639 lines
17 KiB
Bash
Executable File
639 lines
17 KiB
Bash
Executable File
#!/bin/bash
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PROGNAME=$(basename "$0")
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FORCE=0
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AUTO_MODE=
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IMG_SIZE=
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BOOTIMAGE_ISO=
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GRAPHICAL_SUFFIX=
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IMG_FILE=
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AUTO_ISO=
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DHCPV6C=yes
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OAM_DEV=ens3
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IPV4_GW_ADDR=
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IPV6_GW_ADDR=
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AWS_COMPATIBLE=0
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declare -A PASSWORDS
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: KVM=
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KVM_OPTS=()
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TEMPFILES_DIR=
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SUDO=0
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GRAPHICAL=0
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TTY_SETTINGS=
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RPM_ADDON_LIST=()
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# Print out the help message
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usage() {
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echo "\
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Usage: $0 OPTIONS...
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Create a QCOW2/QEMU image with StarlingX pre-installed
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-f,--force overwrite output file if it exists
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-m,--mode={controller|aio|aio_lowlatency}
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create a controller or an all-in-one/low latency system
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(default: aio)
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--sudo Use sudo to mount the ISO, rather than udisks
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-s,--size=nnnG image file size, must end with "G" (default: 500G)
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-g,--graphical create a graphical installation, rather than console
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-e,--oam-dev=OAM_DEV
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OAM network device (default: ens3)
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-4,--ipv4 don't configure IPv6 in the generated image
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-w,--ipv4-default-gateway=GW_IPV4_ADDR
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Add a default IPv4 route via this gateway address
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-W,--ipv6-default-gateway=GW_IPV6_ADDR
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Add a default IPv6 route via this gateway address
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-p,--password=USER:PASSWORD
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Unlock USER account and set its password in the generated
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image.
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USER must exist -- e.g., root, sysadmin.
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This option may be repeated.
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WARNING: this option is not recommended because the
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password will be visible to anyone listing the
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processes. Use \`--passwords-from' instead.
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-P,--passwords-from=PASSWORD_FILE
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Unlock and set passwords of each user account from
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PASSWORD_FILE, which must contain one or more lines
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of the form
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USER:PASSWORD
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USERs must exist -- e.g., root, sysadmin.
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-S,--passwords-from-stdin
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Same as \`--passwords-from=/dev/stdin'
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-i,--iso=BOOTIMAGE_ISO
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use this iso file as input, it must have been generated
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by build-iso with default options
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(default: \$MY_WORKSPACE/export/bootimage.iso)
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-o,--output=IMG_FILE
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output image file name
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Default:
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\$MY_WORKSPACE/export/stx_\${MODE}.qcow2)
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Default with --graphical:
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\$MY_WORKSPACE/export/stx_\${MODE}_graphical.qcow2)
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--aws
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Prepare an image that can be loaded onto an AWS EC2
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instance
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--addon
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Specify additional rpms to add to the qcow2 image
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ENVIRONMENT
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MY_REPO source repo directory
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MY_WORKSPACE build workspace directory
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KVM path to kvm executable (default: auto)
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"
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}
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# Delete temporary files
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cleanup() {
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# QEMU changes terminal settings, restore them before exiting
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[[ -z $TTY_SETTINGS ]] || stty "$TTY_SETTINGS" <&1
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# remove temporary files
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rm -rf "$TEMPFILES_DIR"
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rm -f "$IMG_FILE.tmp"
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}
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# Clean up before exiting due to a signal
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handle_sig() {
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trap - EXIT
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cleanup
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exit 1
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}
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# Clean up before normal exit
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handle_exit() {
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local rv="$?"
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trap - EXIT
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cleanup
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exit $rv
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}
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# Print out an error message
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error() {
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echo "$PROGNAME: error: $*" >&2
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}
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# Print out an error message and exit
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die() {
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error "$*"
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exit 1
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}
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# Print out a command-line error message and exit
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cmdline_error() {
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if [ "$#" -gt 0 ] ; then
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error "$*"
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fi
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echo "Type \`$0 --help' for more info." >&2
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exit 2
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}
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# Encrypt a password for /etc/passwd
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encrypt_password() {
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export ARG="$1"
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python -c '
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import crypt, os, binascii, sys
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salt = binascii.b2a_hex(os.urandom (8)).decode("ascii")
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encrypted = crypt.crypt (os.environ["ARG"], "$5$" + salt + "$")
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print (encrypted)
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' "$1"
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local status="$?"
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unset ARG
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[[ $status -eq 0 ]] || exit 1
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}
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# Save username/password to $PASSWORDS
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save_password() {
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local passwd_str="$1"
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local error_prefix="$2"
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if [[ ! $passwd_str =~ : ]] ; then
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error "${error_prefix}expecting USER:PASSWORD"
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return 1
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fi
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local user="${passwd_str%%:*}"
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local passwd="${passwd_str#*:}"
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if [[ -z $user || -z $passwd ]] ; then
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error "${error_prefix}expecting USER:PASSWORD"
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return 1
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fi
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if [[ $user =~ [^a-zA-Z0-9._-] ]] ; then
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error "${error_prefix}username must only contain characters [a-zA-Z0-9._-]"
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return 1
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fi
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PASSWORDS[$user]="$passwd"
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return 0
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}
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# Read passwords from file or STDIN
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read_passwords() {
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local filename="$1"
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local -i lineno=0
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local numchar="#"
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# Open password file or STDIN as file descriptor 3
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if [[ -z $filename || $filename == - ]] ; then
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filename=STDIN
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exec 3<&0 || exit 1
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else
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exec 3<"$filename" || exit 1
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fi
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while read line <&3 ; do
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let lineno++
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# skip empty lines and comments
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# ${numchar} is "#" to avoid tripping up VI's syntax highlighting
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if [[ ! $line =~ ^[[:space:]]*(${numchar}.*)?*$ ]] ; then
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save_password "$line" "$filename:$lineno: " || exit 1
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fi
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done
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# close file descriptor 3
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exec 3<&-
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}
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# Check if an IPv4 address is valid
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is_ipv4_addr() {
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# make sure we have python
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python -c 'import socket' || exit 1
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# parse the address via python
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python -c 'import socket,sys;socket.inet_aton(sys.argv[1])' "$1" >/dev/null 2>&1
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}
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# Check if an IPv6 address is valid
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is_ipv6_addr() {
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# make sure we have python
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python -c 'import socket' || exit 1
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# parse the address via python
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python -c 'import socket,sys;socket.inet_pton(socket.AF_INET6,sys.argv[1])' "$1" >/dev/null 2>&1
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}
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# find QEMU/KVM
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find_kvm() {
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local kvm
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if [[ -n "$KVM" ]] ; then
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kvm=$(which "$KVM")
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[[ -n $kvm ]] || exit 1
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else
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for kvm_basename in qemu-kvm kvm ; do
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kvm=$(export PATH=$PATH:/usr/bin:/usr/libexec ; which $kvm_basename 2>/dev/null || :)
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[[ -n $kvm ]] && break || :
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done
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[[ -n $kvm ]] || die "unable to find kvm executable"
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fi
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KVM="$kvm"
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if [[ -c /dev/kvm ]] ; then
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KVM_OPTS+=("-enable-kvm")
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fi
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}
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# Perform setup work for an image to run on AWS
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# Create config files for adding ENA driver module, network scripts, and for
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# regenerating a generic initramfs image
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add_aws_setup(){
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local ks_addon=$1
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AWS_OAM_IF=ens5
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AWS_MGMT_IF=ens6
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cat >>"$ks_addon" <<_END
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# Comment out deprecated virtio by-path rules to avoid duplicate symlinks
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sed -i 's/^\(KERNEL.*disk\/by-path\/virtio\)/#\1/' /usr/lib/udev/rules.d/60-persistent-storage.rules
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cat >/etc/modules-load.d/ena.conf <<END
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ena
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END
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cat >/etc/dracut.conf.d/add-ena.conf <<END
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add_drivers+=" ena "
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END
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cat >/etc/dracut.conf.d/no-hostonly.conf <<END
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hostonly="no"
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END
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cat >/etc/sysconfig/network-scripts/ifcfg-${AWS_OAM_IF} <<END
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DEVICE=${AWS_OAM_IF}
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BOOTPROTO=dhcp
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ONBOOT=yes
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TYPE=Ethernet
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USERCTL=yes
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PEERDNS=yes
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DHCPV6C=yes
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DHCPV6C_OPTIONS=-nw
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PERSISTENT_DHCLIENT=yes
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RES_OPTIONS="timeout:2 attempts:5"
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DHCP_ARP_CHECK=no
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END
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cat >/etc/sysconfig/network-scripts/ifcfg-${AWS_MGMT_IF} <<END
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DEVICE=${AWS_MGMT_IF}
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BOOTPROTO=dhcp
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ONBOOT=yes
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TYPE=Ethernet
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USERCTL=yes
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PEERDNS=yes
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DHCPV6C=yes
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DHCPV6C_OPTIONS=-nw
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PERSISTENT_DHCLIENT=yes
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RES_OPTIONS="timeout:2 attempts:5"
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DHCP_ARP_CHECK=no
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END
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if [ ! -d /var/tmp ]; then
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mkdir -m 1777 /var/tmp
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fi
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KERNEL_VERSION=\$(rpm -q kernel --qf '%{version}-%{release}.%{arch}')
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/sbin/dracut -f /boot/initramfs-\$KERNEL_VERSION.img \$KERNEL_VERSION
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_END
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}
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# Process command line
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init() {
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local temp
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temp=$(getopt -o hf4w:W:e:p:P:Sm:gs:i:o: --long help,force,ipv4,ipv4-default-gateway:,ipv6-default-gateway:,oam-dev:,password:,passwords-from:,passwords-from-stdin,mode:,graphical,sudo,size:,iso:,output:,aws,addon: -n "$PROGNAME" -- "$@") || cmdline_error
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eval set -- "$temp"
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while true ; do
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case "$1" in
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-h|--help)
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usage
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exit 0
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;;
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-f|--force)
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FORCE=1
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shift
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;;
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-4|--ipv4)
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DHCPV6C=no
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shift
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;;
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-w|--ipv4-default-gateway)
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is_ipv4_addr "$2" || cmdline_error "invalid IP address \`$2'"
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IPV4_GW_ADDR="$2"
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shift 2
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;;
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-W|--ipv6-default-gateway)
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is_ipv6_addr "$2" || cmdline_error "invalid IP address \`$2'"
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IPV6_GW_ADDR="$2"
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shift 2
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;;
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-e|--oam-dev)
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OAM_DEV="$2"
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shift 2
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;;
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-P|--passwords-from)
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read_passwords "$2"
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shift 2
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;;
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-S|--passwords-from-stdin)
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read_passwords -
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shift
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;;
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-p|--password)
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save_password "$2" "invalid $1: " || cmdline_error
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shift 2
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;;
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-m|--mode)
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[[ "$2" =~ ^(controller|aio|aio_lowlatency)$ ]] || cmdline_error "invalid --mode"
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AUTO_MODE="$2"
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shift 2
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;;
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-g|--graphical)
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GRAPHICAL=1
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GRAPHICAL_SUFFIX=_graphical
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shift
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;;
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--sudo)
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SUDO=1
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shift
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;;
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-s|--size)
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[[ $2 =~ ^[0-9]{1,5}G$ ]] || cmdline_error "invalid --size"
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IMG_SIZE="$2"
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shift 2
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;;
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-i|--iso)
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BOOTIMAGE_ISO="$2"
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shift 2
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;;
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-o|--output)
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IMG_FILE="$2"
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shift 2
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;;
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--aws)
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AWS_COMPATIBLE=1
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shift
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;;
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--addon)
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RPM_ADDON_LIST+=("$2")
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shift 2
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;;
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--)
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shift
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break
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;;
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-?*)
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cmdline_error
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;;
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*)
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break
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;;
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esac
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done
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[[ $# -le 0 ]] || cmdline_error "too many arguments"
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# These are required
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[[ -n $MY_WORKSPACE ]] || die "MY_WORKSPACE is not set"
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[[ -n $MY_REPO ]] || die "MY_REPO is not set"
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# Defaults
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: ${AUTO_MODE:=aio}
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: ${IMG_SIZE:=500G}
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: ${BOOTIMAGE_ISO:=$MY_WORKSPACE/export/bootimage.iso}
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: ${IMG_FILE:=$MY_WORKSPACE/export/stx_${AUTO_MODE}${GRAPHICAL_SUFFIX}.qcow2}
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}
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# main
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init "$@"
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# make sure we clean up before exiting
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trap handle_sig INT TERM PIPE HUP
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trap handle_exit EXIT
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# make sure update-iso-centos.sh exists
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UPDATE_ISO=$MY_REPO/stx/utilities/utilities/platform-util/scripts/update-iso-centos.sh
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: <"$UPDATE_ISO" || exit 1
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# make sure input ISO file exists
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: <"$BOOTIMAGE_ISO" || exit 1
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# make sure patch_build.sh exists
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PATCH_BUILD=$MY_REPO/stx/update/extras/scripts/patch_build.sh
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: <"$PATCH_BUILD" || exit 1
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# find patch-iso
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which patch-iso >/dev/null || exit 1
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# find QEMU/KVM
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find_kvm
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# find qemu-img
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which qemu-img >/dev/null || exit 1
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# refuse to overwrite existing output file
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if [[ -e "$IMG_FILE" ]] && [[ $FORCE -ne 1 ]] ; then
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die "output file $IMG_FILE already exist, delete it first or use --force"
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fi
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# which menu item to use?
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menu_item=
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case "$AUTO_MODE" in
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controller) menu_item=0 ;;
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aio) menu_item=2 ;;
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aio_lowlatency) menu_item=4 ;;
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*) die "internal error" ;;
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esac
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# create a directory for temporary files
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TEMPFILES_DIR=$(mktemp -d -t build_img.XXXXXXXX) || exit 1
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# create an updated iso with the menu item pre-selected
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auto_iso="$TEMPFILES_DIR/bootimage_${AUTO_MODE}${GRAPHICAL_SUFFIX}.iso"
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rm -f "$auto_iso"
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cmd=()
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if [[ $SUDO == 1 ]] ; then
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cmd+=(sudo)
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fi
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cmd+=("$UPDATE_ISO" -i "$BOOTIMAGE_ISO" -o "$auto_iso" -d "$menu_item" -t 3)
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if [[ $AWS_COMPATIBLE == 1 ]] ; then
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cmd+=(-p rdloaddriver=ena)
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fi
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# generate a kickstart add-on
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ks_addon="$TEMPFILES_DIR/ks_addon.sh"
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echo "#### start ks-addon.cfg" >"$ks_addon"
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# configure $OAM_DEV
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cat >>"$ks_addon" <<_END
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# configure $OAM_DEV
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uuid=\$(uuidgen)
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cat >/etc/sysconfig/network-scripts/ifcfg-$OAM_DEV <<END
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UUID=\$uuid
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DEVICE=$OAM_DEV
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NAME=$OAM_DEV
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TYPE=Ethernet
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PROXY_METHOD=none
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BROWSER_ONLY=no
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BOOTPROTO=dhcp
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DEFROUTE=yes
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IPV4_FAILURE_FATAL=no
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IPV6INIT=yes
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IPV6_AUTOCONF=no
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IPV6_DEFROUTE=yes
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IPV6_FAILURE_FATAL=no
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IPV6_ADDR_GEN_MODE=stable-privacy
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ONBOOT=yes
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DHCPV6C=$DHCPV6C
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END
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_END
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# Add default routes
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if [[ -n "$IPV4_GW_ADDR" ]] ; then
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cat >>"$ks_addon" <<_END
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# Add a default IPv4 route
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echo "default via $IPV4_GW_ADDR dev $OAM_DEV metric 1" >/etc/sysconfig/network-scripts/route-$OAM_DEV
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_END
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fi
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if [[ -n "$IPV6_GW_ADDR" ]] ; then
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cat >>"$ks_addon" <<_END
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# Add a default IPv6 route
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echo "default via $IPV6_GW_ADDR dev $OAM_DEV metric 1" >/etc/sysconfig/network-scripts/route6-$OAM_DEV
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_END
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fi
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# Disable cloud-init networking if cloud-init is installed
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cat >>"$ks_addon" <<_END
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if [ -d /etc/cloud/cloud.cfg.d/ ]; then
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echo "network: {config: disabled}" > /etc/cloud/cloud.cfg.d/99-disable-networking.cfg
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fi
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_END
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# Set passwords
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for user in "${!PASSWORDS[@]}" ; do
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encrypted=$(encrypt_password "${PASSWORDS[$user]}")
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[[ $? -eq 0 ]] || exit 1
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cat >>"$ks_addon" <<_END
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# set ${user}'s password
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usermod -e '' -p '$encrypted' '$user' || exit 1
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chage --inactive -1 --maxdays -1 --lastday \$(date '+%Y-%m-%d') '$user' || exit 1
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_END
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done
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# Comment-out global_filter in lvm.conf
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# The installer normally sets it to the installer hard drive's bus address,
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# and LVM doesn't come up when booted in different emulation environment.
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cat >>"$ks_addon" <<'_END'
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# Comment-out global_filter in lvm.conf
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sed -r -i 's!^(\s*)global_filter\s*=.*!\1# global_filter = [ "a|.*/|" ]!' /etc/lvm/lvm.conf
|
|
_END
|
|
|
|
# Change grub parameters to boot to graphical console.
|
|
# The installer sets these to use the serial port when we install
|
|
# in text mode.
|
|
if [[ $GRAPHICAL -eq 1 ]] ; then
|
|
cat >>"$ks_addon" <<'_END'
|
|
# Boot in graphical mode
|
|
sed -r -i \
|
|
-e '/^\s*GRUB_SERIAL_COMMAND=/ d' \
|
|
-e '/^\s*GRUB_TERMINAL(_OUTPUT)?=/ s/=.*/="console"/' \
|
|
-e '/^\s*GRUB_CMDLINE_LINUX=/ s/\bconsole=ttyS0,\S+/console=tty0/' \
|
|
/etc/default/grub
|
|
if [ -d /sys/firmware/efi ] ; then
|
|
grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
|
|
else
|
|
grub2-mkconfig -o /boot/grub2/grub.cfg
|
|
fi
|
|
_END
|
|
fi
|
|
|
|
# Add necessary setup work for an aws image to the ks_addon script
|
|
if [[ $AWS_COMPATIBLE == 1 ]] ; then
|
|
add_aws_setup $ks_addon
|
|
fi
|
|
|
|
echo "#### end ks-addon.cfg" >>"$ks_addon"
|
|
cmd+=(-a "$ks_addon")
|
|
|
|
# execute update_iso.sh
|
|
echo "${cmd[@]}"
|
|
"${cmd[@]}" || exit 1
|
|
|
|
# patch the iso if additional rpms are specified
|
|
if [ ${#RPM_ADDON_LIST[@]} -gt 0 ] ; then
|
|
# Patch build will drop the generated patch file into the current directory.
|
|
# We want that to be $MY_WORKSPACE.
|
|
pushd $MY_WORKSPACE
|
|
patch_file="PATCH.img-addon"
|
|
patched_iso="$TEMPFILES_DIR/bootimage_${AUTO_MODE}${GRAPHICAL_SUFFIX}_patched.iso"
|
|
cmd=("$PATCH_BUILD" --id "${patch_file}" --summary "additional packages for qcow2 image" --desc "Adds customizations to qcow2 image" --status "REL" --reboot-required "N")
|
|
for rpm_addon in "${RPM_ADDON_LIST[@]}"; do
|
|
cmd+=(--all-nodes "${rpm_addon}")
|
|
done
|
|
# create the patch file
|
|
echo "${cmd[@]}"
|
|
"${cmd[@]}" || exit 1
|
|
cmd=(patch-iso -i "$auto_iso" -o "$patched_iso" "${MY_WORKSPACE}/${patch_file}.patch")
|
|
# execute patch-iso
|
|
echo "${cmd[@]}"
|
|
"${cmd[@]}" || exit 1
|
|
mv ${patched_iso} ${auto_iso}
|
|
popd
|
|
fi
|
|
|
|
# create a blank image file
|
|
rm -f "$IMG_FILE.tmp"
|
|
cmd=(qemu-img create "$IMG_FILE.tmp" -f qcow2 "$IMG_SIZE")
|
|
echo "${cmd[@]}"
|
|
"${cmd[@]}" || exit 1
|
|
|
|
# run the installer in QEMU
|
|
cmd=(
|
|
"$KVM"
|
|
"${KVM_OPTS[@]}"
|
|
-m 8192
|
|
-drive file="$IMG_FILE.tmp",if=ide
|
|
-cdrom "$auto_iso"
|
|
-boot d
|
|
-no-reboot
|
|
-nographic
|
|
-smp 4
|
|
)
|
|
# if STDOUT is a terminal, save current terminal settings
|
|
# so that we can restore them later
|
|
if [[ -t 1 ]] ; then
|
|
TTY_SETTINGS=$(stty -g <&1)
|
|
# otherwise, disable QEMU's terminal features
|
|
else
|
|
cmd+=(-serial file:/dev/stdout)
|
|
fi
|
|
# execute qemu
|
|
echo "${cmd[@]}"
|
|
"${cmd[@]}" 2>&1 | tee $TEMPFILES_DIR/kvm.log
|
|
if [[ ${PIPESTATUS[0]} -ne 0 || ${PIPESTATUS[1]} -ne 0 ]] ; then
|
|
die "qemu: installation failed"
|
|
fi
|
|
|
|
# QEMU exits with status=0 even when killed by a signal. Check its output
|
|
# for a known message to detect this case
|
|
if tail "$TEMPFILES_DIR/kvm.log" | grep -q -E "(qemu|kvm).*: terminating on signal" ; then
|
|
die "qemu terminated by a signal"
|
|
fi
|
|
|
|
# rename tmp image file to the final name
|
|
mv -f "$IMG_FILE.tmp" "$IMG_FILE" || exit 1
|
|
|
|
# done
|
|
echo "
|
|
Created $IMG_FILE
|
|
|
|
To use this image, type:
|
|
"
|
|
if [[ $GRAPHICAL -eq 1 ]] ; then
|
|
echo " $KVM ${KVM_OPTS[@]} -m 16384 -drive file=$IMG_FILE,if=ide -boot c -smp 4"
|
|
echo
|
|
echo "(requires a graphical console)"
|
|
else
|
|
echo " $KVM ${KVM_OPTS[@]} -m 16384 -drive file=$IMG_FILE,if=ide -boot c -nographic -smp 4"
|
|
fi
|