84863087a5
Verify the MD5 checksum of the Linux distribution's ISO image before trying to use it. Image corruption happens, and the resulting problems are not always easy to diagnose. Change-Id: I92852a28392002d4fcd64898453086d5920d0ef1
144 lines
4.3 KiB
Bash
144 lines
4.3 KiB
Bash
# This bash library contains the main function that creates the base disk.
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function check_md5 {
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local file=$1
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local csum=$2
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local md5exe
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if ! md5exe=$(which md5sum); then
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# On Mac OS X, the tool is called md5
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if ! md5exe=$(which md5); then
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echo >&2 "Neither md5sum nor md5 found. Aborting."
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exit 1
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fi
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fi
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echo >&2 -n "Verifying ISO image MD5 checksum: "
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if $md5exe "$file" | grep -q "$csum"; then
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echo >&2 "okay."
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else
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echo >&2 "failed."
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echo >&2 "Aborting. Please fix or remove the ISO image."
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exit 1
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fi
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}
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function vm_install_base {
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local base_disk=$1
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local base_build_disk=$DISK_DIR/tmp-disk.vdi
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local vm_name=base
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# Port used for ssh forwarding when building base disk
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: ${VM_BASE_SSH_PORT:=2229}
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echo >&2 "$(date) osbash vm_install starts."
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${WBATCH:-:} wbatch_begin_base
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# Don't remove base_build_disk if we are just faking it for wbatch
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${OSBASH:-:} rm -f "$base_build_disk"
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${WBATCH:-:} wbatch_delete_disk "$base_build_disk"
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vm_create "$vm_name"
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vm_mem "$vm_name" "${VM_BASE_MEM:=512}"
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if [ -z "${INSTALL_ISO-}" ]; then
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local iso_name="$(get_iso_name)"
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if [ -z "$iso_name" ]; then
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echo >&2 "Either ISO URL or name needed (ISO_URL, INSTALL_ISO)."
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exit 1
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fi
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INSTALL_ISO=$ISO_DIR/$iso_name
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# Don't look for ISO image if we are only doing wbatch
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${OSBASH:-:} find_install-iso "$iso_name"
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fi
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echo >&2 -e "Install ISO:\n\t$INSTALL_ISO"
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${OSBASH:-:} check_md5 "$INSTALL_ISO" "$ISO_MD5"
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$VBM storageattach "$vm_name" \
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--storagectl IDE \
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--port 0 \
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--device 0 \
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--type dvddrive \
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--medium "$INSTALL_ISO"
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${WBATCH:-:} vm_attach_guestadd-iso "$vm_name"
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${OSBASH:-:} mkdir -pv "$DISK_DIR"
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create_vdi "$base_build_disk" "${BASE_DISK_SIZE:=8000}"
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vm_attach_disk "$vm_name" "$base_build_disk"
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#---------------------------------------------------------------------------
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# Set up communication with base VM: ssh port forwarding by default,
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# VirtualBox shared folders for wbatch
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# wbatch runs cannot use ssh, so skip port forwarding in that case
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${WBATCH:+:} vm_port "$vm_name" ssh "$VM_BASE_SSH_PORT" 22
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# Automounted on /media/sf_bootstrap for first boot
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${WBATCH:-:} vm_add_share_automount "$vm_name" "$SHARE_DIR" bootstrap
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# Mounted on /$SHARE_NAME after first boot
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${WBATCH:-:} vm_add_share "$vm_name" "$SHARE_DIR" "$SHARE_NAME"
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#---------------------------------------------------------------------------
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$VBM modifyvm "$vm_name" --boot1 dvd
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# Configure autostart
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autostart_reset
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# For wbatch, install osbashauto as a boot service
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${WBATCH:-:} autostart osbash/activate_autostart.sh
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autostart osbash/base_fixups.sh
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# By default, set by lib/osbash/lib.* to something like scripts.ubuntu
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autostart_from_config "$BASE_INSTALL_SCRIPTS"
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autostart zero_empty.sh shutdown.sh
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# Boot VM into distribution installer
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vbox_boot "$vm_name"
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local delay=5
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echo >&2 "Waiting $delay seconds for VM \"$vm_name\" to come up"
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vbox_sleep "$delay"
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vbox_distro_start_installer "$vm_name"
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echo >&2 "Installing operating system; waiting for reboot"
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# Wait for ssh connection and execute scripts in autostart directory
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# (for wbatch, osbashauto does the processing instead)
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${WBATCH:+:} ssh_process_autostart "$VM_BASE_SSH_PORT" &
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# After reboot
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wait_for_autofiles
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echo >&2 "Installation done for VM $vm_name"
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vm_wait_for_shutdown "$vm_name"
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# Detach disk from VM now or it will be deleted by vm_unregister_del
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vm_detach_disk "$vm_name"
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vm_unregister_del "$vm_name"
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echo >&2 "Compacting $base_build_disk"
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$VBM modifyhd "$base_build_disk" --compact
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# This disk will be moved to a new name, and this name will be used for
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# a new disk next time the script runs.
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disk_unregister "$base_build_disk"
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echo >&2 "Base disk created"
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echo >&2 "Moving base disk to $base_disk"
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${OSBASH:-:} mv -vf "$base_build_disk" "$base_disk"
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${WBATCH:-:} wbatch_rename_disk "$base_build_disk" "$base_disk"
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${WBATCH:-:} wbatch_end_file
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echo >&2 -e "$(date) osbash vm_install ends\n"
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}
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# vim: set ai ts=4 sw=4 et ft=sh:
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