valkey/tests/support/server.tcl

316 lines
9.0 KiB
Tcl

set ::global_overrides {}
set ::tags {}
set ::valgrind_errors {}
proc start_server_error {config_file error} {
set err {}
append err "Cant' start the Redis server\n"
append err "CONFIGURATION:"
append err [exec cat $config_file]
append err "\nERROR:"
append err [string trim $error]
send_data_packet $::test_server_fd err $err
}
proc check_valgrind_errors stderr {
set fd [open $stderr]
set buf [read $fd]
close $fd
if {[regexp -- { at 0x} $buf] ||
(![regexp -- {definitely lost: 0 bytes} $buf] &&
![regexp -- {no leaks are possible} $buf])} {
send_data_packet $::test_server_fd err "Valgrind error: $buf\n"
}
}
proc kill_server config {
# nothing to kill when running against external server
if {$::external} return
# nevermind if its already dead
if {![is_alive $config]} { return }
set pid [dict get $config pid]
# check for leaks
if {![dict exists $config "skipleaks"]} {
catch {
if {[string match {*Darwin*} [exec uname -a]]} {
tags {"leaks"} {
test "Check for memory leaks (pid $pid)" {
set output {0 leaks}
catch {exec leaks $pid} output
if {[string match {*process does not exist*} $output]} {
# In a few tests we kill the server process.
set output "0 leaks"
}
set output
} {*0 leaks*}
}
}
}
}
# kill server and wait for the process to be totally exited
catch {exec kill $pid}
while {[is_alive $config]} {
incr wait 10
if {$wait >= 5000} {
puts "Forcing process $pid to exit..."
catch {exec kill -KILL $pid}
} elseif {$wait % 1000 == 0} {
puts "Waiting for process $pid to exit..."
}
after 10
}
# Check valgrind errors if needed
if {$::valgrind} {
check_valgrind_errors [dict get $config stderr]
}
}
proc is_alive config {
set pid [dict get $config pid]
if {[catch {exec ps -p $pid} err]} {
return 0
} else {
return 1
}
}
proc ping_server {host port} {
set retval 0
if {[catch {
set fd [socket $host $port]
fconfigure $fd -translation binary
puts $fd "PING\r\n"
flush $fd
set reply [gets $fd]
if {[string range $reply 0 0] eq {+} ||
[string range $reply 0 0] eq {-}} {
set retval 1
}
close $fd
} e]} {
if {$::verbose} {
puts -nonewline "."
}
} else {
if {$::verbose} {
puts -nonewline "ok"
}
}
return $retval
}
# Return 1 if the server at the specified addr is reachable by PING, otherwise
# returns 0. Performs a try every 50 milliseconds for the specified number
# of retries.
proc server_is_up {host port retrynum} {
after 10 ;# Use a small delay to make likely a first-try success.
set retval 0
while {[incr retrynum -1]} {
if {[catch {ping_server $host $port} ping]} {
set ping 0
}
if {$ping} {return 1}
after 50
}
return 0
}
# doesn't really belong here, but highly coupled to code in start_server
proc tags {tags code} {
set ::tags [concat $::tags $tags]
uplevel 1 $code
set ::tags [lrange $::tags 0 end-[llength $tags]]
}
proc start_server {options {code undefined}} {
# If we are running against an external server, we just push the
# host/port pair in the stack the first time
if {$::external} {
if {[llength $::servers] == 0} {
set srv {}
dict set srv "host" $::host
dict set srv "port" $::port
set client [redis $::host $::port]
dict set srv "client" $client
$client select 9
# append the server to the stack
lappend ::servers $srv
}
uplevel 1 $code
return
}
# setup defaults
set baseconfig "default.conf"
set overrides {}
set tags {}
# parse options
foreach {option value} $options {
switch $option {
"config" {
set baseconfig $value }
"overrides" {
set overrides $value }
"tags" {
set tags $value
set ::tags [concat $::tags $value] }
default {
error "Unknown option $option" }
}
}
set data [split [exec cat "tests/assets/$baseconfig"] "\n"]
set config {}
foreach line $data {
if {[string length $line] > 0 && [string index $line 0] ne "#"} {
set elements [split $line " "]
set directive [lrange $elements 0 0]
set arguments [lrange $elements 1 end]
dict set config $directive $arguments
}
}
# use a different directory every time a server is started
dict set config dir [tmpdir server]
# start every server on a different port
set ::port [find_available_port [expr {$::port+1}]]
dict set config port $::port
# apply overrides from global space and arguments
foreach {directive arguments} [concat $::global_overrides $overrides] {
dict set config $directive $arguments
}
# write new configuration to temporary file
set config_file [tmpfile redis.conf]
set fp [open $config_file w+]
foreach directive [dict keys $config] {
puts -nonewline $fp "$directive "
puts $fp [dict get $config $directive]
}
close $fp
set stdout [format "%s/%s" [dict get $config "dir"] "stdout"]
set stderr [format "%s/%s" [dict get $config "dir"] "stderr"]
if {$::valgrind} {
exec valgrind --suppressions=src/valgrind.sup --show-reachable=no --show-possibly-lost=no --leak-check=full src/redis-server $config_file > $stdout 2> $stderr &
} else {
exec src/redis-server $config_file > $stdout 2> $stderr &
}
# check that the server actually started
# ugly but tries to be as fast as possible...
if {$::valgrind} {set retrynum 1000} else {set retrynum 100}
if {$::verbose} {
puts -nonewline "=== ($tags) Starting server ${::host}:${::port} "
}
if {$code ne "undefined"} {
set serverisup [server_is_up $::host $::port $retrynum]
} else {
set serverisup 1
}
if {$::verbose} {
puts ""
}
if {!$serverisup} {
set err {}
append err [exec cat $stdout] "\n" [exec cat $stderr]
start_server_error $config_file $err
return
}
# find out the pid
while {![info exists pid]} {
regexp {\[(\d+)\]} [exec cat $stdout] _ pid
after 100
}
# setup properties to be able to initialize a client object
set host $::host
set port $::port
if {[dict exists $config bind]} { set host [dict get $config bind] }
if {[dict exists $config port]} { set port [dict get $config port] }
# setup config dict
dict set srv "config_file" $config_file
dict set srv "config" $config
dict set srv "pid" $pid
dict set srv "host" $host
dict set srv "port" $port
dict set srv "stdout" $stdout
dict set srv "stderr" $stderr
# if a block of code is supplied, we wait for the server to become
# available, create a client object and kill the server afterwards
if {$code ne "undefined"} {
set line [exec head -n1 $stdout]
if {[string match {*already in use*} $line]} {
error_and_quit $config_file $line
}
while 1 {
# check that the server actually started and is ready for connections
if {[exec grep "ready to accept" | wc -l < $stdout] > 0} {
break
}
after 10
}
# append the server to the stack
lappend ::servers $srv
# connect client (after server dict is put on the stack)
reconnect
# execute provided block
set num_tests $::num_tests
if {[catch { uplevel 1 $code } error]} {
set backtrace $::errorInfo
# Kill the server without checking for leaks
dict set srv "skipleaks" 1
kill_server $srv
# Print warnings from log
puts [format "\nLogged warnings (pid %d):" [dict get $srv "pid"]]
set warnings [warnings_from_file [dict get $srv "stdout"]]
if {[string length $warnings] > 0} {
puts "$warnings"
} else {
puts "(none)"
}
puts ""
error $error $backtrace
}
# Don't do the leak check when no tests were run
if {$num_tests == $::num_tests} {
dict set srv "skipleaks" 1
}
# pop the server object
set ::servers [lrange $::servers 0 end-1]
set ::tags [lrange $::tags 0 end-[llength $tags]]
kill_server $srv
} else {
set ::tags [lrange $::tags 0 end-[llength $tags]]
set _ $srv
}
}