Script for rebuild indexes and invalidate cache in Sonatype nexus 3 NPM proxy repositories

nexus-npm-cache-revalidate.sh

#!/usr/bin/env bash
#
#  Script for rebuild indexes and invalidate cache in NPM proxy repositories.
#  Configuration can load from hide file with same name as script
#     Example: this-srcipt.sh load config from ./.this-srcipt
#
#  Copyright 2020 WoozyMasta <[email protected]>
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.
#

set -euo pipefail

readonly binaries=(jq curl)

manage-nexus() {
  local action; action=${1:-invalidate-cache}
  _rc=$(
    curl -X POST -sLku "$NEXUS_USER:$NEXUS_PASS" \
      -H "accept: application/json" \
      -w '%{response_code}' \
      "$NEXUS_URL/service/rest/v1/repositories/$repo/$action"
  )
  if [ "$_rc" -eq 204 ]; then
    printf '%s\n' "Task ${action//-/ } for repository \"$repo\" completed."
  else
    >&2 printf '%s\n' \
      "Task ${action//-/ } for repository \"$repo\" failed with code $_rc "
  fi
}

binary-exist () {
  command -v "${1:-}" &>/dev/null || {
    >&2 printf '%s\n' "Binary ${1:-nonne} not found. Terminated."
    exit 1
  }
}

for x in "${binaries[@]}"; do binary-exist "$x"; done

config="./.$(basename -s .sh "$0")"
if [ -f "$config" ]; then
  # shellcheck disable=SC1090
  . "$config"
fi

: "${NEXUS_URL:?Nexus registry URL not defined}"
: "${NEXUS_USER:?Nexus user login not defined}"
: "${NEXUS_PASS:?Nexus user passwordL not defined}"

mapfile -t repos < <(
  curl -sfLku "$NEXUS_USER:$NEXUS_PASS" \
    "$NEXUS_URL/service/rest/v1/repositories" |\
    jq -er '.[] | select(.format=="npm") | select(.type=="proxy") | .name'
)

for repo in "${repos[@]}"; do
  manage-nexus rebuild-index
  manage-nexus invalidate-cache
done

exit 0