#!/bin/bash

. /etc/print-status.conf

pin_md() {
  while read -r md rest; do
    md_new="${md}"
    if [ -z "${md_new##*:}" ]; then
      md_new="${md_new%:}"
    fi;
    if [ -z "${md_new%%md*}" ] && [ -b "/dev/${md_new}" ]; then
      uuid=$(
        mdadm --detail "/dev/${md_new}" \
        | awk '$1 == "UUID" {print $3}'
      );
      if [ -n "${uuid}" ]; then
        md_new=$(
          sed '
            / UUID='"${uuid}"'$/ !d
            s@^ARRAY\s\+/dev/\(md[0-9]\+\)\s\+.*$@\1@
            t
            d
          ' /etc/mdadm.conf
        )
      fi
    fi
    if [ -z "${md_new}" ]; then
      md_new="${md%:}"
    fi
    printf '%s %s' "${md_new}" "${md}"
    if [ -n "${rest}" ]; then
      printf ' %s' "${rest}"
    fi
    printf '\n'
  done
}

{
  find /dev/mapper -mindepth 1 -maxdepth 1 \( -name 'leg*' -o -name 'foot*' \) -printf '%f\n' \
  | sort -u \
  | xargs -rn1 cryptsetup status \
  | grep -v '^\s\+device:'
  sed -n '
    /^Personalities/d
    /^\S/ {
      N
      s/^\(\S\+\)\s*:.*\n\s*\([0-9]\)/\1: \2/
      T
      p
    }
  ' /proc/mdstat \
  | pin_md \
  | sed 's@^md\([0-9]\+\) @\1 \0@' \
  | sort -k1n,1 \
  | sed 's@^\S\+ \(\S\+\) \S\+ @\1: @'
  find /sys/block/ -mindepth 1 -maxdepth 1 -name 'md*' -printf '%f\n' \
  | pin_md \
  | sed 's@^md@@' \
  | sort -n \
  | while read -r md_p md; do
    printf 'md%s: %s' \
      "${md_p}" \
      "$(
        sed '
          s/^clean$\|^write-pending$\|^active-idle$/active/
        ' "/sys/block/${md}/md/array_state" \
        | tr -d '\n'
      )"
    if [ -f "/sys/block/${md}/md/mismatch_cnt" ]; then
      printf ' '
      cat "/sys/block/${md}/md/mismatch_cnt"
    else
      printf '\n'
    fi
  done
  if command -v ssacli >/dev/null 2>&1; then
    ssacli ctrl slot=1 ld all show \
    | grep -v '^\s*$'
  fi
} | \
  if mountpoint -q "${http_dir}"; then
    sponge "${http_dir}/status"
    date +%s > "${http_dir}/status.time"
  else
    cat
  fi