Add automation for release (#82)

* wip

* Update module minor version to 22

* add publish script

* remove us gov cloud and remove aws-vault

* cr feedback

* make sure we use the minor version for tagging

* small NIT

* Update module version to 2.22.0

* make last changes

Author: Czechh

scripts/publish_prod.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# Use with `aws-vault exec <PROFILE> -- ./publish_prod.sh <DESIRED_NEW_VERSION>
+
+set -e
+
+BRANCH=$(git rev-parse --abbrev-ref HEAD)
+echo $BRANCH
+
+if [ $BRANCH != "master" ]; then
+    echo "Not on master, aborting"
+    exit 1
+fi
+
+if [ -z "$AWS_ACCESS_KEY_ID" ]; then
+    echo 'AWS_ACCESS_KEY_ID not set. Are you using aws-vault?'
+    exit 1
+fi
+
+if [ -z "$AWS_SECRET_ACCESS_KEY" ]; then
+    echo 'AWS_SECRET_ACCESS_KEY not set. Are you using aws-vault?'
+    exit 1
+fi
+
+if [ -z "$AWS_SESSION_TOKEN" ]; then
+    echo 'AWS_SESSION_TOKEN not set. Are you using aws-vault?'
+    exit 1
+fi
+
+if [ -z "$1" ]; then
+    echo "Must specify a desired version number"
+    exit 1
+elif [[ ! $1 =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+    echo "Must use a semantic version, e.g., 3.1.4"
+    exit 1
+else
+    NEW_VERSION=$1
+fi
+
+echo 'Checking AWS Regions'
+./scripts/list_layers.sh
+
+read -p "Do the list look good? (y/n) " -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+fi
+
+VERSION_LINE=$(sed -E -n 's/\"(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\"/"\1.\2.\3"/p' ./datadog_lambda/__init__.py)
+CURRENT_VERSION=$(echo "$VERSION_LINE" | cut -d '"' -f 2)
+
+read -p "Ready to publish layers and update the version from $CURRENT_VERSION to $NEW_VERSION? (y/n)" -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+fi
+
+echo ""
+echo "Replacing __version__ in ./datadog_lambda/__init__.py"
+echo ""
+sed -i "" -E "s/\"(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\"/\"$NEW_VERSION\"/" ./datadog_lambda/__init__.py
+
+git commit ./datadog_lambda/__init__.py -m "Update module version to ${NEW_VERSION}"
+
+echo ""
+echo "Building layers..."
+./scripts/build_layers.sh
+
+echo ""
+echo "Publishing layers to AWS regions..."
+./scripts/publish_layers.sh
+
+echo ""
+echo 'Pushing updates to github'
+MINOR_VERSION=$(echo $NEW_VERSION | cut -d '.' -f 2)
+git push origin master
+git push origin "refs/tags/v$MINOR_VERSION"
+
+
+echo 'Checking AWS Regions Again...'
+./scripts/list_layers.sh
+
+
+read -p "Do regions look good? Ready to publish $NEW_VERSION to Pypi? (y/n)" -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+fi
+echo ""
+echo "Publishing to https://pypi.org/project/datadog-lambda/"
+./scripts/pypi.sh
+
+echo ""
+echo "Now create a new release with the tag v${MINOR_VERSION} created"
+echo "https://github.com/DataDog/datadog-lambda-python/releases/new"
+echo ""
+echo "Then publish a new serverless-plugin-datadog version with the new layer versions!"
+echo ""
+