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-rwxr-xr-xmunin/owfs_temperature_11
1 files changed, 11 insertions, 0 deletions
diff --git a/munin/owfs_temperature_ b/munin/owfs_temperature_
index ae9241c..10277b9 100755
--- a/munin/owfs_temperature_
+++ b/munin/owfs_temperature_
@@ -79,6 +79,17 @@ def report
Process.gid=0
Process.egid=0
temp = nil
+
+ # Sometimes the directory in OWFS does not exist, and cat will say
+ # cat: /var/lib/owfs/10.D234EE000800/temperature: Invalid argument
+ #
+ # ls'ing the directory help, let's see if stating it does too.
+ 5.times do
+ break if File.directory?($owfs_path + '/' + device)
+ STDERR.puts "Directory '#{$owfs_path}/#{device}' does not exist right now (or isn't a directory). Sleeping a bit."
+ sleep 1
+ end
+
# fuse does weird checks. this fails:
# File.new($owfs_path+'/'+device+'/temperature', "r") ---> FAILS: in `initialize': Permission denied - /var/lib/owfs/10.D234EE000800/temperature (Errno::EACCES)
IO.popen("-") do |f|