Ravada::VM - Online Linux Manual PageSection : 3
Updated : 2021-03-05
Source : perl v5.32.1
Note : User Contributed Perl Documentation
NAMERavada::VM − Virtual Managers library for Ravada
Constructors
openOpens a Virtual Machine Manager (VM) Arguments: id of the VM
Methods
domain_removeRemove the domain. Returns nothing.
nameReturns the name of this Virtual Machine Manager ​ my $name = $vm−>name();
search_domain_by_idReturns a domain searching by its id ​ $domain = $vm−>search_domain_by_id($id);
ipReturns the external IP this for this VM
nat_ipReturns the IP of the VM when it is in a NAT environment
display_ipReturns the display IP of the Virtual Manager
listen_ipReturns the IP where virtual machines must be bound to Arguments: optional remote ip
idReturns the id value of the domain. This id is used in the database tables and is not related to the virtual machine engine.
default_storage_pool_nameSet the default storage pool name for this Virtual Machine Manager ​ $vm−>default_storage_pool_name('default');
base_storage_poolSet the storage pool for bases in this Virtual Machine Manager ​ $vm−>base_storage_pool('pool2');
clone_storage_poolSet the storage pool for clones in this Virtual Machine Manager ​ $vm−>clone_storage_pool('pool3');
min_free_memoryReturns the minimun free memory necessary to start a new virtual machine
max_loadReturns the maximum cpu load that the host can handle.
active_limitReturns the value of 'active_limit' in the BBDD
list_driversLists the drivers available for this Virtual Machine Manager Arguments: Optional driver type Returns a list of strings with the nams of the drivers. ​ my @drivers = $vm−>list_drivers(); ​ my @drivers = $vm−>list_drivers('image');
is_localReturns wether this virtual manager is in the local host
is_lockedThis node has requests running or waiting to be run
list_nodesReturns a list of virtual machine manager nodes of the same type as this. ​ my @nodes = $self−>list_nodes();
pingReturns if the virtual manager connection is available
is_activeReturns if the domain is active. The active state is cached for some seconds. Pass an optional true value to perform a real check. Arguments: optional force mode ​ if ($node−>is_active) { ​ } ​ ​ ​ if ($node−>is_active(1)) { ​ }
enabledReturns if the domain is enabled.
public_ipReturns the public IP of the virtual manager if defined
removeRemove the virtual machine manager.
run_commandRun a command on the node ​ my @ls = $self−>run_command("ls");
run_command_nowaitRun a command on the node ​ $self−>run_command_nowait("/sbin/poweroff"); ​ my $chan = $self−>_ssh_channel() or die "ERROR: No SSH channel to host ".$self−>host; ​ ​ my $command = join(" ",@command); ​ $chan−>exec($command);# or $self−>{_ssh}−>die_with_error; ​ ​ $chan−>send_eof(); ​ ​ return;
write_fileWrites a file to the node ​ $self−>write_file("filename.extension", $contents);
read_fileReads a file in memory from the storage of the virtual manager
remove_fileRemoves a file from the storage of the virtual manager
create_iptables_chainCreates a new chain in the system iptables
iptablesRuns an iptables command in the virtual manager Example: ​ $vm−>iptables( A => 'INPUT', p => 22, j => 'ACCEPT');
iptables_uniqueRuns an iptables command in the virtual manager only if it wasn't already there Example: ​ $vm−>iptables_unique( A => 'INPUT', p => 22, j => 'ACCEPT');
iptables_listReturns the list of the system iptables
balance_vmReturns a Virtual Manager from all the nodes to run a virtual machine. When the optional base argument is passed it returns a node from the list of VMs where the base is prepared. Argument: base [optional]
shutdown_domainsShuts down all the virtual machines in the node
shared_storageReturns true if there is shared storage among to nodes Arguments: • node • directory
startStarts the node
shutdownShuts down the node
list_network_interfacesReturns a list of all the known interface Argument: type ( nat or bridge ) 0
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