build(circleci): Save and link to CircleCI artifact

* Save storybook as artifact and link GitHub deployment to it

.circleci/config.yml

@@ -32,6 +32,22 @@ jobs:
 
       - run: yarn lint
       - run: yarn danger ci --failOnErrors
+      - run:
+          name: Create GitHub Deployment
+          command: ./scripts/deployment_start.sh > deployment
+      - run:
+          name: Build Storybook
+          command: yarn run build-storybook
+      - store_artifacts:
+          path: storybook-static
+      - run:
+          name: Add GitHub Deployment success status
+          command: ./scripts/deployment_stop.sh success
+          when: on_success
+      - run:
+          name: Add GitHub Deployment error status
+          command: ./scripts/deployment_stop.sh error
+          when: on_fail
 
 workflows:
   build:

scripts/deployment_start.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+set -eu
+
+token=${GITHUB_DEPLOYMENTS_TOKEN:?"Missing GITHUB_TOKEN environment variable"}
+
+if ! deployment=$(curl -s \
+                       -X POST \
+                       -H "Authorization: bearer ${token}" \
+                       -d "{ \"ref\": \"${CIRCLE_SHA1}\", \"environment\": \"storybook\", \"description\": \"Storybook\", \"transient_environment\": true, \"auto_merge\": false, \"required_contexts\": []}" \
+                       -H "Content-Type: application/json" \
+                       "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/deployments"); then
+    echo "POSTing deployment status failed, exiting (not failing build)" 1>&2
+    exit 1
+fi
+
+if ! deployment_id=$(echo "${deployment}" | python -c 'import sys, json; print json.load(sys.stdin)["id"]'); then
+    echo "Could not extract deployment ID from API response" 1>&2
+    exit 3
+fi
+
+echo "${deployment_id}" > deployment

scripts/deployment_stop.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+set -eu
+
+token=${GITHUB_DEPLOYMENTS_TOKEN:?"Missing GITHUB_TOKEN environment variable"}
+
+if ! deployment_id=$(cat deployment); then
+    echo "Deployment ID was not found" 1>&2
+    exit 3
+fi
+
+if [ "$1" = "error" ]; then
+    curl -s \
+         -X POST \
+         -H "Authorization: bearer ${token}" \
+         -d "{\"state\": \"error\", \"environment\": \"storybook\"" \
+         -H "Content-Type: application/json" \
+         "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/deployments/${deployment_id}/statuses"
+    exit 1
+fi
+
+if ! repository=$(curl -s \
+                       -X GET \
+                       -H "Authorization: bearer ${token}" \
+                       -d "{}" \
+                       -H "Content-Type: application/json" \
+                       "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}"); then
+    echo "Could not fetch repository data" 1>&2
+    exit 1
+fi
+
+if ! repository_id=$(echo "${repository}" | python -c 'import sys, json; print json.load(sys.stdin)["id"]'); then
+    echo "Could not extract repository ID from API response" 1>&2
+    exit 3
+fi
+
+# does not seem to be necessary for react-uswds, not sure why
+# path_to_repo=$(echo "$CIRCLE_WORKING_DIRECTORY" | sed -e
+# "s:~:$HOME:g")
+path_to_repo=""
+url="https://${CIRCLE_BUILD_NUM}-${repository_id}-gh.circle-artifacts.com/0${path_to_repo}/storybook-static/index.html"
+
+if ! deployment=$(curl -s \
+                       -X POST \
+                       -H "Authorization: bearer ${token}" \
+                       -d "{\"state\": \"success\", \"environment\": \"storybook\", \"environment_url\": \"${url}\", \"target_url\": \"${url}\", \"log_url\": \"${url}\"}" \
+                       -H "Content-Type: application/json" \
+                       "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/deployments/${deployment_id}/statuses"); then
+    echo "POSTing deployment status failed, exiting (not failing build)" 1>&2
+    exit 1
+fi