pulumi/scripts/docker-entry.sh
joeduffy 2499539afb Add the ability to have a stacks map file
For CI situations, we'll support a simple stacks map file, e.g.

    {
        "refs/heads/master": "production",
        "refs/heads/testing": "test'
    }

and, when PULUMI_CI is set, we'll use it to select the stack.

This is purely for experimental purposes; we're not sure this is
exactly what we want right now, but it's better than the manual
munging we've been doing with various bash scripts, etc. right now.
2018-10-01 13:45:26 -07:00

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#!/bin/bash
# This is an entrypoint for our Docker image that does some minimal bootstrapping before executing.
set -e
# If the PULUMI_CI variable is set, we'll do some extra things to make common tasks easier.
if [ ! -z "$PULUMI_CI" ]; then
# Detect the CI system and configure variables so that we get good Pulumi workflow and GitHub App support.
if [ ! -z "$GITHUB_WORKFLOW" ]; then
REF="$GITHUB_REF"
export PULUMI_CI_SYSTEM="GitHub"
export PULUMI_CI_BUILD_ID=
export PULUMI_CI_BUILD_TYPE=
export PULUMI_CI_BUILD_URL=
export PULUMI_CI_PULL_REQUEST_SHA="$GITHUB_SHA"
fi
# Respect the branch mappings file for stack selection. Note that this is *not* required, but if the file
# is missing, the caller of this script will need to pass `-s <stack-name>` to specify the stack explicitly.
if [ ! -z "$REF" ] && [ -e .pulumi/ci.json ]; then
PULUMI_STACK_NAME=$(cat .pulumi/ci.json | jq -r ".\"$REF\"")
if [ "$PULUMI_STACK_NAME" != "null" ]; then
pulumi stack select $PULUMI_STACK_NAME
else
echo "No stack configured for branch '$REF'"
echo ""
echo "To configure this branch, please"
echo "\t1) Run 'pulumi stack init <stack-name>'"
echo "\t2) Associated the stack with the branch by adding"
echo "\t\t{"
echo "\t\t\t\"$REF\": \"<stack-name>\""
echo "\t\t}"
echo "\tto your .pulumi/ci.json file"
echo ""
echo "For now, exiting cleanly without doing anything..."
exit 0
fi
fi
fi
# Next, lazily install packages if required.
if [ -e package.json ] && [ ! -d node_modules ]; then
npm install
fi
# Now just pass along all arguments to the Pulumi CLI.
pulumi "$@"