Index nodes by their UUID
No longer index nodes by their name but by their UUID in the clusterconfig. This change changes large parts of the code, as the followingadjustments were necessary: * Change the index key to UUID in the configuration and the ConfigWriter, including all methods....
Make HS ConfD client IPv6 compatible
The Haskell ConfD client was assuming internet addresses to be IPv4. Thispatch modifies the client so that it is able to automatically detect theprotocol it should use by analyzing the address it is told to connect to....
Make Confd client usable for testing
Allow the Confd client to be able to connect to an arbitrary serverinstead of just the real one running on a cluster.
This is meant to be used for testing.
If a data collector using the Confd client is tested with shelltest, it will...
Add request type to Confd server for getting instance list
Add to Confd server a new request type (and its implementation) to ask forthe list of instances in a node.
Signed-off-by: Michele Tartara <mtartara@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Renames and cleanup of variable names in confd
The current names are quite confusing; this patch cleans up theconfusion by making sure we use different terms for the two threads,etc.
No actual code changes besides the renames.
Signed-off-by: Iustin Pop <iustin@google.com>...
First part of confd timer changes
This patch changes the resolution of the timers: the watcher timergoes from 60s to 17s, and the polling-mode timer goes from 2 secondsto 250ms. The code changes a bit more due to the changes in the unitsof the various constants....
Change the polling thread sleep behaviour
Currently, the polling thread sleeps at the end of its body; theoriginal reason was that when the thread initially starts, we want toload the config immediately (in the old-style config load model).
However, now we explicitly load the config, so we can make this thread...
Start confd in notify mode if we can
This patch changes the default model—where confd is always started inpolling mode—to a model where if possible we enable inotify modebefore starting any of the background threads.
There are some tricky details here: if we enable inotify, we should...
Explicitly load the config at confd startup
Currently, confd main function doesn't load the config, but simplyforks the individual timer threads, which will—as a side effect-alsoload the configuration as soon as they start.
However, this makes codes to the startup more complex, so let's...
Move getCurrentTime from Confd.Utils to Utils
The getCurrentTime function is of wide interest, so its moved to a moreappropriate position.
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