Add smart-health-check

bin/smart-health-check

@@ -0,0 +1,59 @@
+#! /usr/bin/env bash
+
+if [ -z $1 ]; then
+  echo "usage: smart-health-check <device>"
+  exit 1
+fi
+
+trim() {
+  local string="$@"
+  string="${string#"${string%%[![:space:]]*}"}"
+  string="${string%"${string##*[![:space:]]}"}"
+  echo -n "$string"
+}
+
+check-status() {
+  local raw_status="$(smartctl -H $1)"
+  local status="$(echo "$raw_status" | grep "^SMART overall-health")"
+
+  if [[ "$(trim "$status")" != *"PASSED" ]]; then
+    echo "$(tput setaf 1)SMART Status: FAIL:$(tput sgr0)" \
+         "smartctl -H $1:"
+    echo ""
+    echo "$raw_status"
+    exit 3
+  fi
+}
+
+check-attributes() {
+  local attr
+  local fail=0
+  local raw_status="$(smartctl -A $1)"
+  local report="$(echo "$raw_status" | grep "^ID# ")"
+
+  for id in 1 5 10 196 198; do
+    attr="$(echo "$raw_status" | grep "^\s*${id}\s")"
+    if [ -n "$(trim "$attr")" ] && [[ "$(trim "$attr")" != *" 0" ]]; then
+      fail=1
+      report="$report\n$attr"
+    fi
+  done
+
+  if [ $fail != 0 ]; then
+    echo "$(tput setaf 2)SMART Status: PASSED:$(tput sgr0)" \
+         "$(tput setaf 1)- may FAIL soon:$(tput sgr0)" \
+         "smartctl -A $1:"
+    echo ""
+    echo -e "$report"
+    exit 2
+  fi
+}
+
+main() {
+  check-status $1
+  check-attributes $1
+  echo "SMART Status: $(tput setaf 2)PASSED$(tput sgr0)"
+}
+
+
+main $@