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config.md

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Flags and variables

Configuration arguments can be provided as flags or as environment variables.

flag variable default example
-address MATCHBOX_ADDRESS 127.0.0.1:8080 0.0.0.0:8080
-log-level MATCHBOX_LOG_LEVEL info critical, error, warning, notice, info, debug
-data-path MATCHBOX_DATA_PATH /var/lib/matchbox ./examples
-assets-path MATCHBOX_ASSETS_PATH /var/lib/matchbox/assets ./examples/assets
-rpc-address MATCHBOX_RPC_ADDRESS (gRPC API disabled) 0.0.0.0:8081
-cert-file MATCHBOX_CERT_FILE /etc/matchbox/server.crt ./examples/etc/matchbox/server.crt
-key-file MATCHBOX_KEY_FILE /etc/matchbox/server.key ./examples/etc/matchbox/server.key
-ca-file MATCHBOX_CA_FILE /etc/matchbox/ca.crt ./examples/etc/matchbox/ca.crt
-key-ring-path MATCHBOX_KEY_RING_PATH (no key ring) ~/.secrets/vault/matchbox/secring.gpg
(no flag) MATCHBOX_PASSPHRASE (no passphrase) "secret passphrase"

Files and directories

Data Default Location
data /var/lib/matchbox/{profiles,groups,ignition,cloud,generic}
assets /var/lib/matchbox/assets
gRPC API TLS Credentials Default Location
CA certificate /etc/matchbox/ca.crt
Server certificate /etc/matchbox/server.crt
Server private key /etc/matchbox/server.key
Client certificate /etc/matchbox/client.crt
Client private key /etc/matchbox/client.key

Version

$ ./bin/matchbox -version
$ sudo docker run quay.io/poseidon/matchbox:latest -version

Usage

Run the binary.

$ ./bin/matchbox -address=0.0.0.0:8080 -log-level=debug -data-path=examples -assets-path=examples/assets

Run the latest Docker image.

$ sudo docker run -p 8080:8080 --rm -v $PWD/examples/assets:/var/lib/matchbox/assets:Z quay.io/poseidon/matchbox:latest -address=0.0.0.0:8080 -log-level=debug

With examples

Mount examples to pre-load the example machine groups and profiles. Run the container.

$ sudo docker run -p 8080:8080 --rm -v $PWD/examples:/var/lib/matchbox:Z -v $PWD/examples/groups/etcd:/var/lib/matchbox/groups:Z quay.io/poseidon/matchbox:latest -address=0.0.0.0:8080 -log-level=debug

With gRPC API

The gRPC API allows clients with a TLS client certificate and key to make RPC requests to programmatically create or update matchbox resources. The API can be enabled with the -rpc-address flag and by providing a TLS server certificate and key with -cert-file and -key-file and a CA certificate for authenticating clients with -ca-file.

Run the binary with TLS credentials from examples/etc/matchbox.

$ ./bin/matchbox -address=0.0.0.0:8080 -rpc-address=0.0.0.0:8081 -log-level=debug -data-path=examples -assets-path=examples/assets -cert-file examples/etc/matchbox/server.crt -key-file examples/etc/matchbox/server.key -ca-file examples/etc/matchbox/ca.crt

Clients, such as bootcmd, verify the server's certificate with a CA bundle passed via -ca-file and present a client certificate and key via -cert-file and -key-file to cal the gRPC API.

$ ./bin/bootcmd profile list --endpoints 127.0.0.1:8081 --ca-file examples/etc/matchbox/ca.crt --cert-file examples/etc/matchbox/client.crt --key-file examples/etc/matchbox/client.key

With docker

Run the Docker image with TLS credentials from examples/etc/matchbox.

$ sudo docker run -p 8080:8080 -p 8081:8081 --rm -v $PWD/examples:/var/lib/matchbox:Z -v $PWD/examples/etc/matchbox:/etc/matchbox:Z,ro -v $PWD/examples/groups/etcd:/var/lib/matchbox/groups:Z quay.io/poseidon/matchbox:latest -address=0.0.0.0:8080 -rpc-address=0.0.0.0:8081 -log-level=debug

A bootcmd client can call the gRPC API running at the IP used in the Docker example.

$ ./bin/bootcmd profile list --endpoints 127.0.0.1:8081 --ca-file examples/etc/matchbox/ca.crt --cert-file examples/etc/matchbox/client.crt --key-file examples/etc/matchbox/client.key

With openPGP Signing

Run with the binary with a test key.

$ export MATCHBOX_PASSPHRASE=test
$ ./bin/matchbox -address=0.0.0.0:8080 -key-ring-path matchbox/sign/fixtures/secring.gpg -data-path=examples -assets-path=examples/assets

Run the container image with a test key.

$ sudo docker run -p 8080:8080 --rm --env MATCHBOX_PASSPHRASE=test -v $PWD/examples:/var/lib/matchbox:Z -v $PWD/examples/groups/etcd:/var/lib/matchbox/groups:Z -v $PWD/matchbox/sign/fixtures:/secrets:Z quay.io/poseidon/matchbox:latest -address=0.0.0.0:8080 -log-level=debug -key-ring-path secrets/secring.gpg