WIP: Add new ignition-fetch-offline.service

See coreos/ignition#956.

dracut/30ignition/ignition-fetch-offline.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Ignition (fetch-offline)
+Documentation=https://github.com/coreos/ignition
+ConditionPathExists=/etc/initrd-release
+DefaultDependencies=false
+Before=ignition-complete.target
+After=basic.target
+
+# Run after ignition-setup has run because ignition-setup
+# may copy in new/different ignition configs for us to consume.
+After=ignition-setup-base.service
+After=ignition-setup-user.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+EnvironmentFile=/run/ignition.env
+ExecStart=/usr/bin/ignition --root=/sysroot --platform=${PLATFORM_ID} --stage=fetch-offline

dracut/30ignition/ignition-fetch.service

@@ -5,13 +5,13 @@ ConditionPathExists=/etc/initrd-release
 DefaultDependencies=false
 Before=ignition-complete.target
 After=basic.target
+ConditionPathExists=/run/ignition/neednet
 
-# Run after ignition-setup has run because ignition-setup
-# may copy in new/different ignition configs for us to consume.
-After=ignition-setup-base.service
-After=ignition-setup-user.service
+Requires=ignition-fetch-offline.service
+After=ignition-fetch-offline.service
 
 # Network may be used to fetch userdata content.
+Requires=network.target
 After=network.target
 
 [Service]

dracut/30ignition/module-setup.sh

@@ -70,6 +70,7 @@ install() {
 
     install_ignition_unit ignition-setup-base.service
     install_ignition_unit ignition-setup-user.service
+    install_ignition_unit ignition-fetch-offline.service
     install_ignition_unit ignition-fetch.service
     install_ignition_unit ignition-disks.service
     install_ignition_unit ignition-mount.service