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From e320f72150829228f10ec24f3fba34d5377c5120 Mon Sep 17 00:00:00 2001
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From: Bertrand Jacquin <bertrand@jacquin.bzh>
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Date: Sun, 11 Oct 2020 22:25:56 +0100
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Subject: [PATCH] machine-id-setup: generate machine-id from DMI product ID on
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Amazon EC2
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Amazon EC2 Nitro hypervisor is technically based on KVM[1].
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[1] https://aws.amazon.com/ec2/faqs/
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(cherry picked from commit 382a46d129899ca9027b07c325102cab173dd563)
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Related: #2117948
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---
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src/core/machine-id-setup.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/src/core/machine-id-setup.c b/src/core/machine-id-setup.c
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index 11528f83c4..fe2abc4e68 100644
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--- a/src/core/machine-id-setup.c
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+++ b/src/core/machine-id-setup.c
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@@ -57,11 +57,11 @@ static int generate_machine_id(const char *root, sd_id128_t *ret) {
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return 0;
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}
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- } else if (detect_vm() == VIRTUALIZATION_KVM) {
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+ } else if (IN_SET(detect_vm(), VIRTUALIZATION_KVM, VIRTUALIZATION_AMAZON, VIRTUALIZATION_QEMU)) {
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- /* If we are not running in a container, see if we are
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- * running in qemu/kvm and a machine ID was passed in
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- * via -uuid on the qemu/kvm command line */
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+ /* If we are not running in a container, see if we are running in a VM that provides
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+ * a system UUID via the SMBIOS/DMI interfaces. Such environments include QEMU/KVM
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+ * with the -uuid on the qemu command line or the Amazon EC2 Nitro hypervisor. */
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if (id128_read("/sys/class/dmi/id/product_uuid", ID128_UUID, ret) >= 0) {
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log_info("Initializing machine ID from KVM UUID.");
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