遅延アラートクローズスクリプト

deferclose.sh

#!/bin/bash
CLOSE_AFTER_MINUTES="60"
CLOSE_CHECK_ONLY=true
DRYRUN=

if [ -z "$(mkr --version 2>/dev/null)" ]; then
  echo "ERROR: Missing mkr. Install mkr package."
  exit 1
fi
if [ ! -f "/etc/mackerel-agent/mackerel-agent.conf" -a -z "$MACKEREL_APIKEY" ]; then
  echo "ERROR: Define MACKEREL_APIKEY."
  exit 1
fi

if [ "$CLOSE_CHECK_ONLY" ]; then
  RESULT=$(mkr alerts -jq '.[] | select(.type == "check") | [.id, .openedAt] | @tsv')
else
  RESULT=$(mkr alerts -jq '.[] | [.id, .openedAt] | @tsv')
fi

echo "$RESULT" | {
  CLOSES=
  while read line; do
    # alertID openedAt
    array=($line)  # bash
    if [ "$(date +"%s")" -ge "$(expr ${array[1]} + $CLOSE_AFTER_MINUTES \* 60)" ]; then
      CLOSES="$CLOSES ${array[0]}"
    fi
  done

  if [ "$CLOSES" ]; then
    $DRYRUN mkr alerts close --reason "auto closed because more than ${CLOSE_AFTER_MINUTES} minutes passed." $CLOSES
  fi
}