check_openshift_project_phase

#!/bin/bash

set -e -u -o pipefail

. /usr/lib/nagios-plugins-openshift/utils

usage() {
  echo "Usage: $0 -f <path>"
  echo
  echo 'Options:'
  echo ' -f   Config file path'
}

opt_cfgfile=

while getopts 'hf:' opt; do
  case "$opt" in
    h)
      usage
      exit 0
      ;;
    f) opt_cfgfile="$OPTARG" ;;
    *)
      usage >&2
      exit 1
      ;;
  esac
done

shift $((OPTIND - 1))

if [[ -z "$opt_cfgfile" || "$#" -gt 0 ]]; then
  usage >&2
  exit 1
fi

tmpdir=$(mktemp -d)
trap 'rm -rf "$tmpdir"' EXIT

# Capture stderr in variable and redirect stdout to file
# shellcheck disable=SC2069
if ! msg=$(run_oc "$opt_cfgfile" get project \
             --output=json \
             --all-namespaces=true \
             2>&1 >"$tmpdir/data.json"); then
  echo "$msg"
  exit "$state_critical"
fi

jq -r '.items[] |
  @sh "name=\(.metadata.namespace + "/" + .metadata.name) phase=\(.status.phase)"
  ' \
  < "$tmpdir/data.json" > "$tmpdir/parsed.sh"

exit_status="$state_ok"
output=()
metrics=()
terminating=()

declare -A phase_count=(
  [active]=0
  [terminating]=0
  )

while read line; do
  eval "$line"

  lc_phase="${phase,,*}"

  let "++phase_count[$lc_phase]"

  # https://github.com/kubernetes/kubernetes/blob/v1.3.4/pkg/api/v1/types.go#L2558
  case "$lc_phase" in
    active) ;;

    terminating)
      terminating+=( "$name" )
      ;;

    *)
      output+=( "\"$name\" reports unknown phase \"$phase\"" )
      exit_status=$(merge_status "$exit_status" "$state_warning")
      ;;
  esac
done < "$tmpdir/parsed.sh"

if [[ -n "${terminating[*]+${terminating[*]}}" ]]; then
  output+=( "terminating: ${terminating[*]}" )
  exit_status=$(merge_status "$exit_status" "$state_warning")
fi

if [[ -n "${!phase_count[*]}" ]]; then
  for phase in "${!phase_count[@]}"; do
    # http://docs.icinga.org/latest/en/perfdata.html#perfdata-format
    metrics+=( "'$phase'=${phase_count[$phase]};;;0" )
  done
fi

finish "$exit_status" \
  "$(join_args ', ' ${output[@]+"${output[@]}"})" \
  "${metrics[*]+${metrics[*]}}"

# vim: set sw=2 sts=2 et :