44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
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From 16908e1ec833d857cb418712c382c6f604426b36 Mon Sep 17 00:00:00 2001
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From: Frantisek Sumsal <frantisek@sumsal.cz>
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Date: Tue, 1 Feb 2022 20:18:29 +0100
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Subject: [PATCH] test: introduce `get_cgroup_hierarchy() helper
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which returns the host's cgroup hierarchy (unified, hybrid, or legacy).
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(cherry picked from commit f723740871bd3eb89d16a526a1ff77c04bb3787a)
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Related: #2047768
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---
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test/test-functions | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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diff --git a/test/test-functions b/test/test-functions
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index 35d8f074a9..4827b6bedf 100644
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--- a/test/test-functions
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+++ b/test/test-functions
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@@ -1996,6 +1996,24 @@ import_initdir() {
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export initdir
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}
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+get_cgroup_hierarchy() {
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+ case "$(stat -c '%T' -f /sys/fs/cgroup)" in
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+ cgroup2fs)
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+ echo "unified"
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+ ;;
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+ tmpfs)
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+ if [[ -d /sys/fs/cgroup/unified && "$(stat -c '%T' -f /sys/fs/cgroup/unified)" == cgroup2fs ]]; then
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+ echo "hybrid"
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+ else
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+ echo "legacy"
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+ fi
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+ ;;
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+ *)
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+ dfatal "Failed to determine host's cgroup hierarchy"
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+ exit 1
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+ esac
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+}
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+
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## @brief Converts numeric logging level to the first letter of level name.
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#
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# @param lvl Numeric logging level in range from 1 to 6.
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