dracut: Do not include module by default when building kdump initrd

Related to coreos/fedora-coreos-tracker#1832

Author: HuijingHei

overlay.d/05rhcos/usr/lib/dracut/modules.d/10ignition-godebug/module-setup.sh

@@ -2,6 +2,17 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
+check() {
+    # If we are in a kdump environment return 255, so this module is only
+    # included if some other module depends on it
+    # See: https://github.com/coreos/fedora-coreos-tracker/issues/1832
+    #
+    # This module requires integration with the rest of the initramfs, so don't include it by default.
+    if [[ $IN_KDUMP == 1 ]]; then
+        return 255
+    fi
+}
+
 depends() {
     echo systemd
 }

overlay.d/05rhcos/usr/lib/dracut/modules.d/30rhcos-afterburn-checkin/module-setup.sh

@@ -8,12 +8,19 @@
 # even though things are. Kube will do the actual health handling
 # for the machine.
 
-depends() {
-    echo network systemd
+check() {
+    # If we are in a kdump environment return 255, so this module is only
+    # included if some other module depends on it
+    # See: https://github.com/coreos/fedora-coreos-tracker/issues/1832
+    #
+    # This module requires integration with the rest of the initramfs, so don't include it by default.
+    if [[ $IN_KDUMP == 1 ]]; then
+        return 255
+    fi
 }
 
-check() {
-    return 0
+depends() {
+    echo network systemd
 }
 
 install() {

overlay.d/05rhcos/usr/lib/dracut/modules.d/40rhcos-fips/module-setup.sh

@@ -1,7 +1,14 @@
 #!/bin/bash
 
 check() {
-    return 0
+    # If we are in a kdump environment return 255, so this module is only
+    # included if some other module depends on it
+    # See: https://github.com/coreos/fedora-coreos-tracker/issues/1832
+    #
+    # This module requires integration with the rest of the initramfs, so don't include it by default.
+    if [[ $IN_KDUMP == 1 ]]; then
+        return 255
+    fi
 }
 
 depends() {

overlay.d/05rhcos/usr/lib/dracut/modules.d/41rhcos-check-luks-syntax/module-setup.sh

@@ -1,5 +1,16 @@
 #!/bin/bash
 
+check() {
+    # If we are in a kdump environment return 255, so this module is only
+    # included if some other module depends on it
+    # See: https://github.com/coreos/fedora-coreos-tracker/issues/1832
+    #
+    # This module requires integration with the rest of the initramfs, so don't include it by default.
+    if [[ $IN_KDUMP == 1 ]]; then
+        return 255
+    fi
+}
+
 install_unit() {
     local unit="$1"; shift
     local target="${1:-ignition-complete.target}"; shift