#!/bin/ksh93
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
# 61haes_r714 src/43haes/lib/ksh93/hacmp/KLIB_HACMP_modify_mirror_pair.sh 1.4 
#  
# Licensed Materials - Property of IBM 
#  
# COPYRIGHT International Business Machines Corp. 2011 
# All Rights Reserved 
#  
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# disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
#  
# IBM_PROLOG_END_TAG 
# @(#)17	1.4  src/43haes/lib/ksh93/hacmp/KLIB_HACMP_modify_mirror_pair.sh, hacmp.assist, 61haes_r714 10/24/12 17:32:19

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=head1 NAME

 KLIB_HACMP_modify_mirror_pair

=head1 VERSION

 Version Number:  1.4
 Last Extracted:  1/31/14 04:41:37
 Last Changed:    10/24/12 17:32:19

 Path, Component, Release(, Level):
 src/43haes/lib/ksh93/hacmp/KLIB_HACMP_modify_mirror_pair.sh, hacmp.assist, 61haes_r714

=head1 SYNOPSIS

 clmgr modify mirror_pair <mirror_pair_name> \
             [ NAME=<new_mirror_pair_name> ] \
             [ FIRST_DISK=<disk_1> ] \
             [ SECOND_DISK=<disk_2> ]

 NOTE: the alias for "mirror_pair" is "mp".

=head1 DESCRIPTION

Attempts to create a new mirror pair.

=head1 ARGUMENTS

 1. properties [REQUIRED] [hash ref]
    An associative array within which data about the
    created object can be returned to the caller.

 2. pair_name [REQUIRED] [string]
    The label of the mirror pair that is to be modified.

 3. new_name [OPTIONAL] [string]
    A new label to apply to the specified mirror pair.

 4. disk1 [REQUIRED] [string]
    The first disk in the pair.

 5. disk2 [REQUIRED] [string]
    The second disk in the pair.

=head1 RETURN

 0: no errors were detected; the operation appears to have been successful
 1: a general error has occurred
 2: a specified resource does not exist, or could not be found
 3: some required input was missing
 4: some detected input was incorrect in some way
 5: a required dependency does not exist
 6: a specified search failed to match any data

=head1 COPYRIGHT

COPYRIGHT International Business Machines Corp. 2005,2010
All Rights Reserved

=cut
} # End of POD-formatted documentation.


function KLIB_HACMP_modify_mirror_pair {
    LINENO=2 . $HALIBROOT/log_entry "$0()" "$CL"
    : version=1.4, src/43haes/lib/ksh93/hacmp/KLIB_HACMP_modify_mirror_pair.sh, hacmp.assist, 61haes_r714
    : INPUTS: $*

    typeset -n properties=$1
    typeset mirror_pair=${2//\"/}
    typeset new_name=${3//\"/}
    typeset disk1=${4//\"/}
    typeset disk2=${5//\"/}

    [[ $CLMGR_LOGGING == 'med' ]] && set +x  # Only trace param values

    #================================================================
    : Check for a defined cluster. No need to continue without one.
    #================================================================
    CL=$LINENO isClusterDefined
    if (( $? != RC_SUCCESS )); then
        log_return_msg "$RC_MISSING_DEPENDENCY" "$0()" "$LINENO"
        return $?
    fi

    CL=$LINENO isEnterprise
    if (( $? != 1 )); then
        CL=$LINENO cl_dspmsg -s $CLMGR_SET $CLMGR_MSGS 184 "\nERROR: this operation requires IBM PowerHA SystemMirror for AIX Enterprise Edition.\n\n" 1>&2
        log_return_msg "$RC_MISSING_DEPENDENCY" "$0()" "$LINENO"
        return $?
    fi

    #===================================
    : Declare and initialize variables
    #===================================
    typeset -i rc=$RC_UNKNOWN

    typeset existing
    CL=$LINENO KLIB_HACMP_list_mirror_pairs existing 2>>$CLMGR_TMPLOG

    #=================
    : Validate input
    #=================
    if [[ -z $mirror_pair ]]; then
        /usr/bin/dspmsg -s $CLMGR_SET $CLMGR_MSGS 100 "\nERROR: a name/label must be provided.\n\n" 1>&2
        rc=$RC_MISSING_INPUT
    fi

    #=================================================================
    : Create the storage agent if no input errors have been detected
    #=================================================================
    if (( $rc == RC_UNKNOWN )); then
        typeset nameOpt= ssOpt= vidOpt= pvidOpt=
        [[ -n $new_name ]] && nameOpt=" -N $new_name"
        [[ -n $disk1    ]] && d1Opt=" -d $disk1"
        [[ -n $disk2    ]] && d2Opt=" -D $disk2"

        print -- "$0()[$LINENO]($SECONDS): $HAXDWIZ/clxd_change_mdp_director -n $mirror_pair$nameOpt$d1Opt$d2Opt" >>$CLMGR_TMPLOG  # Always log commands
        $HAXDWIZ/clxd_change_mdp_director -n $mirror_pair$nameOpt$d1Opt$d2Opt
        rc=$?
        print "$0()[$LINENO]($SECONDS): clxd_change_mdp_director RC: $rc" >>$CLMGR_TMPLOG  # Always log command result

        if (( $rc != RC_SUCCESS )); then
            /usr/bin/dspmsg -s $CLMGR_SET $CLMGR_MSGS 201 "\nERROR: failed to create \"%1\$s\".\n\n" "$mirror_pair" 1>&2
            rc=$RC_ERROR
        fi

        #===========================================================
        : If output from this operation was requested, retrieve it
        #===========================================================
        if (( $rc == RC_SUCCESS )); then
            if (( CLMGR_VERBOSE )) || [[ -n $CLMGR_ATTRS ]]; then
                CL=$LINENO KLIB_HACMP_get_mirror_pair_attributes "$mirror_pair" properties
            fi
        fi
    fi

    #=======================================================================
    : If a user input error was detected, provide some helpful suggestions
    #=======================================================================
    if (( $rc == RC_MISSING_INPUT || $rc == RC_INCORRECT_INPUT )) && \
       [[ $CLMGR_GUI == *([[:space:]]) ]]
    then
        CL=$LINENO cl_dspmsg -s $CLMGR_SET $CLMGR_MSGS 104 "For more information about available options and syntax, try\n\"$HAUTILS/clmgr %1\$s\". As an\nalternative, if the PowerHA SystemMirror man pages have been installed, invoke\n\"$HAUTILS/clmgr -hv\" (or \"/usr/bin/man clmgr\"),\nsearching for \"%2\$s\" in the displayed text.\n\n" \
        "add mirror_pair -h" "MIRROR PAIR:" "$CLMGR_PROGNAME" 1>&2
    fi

    log_return_msg "$rc" "$0()" "$LINENO"
    return $?
} # End of "KLIB_HACMP_modify_mirror_pair()"