google-cloud-cli Package from Google official repositorie.
Package includes environment variables which are on
/etc/profile.d/google-cloud-cli.sh (and csh)
We will use python3 from Slackware, runtimes are stripped.

CLOUDSDK_ROOT_DIR=/opt/google-cloud-cli
GOOGLE_CLOUD_SDK_HOME=$CLOUDSDK_ROOT_DIR
CLOUDSDK_PYTHON=/usr/bin/python3
CLOUDSDK_GSUTIL_PYTHON=/usr/bin/python3
CLOUDSDK_BQ_PYTHON=/usr/bin/python3
#CLOUDSDK_ENCODING
#CLOUDSDK_PYTHON_ARGS
#CLOUDSDK_PYTHON_SITEPACKAGES

* Login commands
 gcloud auth login
 gcloud config set project [YOUR_PROJECT_ID]

* Avaiable binaries
gsutil
bq
gcloud