Add example scripts for Travis integration

misc/travis/README.md

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+# Travis Integration
+
+This directory contains some helpful example scripts for doing continuous deployment using Pulumi with Travis as
+your continuous integration service.
+
+For more comprehensive information about how to accomplish Travis integration, see
+https://docs.pulumi.com/reference/cd-travis.html.

misc/travis/install-pulumi.sh

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+#!/bin/bash
+# usage: install-pulumi.sh <version-to-install>
+set -o nounset -o errexit -o pipefail
+
+if [ -z "${PULUMI_ACCESS_TOKEN:-}" ]; then
+    >&2 echo "error: please set PULUMI_ACCESS_TOKEN before running this script"
+    exit 1
+fi
+
+if [ -z "${1:-}" ]; then
+    >&2 echo "usage: install-pulumi.sh <version-to-install>"
+    exit 1
+fi
+
+function on_exit {
+    [ ! -e ${WORK_DIR} ] || rm -rf ${WORK_DIR}
+}
+
+OS=""
+case $(uname) in
+    "Linux") OS="linux";;
+    "Darwin") OS="darwin";;
+    *) echo "error: unknown host os $(uname)" ; exit 1;;
+esac
+
+RELEASE_URL="${PULUMI_API:-https://api.pulumi.com}/releases/sdk/pulumi-${1}-${OS}.x64.tar.gz"
+WORK_DIR="$(mktemp -d)"
+
+trap on_exit EXIT
+
+curl -H "Authorization: token ${PULUMI_ACCESS_TOKEN}" ${RELEASE_URL} | tar -C ${WORK_DIR} -zxf -
+
+# If Pulumi's install.sh, it will print an error message to the console, but it won't
+# dump the install log by default. So let's print out the install log in this case.
+if ! ${WORK_DIR}/pulumi/install.sh; then
+    cat ${WORK_DIR}/pulumi/install.log
+    exit 1
+fi

misc/travis/update-stack.sh

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+#!/bin/bash
+
+set -o nounset -o errexit -o pipefail
+
+# NOTE: You need to configure Travis to set the following environment variables:
+#     PULUMI_ACCESS_TOKEN       Your Pulumi access token, from https://beta.pulumi.com/account.
+if [ -z "${PULUMI_ACCESS_TOKEN}" ]; then
+    >&2 echo "error: Missing PULUMI_ACCCESS_TOKEN; required to log into Pulumi.com"
+fi
+
+echo "Deploying Pulumi Application via Travis"
+echo "TRAVIS_BRANCH    : ${TRAVIS_BRANCH}"
+echo "TRAVIS_EVENT_TYPE: ${TRAVIS_EVENT_TYPE}"
+
+# Only do deployments for pushes, not PRs.
+if [ "$TRAVIS_EVENT_TYPE" != "push" ]; then
+    echo "Non-push event type.  Ignoring."
+    exit 0
+fi
+
+# Set PULUMI_STACK_NAMES to be one or more Pulumi stacks you wish to update.  DIRS should contain the location of
+# the Pulumi Program to perform the preview/update.
+BASE=$(dirname "${BASH_SOURCE}")
+case "$TRAVIS_BRANCH" in
+    master)
+        export PULUMI_STACK_NAMES=( "development" )
+        export DIRS=( "$BASE/../infra" )
+        ;;
+    staging)
+        export PULUMI_STACK_NAMES=( "staging" )
+        export DIRS=( "$BASE/../infra" )
+        ;;
+    production)
+        # Deploy to two environments in production, west coast first, east coast second.
+        export PULUMI_STACK_NAMES=( "production-west" "production-east" )
+        export DIRS=( "$BASE/../infra" "$BASE/../infra" )
+        ;;
+    *)
+        echo "Branch '${TRAVIS_BRANCH}' is not associated with a Pulumi stack.  Ignoring."
+        exit 0
+esac
+
+# For each Stack, do a preview/update.
+for ((i=0; i<${#PULUMI_STACK_NAMES[*]}; i++));
+do
+    :
+    export PULUMI_STACK_NAME="${PULUMI_STACK_NAMES[i]}"
+    export DIR="${DIRS[i]}"
+
+    # CD into the Pulumi program folder.
+    cd "${DIR}"
+
+    # Authenticate with Pulumi so we fail early if we cannot.
+    echo "Logging into Pulumi.com:"
+    pulumi login
+    pulumi stack select $PULUMI_STACK_NAME
+
+    # Install dependencies and build the program.
+    yarn install
+    yarn build
+
+    # First do a preview.  This step is optional, but provides a basic check against a class of runtime errors
+    # in your Pulumi program. (e.g. typos, missing dependencies, etc.)
+    echo "Previewing Pulumi updates:"
+    pulumi preview
+
+    # Finally, perform the actual update.
+    echo "Deploying Pulumi updates:"
+    pulumi update
+done