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api-http.md

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HTTP API

iPXE script

Serves a static iPXE boot script which gathers client machine attributes and chainloads to the iPXE endpoint. Use DHCP/TFTP to point iPXE clients to this endpoint as the next-server.

GET http://matchbox.foo/boot.ipxe
GET http://matchbox.foo/boot.ipxe.0   // for dnsmasq

Response

#!ipxe
chain ipxe?uuid=${uuid}&mac=${mac:hexhyp}&domain=${domain}&hostname=${hostname}&serial=${serial}

Client's booted with the /ipxe.boot endpoint will introspect and make a request to /ipxe with the uuid, mac, hostname, and serial value as query arguments.

iPXE

Finds the profile for the machine and renders the network boot config (kernel, options, initrd) as an iPXE script.

GET http://matchbox.foo/ipxe?label=value

Query parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

#!ipxe
kernel /assets/coreos/1967.3.0/coreos_production_pxe.vmlinuz coreos.config.url=http://matchbox.foo:8080/ignition?uuid=${uuid}&mac=${mac:hexhyp} coreos.first_boot=1 coreos.autologin
initrd  /assets/coreos/1967.3.0/coreos_production_pxe_image.cpio.gz
boot

GRUB2

Finds the profile for the machine and renders the network boot config as a GRUB config. Use DHCP/TFTP to point GRUB clients to this endpoint as the next-server.

GET http://matchbox.foo/grub?label=value

Query parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

default=0
timeout=1
menuentry "CoreOS" {
echo "Loading kernel"
linuxefi "(http;matchbox.foo:8080)/assets/coreos/1967.3.0/coreos_production_pxe.vmlinuz" "coreos.autologin" "coreos.config.url=http://matchbox.foo:8080/ignition" "coreos.first_boot"
echo "Loading initrd"
initrdefi "(http;matchbox.foo:8080)/assets/coreos/1967.3.0/coreos_production_pxe_image.cpio.gz"
}

Cloud config

DEPRECATED: Finds the profile matching the machine and renders the corresponding Cloud-Config with group metadata, selectors, and query params.

GET http://matchbox.foo/cloud?label=value

Query Parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

#cloud-config
coreos:
  units:
    - name: etcd2.service
      command: start

Ignition Config

Finds the profile matching the machine and renders the corresponding Ignition for machine consumption.

GET http://matchbox.foo/ignition?label=value

Query parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

{
  "ignition": { "version": "3.3.0" },
  "systemd": {
    "units": [{
      "name": "example.service",
      "enabled": true,
      "contents": "[Service]\nType=oneshot\nExecStart=/usr/bin/echo Hello World\n\n[Install]\nWantedBy=multi-user.target"
    }]
  }
}

Generic config

Finds the profile matching the machine and renders the corresponding generic config with group metadata, selectors, and query params.

GET http://matchbox.foo/generic?label=value

Query parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

{
  “uuid”: “”,
  “mac”: “52:54:00:a1:9c:ae”,
  “osInstalled”: true,
  “rawQuery”: “mac=52:54:00:a1:9c:ae&os=installed”
}

Metadata

Finds the matching machine group and renders the group metadata, selectors, and query params in an "env file" style response.

GET http://matchbox.foo/metadata?mac=52-54-00-a1-9c-ae&foo=bar&count=3&gate=true

Query Parameters

Name Type Description
uuid string Hardware UUID
mac string MAC address
* string Arbitrary label

Response

META=data
ETCD_NAME=node1
SOME_NESTED_DATA=some-value
MAC=52:54:00:a1:9c:ae
REQUEST_QUERY_MAC=52:54:00:a1:9c:ae
REQUEST_QUERY_FOO=bar
REQUEST_QUERY_COUNT=3
REQUEST_QUERY_GATE=true
REQUEST_RAW_QUERY=mac=52-54-00-a1-9c-ae&foo=bar&count=3&gate=true

OpenPGP signatures

OpenPGP signature endpoints serve detached binary and ASCII armored signatures of rendered configs, if enabled. See OpenPGP Signing.

Endpoint Signature Endpoint ASCII Signature Endpoint
iPXE http://matchbox.foo/ipxe.sig http://matchbox.foo/ipxe.asc
GRUB2 http://bootcf.foo/grub.sig http://matchbox.foo/grub.asc
Ignition http://matchbox.foo/ignition.sig http://matchbox.foo/ignition.asc
Cloud-Config http://matchbox.foo/cloud.sig http://matchbox.foo/cloud.asc
Generic http://matchbox.foo/generic.sig http://matchbox.foo/generic.asc
Metadata http://matchbox.foo/metadata.sig http://matchbox.foo/metadata.asc

Get a config and its detached ASCII armored signature.

GET http://matchbox.foo/ipxe?label=value
GET http://matchbox.foo/ipxe.asc?label=value

Response

-----BEGIN PGP SIGNATURE-----

wsBcBAEBCAAQBQJWoDHyCRCzUpbPLRRcKAAAqQ8IAGD+eC9kzc/U7h9tgwvvWwm9
suTmVSGlzC5RwTRXg6CKuW31m3WAin2b5zWRPa7MxxanYMhhBbOfrqg/4xi1tfdE
w7ipmmgftl3re0np75Jt9K1rwGXUHTCs3yooz/zvqSvNSobG13FL5tp+Jl7a22wE
+W7x9BukTytVgNLt3IDIxsJ/rAEYUm4zySftooDbFVKj/SK5w8xg4zLmE6Jxz6wp
eaMlL1TEXy3NaFR0+hgbqM/tgeV2j6pmho8yaPF63iPnksH+gdmPiwasCfpSaJyr
NO+p24BL3PHZyKw0nsrm275C913OxEVgnNZX7TQltaweW23Cd1YBNjcfb3zv+Zo=
=mqZK
-----END PGP SIGNATURE-----

Assets

If you need to serve static assets (e.g. kernel, initrd), matchbox can serve arbitrary assets from the -assets-path.

matchbox.foo/assets/
└── coreos
    └── 1967.3.0
        ├── coreos_production_pxe.vmlinuz
        └── coreos_production_pxe_image.cpio.gz
    └── 1153.0.0
        ├── coreos_production_pxe.vmlinuz
        └── coreos_production_pxe_image.cpio.gz