NAME

Sys::Virt::Error - error object for libvirt APIs

DESCRIPTION

The Sys::Virt::Error class provides an encoding of the libvirt errors. Instances of this object can be thrown by pretty much any of the Sys::Virt APIs.

METHODS

$err->stringify: Convert the object into string format suitable for printing on a console to inform a user of the error.
my $code = $err->level: Return the raw error level represented by this error. One of the ERROR LEVEL CONSTANTS
my $code = $err->code: Return the raw error code represented by this error. One of the ERROR CODE CONSTANTS
my $from = $err->domain: Return the error domain raising this error. One of the ERROR DOMAIN CONSTANTS
my $msg = $err->message: Return an informative message describing the error condition.

CONSTANTS

ERROR LEVEL CONSTANTS

Sys::Virt::Error::LEVEL_NONE: Undefined error level
Sys::Virt::Error::LEVEL_WARNING: Warning error level
Sys::Virt::Error::LEVEL_ERROR: Fatal error level

ERROR DOMAIN CONSTANTS

The error domain indicates which internal part of libvirt the error report was raised from.

Sys::Virt::Error::FROM_CONF: Configuration file handling
Sys::Virt::Error::FROM_DOM: Error while operating on a domain
Sys::Virt::Error::FROM_DOMAIN: Domain configuration handling
Sys::Virt::Error::FROM_LXC: LXC virtualization driver
Sys::Virt::Error::FROM_NET: Error while operating on a network
Sys::Virt::Error::FROM_NETWORK: Network configuration handling
Sys::Virt::Error::FROM_NODEDEV: Node device configuration handling
Sys::Virt::Error::FROM_NONE: No specific error domain.
Sys::Virt::Error::FROM_OPENVZ: OpenVZ virtualization driver
Sys::Virt::Error::FROM_PROXY: Xen proxy virtualization driver
Sys::Virt::Error::FROM_QEMU: QEMU virtualization driver
Sys::Virt::Error::FROM_REMOTE: Remote client virtualization driver
Sys::Virt::Error::FROM_RPC: XML-RPC handling code
Sys::Virt::Error::FROM_SECURITY: Security services driver
Sys::Virt::Error::FROM_SEXPR: SEXPR parsing code
Sys::Virt::Error::FROM_STATS_LINUX: Device statistics code
Sys::Virt::Error::FROM_STORAGE: Storage configuration handling
Sys::Virt::Error::FROM_TEST: Test virtualization driver
Sys::Virt::Error::FROM_UML: UML virtualization driver
Sys::Virt::Error::FROM_XEN: Xen hypervisor driver
Sys::Virt::Error::FROM_XEND: XenD daemon driver
Sys::Virt::Error::FROM_XENSTORE: XenStore driver
Sys::Virt::Error::FROM_XENXM: Xen XM configuration file driver
Sys::Virt::Error::FROM_XEN_INOTIFY: Xen Inotify events driver
Sys::Virt::Error::FROM_XML: Low level XML parser
Sys::Virt::Error::FROM_ESX: The VMWare ESX driver
Sys::Virt::Error::FROM_INTERFACE: The host network interface driver
Sys::Virt::Error::FROM_ONE: The Open Nebula driver. This constant is no longer used and retained only for backwards compatibility
Sys::Virt::Error::FROM_PHYP: The IBM Power Hypervisor driver
Sys::Virt::Error::FROM_SECRET: The secret management driver
Sys::Virt::Error::FROM_VBOX: The VirtualBox driver
Sys::Virt::Error::FROM_AUDIT: The audit driver
Sys::Virt::Error::FROM_CPU: The CPU information driver
Sys::Virt::Error::FROM_DOMAIN_SNAPSHOT: The domain snapshot driver
Sys::Virt::Error::FROM_HOOK: The daemon hook driver
Sys::Virt::Error::FROM_NWFILTER: The network filter driver
Sys::Virt::Error::FROM_STREAMS: The data streams driver
Sys::Virt::Error::FROM_SYSINFO: The system information driver
Sys::Virt::Error::FROM_VMWARE: The VMWare driver
Sys::Virt::Error::FROM_XENAPI: The XenAPI driver
Sys::Virt::Error::FROM_EVENT: The event driver
Sys::Virt::Error::FROM_LIBXL: The libxl Xen driver
Sys::Virt::Error::FROM_LOCKING: The lock manager drivers
Sys::Virt::Error::FROM_HYPERV: The Hyper-V driver
Sys::Virt::Error::FROM_CAPABILITIES: The capabilities driver
Sys::Virt::Error::FROM_AUTH: The authentication handling code
Sys::Virt::Error::FROM_URI: The URI handling code
Sys::Virt::Error::FROM_DBUS: The DBus handling code
Sys::Virt::Error::FROM_DEVICE: The device handling code
Sys::Virt::Error::FROM_SSH: The libSSH2 socket client
Sys::Virt::Error::FROM_PARALLELS: The Parallels virtualization driver
Sys::Virt::Error::FROM_LOCKSPACE: The lockspace handling code
Sys::Virt::Error::FROM_INITCTL: The initctl client code
Sys::Virt::Error::FROM_CGROUP: The cgroups code
Sys::Virt::Error::FROM_IDENTITY: The identity management code
Sys::Virt::Error::FROM_ACCESS: The access control code

ERROR CODE CONSTANTS

The error codes allow for specific problems to be identified and handled separately from generic error handling.

Sys::Virt::Error::ERR_AUTH_FAILED: Authentication falure when connecting to a driver
Sys::Virt::Error::ERR_CALL_FAILED: Operation not supported by driver (DEPRECATED & unused)
Sys::Virt::Error::ERR_CONF_SYNTAX: Configuration file syntax error
Sys::Virt::Error::ERR_DOM_EXIST: The domain already exists
Sys::Virt::Error::ERR_DRIVER_FULL: Too many hypervisor drivers have been registered
Sys::Virt::Error::ERR_GET_FAILED: HTTP GET command failed talking to XenD
Sys::Virt::Error::ERR_GNUTLS_ERROR: GNUTLS encryption error in RPC driver
Sys::Virt::Error::ERR_HTTP_ERROR: Unexpected HTTP error code from XenD
Sys::Virt::Error::ERR_INTERNAL_ERROR: Generic internal error
Sys::Virt::Error::ERR_INVALID_ARG: Invalid argument supplied to function
Sys::Virt::Error::ERR_INVALID_CONN: Invalid connection object
Sys::Virt::Error::ERR_INVALID_DOMAIN: Invalid domain object
Sys::Virt::Error::ERR_INVALID_MAC: Invalid MAC address string
Sys::Virt::Error::ERR_INVALID_NETWORK: Invalid network object
Sys::Virt::Error::ERR_INVALID_NODE_DEVICE: Invalid node device object
Sys::Virt::Error::ERR_INVALID_STORAGE_POOL: Invalid storage pool object
Sys::Virt::Error::ERR_INVALID_STORAGE_VOL: Invalid storage vol object
Sys::Virt::Error::ERR_NETWORK_EXIST: Network with this name/uuid already exists
Sys::Virt::Error::ERR_NO_CONNECT: Unable to connect to requested hypervisor driver
Sys::Virt::Error::ERR_NO_DEVICE: Missing device information
Sys::Virt::Error::ERR_NO_DOMAIN: No such domain with that name/uuid/id
Sys::Virt::Error::ERR_NO_KERNEL: Missing kernel information in domain configuration
Sys::Virt::Error::ERR_NO_MEMORY: Missing memory information in domain configuration
Sys::Virt::Error::ERR_NO_NAME: Missing name in object configuration
Sys::Virt::Error::ERR_NO_NETWORK: No such network with that name/uuid
Sys::Virt::Error::ERR_NO_NODE_DEVICE: No such node device with that name
Sys::Virt::Error::ERR_NO_OS: Missing OS information in domain configuration
Sys::Virt::Error::ERR_NO_ROOT: Missing root device information in domain configuration
Sys::Virt::Error::ERR_NO_SECURITY_MODEL: Missing security model information in domain configuratio
Sys::Virt::Error::ERR_NO_SOURCE: Missing source device information in domain configuration
Sys::Virt::Error::ERR_NO_STORAGE_POOL: No such storage pool with that name/uuid
Sys::Virt::Error::ERR_NO_STORAGE_VOL: No such storage volume with that name/path/key
Sys::Virt::Error::ERR_NO_SUPPORT: This operation is not supported by the active driver
Sys::Virt::Error::ERR_NO_TARGET: Missing target device information in domain configuration
Sys::Virt::Error::ERR_NO_XEN: Unable to connect to Xen hypervisor
Sys::Virt::Error::ERR_NO_XENSTORE: Unable to connect to XenStorage daemon
Sys::Virt::Error::ERR_OK: No error code. This should never be see
Sys::Virt::Error::ERR_OPEN_FAILED: Unable to open a configuration file
Sys::Virt::Error::ERR_OPERATIONED_DENIED: The operation is forbidden for the current connection
Sys::Virt::Error::ERR_OPERATION_FAILED: The operation failed to complete
Sys::Virt::Error::ERR_OS_TYPE: Missing/incorrect OS type in domain configuration
Sys::Virt::Error::ERR_PARSE_FAILED: Failed to parse configuration file
Sys::Virt::Error::ERR_POST_FAILED: HTTP POST failure talking to XenD
Sys::Virt::Error::ERR_READ_FAILED: Unable to read from configuration file
Sys::Virt::Error::ERR_RPC: Generic RPC error talking to XenD
Sys::Virt::Error::ERR_SEXPR_SERIAL: Failed to generic SEXPR for XenD
Sys::Virt::Error::ERR_SYSTEM_ERROR: Generic operating system error
Sys::Virt::Error::ERR_UNKNOWN_HOST: Unknown hostname
Sys::Virt::Error::ERR_WRITE_FAILED: Failed to write to configuration file
Sys::Virt::Error::ERR_XEN_CALL: Failure while talking to Xen hypervisor
Sys::Virt::Error::ERR_XML_DETAIL: Detailed XML parsing error
Sys::Virt::Error::ERR_XML_ERROR: Generic XML parsing error
Sys::Virt::Error::WAR_NO_NETWORK: Warning that no network driver is activated
Sys::Virt::Error::WAR_NO_NODE: Warning that no node device driver is activated
Sys::Virt::Error::WAR_NO_STORAGE: Warning that no storage driver is activated
Sys::Virt::Error::ERR_INVALID_INTERFACE: Invalid network interface object
Sys::Virt::Error::ERR_NO_INTERFACE: No interface with the matching name / mac address
Sys::Virt::Error::ERR_OPERATION_INVALID: The requested operation is not valid for the current object state
Sys::Virt::Error::WAR_NO_INTERFACE: The network interface driver is not available
Sys::Virt::Error::ERR_MULTIPLE_INTERFACES: There are multiple interfaces with the requested MAC address
Sys::Virt::Error::ERR_BUILD_FIREWALL: The firwall could not be constructed
Sys::Virt::Error::WAR_NO_NWFILTER: The network filter driver could not be activated
Sys::Virt::Error::ERR_NO_NWFILTER: There is no network filter driver available
Sys::Virt::Error::ERR_INVALID_NWFILTER: The network filter object was invalid
Sys::Virt::Error::WAR_NO_SECRET: There secret management driver is not available
Sys::Virt::Error::ERR_NO_SECRET: No secret with the matching uuid / usage ID
Sys::Virt::Error::ERR_INVALID_SECRET: Invalid secret object
Sys::Virt::Error::ERR_CONFIG_UNSUPPORTED: The requested XML configuration is not supported by the hypervisor
Sys::Virt::Error::ERR_OPERATION_TIMEOUT: The operation could not be completed in a satisfactory time
Sys::Virt::Error::ERR_MIGRATE_PERSIST_FAILED: Unable to persistent the domain configuration after migration successfully completed
Sys::Virt::Error::ERR_HOOK_SCRIPT_FAILED: Execution of a daemon hook script failed
Sys::Virt::Error::ERR_INVALID_DOMAIN_SNAPSHOT: The domain snapshot object pointer was invalid
Sys::Virt::Error::ERR_NO_DOMAIN_SNAPSHOT: No matching domain snapshot was found
Sys::Virt::Error::ERR_INVALID_STREAM: The stream object pointer was invalid
Sys::Virt::Error::ERR_ARGUMENT_UNSUPPORTED: The argument value was not supported by the driver
Sys::Virt::Error::ERR_STORAGE_POOL_BUILT: The storage pool has already been built
Sys::Virt::Error::ERR_STORAGE_PROBE_FAILED: Probing the storage pool failed
Sys::Virt::Error::ERR_SNAPSHOT_REVERT_RISKY: Reverting the snapshot could cause data loss
Sys::Virt::Error::ERR_OPERATION_ABORTED: The asynchronous operation was aborted at admin request
Sys::Virt::Error::ERR_AUTH_CANCELLED: The user cancelled the authentication process
Sys::Virt::Error::ERR_NO_DOMAIN_METADATA: The requested metadata does not exist
Sys::Virt::Error::ERR_MIGRATE_UNSAFE: The migration operation would be unsafe to perform
Sys::Virt::Error::ERR_OVERFLOW: The calculation would overflow
Sys::Virt::Error::ERR_BLOCK_COPY_ACTIVE: Action prevented by block copy job
Sys::Virt::Error::ERR_AGENT_UNRESPONSIVE: The guest agent is not responding
Sys::Virt::Error::ERR_OPERATION_UNSUPPORTED: The operation is not supported on this host
Sys::Virt::Error::ERR_SSH: The SSH operation failed
Sys::Virt::Error::ERR_RESOURCE_BUSY: The resource requested is already in use
Sys::Virt::Error::ERR_ACCESS_DENIED: Not authorized to perform the operation

AUTHORS

Daniel P. Berrange <berrange@redhat.com>

COPYRIGHT

LICENSE

This program is free software; you can redistribute it and/or modify it under the terms of either the GNU General Public License as published by the Free Software Foundation (either version 2 of the License, or at your option any later version), or, the Artistic License, as specified in the Perl README file.

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