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#
# Author:: Jay Vana <jsvana@fb.com>
# Author:: Davide Cavalca <dcavalca@fb.com>
# Copyright:: Copyright (c) 2016-2020 Facebook, 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.
#
Ohai.plugin(:IPC) do
provides "ipc"
optional true
collect_data(:linux) do
ipcs_path = which("ipcs")
if ipcs_path
# NOTE: currently only supports shared memory
cmd = "#{ipcs_path} -m"
ipcs = shell_out(cmd)
ipc Mash.new unless ipc
ipc["shm"] = Mash.new unless ipc["shm"]
ipcs.stdout.split("\n").each do |line|
next unless line.start_with?("0x")
parts = line.split
segment = {
"key" => parts[0],
"owner" => parts[2],
"perms" => parts[3],
"bytes" => parts[4].to_i,
"nattch" => parts[5].to_i,
"status" => parts[6] || "",
}
ipc["shm"][parts[1].to_i] = segment
end
end
end
end
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