Commit Graph

97 Commits

Author SHA1 Message Date
Joshua Boniface 62a71af46e Implement locking for unflush as well
References #32
2019-05-11 00:13:03 -04:00
Joshua Boniface c19902d952 Implement flush locking for nodes
Implements a locking mechanism to prevent clobbering of node
flushes. When a flush begins, a global cluster lock is placed
which is freed once the flush completes. While the lock is in place,
other flush events queue waiting for the lock to free before
proceeding.

Modifies the CLI output flow when the `--wait` option is specified.
First, if a lock exists when running the command, the message is
tweaked to indicate this, and the client will wait first for the
lock to free, and then for the flush as normal. Second, the wait
depends on the active lock rather than the domain_status for
consistency purposes.

Closes #32
2019-05-10 23:52:24 -04:00
Joshua Boniface 045ad131af Update node.py to allow API use
Addresses #33
2019-05-10 23:27:34 -04:00
Joshua Boniface b6ecd36588 Implement domain log watching
Implements the ability for a client to watch almost-live domain
console logs from the hypervisors. It does this using a deque-based
"tail -f" mechanism (with a configurable buffer per-VM) that watches
the domain console logfile in the (configurable) directory every
half-second. It then stores the current buffer in Zookeeper when
changed, where a client can then request it, either as a static piece
of text in the `less` pager, or via a similar "tail -f" functionality
implemented using fixed line splitting and comparison to provide a
generally-seamless output.

Enabling this feature requires each guest VM to implement a Libvirt
serial log and write its (text) console to it, for example using the
default logging directory:

```
<serial type='pty'>
    <log file='/var/log/libvirt/vmname.log' append='off'/>
<serial>
```

The append mode can be either on or off; on grows files unbounded,
off causes the log (and hence the PVC log data) to be truncated on
initial VM startup from offline. The administrator must choose how
they best want to handle this until Libvirt implements their own
clog-type logging format.
2019-05-10 23:26:59 -04:00
Joshua Boniface 1126382ac9 Initial API including fixes to common functons
Some functions were doing `click.echo` inside themselves; don't
do that as it's not API compatible, just return everything.
2019-03-21 11:19:28 -04:00
Joshua Boniface 9f0d7c5bf8 Support VM list filtering by state 2019-03-20 11:31:54 -04:00
Joshua Boniface eec14ff177 Don't set unmigrated VMs to start 2019-03-20 10:19:01 -04:00
Joshua Boniface 15c832650d Don't block stopping on non-start state 2019-03-16 23:32:13 -04:00
Joshua Boniface 946442ae38 Add support for bridge-only VNIs 2019-03-15 13:54:11 -04:00
Joshua Boniface 318a2353ea Fix missing format key on delete 2019-03-15 01:13:03 -04:00
Joshua Boniface 36ac20e5a7 Increase state length width 2019-03-13 20:28:33 -04:00
Joshua Boniface df394c5c39 Handle regex in a more consistent way 2019-03-12 23:52:59 -04:00
Joshua Boniface 1180a4c88e Remove debug 2019-03-12 21:46:30 -04:00
Joshua Boniface abbc361520 Sort the names properly 2019-03-12 21:46:09 -04:00
Joshua Boniface d6b554e88e Move the output to a better place; 2019-03-12 21:40:52 -04:00
Joshua Boniface eb087a26e7 Deleted the wrong line 2019-03-12 21:39:17 -04:00
Joshua Boniface 2e187ae032 But sort it right 2019-03-12 21:38:22 -04:00
Joshua Boniface 717e518deb List names instead of UUIDs 2019-03-12 21:35:33 -04:00
Joshua Boniface c4a97f04a7 Support raw VM listing 2019-03-12 21:30:01 -04:00
Joshua Boniface 081d855a03 Allow dumping of VMs 2019-03-12 21:09:54 -04:00
Joshua Boniface a6806ad5e0 Change router state name to coordinator 2018-11-18 20:00:40 -05:00
Joshua Boniface f0030ee5ed Handle network printing with cluster net 2018-11-18 17:57:58 -05:00
Joshua Boniface b1d0b6e62f Fix up the remaining DHCPv6 setup 2018-11-18 00:55:34 -05:00
Joshua Boniface 4c1e1b4622 Make everything work with dual-stack 2018-11-14 00:26:52 -05:00
Joshua Boniface 6fe06c31bb Support more IPv6 stuff including list and info updates 2018-11-13 01:45:18 -05:00
Joshua Boniface 720469d389 Standardize the layout of lists (dynamic fields) 2018-11-02 00:42:44 -04:00
Joshua Boniface 2c2208ab07 Tweak some output formatting in lists 2018-11-01 23:24:38 -04:00
Joshua Boniface a2f4102cb5 Add crush weight and reweight output 2018-11-01 23:17:38 -04:00
Joshua Boniface 9fcce4b09a Support setting a CRUSH weight on new OSDs 2018-11-01 23:03:27 -04:00
Joshua Boniface 2ea8a14ba4 Support OSD out/in and commands 2018-11-01 22:08:11 -04:00
Joshua Boniface 41bedbae3c Verify the pool exists before removing it 2018-11-01 19:55:13 -04:00
Joshua Boniface 99fcb21e3b Support adding and removing Ceph pools 2018-10-31 23:38:17 -04:00
Joshua Boniface 922a3a9ee1 Actually remove the command data 2018-10-30 22:44:41 -04:00
Joshua Boniface 3e4a6086d5 Finish up Ceph OSD removal, add locking to commands 2018-10-30 22:41:44 -04:00
Joshua Boniface 9a271bda0a Add OSD list function 2018-10-30 09:17:32 -04:00
Joshua Boniface bfbe9188ce Finish setup of Ceph OSD addition and basic management 2018-10-29 17:51:25 -04:00
Joshua Boniface 7f18c99172 Add OSD add and OSD remove commands 2018-10-28 22:15:25 -04:00
Joshua Boniface 3025772e6d Fix bug in vni lists 2018-10-28 18:13:28 -04:00
Joshua Boniface 103ae95fb9 Add Ceph commands and status handling 2018-10-27 18:11:58 -04:00
Joshua Boniface b65472aa83 Add remote SSH-based command handling 2018-10-27 17:51:03 -04:00
Joshua Boniface 9f87321f10 Remove ending newline 2018-10-27 16:33:50 -04:00
Joshua Boniface a5be42908d Handle verifyNode properly 2018-10-27 16:19:07 -04:00
Joshua Boniface 4b924e54d9 Fix children list typo 2018-10-27 16:03:01 -04:00
Joshua Boniface 2b115160a2 Use zkhandler for everything; add delete operation 2018-10-27 15:51:52 -04:00
Joshua Boniface 29d44444e5 Add function to get primary node 2018-10-27 15:24:42 -04:00
Joshua Boniface d69cb72439 Modify alloc memory check to just look at alloc 2018-10-22 00:43:58 -04:00
Joshua Boniface 59219c4e97 Increase domain state length 2018-10-21 22:10:13 -04:00
Joshua Boniface 2de65e514f Add missing common call 2018-10-21 22:10:05 -04:00
Joshua Boniface d464bf74da Increase width of daemon_state line 2018-10-21 15:19:24 -04:00
Joshua Boniface 05af23064f Fix name of "ansiiprint" since it's "ANSI" 2018-10-20 15:28:25 -04:00