diff --git a/NEWS b/NEWS index 6dcfd806102..38af20b7696 100644 --- a/NEWS +++ b/NEWS @@ -6400,6 +6400,15 @@ CHANGES WITH 234: temporary directory is passed as the entry directory and removed after all the plugins exit. + * If KERNEL_INSTALL_MACHINE_ID is set in /etc/machine-info, kernel-install + will now use its value as the machine ID instead of the machine ID + from /etc/machine-id. If KERNEL_INSTALL_MACHINE_ID isn't set in + /etc/machine-info and no machine ID is set in /etc/machine-id, + kernel-install will try to store the current machine ID there as + KERNEL_INSTALL_MACHINE_ID. If there is no machine ID, kernel-install + will generate a new UUID, store it in /etc/machine-info as + KERNEL_INSTALL_MACHINE_ID and use it as the machine ID. + Contributions from: Adrian Heine né Lang, Aggelos Avgerinos, Alexander Kurtz, Alexandros Frantzis, Alexey Brodkin, Alex Lu, Amir Pakdel, Amir Yalon, Anchor Cat, Anthony Parsons, Bastien Nocera, Benjamin Gilbert, diff --git a/man/kernel-install.xml b/man/kernel-install.xml index 670beb35b8b..c6414b13dd1 100644 --- a/man/kernel-install.xml +++ b/man/kernel-install.xml @@ -228,6 +228,18 @@ kernel-install will use Default instead. + + + /etc/machine-info + + + If this file contains the KERNEL_INSTALL_MACHINE_ID variable, + kernel-install will use it as MACHINE-ID instead of + the contents of /etc/machine-id. If the variable is not found in + /etc/machine-info, kernel-install will try to save the + machine ID it uses to install to $BOOT to this file. + + /etc/os-release diff --git a/man/machine-info.xml b/man/machine-info.xml index 3de68100470..b4b5af26e08 100644 --- a/man/machine-info.xml +++ b/man/machine-info.xml @@ -128,6 +128,16 @@ specific as Left Rack, 2nd Shelf. + + + KERNEL_INSTALL_MACHINE_ID= + + Specifies the installation-specific installation directory + kernel-install should use. The value must be a valid machine ID (32 hexadecimal + characters). This would generally be the original machine-id that was used when the boot loader + entries for this installation were first added. When not set, the current value of + machine-id(5) will be used. + diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install index f2d954f2dd4..103b44ebda7 100755 --- a/src/kernel-install/kernel-install +++ b/src/kernel-install/kernel-install @@ -90,7 +90,15 @@ if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then exit 1 fi -[ -z "$MACHINE_ID" ] && [ -f /etc/machine-id ] && [ "$(stat -fc %T /etc/machine-id)" != "tmpfs" ] && read -r MACHINE_ID < /etc/machine-id +# Prefer to use an existing machine ID from /etc/machine-info or /etc/machine-id. If we're using the machine +# ID /etc/machine-id, try to persist it in /etc/machine-info. If no machine ID is found, try to generate +# a new machine ID in /etc/machine-info. If that fails, use "Default". + +[ -z "$MACHINE_ID" ] && [ -f /etc/machine-info ] && source /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID" +[ -z "$MACHINE_ID" ] && [ -f /etc/machine-id ] && read -r MACHINE_ID >/etc/machine-info +[ -z "$MACHINE_ID" ] && NEW_MACHINE_ID="$(systemd-id128 new)" && echo "KERNEL_INSTALL_MACHINE_ID=$NEW_MACHINE_ID" >>/etc/machine-info +[ -z "$MACHINE_ID" ] && [ -f /etc/machine-info ] && source /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID" [ -z "$MACHINE_ID" ] && MACHINE_ID="Default" [ -z "$BOOT_ROOT" ] && for suff in "$MACHINE_ID" "loader/entries"; do