Agent installed items¶
File tree¶
| Path | Description |
|---|---|
<OSVCETC> |
Hosts service configurations |
<OSVCTMP> |
Temporary, discardable files |
<OSVCBIN> |
Executables like svcmon, svcmgr |
<OSVCBIN>/pkg |
Executables to create package and optional, site-specific, release scripts (none shipped in the opensvc-provided packages) |
<OSVCVAR>/sync |
Where the production nodes of a cluster back up their configuration. These backups are used in case of disaster recovery activation to restore some specific configurations of the production nodes. |
<OSVCVAR>/lock |
Where executables create the lock-files used to ensure two actions can not run simultaneously on the same service. |
<OSVCDOC> |
Embedded documentation. Most importantly the service resources and node configuration reference files, documenting all possible parameters. |
<OSVCLIB> |
Python source code for the core and resource drivers. |
<OSVCLOG> |
Per-service, local, size-rotated, delay-rotated log files. All logs are also multiplexed to stdout and to the collector via xmlrpc, and optionally multiplexed to syslog. |
Cron job¶
* * * * * /usr/bin/nodemgr schedulers >/dev/null 2>&1
Run the node and each service schedulers. See the output of sudo nodemgr print schedule and sudo svcmgr print schedule for the list of scheduled tasks.
- push the service status and configuration to the collector
- push the node configuration to the collector
- collect performance metrics
- trigger services' internal and user-configured inter-nodes synchronizations