Watcher: do not activate disks for started instances
Currently the watcher runs first the instance startup and then theboot-id method of disk reactivation. However, irrelevant of the factthat a node has rebooted or not, if we just started an instance, there's...
Watcher: do not activate disks for admin_down
Currently the watcher does activate disks (via bootid mechanisms) evenfor admin_down instances. This patch logs and skips over theseinstances.
Reviewed-by: ultrotter
ganeti-masterd: Some docstrings work
- Add a docstring to IOServer's constructor- Add argument description to PoolWorker's and JobRunner's ones
Reviewed-by: iustinp
Disable forking in the master daemon
This patch adds a mechanism to disable utils.RunCmd in selectedprograms. This is needed in the master daemon unless we confirmthreading doesn't pose any problems.
This makes cluster init fail, but creating new trunk clusters is anyway...
Move the 'cmd' lock from cli.py to ganeti-masterd
This patch removes the lock and the lock options from cli.py and movesthem to the master.
Later during development we can remove it completely, but for now it'sgood to protect any other tool that uses the lock directly....
Convert cli.SubmitOpCode to use the master
This patch converts the cli.py SubmitOpCode method to use the unixprotocol and thus execute the opcodes via the master.
The patch allows a partial burnin to work with the master. Currently thequery opcodes, since they are executed via the SubmitOpCode, are...
Move iallocator script execution to ganeti-noded
Currently the iallocator execution takes place in the master, which is aviolation of the current architecture, and will create problems with athreaded master daemon.
This patch moves the execution to the backend, similar to the hooks...
Add per-opcode results to job processing
This patch changes the definition of a job and introduces per-opcoderesults.
First, the result and status fields of a job are condensed into a single'status' attribute. Then, we introduce an opcode status and one result...
Implement forking/master role checking in masterd
This patch adds checks for the master role and daemonize support toganeti-masterd.
The patch modifies the startup/shutdown of the server because: - we want bind()/listen() to the master socket to occur before forking...
ganeti-noded directory functions for file backend
Add a simple gnt-job script
This patch adds a very basic gnt-job script that allows job querying.This goes on top of the previous master daemon patches.
Currently, because of the not-changed cmd lock, you can't query the jobsas long as a job is running - you have to rm the cmd lock and then you...
Move the daemonize function to utils.py
Currently, in ganeti-noded we have the createDaemon function. Sincewe'll need the same in other daemons, we move this function to utils.py
With the move, a few changes were also done: - change the name to Daemonize()...
Initial tests with ganeti-masterd
This patch adds a very in-progress master daemon. This needs to belaunched manually, does not background itself, but can be used foropcode execution.
Also parts of this code should be moved to luxi.py.
Reduce log noise for the new http-based rpc
This patch just removes an extraneous \n from the log message making itnicer to view.
Reviewed-by: schreiberal
Make ganeti-noded create BDEV_CACHE_DIR automatically
Currently in order to deal with tmpfs /var/run, we create theBDEV_CACHE_DIR in the init script. However, that does not cover all thecases, and it's not a proper place to deal with it: for example, dealing...
Modify utils.TcpPing to make source address optional
This patch modifies TcpPing and its callers to make the source addressselection optional. Usually, the kernel will know better whatsource address to use, just in some cases we want to enforce a given...
Break trunk by removing twisted
This patch switches from the twisted usage for inter-node protocol tosimple BaseHTTPServer/httplib. The patch has more deletions because weuse no authentication, no encryption at all.
As such, this is just for trunk, and only for testing. What it brings is...
Add a test opcode that sleeps for a given duration
This can be used for testing purposes.
Reviewed-by: ultrotter,imsnah
Modify ‘ganeti-watcher’ to run verify-disks
This patch modifies the watcher to run the ‘gnt-cluster verify-disks’command and to log its output (if any).
Reviewed-by: imsnah
Various code style fixes for strings.
- When line wrapping is needed, move spaces to the next line.- Remove embedded line breaks from error messages.
Make utils.RunCmd log failures when using debug
This patch adds logging of command failures to the debug log in case theuser either started the command (gnt-*) or the node daemon with thedebug flag.
Small changes and fixes in ganeti-watcher.
- Use constants for keys.- Fix bug through which automatic instance restarts wouldn't be limited
Convert os_get to use OS rather than InvalidOS
In order to do this for simplicity we leave the OSFromDisk function as-is andwe convert the eventual exception to an OS object in ganeti-noded. Theunmangling gets simplified and so does the code for checking whether the OS is...
Simplify diagnose mangling/unmangling functions
The functions in ganeti-noded and rpc.py still deal with the fact that anInvalidOS error could be returned by DiagnoseOS. As this is not the caseanymore simplify their code for the current behavior.
Reviewed-By: iustinp
Implement device to instance mapping cache
Currently, troubleshooting DRBD problems involves a manual process of goingbackwards from the DRBD device to the instance that owns it.
This patch adds a weak (i.e. not guaranteed to be correct or up-to-date)cache of device to instance. The cache should be, in normal operation,...
Implement block device renaming
This patch add code for renaming a device; more precisely, for changingthe unique_id of the device. This means: - logical volumes, rename the volume - drbd8, change the remote peer
This is needed for the being able to replace disks for drbd8....
Modify two mirror-device related rpc calls
The two calls mirror_addchild and mirror_removechild take only one childfor addition/removal. While this is enough for our md usage, for localdisk replacement in drbd8, we need to be able to specify both the data...
Patch series for reboot feature, part 1
This patch series implements the reboot command for gnt-instance. Itsupports three types of reboot: soft (hypervisor reboot), hard (instanceconfig rebuild and reboot) and full (full instance shutdown and startupagain)....
Fix node daemon log file permissions
The creation of the log file for the node daemon lacks the modeparameter, so after applying the current umask, the file got 0700permissions. Restrict this to the correct 0600.
Remove fping as a dependency for Ganeti.
This patch completely gets rid of fping - replace all fping invocations with TcpPing calls - update documentation accordingly. - associated cleanups (use constant for localhost IP, use more sensible defaults for TcpPing and use those)...
Exit ganeti-watcher cleanly when there's no configuration.
Detect node restarts and reactivate disks.
- Change format of watcher state file to JSON.- Move log path for watcher script to constants.py.
Change configuration storage format from Pickle to JSON.
- Add NEWS file with major changes between versions.- Bump RPC version number- No longer serialize in RPC, but just convert to dict
Old Pickle based configuration files can be converted using the cfgupgrade...
Remove requirement that host names are FQDN
We currently require that hostnames are FQDN not short names(node1.example.com instead of node1). We can allow short names as longas: - we always resolve the names as returned by socket.gethostname() - we rely on having a working resolver...
Move a constant from ganeti-master to constants.py
The EXIT_NODESETUP_ERROR is a useful constant and ganeti-watcher coulduse it too. This patch moves it to constants.py and modifed theganeti-master script to use it from there.
Implement instance rename operation
This patch adds support for instance rename operation at all remaininglayers: RPC, OpCode/LU and CLI.
Add ganeti-master to sbin_SCRIPTS
This was forgotten when the init script was changed.
Style changes for pep-8 and python-3000 compliance.
This changes the raising of exceptions from: raise Exception, valueto raise Exception(value)
as the first form will be removed in python-3000 and the second form ispreferred now.
The changes also involve a few cases of changing from raising standard...
Add instance name to LVM volume as a tag.
Comment formatting updates.
Since the watcher can run on all nodes, let's get rid of the cron filehandling, as it can be static and outside of ganeti.
This also means we can get rid of a lot of infrastructure too: - the master/node config files checkers - one rpc function
Make the ganeti-watcher exit gracefully if it's not run on the master.
Fix parameter formatting.
- Implement “gnt-node volumes”- Create all --output options using a constant- Put node checking code from opcodes into a single function- Do the same for output fields
Big change/cleanup in relation to the master startup: - move the master node name from the ConfigWriter to SimpleStore (all nodes need this, and it was the only thing pulled in from the ConfigWriter on nodes) - fix mcpu.py and the testing w.r.t. this change; for testing, rename...
Replace tabs with spaces.
Initial commit.