virt-what/SOURCES/0024-docker-Lookup-from-pro...

64 lines
2.4 KiB
Diff

From 6831ccb71a7b19c6e5cb970026cbffff39928e2b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Sun, 1 Dec 2019 08:21:32 +0200
Subject: [PATCH 24/25] docker: Lookup from /proc/self/cgroup too
Refs https://github.com/moby/moby/issues/18355
(cherry picked from commit 57f0c3cc6a7e631f644d67f05b002c6004bb6601)
---
tests/docker/Makefile.am | 1 +
tests/docker/proc/self/cgroup | 13 +++++++++++++
virt-what.in | 3 ++-
3 files changed, 16 insertions(+), 1 deletion(-)
create mode 100644 tests/docker/proc/self/cgroup
diff --git a/tests/docker/Makefile.am b/tests/docker/Makefile.am
index e2a95d8..401f372 100644
--- a/tests/docker/Makefile.am
+++ b/tests/docker/Makefile.am
@@ -24,6 +24,7 @@ EXTRA_DIST = \
.dockerenv \
.dockerinit \
proc/cpuinfo \
+ proc/self/cgroup \
proc/self/status \
sbin/dmidecode \
sbin/uname \
diff --git a/tests/docker/proc/self/cgroup b/tests/docker/proc/self/cgroup
new file mode 100644
index 0000000..5547637
--- /dev/null
+++ b/tests/docker/proc/self/cgroup
@@ -0,0 +1,13 @@
+12:devices:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+11:blkio:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+10:perf_event:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+9:pids:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+8:cpuset:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+7:rdma:/
+6:hugetlb:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+5:net_cls,net_prio:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+4:memory:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+3:freezer:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+2:cpu,cpuacct:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+1:name=systemd:/docker/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae
+0::/system.slice/containerd.service
diff --git a/virt-what.in b/virt-what.in
index 900a05d..6330fd0 100644
--- a/virt-what.in
+++ b/virt-what.in
@@ -349,7 +349,8 @@ if ! "$skip_lkvm"; then
fi
# Check for Docker.
-if [ -f "${root}/.dockerenv" ] || [ -f "${root}/.dockerinit" ]; then
+if [ -f "${root}/.dockerenv" ] || [ -f "${root}/.dockerinit" ] || \
+ grep -qF /docker/ "${root}/proc/self/cgroup" 2>/dev/null; then
echo docker
fi
--
2.18.4