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#Nebula 3 setup windows code

OIDC_JWT_AUDIENCE (default is 'account') - The OIDC server will return a JWT with a specific audience - for Keycloak installs this is 'account', other OIDC providers may specify something different.OIDC_CLIENT_ID - The OIDC client ID you have created for the Mesh Admin.For Keycloak installs this will be in the format your-keycloak-host/auth/realms/ your-realm-name/.well-known/openid-configuration Next, we need to run the container, specifying a few required environment variables to configure the mesh admin: If you are running keycloak, you will also want to create a Group Mapper so that the userinfo endpoint contains your groups It is always redirected back to localhost so the connecting client can obtain a JWT outside the browser. - This is the redirection URI used by the mesh users./oidc_callback on your Nebula Mesh Admin (eg if you deploy your mesh admin locally, the complete redirect uri will be.You will need to configure two redirection URIs for the client:

#Nebula 3 setup windows code

Nebula Mesh Admin uses the Authorization Code Flow with PKCE so ensure to configure your client with those enabled (Keycloak calls Authorization Code Flow 'Standard Flow'). For Keycloak that means logging into the admin console, selecting your realm and creating a new client. You'll need to configure your OIDC client app.

Have a look at their quick start guide for docker at Ģdocker build -t nebula-mesh-admin:latest nebula-mesh-admin/

If you need an OpenID endpoint to test with, Keycloak is an easy way of creating a local one.

Docker daemon (or other container runtime).

Nebula Mesh Admin can run in a docker container, which is probably the easiest way to get started. The code is available on GitHub ( ), so lets try it out. Groups are retrieved from the userinfo endpoint, and it also includes some basic enrollment services (so you can onboard permanent members of the mesh network easier). It uses OpenID Connect to check user credentials and relies on the signing endpoint being given a valid access token.

Checks user credentials and obtains a list of groups.

I created a simple mesh administration WebUI which: Instead, lets create a service that will take in a signing request, check user credentials, and return a short-lived certificate to the user on-demand. You could get users to generate a keypair, send the public key to an administrator for signing, then get back the resulting certificate for installation on a users comptuer before connecting to the mesh - however this is tedious and leads to long-lived certificates which could be compromised. The current state for enrolling new nodes on a Nebula mesh is to use the nebula-cert program to create and sign certificates. The certificate contains all the information. This lets us issue short-lived certificates to users that want to join the mesh, and also means we dont need any infrastructure to communicate these new nodes to other nodes.

The certificate includes everything other nodes require in order to communicate with another authorised node - ip address, group list, subnets, and importantly an expiry date. Nebula uses a custom protobuf certificate format to authorise node communication. Wouldn't it be great if you could allow your users to connect to the mesh on-demand using their user credentials? Nebula Authentication Nebula is a great tool for creating mesh networks in your infrastructure.