কনফিগারেশন
স্থাপন
cd /usr/share/ruby/vendor_ruby/mcollective/application
wget https://raw.githubusercontent.com/arnobroekhof/mcollective-plugin-power/master/application/power.rb
এবং
cd /usr/libexec/mcollective/mcollective/agent
wget https://raw.githubusercontent.com/arnobroekhof/mcollective-plugin-power/master/agent/power.ddl
wget https://raw.githubusercontent.com/arnobroekhof/mcollective-plugin-power/master/agent/power.rb
উভয় হোস্টে, যেমন test-server1এবং test-server2।
সেবা
উভয় পরিষেবাগুলিতে বিবিধ পুনরায় চালু করুন:
[vagrant@test-server1 ~]# sudo service mcollective restart
এবং
[vagrant@test-server2 ~]# sudo service mcollective restart
কমান্ড
এমকোলেক্টিভ সার্ভার নোডে নিম্নলিখিত কমান্ডগুলি চালনা করুন:
হোস্ট test-server2শুনছেন:
[vagrant@test-server1 ~]$ mco ping
test-server2 time=25.32 ms
test-server1 time=62.51 ms
---- ping statistics ----
2 replies max: 62.51 min: 25.32 avg: 43.91
পুনরায় বুট করুন test-server2:
[vagrant@test-server1 ~]$ mco power reboot -I test-server2
* [ ============================================================> ] 1 / 1
test-server2 Reboot initiated
Finished processing 1 / 1 hosts in 123.94 ms
test-server2পুনরায় বুট করার নেই:
[vagrant@test-server1 ~]$ mco ping
test-server1 time=13.87 ms
---- ping statistics ----
1 replies max: 13.87 min: 13.87 avg: 13.87
এবং এটি পুনরায় বুট করা হয়েছে:
[vagrant@test-server1 ~]$ mco ping
test-server1 time=22.88 ms
test-server2 time=54.27 ms
---- ping statistics ----
2 replies max: 54.27 min: 22.88 avg: 38.57
নোট করুন যে কোনও হোস্টের পাশাপাশি শাটডাউন করাও সম্ভব:
[vagrant@test-server1 ~]$ mco power shutdown -I test-server2
* [ ============================================================> ] 1 / 1
test-server2 Shutdown initiated
Finished processing 1 / 1 hosts in 213.18 ms
আসল কোড
/usr/libexec/mcollective/mcollective/agent/power.rb
module MCollective
module Agent
class Power<RPC::Agent
action "shutdown" do
out = ""
run("/sbin/shutdown -h now", :stdout => out, :chomp => true )
reply[:output] = "Shutdown initiated"
end
action "reboot" do
out = ""
run("/sbin/shutdown -r now", :stdout => out, :chomp => true )
reply[:output] = "Reboot initiated"
end
end
end
end
# vi:tabstop=2:expandtab:ai:filetype=ruby
/usr/libexec/mcollective/mcollective/agent/power.ddl
metadata :name => "power",
:description => "An agent that can shutdown or reboot them system",
:author => "A.Broekhof",
:license => "Apache 2",
:version => "2.1",
:url => "http://github.com/arnobroekhof/mcollective-plugins/wiki",
:timeout => 5
action "reboot", :description => "Reboots the system" do
display :always
output :output,
:description => "Reboot the system",
:display_as => "Power"
end
action "shutdown", :description => "Shutdown the system" do
display :always
output :output,
:description => "Shutdown the system",
:display_as => "Power"
end
/usr/share/ruby/vendor_ruby/mcollective/application/power.rb
class MCollective::Application::Power<MCollective::Application
description "Linux Power broker"
usage "power [reboot|shutdown]"
def post_option_parser(configuration)
if ARGV.size == 1
configuration[:command] = ARGV.shift
end
end
def validate_configuration(configuration)
raise "Command should be one of reboot or shutdown" unless configuration[:command] =~ /^shutdown|reboot$/
end
def main
mc = rpcclient("power")
mc.discover :verbose => true
mc.send(configuration[:command]).each do |node|
case configuration[:command]
when "reboot"
printf("%-40s %s\n", node[:sender], node[:data][:output])
when "shutdown"
printf("%-40s %s\n", node[:sender], node[:data][:output])
end
end
printrpcstats
mc.disconnect
end
end
# vi:tabstop=2:expandtab:ai
সংশোধিত কোড
/usr/libexec/mcollective/mcollective/agent/power.ddl
metadata :name => "power",
:description => "An agent that can shutdown or reboot them system",
:author => "A.Broekhof",
:license => "Apache 2",
:version => "2.1",
:url => "http://github.com/arnobroekhof/mcollective-plugins/wiki",
:timeout => 5
action "update-and-reboot", :description => "Reboots the system" do
display :always
output :output,
:description => "Reboot the system",
:display_as => "Power"
end
/usr/libexec/mcollective/mcollective/agent/power.rb
module MCollective
module Agent
class Power<RPC::Agent
action "update-and-reboot" do
out = ""
run("yum update -y && /sbin/shutdown -r now", :stdout => out, :chomp => true )
reply[:output] = "Reboot initiated"
end
end
end
end
# vi:tabstop=2:expandtab:ai:filetype=ruby
হুকুম
[vagrant@test-server1 ~]$ mco power update-and-reboot -I test-server2
* [ ============================================================> ] 1 / 1
Finished processing 1 / 1 hosts in 1001.22 ms