# Description: a server-based agent for collecting and sending all metrics
# URL: https://www.influxdata.com/time-series-platform/telegraf/
# Maintainer: Tim Biermann, tbier at posteo dot de
# Depends on: go

name=telegraf
version=1.39.0
release=1
source=(https://github.com/influxdata/telegraf/archive/refs/tags/v$version.tar.gz
  telegraf.service)
renames=($name-$version.tar.gz SKIP)

build() {
  cd $name-$version

  mkdir "$PKGMK_SOURCE_DIR/gopath" || true
  export GOPATH="$PKGMK_SOURCE_DIR/gopath"

  unset GOFLAGS
  _LDFLAGS="-X main.goos=$(go env GOOS)
    -X main.goarch=$(go env GOARCH)
    -X main.version=${version}
    -X main.branch=tag-${version}
    -X main.commit=tag-${version}"

  export CGO_CPPFLAGS="${CPPFLAGS}"
  export CGO_CFLAGS="${CFLAGS}"
  export CGO_CXXFLAGS="${CXXFLAGS}"
  export CGO_LDFLAGS="${LDFLAGS}"

  go build \
    -trimpath \
    -buildmode=pie \
    -mod=readonly \
    -buildvcs=false \
    -ldflags "$_LDFLAGS -s -w" \
    -o build/$name ./cmd/telegraf

  install -d -m 755 $PKG/etc/telegraf $PKG/etc/telegraf/telegraf.d
  install -Dm755 build/$name $PKG/usr/bin/$name
  $PKG/usr/bin/$name -sample-config > $PKG/etc/telegraf/telegraf.conf
  install -Dm755 $SRC/telegraf.service $PKG/etc/rc.d/telegraf
}