calendar-notifier

Calendar Notifier provides event handler and actions triggered by Google Calendar.

Features

Create GCP Project
- https://cloud.google.com/resource-manager/docs/creating-managing-projects
Create GCP Service Account
- Role assignment is not required if it does not use pubsub action.
- https://cloud.google.com/iam/docs/creating-managing-service-accounts
Share Google Calendar with service account
- Use service account e-mail address. (e.g. my-service-account@project-id.iam.gserviceaccount.com)
- https://support.google.com/calendar/answer/37082
Set SERVICE_ACCOUNT environment. Use base64 encoded GCP Service Account JSON.
- echo "SERVICE_ACCOUNT=$(base64 < service_account.json)" > .env
Edit config.sample.yml and save as config.yml.
Set CONFIG environment. Use base64 encoded config.yml.
- echo "CONFIG=$(base64 < config.yml)" > .env

Run docker build -t calendar-notifier .
Run docker run -e SERVICE_ACCOUNT=$(base64 < service_account.json) -e CONFIG=$(base64 < config.yml) calendar-notifier

If use Cloud Tasks Action, service account should have the following permissions.

cloudtasks.tasks.list
cloudtasks.tasks.create
cloudtasks.tasks.delete
iam.serviceAccounts.actAs

For example, give your service account the following roles.

roles/cloudtasks.viewer
roles/cloudtasks.enqueuer
roles/cloudtasks.taskDeleter
roles/iam.serviceAccountUser

If use Cloud Pub/Sub Action, service account should have the following permissions.

pubsub.topics.publish

For example, give your service account the following roles.

roles/pubsub.publisher