30 lines
1.3 KiB
Diff
30 lines
1.3 KiB
Diff
From a821499e679a2d76c96ea6fda76e7847ba57a565 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Mon, 7 Jul 2014 11:47:46 +0200
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Subject: [PATCH] main: explain our /etc empty check a bit in a comment
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(cherry picked from commit 3408ba015aee3a88c91962c028738be757779519)
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---
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src/core/main.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/src/core/main.c b/src/core/main.c
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index 1ca899998e..a732c6945a 100644
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--- a/src/core/main.c
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+++ b/src/core/main.c
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@@ -1543,6 +1543,14 @@ int main(int argc, char *argv[]) {
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if (in_initrd())
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log_info("Running in initial RAM disk.");
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+ /* Let's check whether /etc is already populated. We
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+ * don't actually really check for that, but use
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+ * /etc/machine-id as flag file. This allows container
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+ * managers and installers to provision a couple of
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+ * files already. If the container manager wants to
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+ * provision the machine ID itself it should pass
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+ * $container_uuid to PID 1.*/
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+
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empty_etc = access("/etc/machine-id", F_OK) < 0;
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if (empty_etc)
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log_info("Running with unpopulated /etc.");
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