https://github.com/withlin/kube-ovn-temp

Last synced: 4 months ago
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Host: GitHub
URL: https://github.com/withlin/kube-ovn-temp
Owner: withlin
Created: 2021-05-10T02:37:58.000Z (about 5 years ago)
Default Branch: main
Last Pushed: 2021-05-10T02:43:00.000Z (about 5 years ago)
Last Synced: 2025-10-06T00:27:13.542Z (8 months ago)
Size: 2.93 KB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

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README

# kube-ovn-temp

### set --graceful-restart=true
```text
[root@node1 ~]# cat speaker.yaml

kind: DaemonSet
apiVersion: apps/v1
metadata:
name: kube-ovn-speaker
namespace: kube-system
spec:
selector:
matchLabels:
app: kube-ovn-speaker
template:
metadata:
labels:
app: kube-ovn-speaker
component: network
type: infra
spec:
tolerations:
- operator: Exists
effect: NoSchedule
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchLabels:
app: kube-ovn-speaker
topologyKey: kubernetes.io/hostname
priorityClassName: system-cluster-critical
serviceAccountName: ovn
hostNetwork: true
containers:
- name: ovn-central
image: "yametech/kube-ovn:v1.7.1"
imagePullPolicy: IfNotPresent
command:
- /kube-ovn/kube-ovn-speaker
args:
- --graceful-restart=true
- --neighbor-address=172.16.128.162
- --neighbor-as=65002
- --cluster-as=65000
env:
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
resources:
requests:
cpu: 500m
memory: 300Mi
nodeSelector:
kubernetes.io/os: "linux"
ovn.kubernetes.io/bgp: "true"
```

### gobgp setting

```text
[root@node3 ~]# cat gobgpd.yml

global:
config:
as: 65002
router-id: 172.16.128.162
neighbors:
- config:
neighbor-address: 172.16.128.160
peer-as: 65000
graceful-restart:
config:
enabled: true
afi-safis:
- config:
afi-safi-name: ipv4-unicast
mp-graceful-restart:
config:
enabled: true
- config:
neighbor-address: 172.16.128.161
peer-as: 65000
graceful-restart:
config:
enabled: true
afi-safis:
- config:
afi-safi-name: ipv4-unicast
mp-graceful-restart:
config:
enabled: true

```

### start gobgpd

```text

[root@node3 ~]# gobgpd -t yaml -f gobgpd.yml
{"level":"info","msg":"gobgpd started","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.160 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.160","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.161 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.161","time":"2021-05-08T17:20:56+08:00"}

```

### start ovn-speaker
```text
[root@node1 ~]# k apply -f speaker.yaml
daemonset.apps/kube-ovn-speaker created
[root@node1 ~]# kg po
NAME READY STATUS RESTARTS AGE
coredns-b5648d655-v9jhf 1/1 Running 0 2d2h
coredns-b5648d655-z8nxl 1/1 Running 0 2d2h
etcd-node1 1/1 Running 0 2d2h
kube-apiserver-node1 1/1 Running 0 2d2h
kube-controller-manager-node1 1/1 Running 0 2d2h
kube-ovn-cni-5ztc5 1/1 Running 0 2d2h
kube-ovn-cni-dtzjr 1/1 Running 0 2d2h
kube-ovn-controller-66d5f44b9b-7flqr 1/1 Running 0 2d2h
kube-ovn-pinger-rfnmm 1/1 Running 0 2d2h
kube-ovn-pinger-whjdt 1/1 Running 0 2d2h
kube-ovn-speaker-mnzp2 1/1 Running 0 3s
kube-ovn-speaker-zw98v 1/1 Running 0 3s
kube-proxy-4c5xm 1/1 Running 0 2d2h
kube-proxy-lh9mf 1/1 Running 0 2d2h
kube-scheduler-node1 1/1 Running 0 2d2h
nginx-deployment-766f95f789-8spg5 1/1 Running 0 2d2h
nginx-deployment-766f95f789-98vl5 1/1 Running 0 2d2h
ovn-central-5bd4b968bd-k75dw 2/2 Running 0 2d2h
ovs-ovn-dnt4m 1/1 Running 0 2d2h
ovs-ovn-p4d8f 1/1 Running 0 2d2h
```

### gobgpd message

```text
[root@node3 ~]# gobgpd -t yaml -f gobgpd.yml
{"level":"info","msg":"gobgpd started","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.160 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.160","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.161 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.161","time":"2021-05-08T17:20:56+08:00"}

```

### gobgp status

```text
[root@node3 ~]# gobgp n
Peer AS Up/Down State |#Received Accepted
172.16.128.160 65000 00:01:53 Establ | 2 2
172.16.128.161 65000 00:01:54 Establ | 2 2

[root@node3 ~]# gobgp n 172.16.128.160
BGP neighbor is 172.16.128.160, remote AS 65000
BGP version 4, remote router ID 172.16.128.160
BGP state = ESTABLISHED, up for 00:02:54
BGP OutQ = 0, Flops = 0
Hold time is 90, keepalive interval is 30 seconds
Configured hold time is 90, keepalive interval is 30 seconds

Neighbor capabilities:
multiprotocol:
ipv4-unicast: advertised and received
route-refresh: advertised and received
extended-nexthop: advertised
Local: nlri: ipv4-unicast, nexthop: ipv6
graceful-restart: advertised and received
Local: restart time 90 sec
ipv4-unicast
Remote: restart time 90 sec, restart flag set
ipv4-unicast, forward flag set
4-octet-as: advertised and received
Message statistics:
Sent Rcvd
Opens: 1 1
Notifications: 0 0
Updates: 1 2
Keepalives: 6 6
Route Refresh: 0 0
Discarded: 0 0
Total: 8 9
Route statistics:
Advertised: 1
Received: 2
Accepted: 2

[root@node3 ~]# gobgp global rib
Network Next Hop AS_PATH Age Attrs
*> 10.16.0.0/16 172.16.128.161 65000 00:04:01 [{Origin: i}]
* 10.16.0.0/16 172.16.128.160 65000 00:04:00 [{Origin: i}]
*> 10.16.0.21/32 172.16.128.161 65000 00:04:01 [{Origin: i}]
* 10.16.0.21/32 172.16.128.160 65000 00:04:00 [{Origin: i}]
```

### excute delete ovn-spkear daemonset

```text
[root@node1 ~]# k delete -f speaker.yaml
daemonset.apps "kube-ovn-speaker" deleted

//ovn-speaker already delete
[root@node1 ~]# kg po
NAME READY STATUS RESTARTS AGE
coredns-b5648d655-v9jhf 1/1 Running 0 2d2h
coredns-b5648d655-z8nxl 1/1 Running 0 2d2h
etcd-node1 1/1 Running 0 2d2h
kube-apiserver-node1 1/1 Running 0 2d2h
kube-controller-manager-node1 1/1 Running 0 2d2h
kube-ovn-cni-5ztc5 1/1 Running 0 2d2h
kube-ovn-cni-dtzjr 1/1 Running 0 2d2h
kube-ovn-controller-66d5f44b9b-7flqr 1/1 Running 0 2d2h
kube-ovn-pinger-rfnmm 1/1 Running 0 2d2h
kube-ovn-pinger-whjdt 1/1 Running 0 2d2h
kube-proxy-4c5xm 1/1 Running 0 2d2h
kube-proxy-lh9mf 1/1 Running 0 2d2h
kube-scheduler-node1 1/1 Running 0 2d2h
nginx-deployment-766f95f789-8spg5 1/1 Running 0 2d2h
nginx-deployment-766f95f789-98vl5 1/1 Running 0 2d2h
ovn-central-5bd4b968bd-k75dw 2/2 Running 0 2d2h
ovs-ovn-dnt4m 1/1 Running 0 2d2h
ovs-ovn-p4d8f 1/1 Running 0 2d2h

//graceful-restart
[root@node3 ~]# gobgpd -t yaml -f gobgpd.yml
{"level":"info","msg":"gobgpd started","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.160 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.160","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.161 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.161","time":"2021-05-08T17:20:56+08:00"}

{"Key":"172.16.128.161","State":"BGP_FSM_OPENCONFIRM","Topic":"Peer","level":"info","msg":"Peer Up","time":"2021-05-08T17:22:14+08:00"}
{"Key":"172.16.128.160","State":"BGP_FSM_OPENCONFIRM","Topic":"Peer","level":"info","msg":"Peer Up","time":"2021-05-08T17:22:15+08:00"}
{"Key":"172.16.128.161","State":"BGP_FSM_ESTABLISHED","Topic":"Peer","level":"info","msg":"peer graceful restart","time":"2021-05-08T17:27:05+08:00"}
{"Key":"172.16.128.161","Reason":"graceful-restart","State":"BGP_FSM_ESTABLISHED","Topic":"Peer","level":"info","msg":"Peer Down","time":"2021-05-08T17:27:05+08:00"}
{"Key":"172.16.128.160","State":"BGP_FSM_ESTABLISHED","Topic":"Peer","level":"info","msg":"peer graceful restart","time":"2021-05-08T17:27:06+08:00"}
{"Key":"172.16.128.160","Reason":"graceful-restart","State":"BGP_FSM_ESTABLISHED","Topic":"Peer","level":"info","msg":"Peer Down","time":"2021-05-08T17:27:06+08:00"}
```

### show rib

```text
[root@node3 ~]# gobgp global rib
Network Next Hop AS_PATH Age Attrs
*> 10.16.0.0/16 172.16.128.161 65000 00:04:01 [{Origin: i}]
* 10.16.0.0/16 172.16.128.160 65000 00:04:00 [{Origin: i}]
*> 10.16.0.21/32 172.16.128.161 65000 00:04:01 [{Origin: i}]
* 10.16.0.21/32 172.16.128.160 65000 00:04:00 [{Origin: i}]
```

### after 90s
``` text
//graceful restart timer expired
[root@node3 ~]# gobgpd -t yaml -f gobgpd.yml
{"level":"info","msg":"gobgpd started","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.160 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.160","time":"2021-05-08T17:20:56+08:00"}
{"level":"info","msg":"Peer 172.16.128.161 is added","time":"2021-05-08T17:20:56+08:00"}
{"Topic":"Peer","level":"info","msg":"Add a peer configuration for:172.16.128.161","time":"2021-05-08T17:20:56+08:00"}

// gobgp global rib
[root@node3 ~]# gobgp global rib
Network not in table
```

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https://github.com/withlin/kube-ovn-temp

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