ktest.pl: Add MAIL_MAX_SIZE to limit the amount of log emailed

Add the ktest config option MAIL_MAX_SIZE that will limit the size of the
log file that is placed into the email on failure.

Link: https://lore.kernel.org/r/20200701231756.790637968@goodmis.orgReviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 34148b13
...@@ -227,6 +227,7 @@ my $dirname = $FindBin::Bin; ...@@ -227,6 +227,7 @@ my $dirname = $FindBin::Bin;
my $mailto; my $mailto;
my $mailer; my $mailer;
my $mail_path; my $mail_path;
my $mail_max_size;
my $mail_command; my $mail_command;
my $email_on_error; my $email_on_error;
my $email_when_finished; my $email_when_finished;
...@@ -263,6 +264,7 @@ my %option_map = ( ...@@ -263,6 +264,7 @@ my %option_map = (
"MAILTO" => \$mailto, "MAILTO" => \$mailto,
"MAILER" => \$mailer, "MAILER" => \$mailer,
"MAIL_PATH" => \$mail_path, "MAIL_PATH" => \$mail_path,
"MAIL_MAX_SIZE" => \$mail_max_size,
"MAIL_COMMAND" => \$mail_command, "MAIL_COMMAND" => \$mail_command,
"EMAIL_ON_ERROR" => \$email_on_error, "EMAIL_ON_ERROR" => \$email_on_error,
"EMAIL_WHEN_FINISHED" => \$email_when_finished, "EMAIL_WHEN_FINISHED" => \$email_when_finished,
...@@ -1497,10 +1499,18 @@ sub dodie { ...@@ -1497,10 +1499,18 @@ sub dodie {
my $log_file; my $log_file;
if (defined($opt{"LOG_FILE"})) { if (defined($opt{"LOG_FILE"})) {
my $size = 0;
if (defined($mail_max_size)) {
my $log_size = tell LOG;
$log_size -= $test_log_start;
if ($log_size > $mail_max_size) {
$size = $log_size - $mail_max_size;
}
}
$log_file = "$tmpdir/log"; $log_file = "$tmpdir/log";
open (L, "$opt{LOG_FILE}") or die "Can't open $opt{LOG_FILE} to read)"; open (L, "$opt{LOG_FILE}") or die "Can't open $opt{LOG_FILE} to read)";
open (O, "> $tmpdir/log") or die "Can't open $tmpdir/log\n"; open (O, "> $tmpdir/log") or die "Can't open $tmpdir/log\n";
seek(L, $test_log_start, 0); seek(L, $test_log_start + $size, 0);
while (<L>) { while (<L>) {
print O; print O;
} }
......
...@@ -442,6 +442,19 @@ ...@@ -442,6 +442,19 @@
# Users can cancel the test by Ctrl^C # Users can cancel the test by Ctrl^C
# (default 0) # (default 0)
#EMAIL_WHEN_CANCELED = 1 #EMAIL_WHEN_CANCELED = 1
#
# If a test ends with an error and EMAIL_ON_ERROR is set as well
# as a LOG_FILE is defined, then the log of the failing test will
# be included in the email that is sent.
# It is possible that the log may be very large, in which case,
# only the last amount of the log should be sent. To limit how
# much of the log is sent, set MAIL_MAX_SIZE. This will be the
# size in bytes of the last portion of the log of the failed
# test file. That is, if this is set to 100000, then only the
# last 100 thousand bytes of the log file will be included in
# the email.
# (default undef)
#MAIL_MAX_SIZE = 1000000
# Start a test setup. If you leave this off, all options # Start a test setup. If you leave this off, all options
# will be default and the test will run once. # will be default and the test will run once.
......
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