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no route and veth pair generated #1328

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13567436138 opened this issue Sep 3, 2024 · 1 comment
Open

no route and veth pair generated #1328

13567436138 opened this issue Sep 3, 2024 · 1 comment

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@13567436138
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cat <<EOF | kubectl apply -f -
apiVersion: "k8s.cni.cncf.io/v1"
kind: NetworkAttachmentDefinition
metadata:
  name: macvlan-conf
spec:
  config: '{
      "cniVersion": "0.3.1",
      "type": "macvlan",
      "master": "ens33",
      "mode": "bridge",
      "ipam": {
        "type": "host-local",
        "subnet": "192.168.1.0/24",
        "rangeStart": "192.168.1.200",
        "rangeEnd": "192.168.1.216",
        "routes": [
          { "dst": "0.0.0.0/0" }
        ],
        "gateway": "192.168.1.1"
      }
    }'
EOF

cat <<EOF | kubectl create -f -
apiVersion: v1
kind: Pod
metadata:
  name: busybox
  annotations:
    k8s.v1.cni.cncf.io/networks: macvlan-conf,macvlan-conf
spec:
  containers:
    - name: buxybox-container
      image: registry.cn-hangzhou.aliyuncs.com/hxpdocker/busybox:1.33.1
      command:
      - sh 
      - -c
      - "sleep 1000000"
EOF


root@k8s-master01:~# kubectl get pod -owide
NAME                        READY   STATUS    RESTARTS       AGE   IP              NODE           NOMINATED NODE   READINESS GATES
busybox                     1/1     Running   0              35m   10.244.69.193   k8s-worker02   <none>           <none>
nginxweb-7db59bb6df-bc8sx   1/1     Running   2 (118m ago)   27h   10.244.79.107   k8s-worker01   <none>           <none>
nginxweb-7db59bb6df-s2kh8   1/1     Running   2 (120m ago)   27h   10.244.69.248   k8s-worker02   <none>           <none>
rating                      2/2     Running   4 (120m ago)   24h   10.244.69.246   k8s-worker02   <none>           <none>
samplepod                   1/1     Running   0              26m   10.244.79.112   k8s-worker01   <none>           <none>
shared-volume-pod           2/2     Running   2 (118m ago)   24h   10.244.79.108   k8s-worker01   <none>           <none>

root@k8s-master01:~# kubectl exec -it busybox -- sh
/ # ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0@if17: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1450 qdisc noqueue qlen 1000
    link/ether fa:a6:d1:52:22:e4 brd ff:ff:ff:ff:ff:ff
    inet 10.244.69.193/32 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 2001::9c67:3402:8888:5f7c/128 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::f8a6:d1ff:fe52:22e4/64 scope link 
       valid_lft forever preferred_lft forever
3: net1@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue 
    link/ether b6:f7:4f:68:e4:5a brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.202/24 brd 192.168.1.255 scope global net1
       valid_lft forever preferred_lft forever
    inet6 fe80::b4f7:4fff:fe68:e45a/64 scope link 
       valid_lft forever preferred_lft forever
4: net2@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue 
    link/ether 9a:51:73:7a:be:f0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.203/24 brd 192.168.1.255 scope global net2
       valid_lft forever preferred_lft forever
    inet6 fe80::9851:73ff:fe7a:bef0/64 scope link 
       valid_lft forever preferred_lft forever

root@k8s-worker02:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:31:80:a1 brd ff:ff:ff:ff:ff:ff
    altname enp2s1
    inet 192.168.229.182/24 brd 192.168.229.255 scope global ens33
       valid_lft forever preferred_lft forever
    inet 192.168.229.138/24 metric 100 brd 192.168.229.255 scope global secondary dynamic ens33
       valid_lft 1182sec preferred_lft 1182sec
    inet6 2000::173/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe31:80a1/64 scope link 
       valid_lft forever preferred_lft forever
3: kube-ipvs0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default 
    link/ether 8a:4f:de:7d:56:dd brd ff:ff:ff:ff:ff:ff
    inet 10.109.114.171/32 scope global kube-ipvs0
       valid_lft forever preferred_lft forever
    inet 10.96.0.10/32 scope global kube-ipvs0
       valid_lft forever preferred_lft forever
    inet 10.111.162.36/32 scope global kube-ipvs0
       valid_lft forever preferred_lft forever
    inet 10.97.204.130/32 scope global kube-ipvs0
       valid_lft forever preferred_lft forever
    inet 10.96.0.1/32 scope global kube-ipvs0
       valid_lft forever preferred_lft forever
    inet6 2002::bcf4/128 scope global 
       valid_lft forever preferred_lft forever
4: vxlan.calico: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 66:ff:2b:bc:03:a3 brd ff:ff:ff:ff:ff:ff
    inet 10.244.69.192/32 scope global vxlan.calico
       valid_lft forever preferred_lft forever
    inet6 fe80::64ff:2bff:febc:3a3/64 scope link 
       valid_lft forever preferred_lft forever
7: cali29f667b69c9@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
    link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netns cni-9ad8cca6-1e7c-c8a1-9fa8-3309539013e9
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link 
       valid_lft forever preferred_lft forever
8: cali449dd2400be@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
    link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netns cni-30ef8dd9-c53c-15b8-40c7-01a54f26ab33
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link 
       valid_lft forever preferred_lft forever
9: cali73c15e0c598@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
    link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netns cni-53b534a9-52ec-9d48-051a-a84d93c1ce81
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link 
       valid_lft forever preferred_lft forever
10: calia1b75995b10@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
    link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netns cni-a9c46591-5ac5-81e8-6171-3ca2246cb129
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link 
       valid_lft forever preferred_lft forever
17: cali12d4a061371@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
    link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netns cni-7852a450-3e4b-674d-2cb0-c829aca966c8
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link 
       valid_lft forever preferred_lft forever

root@k8s-master01:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.229.2   0.0.0.0         UG    0      0        0 ens33
0.0.0.0         192.168.229.2   0.0.0.0         UG    100    0        0 ens33
10.244.32.128   0.0.0.0         255.255.255.192 U     0      0        0 *
10.244.32.132   0.0.0.0         255.255.255.255 UH    0      0        0 cali1f4bed10e0e
10.244.32.133   0.0.0.0         255.255.255.255 UH    0      0        0 cali268cbfd25e7
10.244.32.134   0.0.0.0         255.255.255.255 UH    0      0        0 cali669adfb6981
10.244.69.192   192.168.229.182 255.255.255.192 UG    0      0        0 ens33
10.244.79.64    192.168.229.181 255.255.255.192 UG    0      0        0 ens33
192.168.229.0   0.0.0.0         255.255.255.0   U     0      0        0 ens33
192.168.229.2   0.0.0.0         255.255.255.255 UH    100    0        0 ens33
@dougbtv
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dougbtv commented Sep 12, 2024

I think we need a prose description of what you're looking for or expect

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