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author | Tim Smith <tsmith@chef.io> | 2020-06-30 10:46:33 -0700 |
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committer | GitHub <noreply@github.com> | 2020-06-30 10:46:33 -0700 |
commit | 8fb5fb625471f85c126159cf12a99befa558ee82 (patch) | |
tree | eca41c86df63e4b15b389e7105ed489b6739cff3 | |
parent | 7bd12469af0ba7227d77124dce4cdf7b9051e331 (diff) | |
parent | 7b867b20c2586db0dab0f0ba4f94c6a0c13d9033 (diff) | |
download | ohai-8fb5fb625471f85c126159cf12a99befa558ee82.tar.gz |
Merge pull request #1476 from jaymzh/docker
Fix docker detection in ohai virtualization
-rw-r--r-- | lib/ohai/plugins/linux/virtualization.rb | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/ohai/plugins/linux/virtualization.rb b/lib/ohai/plugins/linux/virtualization.rb index 1cb125aa..828c2e63 100644 --- a/lib/ohai/plugins/linux/virtualization.rb +++ b/lib/ohai/plugins/linux/virtualization.rb @@ -190,8 +190,11 @@ Ohai.plugin(:Virtualization) do # Kernel docs, https://www.kernel.org/doc/Documentation/cgroups if File.exist?("/proc/self/cgroup") cgroup_content = File.read("/proc/self/cgroup") - if cgroup_content =~ %r{^\d+:[^:]+:/(lxc|docker)/.+$} || - cgroup_content =~ %r{^\d+:[^:]+:/[^/]+/(lxc|docker)-?.+$} + # These two REs catch many different examples. Here's a specific one + # from when it is docker and there is no subsystem name. + # https://rubular.com/r/dV13hiU9KxmiWB + if cgroup_content =~ %r{^\d+:[^:]*:/(lxc|docker)/.+$} || + cgroup_content =~ %r{^\d+:[^:]*:/[^/]+/(lxc|docker)-?.+$} logger.trace("Plugin Virtualization: /proc/self/cgroup indicates #{$1} container. Detecting as #{$1} guest") virtualization[:system] = $1 virtualization[:role] = "guest" |