mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git
synced 2024-11-25 05:04:14 +08:00
cebf3b3722
Use TEST_TOP as base for tests to reference any files, this will be used for git and external testsuite. INTERNAL_BIN is needed for referencing binaries that could reside in different paths in git vs external testsuite. Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com> [ add quotes around sourced files, update changelog ] Signed-off-by: David Sterba <dsterba@suse.com>
651 lines
15 KiB
Bash
651 lines
15 KiB
Bash
#!/bin/bash
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#
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# Common routines for all tests
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#
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# assert that argument is not empty and is an existing path (file or directory)
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_assert_path()
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{
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local path
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path="$1"
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if [ -z "$path" ]; then
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echo "ASSERTION FAIL: $path is not valid"
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exit 1
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fi
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if [ -f "$path" -o -d "$path" -o -b "$path" ]; then
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return 0
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fi
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echo "ASSERTION FAIL: $path is not valid"
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exit 1
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}
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# $1: this string gets matched to files, absolute or relative path, or a
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# systemwide command available via $PATH
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_is_file_or_command()
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{
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local msg
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msg="$1"
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if [ -z "$msg" ]; then
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return 1
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fi
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if [ -f "$msg" -o -d "$msg" -o -b "$msg" ]; then
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return 0
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fi
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msg=$(type -p -- "$msg")
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if [ -f "$msg" ]; then
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return 0
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fi
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return 1
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}
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_fail()
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{
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echo "$*" | tee -a "$RESULTS"
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exit 1
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}
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# log a message to the results file
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_log()
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{
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echo "$*" | tee -a "$RESULTS"
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}
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_not_run()
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{
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echo " [NOTRUN] $*"
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exit 0
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}
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# debugging helper
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_dump_args()
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{
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local i
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i=1
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echo "DUMP args for ${FUNCNAME[1]}:"
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while [ $# -gt 0 ]; do
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echo "ARG[$i]: $1"
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i=$(($i+1))
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shift
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done
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}
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# read arguments, look if we're calling btrfs and if there's a known
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# subcommand, return argument index to insert, taking root helper into
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# consideration, returns 2 for unknown subcommand
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_get_spec_ins()
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{
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if [ "$1" = 'root_helper' ]; then
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if [[ $2 =~ /btrfs$ ]]; then
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echo -n 4
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return
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fi
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else
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if [[ $1 =~ /btrfs$ ]]; then
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echo -n 3
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return
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fi
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fi
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echo -n 2
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}
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# return command-specific arguments if enabled
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_cmd_spec()
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{
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if [ "$TEST_ENABLE_OVERRIDE" = 'true' ]; then
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# if defined via common.local, use it, otherwise pass make
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# arguments
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if [ "$(type -t _skip_spec)" = 'function' ]; then
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if _skip_spec "$@"; then
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return
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fi
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fi
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case "$1" in
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check) echo -n "$TEST_ARGS_CHECK" ;;
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esac
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fi
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}
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# Argument passing magic:
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# the command passed to run_* helpers is inspected, if there's 'btrfs command'
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# found and there are defined additional arguments, they're inserted just after
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# the command name, ie. any arguments in the test could override them.
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#
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# The root helper is recognized. Unrecognized subcommands or external tools
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# are not affected.
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run_check()
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{
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local spec
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local ins
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local cmd
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ins=$(_get_spec_ins "$@")
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spec=$(($ins-1))
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cmd=$(eval echo "\${$spec}")
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spec=$(_cmd_spec "${@:$spec}")
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set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
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echo "############### $@" >> "$RESULTS" 2>&1
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if [[ $TEST_LOG =~ tty ]]; then echo "CMD: $@" > /dev/tty; fi
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if [ "$1" = 'root_helper' ]; then
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"$@" >> "$RESULTS" 2>&1 || _fail "failed: $@"
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else
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$INSTRUMENT "$@" >> "$RESULTS" 2>&1 || _fail "failed: $@"
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fi
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}
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# same as run_check but the stderr+stdout output is duplicated on stdout and
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# can be processed further
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run_check_stdout()
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{
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local spec
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local ins
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local cmd
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ins=$(_get_spec_ins "$@")
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spec=$(($ins-1))
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cmd=$(eval echo "\${$spec}")
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spec=$(_cmd_spec "${@:$spec}")
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set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
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echo "############### $@" >> "$RESULTS" 2>&1
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if [[ $TEST_LOG =~ tty ]]; then echo "CMD(stdout): $@" > /dev/tty; fi
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if [ "$1" = 'root_helper' ]; then
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"$@" 2>&1 | tee -a "$RESULTS"
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else
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$INSTRUMENT "$@" 2>&1 | tee -a "$RESULTS"
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fi
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if [ ${PIPESTATUS[0]} -ne 0 ]; then
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_fail "failed: $@"
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fi
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}
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# same as run_check but does not fail the test if it's handled gracefully by
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# the tool, unexpected failure like segfault or abor will exit forcibly
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# output is logged
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run_mayfail()
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{
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local spec
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local ins
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local cmd
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local ret
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ins=$(_get_spec_ins "$@")
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spec=$(($ins-1))
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cmd=$(eval echo "\${$spec}")
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spec=$(_cmd_spec "${@:$spec}")
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set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
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echo "############### $@" >> "$RESULTS" 2>&1
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if [[ $TEST_LOG =~ tty ]]; then echo "CMD(mayfail): $@" > /dev/tty; fi
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if [ "$1" = 'root_helper' ]; then
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"$@" >> "$RESULTS" 2>&1
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else
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$INSTRUMENT "$@" >> "$RESULTS" 2>&1
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fi
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ret=$?
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if [ $ret != 0 ]; then
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echo "failed (ignored, ret=$ret): $@" >> "$RESULTS"
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if [ $ret == 139 ]; then
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_fail "mayfail: returned code 139 (SEGFAULT), not ignored"
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elif [ $ret == 134 ]; then
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_fail "mayfail: returned code 134 (SIGABRT), not ignored"
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fi
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return $ret
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fi
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}
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# first argument is error message to print if it fails, otherwise
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# same as run_check but expects the command to fail, output is logged
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run_mustfail()
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{
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local spec
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local ins
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local cmd
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local msg
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msg="$1"
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shift
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if _is_file_or_command "$msg"; then
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echo "ASSERTION FAIL: 1st argument of run_mustfail must be a message"
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exit 1
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fi
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ins=$(_get_spec_ins "$@")
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spec=$(($ins-1))
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cmd=$(eval echo "\${$spec}")
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spec=$(_cmd_spec "${@:$spec}")
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set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
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echo "############### $@" >> "$RESULTS" 2>&1
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if [[ $TEST_LOG =~ tty ]]; then echo "CMD(mustfail): $@" > /dev/tty; fi
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if [ "$1" = 'root_helper' ]; then
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"$@" >> "$RESULTS" 2>&1
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else
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$INSTRUMENT "$@" >> "$RESULTS" 2>&1
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fi
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if [ $? != 0 ]; then
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echo "failed (expected): $@" >> "$RESULTS"
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return 0
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else
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echo "succeeded (unexpected!): $@" >> "$RESULTS"
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_fail "unexpected success: $msg"
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return 1
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fi
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}
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# The first parameter is error message to print if it fails, just like
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# run_must_fail().
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# NOTE: we don't use pipefail to avoid disturbing other script, so here we
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# use a temporary output file.
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# So it doesn't support pipeline in the @cmd
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run_mustfail_stdout()
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{
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local spec
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local ins
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local cmd
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local msg
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local ret
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local tmp_output
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tmp_output=$(mktemp --tmpdir btrfs-progs-test--mustfail-stdtout.XXXXXX)
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msg="$1"
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shift
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if _is_file_or_command "$msg"; then
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echo "ASSERTION FAIL: 1st argument of run_mustfail_stdout must be a message"
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exit 1
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fi
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ins=$(_get_spec_ins "$@")
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spec=$(($ins-1))
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cmd=$(eval echo "\${$spec}")
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spec=$(_cmd_spec "${@:$spec}")
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set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
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echo "############### $@" >> "$RESULTS" 2>&1
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if [[ $TEST_LOG =~ tty ]]; then echo "CMD(mustfail): $@" > /dev/tty; fi
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if [ "$1" = 'root_helper' ]; then
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"$@" 2>&1 > "$tmp_output"
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else
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$INSTRUMENT "$@" 2>&1 > "$tmp_output"
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fi
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ret=$?
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cat "$tmp_output" >> "$RESULTS"
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cat "$tmp_output"
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rm "$tmp_output"
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if [ "$ret" != 0 ]; then
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echo "failed (expected): $@" >> "$RESULTS"
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return 0
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else
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echo "succeeded (unexpected!): $@" >> "$RESULTS"
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_fail "unexpected success: $msg"
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return 1
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fi
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}
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check_prereq()
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{
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if [ "$1" = "btrfs-corrupt-block" -o "$1" = "fssum" ]; then
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if ! [ -f "$INTERNAL_BIN/$1" ]; then
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_fail "Failed prerequisites: $INTERNAL_BIN/$1";
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fi
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elif ! [ -f "$TOP/$1" ]; then
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_fail "Failed prerequisites: $TOP/$1";
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fi
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}
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check_global_prereq()
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{
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which $1 &> /dev/null
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if [ $? -ne 0 ]; then
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_fail "Failed system wide prerequisities: $1";
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fi
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}
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check_image()
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{
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local image
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image=$1
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echo "testing image $(basename $image)" >> "$RESULTS"
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"$TOP/btrfs" check "$image" >> "$RESULTS" 2>&1
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[ $? -eq 0 ] && _fail "btrfs check should have detected corruption"
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run_check "$TOP/btrfs" check --repair "$image"
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run_check "$TOP/btrfs" check "$image"
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}
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# Extract a usable image from packed formats
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# - raw btrfs filesystem images, suffix .raw
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# - dtto compressed by XZ, suffix .raw.xz
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# - meta-dump images with suffix .img
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# - dtto compressed by XZ, suffix .img.xz
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# - compressed send stream, .stream.xz
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extract_image()
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{
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local image
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local cleanme
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image="$1"
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case "$image" in
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*.img)
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rm -f "$image.restored"
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;;
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*.img.xz)
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xz --decompress --keep "$image" || \
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_fail "failed to decompress image $image" >&2
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image=${image%%.xz}
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rm -f "$image.restored"
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cleanme=$image
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;;
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*.raw)
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cp --sparse=auto "$image" "$image.restored"
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;;
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*.raw.xz)
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xz --decompress --keep "$image" || \
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_fail "failed to decompress image $image" >&2
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image=${image%%.xz}
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mv "$image" "$image.restored"
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;;
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*.stream.xz)
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xz --decompress --keep "$image" || \
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_fail "failed to decompress file $image" >&2
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image=${image%%.xz}
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mv "$image" "$image.restored"
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;;
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esac
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if ! [ -f "$image.restored" ]; then
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echo "restoring image $(basename $image)" >> "$RESULTS"
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"$TOP/btrfs-image" -r "$image" "$image.restored" \
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&>> "$RESULTS" \
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|| _fail "failed to restore image $image" >&2
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fi
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[ -f "$cleanme" ] && rm -f "$cleanme"
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echo "$image.restored"
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}
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# Process all image dumps in a given directory
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check_all_images()
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{
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local dir
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local extracted
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dir="$1"
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if [ -z "$dir" ]; then
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dir=.
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fi
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_assert_path "$dir"
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for image in $(find "$dir" \( -iname '*.img' -o \
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-iname '*.img.xz' -o \
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-iname '*.raw' -o \
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-iname '*.raw.xz' \) | sort)
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do
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extracted=$(extract_image "$image")
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check_image "$extracted"
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rm -f "$extracted"
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done
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}
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# some tests need to mount the recovered image and do verifications call
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# 'setup_root_helper' and then check for have_root_helper == 1 if the test
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# needs to fail otherwise; using sudo by default for now
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SUDO_HELPER=
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NEED_SUDO_VALIDATE=unknown
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export SUDO_HELPER
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export NEED_SUDO_VALIDATE
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root_helper()
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{
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if [ $UID -eq 0 ]; then
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"$@"
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else
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if [ "$NEED_SUDO_VALIDATE" = 'yes' ]; then
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sudo -v -n &>/dev/null || \
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_not_run "Need to validate sudo credentials"
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sudo -n "$@"
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elif [ "$NEED_SUDO_VALIDATE" = 'no' ]; then
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sudo -n /bin/true &> /dev/null || \
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_not_run "Need to validate sudo user settings"
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sudo -n "$@"
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else
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# should not happen
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_not_run "Need to validate root privileges"
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fi
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fi
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}
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setup_root_helper()
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{
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if [ $UID -eq 0 -o -n "$SUDO_HELPER" ]; then
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return
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fi
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# Test for old sudo or special settings, which make sudo -v fail even
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# if user setting is NOPASSWD
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sudo -n /bin/true &>/dev/null && NEED_SUDO_VALIDATE=no
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# Newer sudo or default sudo setting
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sudo -v -n &>/dev/null && NEED_SUDO_VALIDATE=yes
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if [ "$NEED_SUDO_VALIDATE" = 'unknown' ]; then
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_not_run "Need to validate root privileges"
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fi
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SUDO_HELPER=root_helper
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}
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prepare_test_dev()
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{
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# num[K/M/G/T...]
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local size="$1"
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[[ "$size" ]] || size='2G'
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# Still truncate it to new size
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if [ -n "$TEST_DEV" ]; then
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truncate -s 0 "$TEST_DEV"
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truncate -s "$size" "$TEST_DEV"
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return;
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fi
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echo "\$TEST_DEV not given, using $TEST_TOP/test.img as fallback" >> \
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"$RESULTS"
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TEST_DEV="$TEST_TOP/test.img"
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truncate -s 0 "$TEST_DEV"
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truncate -s "$size" "$TEST_DEV" || _not_run "create file for loop device failed"
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}
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run_check_mount_test_dev()
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{
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setup_root_helper
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local loop_opt
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if [[ -b "$TEST_DEV" ]]; then
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loop_opt=""
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elif [[ -f "$TEST_DEV" ]]; then
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loop_opt="-o loop"
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else
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_fail "Invalid \$TEST_DEV: $TEST_DEV"
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fi
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[[ -d "$TEST_MNT" ]] || {
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_fail "Invalid \$TEST_MNT: $TEST_MNT"
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}
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run_check $SUDO_HELPER mount -t btrfs $loop_opt "$@" "$TEST_DEV" "$TEST_MNT"
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}
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# $1-$n: optional paths to unmount, otherwise fallback to TEST_DEV
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run_check_umount_test_dev()
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{
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setup_root_helper
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if [ "$#" = 0 ]; then
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set -- "$TEST_DEV"
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fi
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run_check $SUDO_HELPER umount "$@"
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}
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check_kernel_support()
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{
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if ! grep -iq 'btrfs' /proc/filesystems; then
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run_check $SUDO_HELPER modprobe btrfs
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if ! grep -iq 'btrfs' /proc/filesystems; then
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echo \
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"WARNING: btrfs filesystem not found in /proc/filesystems, some tests might fail"
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return 1
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fi
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fi
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return 0
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}
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# how many files to create.
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DATASET_SIZE=50
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generate_dataset() {
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dataset_type="$1"
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dirpath=$TEST_MNT/$dataset_type
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run_check $SUDO_HELPER mkdir -p "$dirpath"
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case "$dataset_type" in
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small)
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for num in $(seq 1 "$DATASET_SIZE"); do
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run_check $SUDO_HELPER dd if=/dev/urandom of="$dirpath/$dataset_type.$num" bs=10K \
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count=1 >/dev/null 2>&1
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done
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;;
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hardlink)
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for num in $(seq 1 "$DATASET_SIZE"); do
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run_check $SUDO_HELPER touch "$dirpath/$dataset_type.$num"
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run_check $SUDO_HELPER ln "$dirpath/$dataset_type.$num" "$dirpath/hlink.$num"
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done
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;;
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fast_symlink)
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for num in $(seq 1 "$DATASET_SIZE"); do
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run_check $SUDO_HELPER touch "$dirpath/$dataset_type.$num"
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run_check cd "$dirpath" && \
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$SUDO_HELPER ln -s "$dataset_type.$num" "$dirpath/slink.$num" && \
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cd /
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done
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;;
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brokenlink)
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for num in $(seq 1 "$DATASET_SIZE"); do
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run_check $SUDO_HELPER ln -s "$dirpath/$dataset_type.$num" "$dirpath/blink.$num"
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done
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;;
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perm)
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for modes in 777 775 755 750 700 666 664 644 640 600 444 440 400 000 \
|
|
1777 1775 1755 1750 1700 1666 1664 1644 1640 1600 1444 1440 1400 1000 \
|
|
2777 2775 2755 2750 2700 2666 2664 2644 2640 2600 2444 2440 2400 2000 \
|
|
4777 4775 4755 4750 4700 4666 4664 4644 4640 4600 4444 4440 4400 4000; do
|
|
run_check $SUDO_HELPER touch "$dirpath/$dataset_type.$modes"
|
|
run_check $SUDO_HELPER chmod "$modes" "$dirpath/$dataset_type.$modes"
|
|
done
|
|
;;
|
|
|
|
sparse)
|
|
for num in $(seq 1 "$DATASET_SIZE"); do
|
|
run_check $SUDO_HELPER dd if=/dev/urandom of="$dirpath/$dataset_type.$num" bs=10K \
|
|
count=1 >/dev/null 2>&1
|
|
run_check $SUDO_HELPER truncate -s 500K "$dirpath/$dataset_type.$num"
|
|
run_check $SUDO_HELPER dd if=/dev/urandom of="$dirpath/$dataset_type.$num" bs=10K \
|
|
oflag=append conv=notrunc count=1 >/dev/null 2>&1
|
|
run_check $SUDO_HELPER truncate -s 800K "$dirpath/$dataset_type.$num"
|
|
done
|
|
;;
|
|
|
|
acls)
|
|
for num in $(seq 1 "$DATASET_SIZE"); do
|
|
run_check $SUDO_HELPER touch "$dirpath/$dataset_type.$num"
|
|
run_check $SUDO_HELPER setfacl -m "u:root:x" "$dirpath/$dataset_type.$num"
|
|
run_check $SUDO_HELPER setfattr -n user.foo -v "bar$num" "$dirpath/$dataset_type.$num"
|
|
done
|
|
;;
|
|
|
|
fifo)
|
|
for num in $(seq 1 "$DATASET_SIZE"); do
|
|
run_check $SUDO_HELPER mkfifo "$dirpath/$dataset_type.$num"
|
|
done
|
|
;;
|
|
|
|
slow_symlink)
|
|
long_filename=`date +%s | sha256sum | cut -f1 -d ' '`
|
|
run_check $SUDO_HELPER touch "$dirpath/$long_filename"
|
|
for num in $(seq 1 "$DATASET_SIZE"); do
|
|
run_check $SUDO_HELPER ln -s "$dirpath/$long_filename" "$dirpath/slow_slink.$num"
|
|
done
|
|
;;
|
|
large)
|
|
run_check $SUDO_HELPER dd if=/dev/urandom bs=32M count=1 \
|
|
of="$dirpath/$dataset_type" >/dev/null 2>&1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# prepare environment for loop devices, set up the following variables
|
|
# - nloopdevs -- number of desired devices
|
|
# - loopdevs -- array containing paths to all devices (after prepare is called)
|
|
# - loopdev_prefix -- file backed images starting with this string, 'img' by default
|
|
#
|
|
# $1: number of loop devices to be set up
|
|
setup_loopdevs()
|
|
{
|
|
if [ -z "$1" ]; then
|
|
_fail "setup_loopdevs needs a number"
|
|
fi
|
|
nloopdevs="$1"
|
|
loopdev_prefix=img
|
|
declare -a loopdevs
|
|
|
|
}
|
|
|
|
# create all loop devices from a given loopdev environment
|
|
prepare_loopdevs()
|
|
{
|
|
for i in `seq $nloopdevs`; do
|
|
touch $loopdev_prefix$i
|
|
chmod a+rw $loopdev_prefix$i
|
|
truncate -s0 $loopdev_prefix$i
|
|
truncate -s2g $loopdev_prefix$i
|
|
loopdevs[$i]=`run_check_stdout $SUDO_HELPER losetup --find --show $loopdev_prefix$i`
|
|
done
|
|
}
|
|
|
|
# detach loop devices and reset their size to 0, delete the files afterwards
|
|
cleanup_loopdevs()
|
|
{
|
|
for dev in ${loopdevs[@]}; do
|
|
run_check $SUDO_HELPER losetup -d $dev
|
|
done
|
|
for i in `seq $nloopdevs`; do
|
|
truncate -s0 $loopdev_prefix$i
|
|
rm -- "$loopdev_prefix$i"
|
|
done
|
|
run_check $SUDO_HELPER losetup --all
|
|
}
|
|
|
|
init_env()
|
|
{
|
|
TEST_MNT="${TEST_MNT:-$TEST_TOP/mnt}"
|
|
export TEST_MNT
|
|
mkdir -p "$TEST_MNT" || { echo "Failed mkdir -p $TEST_MNT"; exit 1; }
|
|
|
|
source $TEST_TOP/common.local
|
|
|
|
if [ "$TEST_ENABLE_OVERRIDE" = 'true' -a -n "$RESULTS" ]; then
|
|
echo "INCLUDE common.local" >> "$RESULTS"
|
|
echo " check: $TEST_ARGS_CHECK" >> "$RESULTS"
|
|
fi
|
|
}
|
|
init_env
|