feat: add mdadm package

The mdadm/udev-rules help to activate soft raid on boot time or then it attached.

Makefile

@@ -19,7 +19,7 @@ COMMON_ARGS += --build-arg=https_proxy=$(https_proxy)
 empty :=
 space = $(empty) $(empty)
 
-TARGETS =  ca-certificates  cni  containerd cryptsetup dosfstools  eudev  fhs  grub ipmitool  iptables ipxe kernel  kmod  libaio libjson-c liblzma libpopt libressl  libseccomp  linux-firmware lvm2  musl  open-iscsi  open-isns raspberrypi-firmware runc  socat  syslinux u-boot  util-linux  xfsprogs
+TARGETS =  ca-certificates  cni  containerd cryptsetup dosfstools  eudev  fhs  grub ipmitool  iptables ipxe kernel  kmod  libaio libjson-c liblzma libpopt libressl  libseccomp  linux-firmware lvm2 mdadm  musl  open-iscsi  open-isns raspberrypi-firmware runc  socat  syslinux u-boot  util-linux  xfsprogs
 
 all: $(TARGETS) ## Builds all known pkgs.
 

mdadm/files/udev-md-raid-arrays.rules

@@ -0,0 +1,36 @@
+# do not edit this file, it will be overwritten on update
+
+SUBSYSTEM!="block", GOTO="md_end"
+
+# handle md arrays
+ACTION!="add|change", GOTO="md_end"
+KERNEL!="md*", GOTO="md_end"
+
+# partitions have no md/{array_state,metadata_version}, but should not
+# for that reason be ignored.
+ENV{DEVTYPE}=="partition", GOTO="md_ignore_state"
+
+# container devices have a metadata version of e.g. 'external:ddf' and
+# never leave state 'inactive'
+ATTR{md/metadata_version}=="external:[A-Za-z]*", ATTR{md/array_state}=="inactive", GOTO="md_ignore_state"
+TEST!="md/array_state", GOTO="md_end"
+ATTR{md/array_state}=="clear*|inactive", GOTO="md_end"
+LABEL="md_ignore_state"
+
+IMPORT{program}="/sbin/mdadm --detail --no-devices --export $devnode"
+ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}", OPTIONS+="string_escape=replace"
+ENV{DEVTYPE}=="disk", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}"
+ENV{DEVTYPE}=="disk", ENV{MD_DEVNAME}=="?*", SYMLINK+="md/$env{MD_DEVNAME}"
+ENV{DEVTYPE}=="partition", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}-part%n", OPTIONS+="string_escape=replace"
+ENV{DEVTYPE}=="partition", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}-part%n"
+ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[^0-9]", SYMLINK+="md/$env{MD_DEVNAME}%n"
+ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[0-9]", SYMLINK+="md/$env{MD_DEVNAME}p%n"
+
+IMPORT{builtin}="blkid"
+OPTIONS+="link_priority=100"
+OPTIONS+="watch"
+ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
+ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}"
+ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
+
+LABEL="md_end"

mdadm/files/udev-md-raid-assembly.rules

@@ -0,0 +1,30 @@
+# do not edit this file, it will be overwritten on update
+
+# assemble md arrays
+SUBSYSTEM!="block", GOTO="md_inc_end"
+
+# handle potential components of arrays (the ones supported by md)
+ENV{ID_FS_TYPE}=="linux_raid_member", GOTO="md_inc"
+
+# "noiswmd" on kernel command line stops mdadm from handling
+#  "isw" (aka IMSM - Intel RAID).
+# "nodmraid" on kernel command line stops mdadm from handling
+#  "isw" or "ddf".
+IMPORT{cmdline}="noiswmd"
+IMPORT{cmdline}="nodmraid"
+
+ENV{nodmraid}=="?*", GOTO="md_inc_end"
+ENV{ID_FS_TYPE}=="ddf_raid_member", GOTO="md_inc"
+ENV{noiswmd}=="?*", GOTO="md_inc_end"
+ENV{ID_FS_TYPE}=="isw_raid_member", ACTION!="change", GOTO="md_inc"
+GOTO="md_inc_end"
+
+LABEL="md_inc"
+
+# remember you can limit what gets auto/incrementally assembled by
+# mdadm.conf(5)'s 'AUTO' and selectively whitelist using 'ARRAY'
+ACTION=="add|change", IMPORT{program}="/sbin/mdadm --incremental --export $devnode --offroot $env{DEVLINKS}"
+ACTION=="remove", ENV{ID_PATH}=="?*", RUN+="/sbin/mdadm -If $name --path $env{ID_PATH}"
+ACTION=="remove", ENV{ID_PATH}!="?*", RUN+="/sbin/mdadm -If $name"
+
+LABEL="md_inc_end"

mdadm/pkg.yaml

@@ -0,0 +1,28 @@
+name: mdadm
+variant: scratch
+shell: /toolchain/bin/bash
+dependencies:
+  - stage: base
+  - stage: eudev
+steps:
+  - sources:
+      - url: http://www.kernel.org/pub/linux/utils/raid/mdadm/mdadm-4.2-rc3.tar.gz
+        destination: mdadm.tar.gz
+        sha256: 65e26e4c7a45c8dbfbeaa2230181a4226483c4ce0579bb6d2bb25a3bf4656e2b
+        sha512: d0eb0dd151120c8860def555200a07f6cdf9396bf7e21a8545fae25d1d7d52ffe3ebc7798ab717a554932cb2e553c1483c5db31e99633adfd3211736c891f717
+    prepare:
+      - |
+        tar -xzf mdadm.tar.gz --strip-components=1
+    build:
+      - |
+        mkdir -p /run/mdadm
+        make -j $(nproc) mdadm
+    install:
+      - |
+        mkdir -p /rootfs/sbin /rootfs/usr/lib/udev/rules.d
+        cp mdadm /rootfs/sbin
+        cp /pkg/files/udev-md-raid-arrays.rules   /rootfs/usr/lib/udev/rules.d/63-md-raid-arrays.rules
+        cp /pkg/files/udev-md-raid-assembly.rules /rootfs/usr/lib/udev/rules.d/64-md-raid-assembly.rules
+finalize:
+  - from: /rootfs
+    to: /