Usage: multi-qemu [-n] [-c] [-q]
-n, --name HOSTNAME_PREFIX specify used hostname_prefix
-c, --count count how much VM do you need
-q, --queues queues queues from which tasks are obtained
-h, --help show this message
example:
./multi-qemu -n vm-2p8g.xsw -c 2 -q vm-2p8g~xsw,vm-2p8g.aarch64
Signed-off-by: Xiao Shenwei <xiaoshenwei96(a)163.com>
---
providers/multi-qemu | 98 +++++++++++++++++++++++++++++++++-----------
1 file changed, 74 insertions(+), 24 deletions(-)
diff --git a/providers/multi-qemu b/providers/multi-qemu
index 23e0451..03564f7 100755
--- a/providers/multi-qemu
+++ b/providers/multi-qemu
@@ -4,41 +4,91 @@
# frozen_string_literal: true
require 'fileutils'
+require 'optparse'
+require 'time'
-PWD = Dir.pwd
+opt = {}
+options = OptionParser.new do |opts|
+ opts.banner = 'Usage: multi-qemu [-n] [-c] [-q]'
+
+ opts.separator ''
+ opts.on('-n HOSTNAME_PREFIX', '--name HOSTNAME_PREFIX', 'specify used hostname_prefix') do |name|
+ opt['hostname_prefix'] = name
+ end
+
+ opts.on('-c count', '--count count', 'how much VM do you need') do |num|
+ opt['nr_vm'] = num
+ end
+
+ opts.on('-q queues', '--queues queues', 'requested queues, use "," to separate more than 2 values') do |queues|
+ opt['queues'] = queues
+ end
+
+ opts.on_tail('-h', '--help', 'show this message') do
+ puts opts
+ exit
+ end
+end
+
+if ARGV.size.zero?
+ puts options
+ exit
+end
+
+options.parse!(ARGV)
# Run multiple QEMU in parallel
-HOSTNAME = ARGV[0] || "vm-2p8g--#{ENV['USER']}"
-NR_VM = ARGV[1] || 1
+PWD = Dir.pwd
+HOSTNAME = opt['hostname_prefix'] || "vm-2p8g.#{ENV['USER']}"
+NR_VM = opt['nr_vm'] || 1
+QUEUES = opt['queues'] || "vm-2p8g.#{RUBY_PLATFORM.split('-')[0]}"
+LOG_DIR = '/srv/cci/serial/logs'
-def run(seqno)
- loop do
- start_time = Time.new
- hostname = "#{HOSTNAME}-#{seqno}"
- log_file = "/srv/cci/serial/logs/#{hostname}"
+def main(hostname)
+ start_time = Time.new.strftime('%Y-%m-%d %H:%M:%S')
+ log_file = "#{LOG_DIR}/#{hostname}"
+ record_runtime(log_file, start_time)
+ run_vm(hostname)
+ duration = ((Time.new - Time.parse(start_time)) / 60).round(2)
+ record_runtime(log_file, duration, is_start: false)
+end
+def record_runtime(log_file, message, is_start: true)
+ if is_start
File.open(log_file, 'w') do |f|
# fluentd refresh time is 1s
# let fluentd to monitor this file first
sleep(2)
- f.puts "\n#{start_time.strftime('%Y-%m-%d %H:%M:%S')} starting QEMU"
+ f.puts "\n#{message} starting QEMU"
end
+ return
+ end
+ File.open(log_file, 'a') do |f|
+ f.puts "\nTotal QEMU duration: #{message} minutes"
+ end
+end
- pwd_hostname = File.join(PWD, hostname)
- FileUtils.mkdir_p(pwd_hostname) unless File.exist?(pwd_hostname)
- FileUtils.cd(pwd_hostname)
- system(
- { 'hostname' => hostname },
- ENV['CCI_SRC'] + '/providers/qemu.sh'
- )
-
- duration = ((Time.new - start_time) / 60).round(2)
- File.open(log_file, 'a') do |f|
- f.puts "\nTotal QEMU duration: #{duration} minutes"
- end
+def run_vm(hostname)
+ pwd_hostname = File.join(PWD, hostname)
+ FileUtils.mkdir_p(pwd_hostname) unless File.exist?(pwd_hostname)
+ FileUtils.cd(pwd_hostname)
+ system(
+ { 'hostname' => hostname, 'queues' => QUEUES },
+ ENV['CCI_SRC'] + '/providers/qemu.sh'
+ )
+end
- # sleep 5s is for fluentd to collect it's log
- sleep(5)
+def loop_main(hostname)
+ loop do
+ begin
+ main(hostname)
+ rescue StandardError => e
+ puts e.backtrace
+ # if an exception happend, request the next time after 30 seconds
+ sleep 25
+ ensure
+ sleep 5
+ end
end
end
@@ -55,7 +105,7 @@ def multiqemu
pids = []
NR_VM.to_i.times do |i|
pid = Process.fork do
- run i
+ loop_main("#{HOSTNAME}-#{i}")
end
pids << pid
end
--
2.23.0