Status

WARNING This is draft implementation. It will likely change based on the feedback! Use at own risk!!!

Description

SPIFFE is a draft implementation of SPIFFE.io

It includes:

Certificate Authority management server backend by ETCD (with pluggable backends)
GRPC API
spiffectl - command line API tool

Notes for developers

Test everything:

make test

Test package that you need:

make test-package make test-package p=./lib/workload/api/

Test only function in the package that you need:

make test-package p=./lib/workload/api/ e=Workload

Glossary

SPIFFE

SPIFFE: Secure Production Identity Framework For Everyone. This is a draft spec and guidelines for x509-based mutual TLS identity framework. It adds special URN namespace spiffe and embeds SPIFFE URN inside x509 certificates

Trusted Root Bundle

Trusted Root Bundle is a collection of trusted root x509 certificates. SPIFFE service lets you control certificate root bundles and make sure infrastructure services get the right bundles installed

Certificate Authority

Certificate Authority is x509 certificate authority used to sign SPIFFE-powered certificates

Quickstart

Start local SPIFFE service:

make run

Trusted Root Bundles

Create Trusted Root Bundle from local directory with certificates

spiffectl bundle create --replace --id=web --dir=/etc/ssl/certs

You can now export the bundle inside any directory and watch for updates:

spiffectl bundle export --id=web --dir=/tmp/web --exec="/bin/echo updated" --debug --watch

You will see certificates populated to the directory.

ls -l /tmp/web

Every time you update the bundle, directory will be updated as well

Certificates and Certificate Authorities

Create self signed local certificate authority

 spiffectl ca create --replace --id=test --common-name=localhost --org=localhost --ttl=100000h

spiffectl ca ls

[Certificate Authorities]
-------------------------
* id: 'spiffe.localhost.localdomain', CN=spiffe.localhost.localdomain, expires: 2026-09-14 17:31:20 +0000 UTC
* id: 'test', CN=localhost, expires: 2028-02-15 11:39:00 +0000 UTC

You will see 2 Cert Authorities: 1 is a local CA used by SPIFFE itself, another is the one you've just created.

Import CA

You can also import CA:

spiffectl ca import --id=existing --in-key-file=fixtures/certs/ca-key.pem --in-cert-file=fixtures/certs/ca.pem
id: 'existing', CN=Autogenerated CA, expires: 2021-09-08 18:01:00 +0000 UTC successfully created

You can now sign certificates with required SPIFFE IDs:

spiffectl ca sign --renew --ca=test --id=urn:spiffe:localhost:sasha --out-key-file=/tmp/out.pem --out-cert-file=/tmp/out.cert --common-name="*.localhost" --ttl=10s --exec="/bin/echo updated certificate hehe" --debug

You will see certificates and keys generated and certificate will be periodically renewed. Notice exec flag that will launch hook every time cert gets updated.

Trusted Root Bundles and Certificate authorities

You can combine trusted root bundles out of externeal certificates and certificates from certificate authorities:

spiffectl bundle create --replace --id=web --dir=/etc/ssl/certs --ca=test --ca=existing

License

suniljames/spiffe

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