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e623aea2ec
Add helpers which automatically retry the provided command when the error message matches the provided keyword. This provides an easy way to handle the asynchronous nature of some ZFS commands. For example, the `zfs destroy` command may need to be retried in the case where the block device is unexpected busy. This can be accomplished as follows: log_must_busy $ZFS destroy ... Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #5002
461 lines
8.3 KiB
Bash
461 lines
8.3 KiB
Bash
#!/bin/ksh -p
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#
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# CDDL HEADER START
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License (the "License").
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# You may not use this file except in compliance with the License.
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#
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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# or http://www.opensolaris.org/os/licensing.
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# See the License for the specific language governing permissions
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# and limitations under the License.
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#
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# When distributing Covered Code, include this CDDL HEADER in each
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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# If applicable, add the following below this CDDL HEADER, with the
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# fields enclosed by brackets "[]" replaced with your own identifying
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# information: Portions Copyright [yyyy] [name of copyright owner]
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#
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# CDDL HEADER END
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#
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#
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# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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# Use is subject to license terms.
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#
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# Copyright (c) 2012 by Delphix. All rights reserved.
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#
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. ${STF_TOOLS}/include/stf.shlib
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# Output an assertion
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#
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# $@ - assertion text
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function log_assert
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{
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_printline ASSERTION: "$@"
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}
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# Output a comment
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#
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# $@ - comment text
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function log_note
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{
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_printline NOTE: "$@"
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}
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# Execute and print command with status where success equals non-zero result
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#
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# $@ - command to execute
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#
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# return 0 if command fails, otherwise return 1
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function log_neg
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{
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log_neg_expect "" "$@"
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return $?
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}
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# Execute a positive test and exit $STF_FAIL is test fails
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#
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# $@ - command to execute
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function log_must
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{
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log_pos "$@"
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(( $? != 0 )) && log_fail
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}
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# Execute a positive test but retry the command on failure if the output
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# matches an expected pattern. Otherwise behave like log_must and exit
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# $STF_FAIL is test fails.
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#
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# $1 - retry keyword
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# $2 - retry attempts
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# $3-$@ - command to execute
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#
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function log_must_retry
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{
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typeset out=""
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typeset logfile="/tmp/log.$$"
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typeset status=1
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typeset expect=$1
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typeset retry=$2
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typeset delay=1
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shift 2
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while [[ -e $logfile ]]; do
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logfile="$logfile.$$"
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done
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while (( $retry > 0 )); do
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"$@" 2>$logfile
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status=$?
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out="$CAT $logfile"
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if (( $status == 0 )); then
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$out | $EGREP -i "internal error|assertion failed" \
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> /dev/null 2>&1
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# internal error or assertion failed
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if [[ $? -eq 0 ]]; then
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print -u2 $($out)
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_printerror "$@" "internal error or" \
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" assertion failure exited $status"
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status=1
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else
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[[ -n $LOGAPI_DEBUG ]] && print $($out)
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_printsuccess "$@"
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fi
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break
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else
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$out | $GREP -i "$expect" > /dev/null 2>&1
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if (( $? == 0 )); then
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print -u2 $($out)
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_printerror "$@" "Retry in $delay seconds"
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$SLEEP $delay
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(( retry=retry - 1 ))
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(( delay=delay * 2 ))
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else
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break;
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fi
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fi
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done
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if (( $status != 0 )) ; then
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print -u2 $($out)
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_printerror "$@" "exited $status"
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fi
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_recursive_output $logfile "false"
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return $status
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}
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# Execute a positive test and exit $STF_FAIL is test fails after being
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# retried up to 5 times when the command returns the keyword "busy".
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#
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# $@ - command to execute
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function log_must_busy
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{
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log_must_retry "busy" 5 "$@"
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(( $? != 0 )) && log_fail
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}
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# Execute a negative test and exit $STF_FAIL if test passes
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#
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# $@ - command to execute
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function log_mustnot
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{
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log_neg "$@"
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(( $? != 0 )) && log_fail
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}
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# Execute a negative test with keyword expected, and exit
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# $STF_FAIL if test passes
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#
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# $1 - keyword expected
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# $2-$@ - command to execute
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function log_mustnot_expect
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{
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log_neg_expect "$@"
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(( $? != 0 )) && log_fail
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}
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# Execute and print command with status where success equals non-zero result
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# or output includes expected keyword
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#
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# $1 - keyword expected
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# $2-$@ - command to execute
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#
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# return 0 if command fails, or the output contains the keyword expected,
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# return 1 otherwise
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function log_neg_expect
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{
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typeset out=""
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typeset logfile="/tmp/log.$$"
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typeset ret=1
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typeset expect=$1
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shift
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while [[ -e $logfile ]]; do
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logfile="$logfile.$$"
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done
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"$@" 2>$logfile
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typeset status=$?
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out="$CAT $logfile"
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# unexpected status
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if (( $status == 0 )); then
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print -u2 $($out)
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_printerror "$@" "unexpectedly exited $status"
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# missing binary
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elif (( $status == 127 )); then
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print -u2 $($out)
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_printerror "$@" "unexpectedly exited $status (File not found)"
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# bus error - core dump
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elif (( $status == 138 )); then
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print -u2 $($out)
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_printerror "$@" "unexpectedly exited $status (Bus Error)"
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# segmentation violation - core dump
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elif (( $status == 139 )); then
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print -u2 $($out)
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_printerror "$@" "unexpectedly exited $status (SEGV)"
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else
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$out | $EGREP -i "internal error|assertion failed" \
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> /dev/null 2>&1
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# internal error or assertion failed
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if (( $? == 0 )); then
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print -u2 $($out)
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_printerror "$@" "internal error or assertion failure" \
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" exited $status"
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elif [[ -n $expect ]] ; then
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$out | $GREP -i "$expect" > /dev/null 2>&1
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if (( $? == 0 )); then
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ret=0
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else
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print -u2 $($out)
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_printerror "$@" "unexpectedly exited $status"
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fi
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else
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ret=0
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fi
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if (( $ret == 0 )); then
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[[ -n $LOGAPI_DEBUG ]] && print $($out)
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_printsuccess "$@" "exited $status"
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fi
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fi
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_recursive_output $logfile "false"
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return $ret
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}
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# Execute and print command with status where success equals zero result
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#
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# $@ command to execute
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#
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# return command exit status
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function log_pos
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{
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typeset out=""
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typeset logfile="/tmp/log.$$"
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while [[ -e $logfile ]]; do
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logfile="$logfile.$$"
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done
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"$@" 2>$logfile
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typeset status=$?
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out="$CAT $logfile"
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if (( $status != 0 )) ; then
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print -u2 $($out)
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_printerror "$@" "exited $status"
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else
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$out | $EGREP -i "internal error|assertion failed" \
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> /dev/null 2>&1
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# internal error or assertion failed
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if [[ $? -eq 0 ]]; then
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print -u2 $($out)
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_printerror "$@" "internal error or assertion failure" \
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" exited $status"
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status=1
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else
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[[ -n $LOGAPI_DEBUG ]] && print $($out)
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_printsuccess "$@"
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fi
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fi
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_recursive_output $logfile "false"
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return $status
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}
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# Set an exit handler
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#
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# $@ - function(s) to perform on exit
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function log_onexit
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{
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_CLEANUP="$@"
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}
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#
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# Exit functions
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#
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# Perform cleanup and exit $STF_PASS
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#
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# $@ - message text
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function log_pass
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{
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_endlog $STF_PASS "$@"
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}
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# Perform cleanup and exit $STF_FAIL
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#
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# $@ - message text
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function log_fail
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{
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_endlog $STF_FAIL "$@"
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}
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# Perform cleanup and exit $STF_UNRESOLVED
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#
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# $@ - message text
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function log_unresolved
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{
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_endlog $STF_UNRESOLVED "$@"
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}
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# Perform cleanup and exit $STF_NOTINUSE
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#
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# $@ - message text
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function log_notinuse
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{
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_endlog $STF_NOTINUSE "$@"
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}
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# Perform cleanup and exit $STF_UNSUPPORTED
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#
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# $@ - message text
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function log_unsupported
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{
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_endlog $STF_UNSUPPORTED "$@"
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}
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# Perform cleanup and exit $STF_UNTESTED
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#
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# $@ - message text
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function log_untested
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{
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_endlog $STF_UNTESTED "$@"
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}
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# Perform cleanup and exit $STF_UNINITIATED
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#
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# $@ - message text
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function log_uninitiated
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{
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_endlog $STF_UNINITIATED "$@"
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}
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# Perform cleanup and exit $STF_NORESULT
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#
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# $@ - message text
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function log_noresult
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{
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_endlog $STF_NORESULT "$@"
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}
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# Perform cleanup and exit $STF_WARNING
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#
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# $@ - message text
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function log_warning
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{
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_endlog $STF_WARNING "$@"
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}
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# Perform cleanup and exit $STF_TIMED_OUT
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#
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# $@ - message text
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function log_timed_out
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{
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_endlog $STF_TIMED_OUT "$@"
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}
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# Perform cleanup and exit $STF_OTHER
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#
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# $@ - message text
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function log_other
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{
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_endlog $STF_OTHER "$@"
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}
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#
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# Internal functions
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#
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# Perform cleanup and exit
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#
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# $1 - stf exit code
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# $2-$n - message text
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function _endlog
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{
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typeset logfile="/tmp/log.$$"
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_recursive_output $logfile
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if [[ -n $_CLEANUP ]] ; then
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typeset cleanup=$_CLEANUP
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log_onexit ""
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log_note "Performing local cleanup via log_onexit ($cleanup)"
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$cleanup
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fi
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typeset exitcode=$1
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shift
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(( ${#@} > 0 )) && _printline "$@"
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exit $exitcode
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}
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# Output a formatted line
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#
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# $@ - message text
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function _printline
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{
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print "$@"
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}
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# Output an error message
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#
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# $@ - message text
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function _printerror
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{
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_printline ERROR: "$@"
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}
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# Output a success message
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#
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# $@ - message text
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function _printsuccess
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{
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_printline SUCCESS: "$@"
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}
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# Output logfiles recursively
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#
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# $1 - start file
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# $2 - indicate whether output the start file itself, default as yes.
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function _recursive_output #logfile
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{
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typeset logfile=$1
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while [[ -e $logfile ]]; do
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if [[ -z $2 || $logfile != $1 ]]; then
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$CAT $logfile
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fi
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$RM -f $logfile
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logfile="$logfile.$$"
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done
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}
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