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This controller queries addresses of all the interfaces in the system
and presents them as resources. The idea is that can be a source for
many decisions - e.g. whether network is ready (physical interface has
scope global address assigned).
This is also good for debugging purposes.
Examples:
```
$ talosctl -n 172.20.0.2 get addresses
NODE NAMESPACE TYPE ID VERSION
172.20.0.2 network AddressStatus cni0/10.244.0.1/24 1
172.20.0.2 network AddressStatus cni0/fe80::9c87:cdff:fe8e:5fdc/64 2
172.20.0.2 network AddressStatus eth0/172.20.0.2/24 1
172.20.0.2 network AddressStatus eth0/fe80::ac1b:9cff:fe19:6b47/64 2
172.20.0.2 network AddressStatus flannel.1/10.244.0.0/32 1
172.20.0.2 network AddressStatus flannel.1/fe80::440b:67ff:fe99:c18f/64 2
172.20.0.2 network AddressStatus lo/127.0.0.1/8 1
172.20.0.2 network AddressStatus lo/::1/128 1
172.20.0.2 network AddressStatus veth178e9b31/fe80::6040:1dff:fe5b:ae1a/64 2
172.20.0.2 network AddressStatus vethb0b96a94/fe80::2473:86ff:fece:1954/64 2
```
```
$ talosctl -n 172.20.0.2 get addresses -o yaml eth0/172.20.0.2/24
node: 172.20.0.2
metadata:
namespace: network
type: AddressStatuses.net.talos.dev
id: eth0/172.20.0.2/24
version: 1
owner: network.AddressStatusController
phase: running
spec:
address: 172.20.0.2/24
local: 172.20.0.2
broadcast: 172.20.0.255
linkIndex: 4
linkName: eth0
family: inet4
scope: global
flags: permanent
```
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
22 lines
664 B
Go
22 lines
664 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Package network provides resources which describe networking subsystem state.
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package network
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import (
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"fmt"
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"github.com/cosi-project/runtime/pkg/resource"
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"inet.af/netaddr"
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)
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// NamespaceName contains resources related to networking.
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const NamespaceName resource.Namespace = "network"
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// AddressID builds ID (primary key) for the address.
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func AddressID(linkName string, addr netaddr.IPPrefix) string {
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return fmt.Sprintf("%s/%s", linkName, addr)
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}
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