[OHAI-66] added filesystem reporting for darwin

1 files changed, 55 insertions, 0 deletions

diff --git a/lib/ohai/plugins/darwin/filesystem.rb b/lib/ohai/plugins/darwin/filesystem.rb
new file mode 100644
index 00000000..55aaa511
--- /dev/null
+++ b/lib/ohai/plugins/darwin/filesystem.rb
@@ -0,0 +1,55 @@
+#
+# Author:: Benjamin Black (<bb@opscode.com>)
+# Copyright:: Copyright (c) 2009 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+fs = Mash.new
+
+block_size = 0
+popen4("df") do |pid, stdin, stdout, stderr|
+  stdin.close
+  stdout.each do |line|
+    case line
+    when /^Filesystem\s+(\d+)-/
+      block_size = $1.to_i
+      next
+    when /^(.+?)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+\%)\s+(.+)$/
+      filesystem = $1
+      fs[filesystem] = Mash.new
+      fs[filesystem][:block_size] = block_size
+      fs[filesystem][:kb_size] = $2.to_i / (1024 / block_size)
+      fs[filesystem][:kb_used] = $3.to_i / (1024 / block_size)
+      fs[filesystem][:kb_available] = $4.to_i / (1024 / block_size)
+      fs[filesystem][:percent_used] = $5
+      fs[filesystem][:mount] = $6
+    end
+  end
+end
+
+popen4("mount") do |pid, stdin, stdout, stderr|
+  stdin.close
+  stdout.each do |line|
+    if line =~ /^(.+?) on (.+?) \((.+?), (.+?)\)$/
+      filesystem = $1
+      fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
+      fs[filesystem]['mount'] = $2
+      fs[filesystem]['fs_type'] = $3
+      fs[filesystem]['mount-options'] = $4.split(/,\s*/)
+    end
+  end
+end
+
+filesystem fs
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