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| | #!/usr/bin/env ruby
# -*- encoding: binary -*-
# Copyright (C) 2012-2015 all contributors <cmogstored-public@bogomips.org>
# License: GPLv3 or later (see COPYING for details)
require 'test/test_helper'
require 'digest/md5'
class TestMgmt < Test::Unit::TestCase
def setup
@tmpdir = Dir.mktmpdir('cmogstored-mgmt-test')
@to_close = []
@host = TEST_HOST
srv = TCPServer.new(@host, 0)
@port = srv.addr[1]
srv.close
@err = Tempfile.new("stderr")
cmd = [ "cmogstored", "--docroot=#@tmpdir", "--mgmtlisten=#@host:#@port",
"--maxconns=500" ]
vg = ENV["VALGRIND"] and cmd = vg.split(/\s+/).concat(cmd)
@pid = fork {
$stderr.reopen(@err)
@err.close
exec(*cmd)
}
@client = get_client
end
def teardown
Process.kill(:QUIT, @pid) rescue nil
_, status = Process.waitpid2(@pid)
@to_close.each { |io| io.close unless io.closed? }
FileUtils.rm_rf(@tmpdir)
@err.rewind
$stderr.write(@err.read)
assert status.success?, status.inspect
end
def t(expect_out, input)
expect_out += "\r\n"
input += "\r\n"
@client.write(input)
output = @client.gets
assert_equal expect_out, output
end
def test_size
File.open("#@tmpdir/foo", "wb") { |fp| fp.write(' ' * 3) }
t("/foo 3", "size /foo")
t("/missing -1", "size /missing")
Dir.mkdir("#@tmpdir/dev666")
File.open("#@tmpdir/dev666/sausage", "wb").close
t("/dev666/sausage 0", "size /dev666/sausage")
end
def test_unknown_command
t("ERROR: unknown command: hello", " hello ")
t("ERROR: unknown command: hello", "hello")
t("ERROR: unknown command: size", "size bad")
end
def test_invalid_uri
t("ERROR: uri invalid (contains ..)", "size /..")
t("ERROR: uri invalid (contains ..)", "size /..")
t("ERROR: uri invalid (contains ..)", "size /a/..")
t("ERROR: uri invalid (contains ..)", "size /a/../b")
longest = "/dev16777215/0/000/000/0123456789.fid"
t("#{longest} -1", "size #{longest}")
# non-sensical error, but whatever...
too_long = longest + "-"
t("ERROR: uri invalid (contains ..)", "size #{too_long}")
end
def test_no_command
t("", "");
t("", " ");
end
def test_md5
buf = ' ' * 3
expect = "/foo MD5=#{Digest::MD5.hexdigest(buf)}"
File.open("#@tmpdir/foo", "wb") { |fp| fp.write(buf) }
t(expect, "MD5 /foo")
t("/missing MD5=-1", "MD5 /missing")
%w(fsck create_close replicate).each do |reason|
t(expect, "MD5 /foo #{reason}")
t("/missing MD5=-1", "MD5 /missing #{reason}")
end
end
def test_sha1
buf = ' ' * 3
expect = "/foo SHA-1=#{Digest::SHA1.hexdigest(buf)}"
File.open("#@tmpdir/foo", "wb") { |fp| fp.write(buf) }
t(expect, "SHA-1 /foo")
t("/missing SHA-1=-1", "SHA-1 /missing")
%w(fsck create_close replicate).each do |reason|
t(expect, "SHA-1 /foo #{reason}")
t("/missing SHA-1=-1", "SHA-1 /missing #{reason}")
end
end
def test_continuous_feed
n = 0
File.open("#@tmpdir/-1.fid", "wb").close
200.times do |i|
File.rename("#@tmpdir/#{i-1}.fid", "#@tmpdir/#{i}.fid")
n += @client.write("size /#{i}.fid\r\n")
x = @client.gets
assert_equal "/#{i}.fid 0\r\n", x
end
@client.write "bad command\r\n"
assert_equal "ERROR: unknown command: bad\r\n", @client.gets
@client.write " bad command\r\n"
assert_equal "ERROR: unknown command: bad\r\n", @client.gets
@client.write "size /foo bar\r\n"
assert_equal "ERROR: unknown command: size\r\n", @client.gets
@client.write "size /foo\r\n"
assert_equal "/foo -1\r\n", @client.gets
end
def test_continuous_feed_mt
n = 0
nr = 200
pfx = rand.to_s
delay = 0.01
thr = Thread.new do
nr.times do |i|
sleep delay
x = @client.gets
assert_equal "/#{pfx}-#{i} -1\r\n", x
end
end
nr.times do |i|
n += @client.write("size /#{pfx}-#{i}\r\n")
end
delay = 0
thr.join
end
def test_monster_line
assert_raises(Errno::ECONNRESET, Errno::EPIPE) {
@client.write("size /#{'0' * (400 * 1024)}\r\n")
@client.gets
}
@client = TCPSocket.new(@host, @port)
@to_close << @client
t("/missing -1", "size /missing")
end
def test_trickle
"size /missing\r\n".split(//).each do |c|
@client.write c
sleep 0.01
end
assert_equal "/missing -1\r\n", @client.gets
end
def test_trickle_too_large
@client.write "size /"
Thread.pass
# this should hit the 64K limit
assert_raises(Errno::EPIPE, Errno::ECONNRESET) do
loop do
@client.write("12345")
Thread.pass
end
end
end
def test_client_eof
t("/missing -1", "size /missing")
@client.close
@client = TCPSocket.new(@host, @port)
@to_close << @client
t("/missing -1", "size /missing")
end
def test_md5_feed
buf = ' ' * 3
50.times do |i|
pfx = (rand * i).to_s[0..rand(30)] + "a"
expect = "/#{pfx} MD5=#{Digest::MD5.hexdigest(buf)}\r\n"
File.open("#@tmpdir/#{pfx}", "wb") { |fp| fp.write(buf) }
nr = 100
th = Thread.new { @client.write("MD5 /#{pfx}\r\n" * nr) }
nr.times do |j|
assert_equal expect, @client.gets, "j=#{j}" # pfx=#{pfx} i=#{i}"
end
th.join
end
end
def test_size_huge
big = 2 * 1024 * 1024 * 1024 * 1020 # 2TB
sparse_file_prepare(big)
t("/dev666/sparse-file.fid #{big}", "size /dev666/sparse-file.fid")
rescue Errno::ENOSPC
end
def test_concurrent_md5_fsck
sparse_file_prepare
threads = (0..5).map do
Thread.new do
c = get_client
c.write("MD5 /dev666/sparse-file.fid fsck\r\n")
c.gets
end
end
answers = {}
threads.each do |thr|
val = thr.value
answers[val] = true
assert_match(%r{\A/dev666/sparse-file\.fid MD5=[a-f0-9]{32}\r\n}, val)
end
assert_equal 1, answers.size
rescue Errno::ENOSPC
end
def test_concurrent_md5_fsck_pipelined
sparse_file_prepare
threads = (0..5).map do
Thread.new do
c = get_client
c.write("MD5 /dev666/sparse-file.fid fsck\r\n" * 3)
[ c.gets, c.gets, c.gets ]
end
end
answers = {}
threads.each do |thr|
val = thr.value
val.each do |line|
answers[line] = true
assert_match(%r{\A/dev666/sparse-file\.fid MD5=[a-f0-9]{32}\r\n}, line)
end
end
assert_equal 1, answers.size
rescue Errno::ENOSPC
end
# ensure aborted requests do not trigger failure in graceful shutdown
def test_concurrent_md5_fsck_abort
sparse_file_prepare
File.open("#@tmpdir/dev666/sparse-file.fid") do |fp|
if fp.respond_to?(:advise)
# clear the cache
fp.advise(:dontneed)
req = "MD5 /dev666/sparse-file.fid fsck\r\n"
starter = get_client
clients = (1..5).map { get_client }
starter.write(req)
threads = clients.map do |c|
Thread.new(c) do |client|
client.write(req)
client.shutdown
client.close
:ok
end
end
threads.each { |thr| assert_equal :ok, thr.value }
line = starter.gets
assert_match(%r{\A/dev666/sparse-file\.fid MD5=[a-f0-9]{32}\r\n}, line)
starter.close
end
end
end
def test_aio_threads
tries = 1000
@client.write "WTF\r\n"
assert_match(%r{ERROR: unknown command}, @client.gets)
t_yield # wait for threads to spawn
taskdir = "/proc/#@pid/task"
glob = "#{taskdir}/*"
prev_threads = Dir[glob].size if File.directory?(taskdir)
@client.write "server aio_threads = 1\r\n"
assert_equal "\r\n", @client.gets
if RUBY_PLATFORM =~ /linux/
assert File.directory?(taskdir), "/proc not mounted on Linux?"
end
if File.directory?(taskdir)
while prev_threads == Dir[glob].size && (tries -= 1) > 0
sleep(0.1)
end
cur_threads = Dir[glob].size
assert prev_threads != cur_threads,
"prev_threads=#{prev_threads} != cur_threads=#{cur_threads}"
end
@client.write "server aio_threads=6\r\n"
assert_equal "\r\n", @client.gets
@client.write "WTF\r\n"
assert_match(%r{ERROR: unknown command}, @client.gets)
end
def test_aio_threads_spam
@client.write "WTF\r\n"
assert_match(%r{ERROR: unknown command}, @client.gets)
t_yield # wait for threads to spawn
100.times do |i|
@client.write "server aio_threads = 1\r\n"
assert_equal "\r\n", @client.readpartial(4)
@client.write "server aio_threads = 2\r\n"
assert_equal "\r\n", @client.readpartial(4)
end
end
def test_giant_devid_skip
max = 16777215 # devid is MEDIUMINT in DB
Dir.mkdir("#@tmpdir/dev#{max}")
Dir.mkdir("#@tmpdir/dev#{max + 1}")
@client.write "watch\n"
lines = []
3.times do # 3 times in case we're slow
begin
line = @client.gets
lines << line
end until line == ".\n"
end
assert lines.grep(/\b#{max}\b/)[0], swarn(lines.inspect)
assert_nil lines.grep(/\b#{max + 1}\b/)[0]
assert File.exist?("#@tmpdir/dev#{max}/usage")
assert ! File.exist?("#@tmpdir/dev#{max + 1}/usage")
end if `which iostat 2>/dev/null`.chomp.size != 0 &&
RUBY_PLATFORM !~ /kfreebsd-gnu/
def test_iostat_watch
Dir.mkdir("#@tmpdir/dev666")
@client.write "watch\n"
str = nil
# wait for iostat to catch up
30.times do
str = @client.gets
assert_kind_of String, str
break if str =~ /^666\t/
end
util = RUBY_PLATFORM =~ /linux/ ? %r{\d+\.\d\d} : %r{\d+(?:\.\d+)?}
assert_match(/^666\t#{util}\n/, str, swarn(str.inspect))
assert_equal ".\n", @client.gets
end if `which iostat 2>/dev/null`.chomp.size != 0 &&
RUBY_PLATFORM !~ /kfreebsd-gnu/
def test_iostat_watch_multidir
Dir.mkdir("#@tmpdir/dev666")
Dir.mkdir("#@tmpdir/dev999")
@client.write "watch\n"
# wait for iostat to catch up
3.times { assert_kind_of String, @client.gets }
util = RUBY_PLATFORM =~ /linux/ ? %r{\d+\.\d\d} : %r{\d+(?:\.\d+)?}
lines = []
lines << @client.gets
lines << @client.gets
assert_match(/^(666|999)\t#{util}\n/, lines[0], swarn(lines.inspect))
assert_match(/^(666|999)\t#{util}\n/, lines[1], swarn(lines.inspect))
assert_not_equal(lines[0], lines[1])
assert_equal ".\n", @client.gets
end if `which iostat 2>/dev/null`.chomp.size != 0 &&
RUBY_PLATFORM !~ /kfreebsd-gnu/
def swarn(str)
"#{str} slow mountpoints increases the chance of this test failing"
end
def sparse_file_prepare(big = nil)
Dir.mkdir("#@tmpdir/dev666")
if nil == big
big = 1024 * 1024 * 500 # only 500M
big /= 10 if ENV["VALGRIND"] # valgrind slows us down enough :P
end
File.open("#@tmpdir/dev666/sparse-file.fid", "w") do |fp|
begin
fp.seek(big - 1)
rescue Errno::EINVAL, Errno::ENOSPC
big /= 2
warn "trying large file size: #{big}"
retry
end
fp.write('.')
end
end
def test_gigantic_path
@client.write("MD5 /foo ")
(1..50000).each do |i|
@client.write((i % 10).to_s)
end
@client.write("\r\n")
output = @client.gets
assert_equal "/foo MD5=-1\r\n", output
end
end
|