diff options
| author | Saku Ytti <saku@ytti.fi> | 2015-09-12 12:07:10 +0300 |
|---|---|---|
| committer | Saku Ytti <saku@ytti.fi> | 2015-09-12 12:07:10 +0300 |
| commit | 28af2b61481c2bc7af1e80d4a436ffc08ed6fd8f (patch) | |
| tree | c09ca1f552e6f9b85a50a0a9d6a1df1b3cf63478 /lib/oxidized | |
| parent | 516059d5d1cd6ab147ffb2420044e6c27f56944a (diff) | |
Fix FloatDomainError when 0 nodes are found
Oxidized would throw:
----
/var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/jobs.rb:36:in `to_i': NaN (FloatDomainError)
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/jobs.rb:36:in `new_count'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/jobs.rb:28:in `duration'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/jobs.rb:16:in `initialize'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/worker.rb:7:in `new'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/worker.rb:7:in `initialize'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/core.rb:21:in `new'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/core.rb:21:in `initialize'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/core.rb:12:in `new'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/core.rb:12:in `new'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/lib/oxidized/cli.rb:9:in `run'
from /var/lib/gems/2.1.0/gems/oxidized-0.7.2/bin/oxidized:9:in `<top (required)>'
from /usr/local/bin/oxidized:23:in `load'
from /usr/local/bin/oxidized:23:in `<main>'
---
When nodes.size == 0, this may happen when you have say one node in router.db which has non-existing model. Actual problem happens in jobs.rb:
@duration = @durations.inject(:+).to_f / @nodes.size
...
@want = ((@nodes.size * @duration) / @interval).to_i
Simplified:
a = 0.0 / 0
b = a.to_i
Diffstat (limited to 'lib/oxidized')
| -rw-r--r-- | lib/oxidized/core.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/oxidized/core.rb b/lib/oxidized/core.rb index b70443c..6e7a352 100644 --- a/lib/oxidized/core.rb +++ b/lib/oxidized/core.rb @@ -14,10 +14,13 @@ module Oxidized end class Core + class NoNodesFound < OxidizedError; end + def initialize args Oxidized.mgr = Manager.new Oxidized.Hooks = HookManager.from_config CFG nodes = Nodes.new + raise NoNodesFound, 'source returns no usable nodes' if nodes.size == 0 @worker = Worker.new nodes trap('HUP') { nodes.load } if CFG.rest? |