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| author | Thom May <thom@may.lt> | 2018-01-24 18:26:37 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-01-24 18:26:37 +0000 |
| commit | 3092b06d973f3c14711a2e11b8aa20fd33033958 (patch) | |
| tree | 6bd1094bba515e45b32e6684029ba23ed8857e10 | |
| parent | cb8cff348c3be16e1af1cd60f7c91758882605bc (diff) | |
| parent | d4edd41dd14a844a9cf579ab41f976887f073712 (diff) | |
| download | ohai-3092b06d973f3c14711a2e11b8aa20fd33033958.tar.gz | |
Merge pull request #1118 from nvwls/docker
Backport ohai#1110 (Recognize docker-ce) to 8-stable
| -rw-r--r-- | lib/ohai/plugins/linux/virtualization.rb | 2 | ||||
| -rw-r--r-- | spec/unit/plugins/linux/virtualization_spec.rb | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/lib/ohai/plugins/linux/virtualization.rb b/lib/ohai/plugins/linux/virtualization.rb index a0409472..0a947f2f 100644 --- a/lib/ohai/plugins/linux/virtualization.rb +++ b/lib/ohai/plugins/linux/virtualization.rb @@ -185,7 +185,7 @@ Ohai.plugin(:Virtualization) do if File.exist?("/proc/self/cgroup") cgroup_content = File.read("/proc/self/cgroup") if cgroup_content =~ %r{^\d+:[^:]+:/(lxc|docker)/.+$} || - cgroup_content =~ %r{^\d+:[^:]+:/[^/]+/(lxc|docker)-.+$} + cgroup_content =~ %r{^\d+:[^:]+:/[^/]+/(lxc|docker)-?.+$} Ohai::Log.debug("Plugin Virtualization: /proc/self/cgroup indicates #{$1} container. Detecting as #{$1} guest") virtualization[:system] = $1 virtualization[:role] = "guest" diff --git a/spec/unit/plugins/linux/virtualization_spec.rb b/spec/unit/plugins/linux/virtualization_spec.rb index da4ecf90..56cb3618 100644 --- a/spec/unit/plugins/linux/virtualization_spec.rb +++ b/spec/unit/plugins/linux/virtualization_spec.rb @@ -649,6 +649,30 @@ CGROUP expect(plugin[:virtualization][:systems][:docker]).to eq("guest") end + it "sets docker guest if /proc/self/cgroup exist and there are /docker/docker-ce/<hexadecimal> mounts" do + self_cgroup = <<-CGROUP +13:name=systemd:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +12:pids:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +11:hugetlb:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +10:net_prio:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +9:perf_event:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +8:net_cls:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +7:freezer:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +6:devices:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +5:memory:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +4:blkio:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +3:cpuacct:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +2:cpu:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +1:cpuset:/docker-ce/docker/b15b85d19304436488a78d06afeb108d94b20bb6898d852b65cad51bd7dc9468 +CGROUP + allow(File).to receive(:exist?).with("/proc/self/cgroup").and_return(true) + allow(File).to receive(:read).with("/proc/self/cgroup").and_return(self_cgroup) + plugin.run + expect(plugin[:virtualization][:system]).to eq("docker") + expect(plugin[:virtualization][:role]).to eq("guest") + expect(plugin[:virtualization][:systems][:docker]).to eq("guest") + end + # Relevant at least starting docker 1.6.2, kernel 4.0.5 & systemd 224-1. # Doi not exactly know which software/version really matters here. it "should set docker guest if /proc/self/cgroup exists and there are /system.slice/docker-<hexadecimal> mounts (systemd managed cgroup)" do |