fix ssh close when far end closes disgracefully

ALU ISAM DSLAM does this

2 files changed, 4 insertions, 1 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index df997d5..8d0cd16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 0.2.3
+- BUGFIX: rescue @ssh.close when far end closes ungracefully (ALU ISAM)
+
 # 0.2.2
 - BUGFIX: mark node as failure if unknown error is raised
 
diff --git a/lib/oxidized/input/ssh.rb b/lib/oxidized/input/ssh.rb
index 570f8a8..e3fcede 100644
--- a/lib/oxidized/input/ssh.rb
+++ b/lib/oxidized/input/ssh.rb
@@ -59,7 +59,7 @@ module Oxidized
       Timeout::timeout(CFG.timeout) { @ssh.loop }
     rescue Errno::ECONNRESET, Net::SSH::Disconnect, IOError
     ensure
-      @ssh.close if not @ssh.closed?
+      (@ssh.close rescue true) unless @ssh.closed?
     end
 
     def shell_open ssh