DHCP Role on Gravity

Scopes

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The scope for any particular request is found in the following way:

Checking if the DHCP Peer address is within any of the scopes CIDR, or
Checking if the Address of the interface the request was received on is within any of the scopes CIDR, or
Checking if the Scope has the default flag set to true.

Afterwards, all matching scopes are sorted by the length of the Scope’s CIDR Prefix, and the longest prefix match is chosen.

Options

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Hooks

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Hook Methods

`onDHCPRequestBefore(request)`

Called before the DHCP response is generated.

request: See https://pkg.go.dev/beryju.io/gravity/pkg/roles/dhcp#Request4

`onDHCPRequestAfter(request, response)`

Called after the DHCP response is generated.

request: See https://pkg.go.dev/beryju.io/gravity/pkg/roles/dhcp#Request4
response: See https://pkg.go.dev/github.com/insomniacslk/dhcp/dhcpv4#DHCPv4

Environment

`gravity` Object

`log(msg: any)`

Logs a message to the stdout of the Gravity node this hook is run on.

`node: string`

The identifier of the node this hook is run on.

`version: string`

The version of Gravity on the node this hook is run on.

Role configuration

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port: The port the DHCP server listens on (defaults to 67).
leaseNegotiateTimeout: The timeout a lease is reserved after a DHCP Discover request (defaults to 30 seconds).

DHCP Role on Gravity

Scopes

Options

Tag

`tagName`:

`tag`:

Hooks

Hook Methods

`onDHCPRequestBefore(request)`

`onDHCPRequestAfter(request, response)`

Environment

`gravity` Object

`log(msg: any)`

`node: string`

`version: string`

Role configuration

DHCP Role on Gravity

Scopes

Options

Tag

tagName:

tag:

Hooks

Hook Methods

onDHCPRequestBefore(request)

onDHCPRequestAfter(request, response)

Environment

gravity Object

log(msg: any)

node: string

version: string

Role configuration

`tagName`:

`tag`:

`onDHCPRequestBefore(request)`

`onDHCPRequestAfter(request, response)`

`gravity` Object

`log(msg: any)`

`node: string`

`version: string`