goodeggs-deploy.sh

#!/bin/sh
set -ex

# travis_retry isn't available to sub-scripts
retry () { for _ in 1 2 3; do if "$@"; then return; else sleep 10; fi; done; exit 1; }

# Prepare for deploy
commit=$BUILDKITE_COMMIT
[ -n "$commit" ] || commit=$ECRU_COMMIT
[ -n "$commit" ] || commit=$(git rev-parse HEAD)

SHA=$commit yarn run predeploy
echo "module.exports = '$commit';" > ./version.js

STAGING_RANCH_FILE='.ranch.staging.yaml'
PRODUCTION_RANCH_FILE=$([ -f '.ranch.production.yaml' ] && echo '.ranch.production.yaml' || echo '.ranch.yaml')

# Deploy staging
if [ -f "$STAGING_RANCH_FILE" ]; then
  ranch deploy -f "$STAGING_RANCH_FILE"
  ranch run -f "$STAGING_RANCH_FILE" -- yarn run postdeploy
  smoke_test () { SMOKE_TEST_ENV=staging yarn run test:smoke; }
  retry smoke_test
else
  echo "WARNING: $STAGING_RANCH_FILE not found, skipping staging deploy..."
fi

if [ "$DEPLOY_PRODUCTION" = "1" ]; then
  # Deploy production
  ranch deploy -f "$PRODUCTION_RANCH_FILE"
  ranch run -f "$PRODUCTION_RANCH_FILE" -- yarn run postdeploy
else
  echo "DEPLOY_PRODUCTION env var is not set to 1. Not deploying to production."
fi

# Apply changes to Statsfile, if any.
# It's important to check not the _code contents_ of the file, but the final
# exported result, since it may dynamically generate the final Statsfile config.
# Unfortunately, the simplest way to be as broadly compatible as possible (w/
# CoffeeScript, TypeScript, various versions of Babel, etc.) is to `require` the _built_
# Statsfile - although note that below we don't end up actually exercising the built code.
# I'm sorry this is confusing.
# ASSUMPTIONS:
# - code is built into `./build/`
# - Statsfile is built (there's no other reason to do so)
statsfile=$(ls build/Statsfile*.js)
if [ -f "$statsfile" ]; then
  # NOTE: importing Statsfile may import some app modules and log things, so we hash only on the last logged line
  # For example, apps are known to log "STATUS_API_TOKEN required, but not set. Configuring goodeggs-status in simulate mode"
  # within a full JSON log line with a timestamp - which makes this hashing nondeterministic. :(
  statsfile_hash=$(babel-node -e "console.log(JSON.stringify(require('./$statsfile')))" | tail -1 | md5sum | cut -d ' ' -f 1)
  goodeggs_stats_cli_version=$(node -e 'console.log(require("./package.json").devDependencies["goodeggs-stats-cli"])')
  if [ "$goodeggs_stats_cli_version" = "null" ]; then
    echo "WARNING: Statsfile found but no dev dependency on goodeggs-stats-cli."
    echo "Unable to reapply Statsfile when version changes."
  fi
  goodeggs_stats_state_hash="$statsfile_hash":"$goodeggs_stats_cli_version"
fi
apply_statsfile() {
  # Assume babel 6 if not overriden. Someday we should remove this.
  DEFAULT_GOODEGGS_STATS_ARGS='--require=babel-register'
  args=${GOODEGGS_STATS_ARGS-$DEFAULT_GOODEGGS_STATS_ARGS}
  # shellcheck disable=SC2086
  goodeggs-stats $args
  if [ ! -d ./.goodeggs-stats-state ]; then mkdir ./.goodeggs-stats-state; fi
  echo "$goodeggs_stats_state_hash" > ./.goodeggs-stats-state/md5_hash
}
if [ ! -f ./.goodeggs-stats-state/md5_hash ]; then
  echo 'No cached Statsfile hash; applying it'
  apply_statsfile
else
  prev_goodeggs_stats_state_hash=$(cat ./.goodeggs-stats-state/md5_hash)
  if [ "$goodeggs_stats_state_hash" != "$prev_goodeggs_stats_state_hash" ]; then
    echo 'Statsfile changed since last deploy; applying it'
    apply_statsfile
  else
    echo 'Statsfile unchanged since last deploy'
  fi
fi