXTRA_PACKAGES="ec2-scripts firstboot-freebsd-update firstboot-pkgs"
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# Set to a list of third-party software to enable in rc.conf(5).
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export VM_RC_LIST="ec2_configinit ec2_fetchkey ec2_ephemeralswap ec2_loghostkey firstboot_freebsd_update firstboot_pkgs"
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# Build with a 1.5 GB UFS partition; the growfs rc.d script will expand
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# the partition to fill the root disk after the EC2 instance is launched.
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# Note that if this is set to <N>G, we will end up with an <N+1> GB disk
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# image since VMSIZE is the size of the UFS partition, not the disk which
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# it resides within.
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export VMSIZE=1536M
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# No swap space; the ec2_ephemeralswap rc.d script will allocate swap
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# space on EC2 ephemeral disks. (If they exist -- the T2 low-cost instances
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# and the C4 compute-optimized instances don't have ephemeral disks. But
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# it would be silly to bloat the image and increase costs for every instance
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# just for those two families, especially since instances ranging in size
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# from 1 GB of RAM to 60 GB of RAM would need different sizes of swap space
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# anyway.)
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export NOSWAP=YES
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vm_extra_pre_umount() {
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# The firstboot_pkgs rc.d script will download the repository
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# catalogue and install or update pkg when the instance first
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# launches, so these files would just be replaced anyway; removing
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# them from the image allows it to boot faster.
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pkg -c ${DESTDIR} delete -f pkg
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rm ${DESTDIR}/var/db/pkg/repo-*.sqlite
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# The size of the EC2 root disk can be configured at instance launch
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# time; expand our filesystem to fill the disk.
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echo 'growfs_enable="YES"' >> ${DESTDIR}/etc/rc.conf
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# EC2 instances use DHCP to get their network configuration.
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echo 'ifconfig_DEFAULT="SYNCDHCP"' >> ${DESTDIR}/etc/rc.conf
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# Unless the system has been configured via EC2 user-data, the user
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# will need to SSH in to do anything.
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echo 'sshd_enable="YES"' >> ${DESTDIR}/etc/rc.conf
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# The AWS CLI tools are generally useful, and small enough that they
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# will download quickly; but users will often override this setting
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# via EC2 user-data.
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echo 'firstboot_pkgs_list="awscli"' >> ${DESTDIR}/etc/rc.conf
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# The EC2 console is output-only, so while printing a backtrace can
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# be useful, there's no point dropping into a debugger or waiting
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# for a keypress.
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echo 'debug.trace_on_panic=1' >> ${DESTDIR}/etc/sysctl.conf
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echo 'debug.debugger_on_panic=0' >> ${DESTDIR}/etc/sysctl.conf
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echo 'kern.panic_reboot_wait_time=0' >> ${DESTDIR}/etc/sysctl.conf
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# The console is not interactive, so we might as well boot quickly.
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echo 'autoboot_delay="-1"' >> ${DESTDIR}/boot/loader.conf
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echo 'beastie_disable="YES"' >> ${DESTDIR}/boot/loader.conf
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# The EC2 console is an emulated serial port.
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echo 'console="comconsole"' >> ${DESTDIR}/boot/loader.conf
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# Some older EC2 hardware used a version of Xen with a bug in its
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# emulated serial port. It is not clear if EC2 still has any such
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# nodes, but apply the workaround just in case.
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echo 'hw.broken_txfifo="1"' >> ${DESTDIR}/boot/loader.conf
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# The first time the AMI boots, the installed "first boot" scripts
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# should be allowed to run:
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# * ec2_configinit (download and process EC2 user-data)
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# * ec2_fetchkey (arrange for SSH using the EC2-provided public key)
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# * growfs (expand the filesystem to fill the provided disk)
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# * firstboot_freebsd_update (install critical updates)
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# * firstboot_pkgs (install packages)
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touch ${DESTDIR}/firstboot
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return 0
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}
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