Added the ability to lint the code.

Author: michaelsafyan

opentelemetry-configurator-gcp/.gitignore

@@ -0,0 +1,5 @@
+.build
+build
+dist
+.venv
+

opentelemetry-configurator-gcp/tools/lint.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -o pipefail
+
+SCRIPT_DIR=$(cd $(dirname ${BASH_SOURCE:-0}); pwd)
+PROJECT_DIR=$(readlink -f "${SCRIPT_DIR}/..")
+BUILD_DIR="${PROJECT_DIR}/.build"
+LINT_ENV="${BUILD_DIR}/.lint-venv"
+LINT_REQUIREMENTS="${PROJECT_DIR}/tests/requirements.txt"
+
+function main() {
+    if [ ! -d "${LINT_ENV}" ] ; then
+      mkdir -p "${LINT_ENV}" || exit 1
+    fi
+    if [ ! -d "${LINT_ENV}/bin" ] ; then
+      python3 -m venv "${LINT_ENV}" || exit 1
+    fi
+
+    source "${LINT_ENV}/bin/activate" || exit 1
+    pip install -r ${LINT_REQUIREMENTS} || exit 1
+    pip install pylint || exit 1
+ 
+    cd "${PROJECT_DIR}" || exit 1
+    pylint src
+}
+
+main