Import static grub config for ignition

To be shared by CoreOS/Edge; not installed by default, but can be installed manually. Signed-off-by: Colin Walters <[email protected]>
coreos · Oct 4, 2023 · f8002fd · f8002fd
1 parent 18e2675
commit f8002fd
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/grub2/grub-static-ignition.cfg b/src/grub2/grub-static-ignition.cfg
@@ -0,0 +1,15 @@
+# Determine if this is a first boot and set the ${ignition_firstboot} variable
+# which is used in the kernel command line.
+set ignition_firstboot=""
+if [ -f "/ignition.firstboot" ]; then
+    # Default networking parameters to be used with ignition.
+    set ignition_network_kcmdline=''
+
+    # Source in the `ignition.firstboot` file which could override the
+    # above $ignition_network_kcmdline with static networking config.
+    # This override feature is also by coreos-installer to persist static
+    # networking config provided during install to the first boot of the machine.
+    source "/ignition.firstboot"
+
+    set ignition_firstboot="ignition.firstboot ${ignition_network_kcmdline}"
+fi