125 lines
4.7 KiB
Markdown
125 lines
4.7 KiB
Markdown
# Google Cloud Healthcare
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> ATTENTION: The original documentation for this integration lives in the legacy
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> `version 1` Meteor documentation. You can
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> [find it here](/history/v1/connecting-to-image-archives/google-cloud-healthcare.html).
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> These docs will mirror the Meteor documentation until our `React`
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> implementation has been updated to work with Google Cloud Healthcare.
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> The [Google Cloud Healthcare API](https://cloud.google.com/healthcare/) is a
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> powerful option for storing medical imaging data in the cloud.
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An alternative to deploying your own PACS is to use a software-as-a-service
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provider such as Google Cloud. The Cloud Healthcare API promises to be a
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scalable, secure, cost effective image storage solution for those willing to
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store their data in the cloud. It offers an
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[almost-entirely complete DICOMWeb API](https://cloud.google.com/healthcare/docs/dicom)
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which requires tokens generated via the
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[OAuth 2.0 Sign In flow](https://developers.google.com/identity/sign-in/web/sign-in).
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Images can even be transcoded on the fly if this is desired. The Cloud
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Healthcare API is a very attractive option because it allows us to avoid
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deploying the Meteor server entirely. We can just deploy OHIF as a client-only
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static site application.
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## Setup a Google Cloud Healthcare Project
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- Create a Google Cloud account
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- Create a project in Google Cloud
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- Enable the [Cloud Healthcare API](https://cloud.google.com/healthcare/) for
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your project.
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- (Optional): Create a Dataset and Data Store for storing your DICOM data
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- Enable the
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[Cloud Resource Manager API](https://cloud.google.com/resource-manager/) for
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your project.
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- _Note:_ If you are having trouble finding the APIs, use the search box at
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the top of the Cloud console.
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- Go to APIs & Services > Credentials to create an OAuth Consent screen and fill
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in your application details.
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- Under Scopes for Google APIs, click "manually paste scopes".
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- Add the following scopes:
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- `https://www.googleapis.com/auth/cloudplatformprojects.readonly`
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- `https://www.googleapis.com/auth/cloud-healthcare`
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- Go to APIs & Services > Credentials to create a new set of credentials:
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- Choose the "Web Application" type
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- Set up an
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[OAuth 2.0 Client ID](https://support.google.com/cloud/answer/6158849?hl=en)
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- Add your domain (e.g. `http://localhost:3000`) to Authorized JavaScript
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origins.
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- Add your domain, plus `_oauth/google` (e.g.
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`http://localhost:3000/_oauth/google`) to Authorized Redirect URIs.
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- Save your Client ID for later.
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- (Optional): Enable Public Datasets that are being hosted by Google:
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https://cloud.google.com/healthcare/docs/resources/public-datasets/
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## Run the viewer with your OAuth Client ID
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1. Open the `config/oidc-googleCloud.json` file and change `YOURCLIENTID` to
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your Client ID value.
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1. Run the OHIF Viewer using the oidc-googleCloud.json configuration file
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```bash
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cd OHIFViewer
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METEOR_PACKAGE_DIRS="../Packages" meteor npm install
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METEOR_PACKAGE_DIRS="../Packages" meteor --settings ../config/oidc-googleCloud.json
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```
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## Running via Docker
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OHIF is also providing a Docker container which can connect to Google Cloud
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Healthcare with a Client ID which is provided at runtime. This is a very simple
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method to get up and running. Internally, the container is running
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[Nginx](https://nginx.org/) to serve the
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[Standalone Viewer](../standalone-viewer/usage.md).
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1. Install Docker (https://www.docker.com/)
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1. Run the Docker container, providing a Client ID as an environment variable.
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Client IDs look like `xyz.apps.googleusercontent.com`.
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```bash
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docker run --env CLIENT_ID=$CLIENT_ID --publish 3000:80 ohif/viewer-google-cloud:latest
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```
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## Building the ohif/viewer-google-cloud Docker Image
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The
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[ohif/viewer-google-cloud](https://cloud.docker.com/u/ohif/repository/docker/ohif/viewer-google-cloud)
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Docker image is built as follows. The Dockerfile and nginx.conf are in the
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`/dockersupport/viewer-google-cloud` folder.
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1. [Install Meteor](https://www.meteor.com/install)
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1. Clone the repository
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```bash
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git clone https://github.com/OHIF/Viewers.git
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cd Viewers
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```
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1. Install meteor-build-client-fixed2 so you can build the Standalone Viewer
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```bash
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npm install -g meteor-build-client-fixed2
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```
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1. Build the Standalone client-only OHIF Viewer
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```bash
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cd OHIFViewer/
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METEOR_PACKAGE_DIRS="../Packages" meteor npm install
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METEOR_PACKAGE_DIRS="../Packages" meteor-build-client-fixed2 ../dockersupport/viewer-google-cloud/build -s ../config/oidc.json
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```
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1. Build the Docker image
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```bash
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cd ../dockersupport/viewer-google-cloud
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docker build -t ohif/viewer-google-cloud .
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```
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1. Run the Docker image using an OAuth Client ID
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```bash
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docker run --env CLIENT_ID={$someID}.apps.googleusercontent.com --publish 3000:80 ohif/viewer-google-cloud
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```
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