solaris10/zone/attach.ksh

#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
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# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
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# Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
#

. /usr/lib/brand/solaris10/common.ksh

m_attach_log=$(gettext "Log File: %s")
m_usage=$(gettext  "solaris10 brand usage:\n\tattach [-a archive | -d directory | -r recv_type] [-c sysidcfg]\n\tThe -a archive option specifies an archive name which can be a flar,\n\ttar, pax or cpio archive.\n\tThe -d directory option specifies an existing directory.\n\tThe -r recv_type option specifies the type of archive to be read from\n\tstdin.\n\tThe -c option gives a sysidcfg file and causes an unconfiguration of the zone.")
m_complete=$(gettext "Attach complete.")
m_failed=$(gettext "Result: Attach Failed.")

install_fail=$(gettext  "*** Attach FAILED ***")
f_sysunconfig=$(gettext "Error: sys-unconfig failed.")

f_zfs=$(gettext "Error creating a ZFS file system (%s) for the zone.")
f_sanity_notzone=$(gettext "Error: this is a system image and not a zone image.")

# Clean up on interrupt
trap_cleanup()
{
    log "$m_interrupt"

    # umount any mounted file systems
    umnt_fs

    trap_exit
}

# If the attach failed then clean up the ZFS datasets we created.
trap_exit() {
    # trap_cleanup calls trap_exit.  Do not run trap_exit twice.
    trap - INT EXIT
    if [[ -n $EXIT_NOEXECUTE ]]; then
        # dryrun mode, nothing to do here; exit with whatever
        # EXIT_CODE is set to.
        ;
    elif [[ $EXIT_CODE == $ZONE_SUBPROC_USAGE ]]; then
        # Usage message printed, nothing to do here.
        ;
    elif [[ $EXIT_CODE == $ZONE_SUBPROC_OK ]]; then
        unpin_datasets "${zone.path.ds}" || error "$f_unpin"
    elif [[  $EXIT_CODE == $ZONE_SUBPROC_TRYAGAIN ]]; then
        unpin_datasets "${zone.path.ds}" || error "$f_unpin"
        log "$m_failed"
    else
        # Remove datasets that shouldn't exist
        delete_unpinned_datasets "${zone.path.ds}" &&
            EXIT_CODE=$ZONE_SUBPROC_TRYAGAIN
        unpin_datasets "${zone.path.ds}" || error "$f_unpin"
        log "$m_failed"
    fi

    vlog "Exiting with exit code $EXIT_CODE"
    finish_log zone

    exit $EXIT_CODE
}

EXIT_CODE=$ZONE_SUBPROC_USAGE
install_media="-"
rm_ds=0

# If we weren't passed at least two arguments, exit now.
(( $# < 2 )) && exit $ZONE_SUBPROC_USAGE

# Used by start_log()
set -A save_args "$0" "$@"

zone=
init_zone zone "$1" "$2"
# Set ZONEPATH, etc.
eval $(bind_legacy_zone_globals zone)

# Clear the child dataset list - solaris10 should not create them.
set -A zone.new_be_datasets

shift; shift    # remove ZONENAME and ZONEPATH from arguments array

noexecute=0

unset inst_type
unset sc_sysidcfg

# Other brand attach options are invalid for this brand.
while getopts "a:c:d:nr:x:" opt; do
    case $opt in
        a)
            if [[ -n "$inst_type" ]]; then
                fatal "$incompat_options" "$m_usage"
            fi
            inst_type="archive"
            install_media="$OPTARG"
            ;;
        c)  sc_sysidcfg="$OPTARG" ;;
        d)
            if [[ -n "$inst_type" ]]; then
                fatal "$incompat_options" "$m_usage"
            fi
            inst_type="directory"
            install_media="$OPTARG"
            # '-d -' means use the existing zonepath.
            if [[ "$install_media" == "$ZONEPATH" ]]; then
                install_media="-"
            fi
            ;;
        n)  noexecute=1 ;;
        r)
            if [[ -n "$inst_type" ]]; then
                fatal "$incompat_options" "$m_usage"
            fi
            inst_type="stdin"
            install_media="$OPTARG"
            ;;
        x)  ;;      # zoneadm only
        ?)  fail_usage "" ;;
        *)  fail_usage "";;
    esac
done
shift $((OPTIND-1))

if [[ $noexecute == 1 && -n "$inst_type" ]]; then
    fatal "$m_usage"
fi

[[ -z "$inst_type" ]] && inst_type="directory"

if [ $noexecute -eq 1 ]; then
    #
    # The zone doesn't have to exist when the -n option is used, so do
    # this work early.
    #

    # XXX do the sw validation for solaris10 minimal patch level to ensure
    # everything will be ok.

    # Exit handler not yet active, so no need to worry about it.
    exit $ZONE_SUBPROC_OK
fi

trap trap_cleanup INT
trap trap_exit EXIT

EXIT_CODE=$ZONE_SUBPROC_TRYAGAIN
start_log zone attach "${save_args[@]}"
pin_datasets "${zone.path.ds}" || fatal "$f_pin"

log "$m_attach_log" "$LOGFILE"

attach_datasets -t "$inst_type" -m "$install_media" zone || exit $EXIT_CODE
migrate_export zone
migrate_rpool zone

mk_zone_dirs

#
# Perform a final check that this is really a zone image and not an archive of
# a system image which would need p2v.  Check for a well-known S10 SMF service
# that shouldn't exist in a zone.
#
if [[ -e ${zone.root}/var/svc/manifest/system/sysevent.xml ]]; then
    log "$f_sanity_notzone"
    exit $ZONE_SUBPROC_TRYAGAIN
fi

EXIT_CODE=$ZONE_SUBPROC_OK

log "$m_complete"

trap - EXIT
unpin_datasets "${zone.path.ds}" || error "$f_unpin"
finish_log zone
log "$m_attach_log" "$LOGFILE"

exit $ZONE_SUBPROC_OK