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Support for resolving hostnames to IPv6 addresses
This patch enables IPv6 name resolution by using socket.getaddrinfoinstead of socket.gethostbyname_ex.
It renames the HostInfo class to Hostname and unifies its use throughoutthe code. This is achieved by using static calls where no object is...
masterd.instance: Add missing argument
_DiskTransferPrivate takes three parameters, not two.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Manuel Franceschini <livewire@google.com>
Introduce lib/netutils.py
This patch moves network utility functions to a dedicated module.
Signed-off-by: Manuel Franceschini <livewire@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Remove pred from compat.any/all
This makes it compatible with the python builtin, and we can even usethe builtin when running under the right version of python. The all andany functions are renamed to _all and _any, so that they can be tested,and (non)existing unittests are updated (translation: there are no unit...
Use import/export magic for backup/import and inter-cluster moves
This should prevent bugs in our code from accidentally overwritingdisks.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
Disable compression for all intra-cluster imports/exports
Tests have shown that usually we're CPU-bound for intra-clusterimports/exports. Disabling compression will help with this.
Some versions of OpenSSL, depending on the build options, alsocompress transparently. This will need further work in Ganeti....
backend: Add support for import/export magic
import/export: Validate remote host/port
The hostname and port received from the remote cluster shouldbe validated, just in case.
Show formatted ETA for disk sync and import/export
import/export: Show progress updates to user
With this patch, we show progress updates approx. once per minute.
Allow control of import/export compression method
For exports to/imports from the same machine, compression willnot be used anymore.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Put common import/export daemon options into object
The X509 key name and CA are passed from cmdlib all the way tothe backend import/export daemon. With the addition of an optionto choose the compression method, another parameter would haveto be passed all the way. By moving these options to a separate...
Implement opcode changes for remote-import
Implement opcode changes for remote-export
Add opcode to prepare export
To prepare a remote export, the X509 key and certificate need to be generated.A handshake value is also returned for an easier check whether both clustersshare the same cluster domain secret.
Signed-off-by: Michael Hanselmann <hansmi@google.com>...
LUExportInstance: Move exporting code to helper class
This will simplify the implementation of intra-cluster instanceexports and reduces the number of local variables inLUExportInstance.Exec.
cmdlib: Add utility to transfer instance data within the cluster
This is yet another wrapper around the instance import/export utilityclasses, providing an even simpler API for instance imports/exports withinthe same cluster.
cmdlib: Add utility for instance data import/export
Interpreting the backend's import/export daemon status is a bit tricky.This utility code keeps track of multiple transfers at the same time.Users can supply callback functions to react to events.
Timeouts are currently hardcoded. Intra-cluster instance moves will likely...