report.sh

#!/bin/bash

SHELL_DIR=$(dirname $0)

DEFAULT="naviat/chart-reporter"
REPOSITORY=${GITHUB_REPOSITORY:-$DEFAULT}

USERNAME=${GITHUB_ACTOR}
REPONAME=$(echo "${REPOSITORY}" | cut -d'/' -f2)

CHARTS=${SHELL_DIR}/target/charts.txt

_init() {
  rm -rf ${SHELL_DIR}/target

  mkdir -p ${SHELL_DIR}/target
  mkdir -p ${SHELL_DIR}/versions

  cp -rf ${SHELL_DIR}/versions ${SHELL_DIR}/target/
}

_load() {
  helm version --client --short

  # add repos
  while read LINE; do
    helm repo add ${LINE}
  done <${SHELL_DIR}/repos.txt
  echo

  helm search repo -o json | jq '.[] | "\"\(.name)\" \(.version) \(.app_version)"' -r >${CHARTS}
}

_check() {
  printf '# %-50s %-20s %-20s\n' "NAME" "NOW" "NEW"

  # check versions
  while read LINE; do
    _get_version ${LINE}
  done <${SHELL_DIR}/checklist.txt
  echo
}

_get_version() {
  CHART="$1"
  CHART_URL="$2"

  REPO="$(echo ${CHART} | cut -d'/' -f1)"
  NAME="$(echo ${CHART} | cut -d'/' -f2)"

  touch ${SHELL_DIR}/versions/${NAME}
  NOW="$(cat ${SHELL_DIR}/versions/${NAME} | xargs)"

  NEW="$(cat ${CHARTS} | grep "\"${CHART}\"" | awk '{print $2" ("$3")"}' | xargs)"

  printf '# %-50s %-20s %-20s\n' "${CHART}" "${NOW}" "${NEW}"

  printf "${NEW}" >${SHELL_DIR}/versions/${NAME}

  if [ "${NOW}" == "${NEW}" ]; then
    return
  fi

  if [ -z "${SLACK_TOKEN}" ]; then
    return
  fi

  curl -sL opspresso.github.io/tools/slack.sh | bash -s -- \
    --token="${SLACK_TOKEN}" --emoji="helm" --color="good" --username="${NAME} ${REPONAME}" \
    --footer="<${CHART_URL}|${CHART}>" \
    --title="helm-chart updated" \
    "\`${CHART}\`\n ${NOW} > ${NEW}"

  echo " slack ${CHART} ${NOW} > ${NEW} "
  echo
}

_message() {
  # commit message
  printf "$(date +%Y%m%d-%H%M)" >${SHELL_DIR}/target/commit_message.txt
}

_run() {
  _init

  _load

  _check

  _message
}

_run