+++ /dev/null
-#!/usr/bin/perl -w
-
-#############################################################################################################
-# #
-# Developed by Ingard Mevåg @ Oslo University College, spring 2007 #
-# ingard [at] mevaag [dot] no #
-# #
-# This work is licensed under the Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. #
-# To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter #
-# to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA. #
-# #
-#############################################################################################################
-
-use strict;
-# http://search.cpan.org/~rjray/RPC-XML-0.59/lib/RPC/XML/Client.pm
-require RPC::XML;
-require RPC::XML::Client;
-
-# for debug purposes
-#use Data::Dumper;
-
-##### CONFIG ######
-
-my %xenhosts = ("192.0.2.10" => {"port" => "9363"},
- "192.0.2.11" => {"port" => "9363"},
- "192.0.2.12" => {"port" => "9363"},
- "192.0.2.13" => {"port" => "9363"});
-
-##### CONFIG END ###
-
-##### STATIC VARS #####
-my %host_info;
-
-#######################
-sub apiconnect
-{
- foreach my $xenhost (keys %xenhosts)
- {
- my $xen = RPC::XML::Client->new("http://$xenhost:$xenhosts{$xenhost}{'port'}");
- my $session = $xen->simple_request("session.login_with_password", "user","");
- if (! $session)
- {
- print "Can't connect to $xenhost :(\n";
- $xenhosts{$xenhost} = {'xen' => $xen, 'session' => ""};
- }
- else
- {
- $xenhosts{$xenhost} = {'xen' => $xen, 'session' => $session->{'Value'}};
- print "Connected successfully to $xenhost..\n";
- }
- }
-}
-
-sub validate_response
-{
- my ($result_ref) = @_;
- if ($result_ref->{'Status'} eq "Success")
- {
- return $result_ref->{'Value'};
- }
- else
- {
- # status = Failure !
-# die ("xmlrpc failed! ErrorDescription: $result_ref->{'ErrorDescription'}[1] -> $result_ref->{'ErrorDescription'}[0]");
- print "xmlrpc failed! ErrorDescription: $result_ref->{'ErrorDescription'}[1] -> $result_ref->{'ErrorDescription'}[0]\n";
- }
-}
-
-sub get_host_cpu_utilisation
-{
- my ($xen, $session, $host_name, $host_ref) = @_;
- my $host_cpu_ref = validate_response($xen->simple_request("host.get_host_CPUs", $session, $host_ref));
- foreach (@$host_cpu_ref)
- {
- my $host_cpu_utilisation = validate_response($xen->simple_request("host_cpu.get_utilisation", $session, $_));
- $host_info{$host_name}{'cpus'}{$_} = $host_cpu_utilisation;
- print " CPUiNFO: $host_cpu_utilisation\n";
- }
-}
-
-sub get_host_pif_utilisation
-{
- my ($xen, $session, $host_name, $host_ref) = @_;
-
-# This method isnt implemented yet it seems so using PIF.get_all for now..
-# This will break when xen is made cluster aware..
-# my $host_pif_ref = validate_response($xen->simple_request("host.get_PIFs", $session, $host_ref));
- my $host_pif_ref = validate_response($xen->simple_request("PIF.get_all", $session));
- foreach (@$host_pif_ref)
- {
- my $host_pif_device = validate_response($xen->simple_request("PIF.get_device", $session, $_));
- my $host_pif_metrics_ref = validate_response($xen->simple_request("PIF.get_metrics", $session, $_));
-
-# Whats the best solution performancewise?
-# Collecting stats from get_records, or pulling individually?
-
-# my $host_pif_record = validate_response($xen->simple_request("PIF_metrics.get_record", $session, $host_pif_metrics_ref));
-# my $host_pif_io_read = $host_pif_record->{'io_read_kbs'};
-# my $host_pif_io_write = $host_pif_record->{'io_write_kbs'};
- my $host_pif_io_read = validate_response($xen->simple_request("PIF_metrics.get_io_read_kbs", $session, $host_pif_metrics_ref));
- my $host_pif_io_write = validate_response($xen->simple_request("PIF_metrics.get_io_write_kbs", $session, $host_pif_metrics_ref));
-
- $host_info{$host_name}{'pifs'}{$host_pif_device} = {'read' => $host_pif_io_read, 'write' => $host_pif_io_write};
- print " PiFiNFO: $host_pif_device READ: $host_pif_io_read - WRITE: $host_pif_io_write\n";
-# $host_info{$host_name}{'pifs'}{$host_pif_device}{'read'} = $host_pif_io_read;
-# $host_info{$host_name}{'pifs'}{$host_pif_device}{'write'} = $host_pif_io_write;
- }
-}
-
-sub get_host_mem_utilisation
-{
- my ($xen, $session, $host_name, $host_ref) = @_;
- my $host_metrics_ref = validate_response($xen->simple_request("host.get_metrics", $session, $host_ref));
- my $host_mem_total = validate_response($xen->simple_request("host_metrics.get_memory_total", $session, $host_metrics_ref)) / 1024 / 1024;
- my $host_mem_free = validate_response($xen->simple_request("host_metrics.get_memory_free", $session, $host_metrics_ref)) / 1024 / 1024;
- $host_info{$host_name}{'memory'} = {'total' => $host_mem_total, 'free' => $host_mem_free};
- print " MEMiNFO: Total: $host_mem_total MB - Free: $host_mem_free MB\n";
-}
-
-sub get_vm_mem_info
-{
- my ($xen, $session, $host_name, $vm_ref, $vm_name_label) = @_;
- my $vm_mem_stat_max = validate_response($xen->simple_request("VM.get_memory_static_max",$session,$vm_ref));
- my $vm_mem_stat_min = validate_response($xen->simple_request("VM.get_memory_static_min",$session,$vm_ref));
- my $vm_mem_dyn_max = validate_response($xen->simple_request("VM.get_memory_dynamic_max",$session,$vm_ref));
- my $vm_mem_dyn_min = validate_response($xen->simple_request("VM.get_memory_dynamic_min",$session,$vm_ref));
-
- # not implemented yet.. We'll do this at the same time as getting cpu utilisation
- # in the get_vm_metrics sub instead..
- #my $vm_metrics_ref = validate_response($xen->simple_request("VM.get_metrics",$session,$vm_ref));
- #my $vm_mem_actual = validate_response($xen->simple_request("VM_metrics.get_memory_actual",$session,$vm_metrics_ref));
-
- $host_info{$host_name}{'vms'}{$vm_name_label}{'memory'} = {'static_max' => $vm_mem_stat_max,
- 'static_min' => $vm_mem_stat_min,
- 'dynamic_max' => $vm_mem_dyn_max,
- 'dynamic_min' => $vm_mem_dyn_min};
-
- # xm list uses the dynamic min var as far as i can tell.. or?
- # Lets print the memactual info instead of this... I'll do that in the get_vm_metrics sub instead..
- # print " |- MEMiNFO: Dynamic Min: $vm_mem_dyn_min - Actually in use: $vm_mem_actual\n";
-}
-
-sub get_vm_metrics
-{
- my ($xen, $session, $host_name, $vm_ref, $vm_name_label) = @_;
- my $vm_metrics_ref = validate_response($xen->simple_request("VM.get_metrics",$session,$vm_ref));
-
- my %vm_vcpu_utilisation = %{validate_response($xen->simple_request("VM_metrics.get_vcpus_utilisation",$session,$vm_metrics_ref))};
- for my $tempcpu (keys %vm_vcpu_utilisation)
- {
- print " |- CPUiNFO: $tempcpu - $vm_vcpu_utilisation{$tempcpu}\n";
- $host_info{$host_name}{'vms'}{$vm_name_label}{'vcpus'} = {$tempcpu => $vm_vcpu_utilisation{$tempcpu}};
- }
- my $vm_mem_actual = validate_response($xen->simple_request("VM_metrics.get_memory_actual",$session,$vm_metrics_ref)) / 1024 / 1024;
- $host_info{$host_name}{'vms'}{$vm_name_label}{'memory'}{'actual'} = "$vm_mem_actual";
- print " |- MEMiNFO: Actually in use: $vm_mem_actual MB\n";
-}
-
-sub get_vm_vif_utilisation
-{
- my ($xen, $session, $host_name, $vm_ref, $vm_name_label) = @_;
- my $vm_vifs = validate_response($xen->simple_request("VM.get_VIFs",$session,$vm_ref));
- foreach (@$vm_vifs)
- {
- my $vif_device = validate_response($xen->simple_request("VIF.get_device",$session,$_));
- my $vif_io_read = validate_response($xen->simple_request("VIF_metrics.get_io_read_kbs", $session, $_));
- my $vif_io_write = validate_response($xen->simple_request("VIF_metrics.get_io_write_kbs", $session, $_));
- $host_info{$host_name}{'vms'}{$vm_name_label}{'vifs'}{$vif_device} = {'read' => $vif_io_read, 'write' => $vif_io_write};
- print " |- ViFiNFO: $vif_device READ: $vif_io_read - WRITE: $vif_io_write\n";
- }
-}
-
-sub get_vm_vbd_utilisation
-{
- my ($xen, $session, $host_name, $vm_ref, $vm_name_label) = @_;
- my $vm_vbds = validate_response($xen->simple_request("VM.get_VBDs",$session,$vm_ref));
- foreach (@$vm_vbds)
- {
- my $vbd_device = validate_response($xen->simple_request("VBD.get_device",$session,$_));
- my $vbd_io_read = validate_response($xen->simple_request("VBD_metrics.get_io_read_kbs", $session, $_));
- my $vbd_io_write = validate_response($xen->simple_request("VBD_metrics.get_io_write_kbs", $session, $_));
- $host_info{$host_name}{'vms'}{$vm_name_label}{'vbds'}{$vbd_device} = {'read' => $vbd_io_read, 'write' => $vbd_io_write};
- print " |- VBDiNFO: $vbd_device READ: $vbd_io_read - WRITE: $vbd_io_write\n";
- }
-}
-
-
-sub get_vm_type
-{
- my ($xen, $session, $host_name, $vm_ref, $vm_name_label) = @_;
- # not running response through validate_response() here to stop it from crashing..
- #
- # api docs says if this (following) field is set, its a HVM domain.
- my $vm_bootloader_results = $xen->simple_request("VM.get_HVM_boot_policy",$session,$vm_ref);
- if ("$vm_bootloader_results->{'Status'}" eq "Success")
- {
- if ("$vm_bootloader_results->{'Value'}" ne "")
- {
- $host_info{$host_name}{'vms'}{$vm_name_label}{'type'} = "HVM";
- }
- else
- {
- $host_info{$host_name}{'vms'}{$vm_name_label}{'type'} = "PV";
- }
- }
- else
- {
- # However, xen 3.0.4 doest support this part of the api, so afaik I can get the difference with:
- my $vm_pv_kernel_results = $xen->simple_request("VM.get_PV_kernel",$session,$vm_ref);
- # which is something like:
- # 'PV_kernel': '/boot/vmlinuz-2.6.18-xen',
- # or
- # 'PV_kernel': 'hvmloader',
- if ("$vm_pv_kernel_results->{'Value'}" =~ m/hvm/i)
- {
- $host_info{$host_name}{'vms'}{$vm_name_label}{'type'} = "HVM";
- }
- else
- {
- $host_info{$host_name}{'vms'}{$vm_name_label}{'type'} = "PV";
- }
- }
-}
-
-sub get_complete_info
-{
- my %all_vms;
- foreach my $xenhost (sort keys %xenhosts)
- {
- next unless $xenhosts{$xenhost}{'session'};
- my $xen = $xenhosts{$xenhost}{'xen'};
- my $session = $xenhosts{$xenhost}{'session'};
- print "_______________________\n## $xenhost ##\n-----------------------\n";
-
- my $host_ref = validate_response($xen->simple_request("session.get_this_host", $session));
-
- my $host_name = validate_response($xen->simple_request("host.get_name_label", $session, $host_ref));
- $xenhosts{$xenhost}{'hostname'} = $host_name;
- $host_info{$host_name}{'ip'} = $xenhost;
-
- get_host_cpu_utilisation($xen, $session, $host_name, $host_ref);
-
- get_host_mem_utilisation($xen, $session, $host_name, $host_ref);
-
- get_host_pif_utilisation($xen, $session, $host_name, $host_ref);
-
-
- my $all_vm_refs = validate_response($xen->simple_request("host.get_resident_VMs",$session, $host_ref));
-
- foreach my $vm_ref (@$all_vm_refs)
- {
- my $vm_name_label = validate_response($xen->simple_request("VM.get_name_label",$session,$vm_ref));
- get_vm_type($xen,$session,$host_name,$vm_ref,$vm_name_label);
-
- my $vm_id = validate_response($xen->simple_request("VM.get_domid",$session,$vm_ref));
-
- print "vm: $vm_id\t$vm_name_label\ttype: $host_info{$host_name}{'vms'}->{$vm_name_label}{'type'}\n";
-
- # vm_metrics includes both mem_actual & cpu utilisation
- # So we'll add all stats found in that class in one go..
- get_vm_metrics($xen,$session,$host_name,$vm_ref,$vm_name_label);
-# get_vm_cpu_utilisation($xen,$session,$host_name,$vm_ref,$vm_name_label);
-
- # all other mem stats are added seperately..
- # This might not be needed at all as xen doesnt have functionality to
- # resize mem for a VM atm (afaik)
- get_vm_mem_info($xen,$session,$host_name,$vm_ref,$vm_name_label);
-
- get_vm_vif_utilisation($xen,$session,$host_name,$vm_ref,$vm_name_label);
-
- get_vm_vbd_utilisation($xen,$session,$host_name,$vm_ref,$vm_name_label);
-
- $all_vms{$vm_name_label} = "" unless ("$vm_name_label" eq "Domain-0");
- }
- print "\n";
- }
- # Debug: Uncomment to see the nested datastructure..
- #print Dumper(%host_info);
-}
-
-
-
-apiconnect();
-get_complete_info();
projects / people / aperard / xen-unstable.git / commitdiff