2022-11-22 19:46:42 +00:00
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%include rocky-vagrant-base.ks
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%include rocky-vagrant-packages-hyperv.ks
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shutdown
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%post
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2022-11-24 01:12:39 +00:00
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# Attempting to force legacy BIOS boot if we boot from UEFI
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if [ "$(arch)" = "x86_64" ]; then
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dnf install grub2-pc-modules grub2-pc -y
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grub2-install --target=i386-pc /dev/vda
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fi
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# Ensure that the pmbr_boot flag is off
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parted /dev/vda disk_set pmbr_boot off
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2022-11-22 19:46:42 +00:00
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# configure swap to a file
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fallocate -l 2G /swapfile
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chmod 600 /swapfile
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mkswap /swapfile
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echo "/swapfile none swap defaults 0 0" >> /etc/fstab
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# sudo
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echo "%vagrant ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/vagrant
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chmod 0440 /etc/sudoers.d/vagrant
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# Fix for https://github.com/CentOS/sig-cloud-instance-build/issues/38
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cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
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DEVICE="eth0"
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BOOTPROTO="dhcp"
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ONBOOT="yes"
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TYPE="Ethernet"
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PERSISTENT_DHCLIENT="yes"
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EOF
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# sshd: disable password authentication and DNS checks
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ex -s /etc/ssh/sshd_config <<EOF
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:%substitute/^\(PasswordAuthentication\) yes$/\1 no/
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:%substitute/^#\(UseDNS\) yes$/&\r\1 no/
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:update
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:quit
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EOF
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cat >>/etc/sysconfig/sshd <<EOF
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# Decrease connection time by preventing reverse DNS lookups
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# (see https://lists.centos.org/pipermail/centos-devel/2016-July/014981.html
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# and man sshd for more information)
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OPTIONS="-u0"
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EOF
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# Default insecure vagrant key
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mkdir -m 0700 -p /home/vagrant/.ssh
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echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" >> /home/vagrant/.ssh/authorized_keys
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chmod 600 /home/vagrant/.ssh/authorized_keys
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chown -R vagrant:vagrant /home/vagrant/.ssh
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# Fix for issue #76, regular users can gain admin privileges via su
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ex -s /etc/pam.d/su <<'EOF'
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# allow vagrant to use su, but prevent others from becoming root or vagrant
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/^account\s\+sufficient\s\+pam_succeed_if.so uid = 0 use_uid quiet$/
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:append
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account [success=1 default=ignore] \\
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pam_succeed_if.so user = vagrant use_uid quiet
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account required pam_succeed_if.so user notin root:vagrant
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.
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:update
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:quit
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EOF
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# systemd should generate a new machine id during the first boot, to
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# avoid having multiple Vagrant instances with the same id in the local
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# network. /etc/machine-id should be empty, but it must exist to prevent
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# boot errors (e.g. systemd-journald failing to start).
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:>/etc/machine-id
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echo 'vag' > /etc/yum/vars/infra
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# Blacklist the floppy module to avoid probing timeouts
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echo blacklist floppy > /etc/modprobe.d/nofloppy.conf
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chcon -u system_u -r object_r -t modules_conf_t /etc/modprobe.d/nofloppy.conf
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# Customize the initramfs
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pushd /etc/dracut.conf.d
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# Enable VMware PVSCSI support for VMware Fusion guests.
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echo 'add_drivers+=" vmw_pvscsi "' > vmware-fusion-drivers.conf
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echo 'add_drivers+=" hv_netvsc hv_storvsc hv_utils hv_vmbus hid-hyperv "' > hyperv-drivers.conf
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# There's no floppy controller, but probing for it generates timeouts
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echo 'omit_drivers+=" floppy "' > nofloppy.conf
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popd
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# Fix the SELinux context of the new files
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restorecon -f - <<EOF
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/etc/sudoers.d/vagrant
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/etc/dracut.conf.d/vmware-fusion-drivers.conf
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/etc/dracut.conf.d/hyperv-drivers.conf
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/etc/dracut.conf.d/nofloppy.conf
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EOF
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# Rerun dracut for the installed kernel (not the running kernel):
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KERNEL_VERSION=$(rpm -q kernel --qf '%{version}-%{release}.%{arch}\n')
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dracut -f /boot/initramfs-${KERNEL_VERSION}.img ${KERNEL_VERSION}
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# Seal for deployment
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rm -rf /etc/ssh/ssh_host_*
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hostnamectl set-hostname localhost.localdomain
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rm -rf /etc/udev/rules.d/70-*
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%end
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