K8S 不同节点无法访问Pod
#只能运行pod的node访问此pod id报错的信息:查看日志发现有报错查看NW继续查看,反正不理解什么意思把NW禁用吧重启NW再看okcurl 就通了为什么呢?
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#只能运行pod的node访问此pod id
报错的信息:
#curl 10.96.16.213
curl: (7) Failed connect to 10.96.16.213:80; Connection refused
查看日志发现有报错
Jul 14 11:11:50 k8s-master NetworkManager[707]: <info> [1657768310.9063] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:00 k8s-master NetworkManager[707]: <info> [1657768320.9023] device (tunl0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:00 k8s-master NetworkManager[707]: <info> [1657768320.9055] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:10 k8s-master NetworkManager[707]: <info> [1657768330.9055] device (tunl0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:10 k8s-master NetworkManager[707]: <info> [1657768330.9096] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:20 k8s-master NetworkManager[707]: <info> [1657768340.9071] device (tunl0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:20 k8s-master NetworkManager[707]: <info> [1657768340.9101] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:30 k8s-master NetworkManager[707]: <info> [1657768350.9077] device (tunl0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:30 k8s-master NetworkManager[707]: <info> [1657768350.9124] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:40 k8s-master NetworkManager[707]: <info> [1657768360.9099] device (tunl0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'managed')
Jul 14 11:12:40 k8s-master NetworkManager[707]: <info> [1657768360.9134] device (tunl0): state change: unavailable -> unmanaged (reason 'connection-assumed', sys-iface-state: 'managed')
查看NW
systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2022-07-13 14:54:07 CST; 20h ago
Docs: man:NetworkManager(8)
Main PID: 707 (NetworkManager)
Tasks: 3
Memory: 5.0M
CGroup: /system.slice/NetworkManager.service
└─707 /usr/sbin/NetworkManager --no-daemon
Jul 14 11:08:10 k8s-master NetworkManager[707]: <info> [1657768090.8401] device (tunl0): state change: un...ed')
Jul 14 11:08:10 k8s-master NetworkManager[707]: <info> [1657768090.8437] device (tunl0): state change: un...ed')
Jul 14 11:08:20 k8s-master NetworkManager[707]: <info> [1657768100.8419] device (tunl0): state change: un...ed')
Jul 14 11:08:20 k8s-master NetworkManager[707]: <info> [1657768100.8447] device (tunl0): state change: un...ed')
Jul 14 11:08:30 k8s-master NetworkManager[707]: <info> [1657768110.8445] device (tunl0): state change: un...ed')
Jul 14 11:08:30 k8s-master NetworkManager[707]: <info> [1657768110.8478] device (tunl0): state change: un...ed')
Jul 14 11:08:40 k8s-master NetworkManager[707]: <info> [1657768120.8474] device (tunl0): state change: un...ed')
Jul 14 11:08:40 k8s-master NetworkManager[707]: <info> [1657768120.8496] device (tunl0): state change: un...ed')
Jul 14 11:08:50 k8s-master NetworkManager[707]: <info> [1657768130.8512] device (tunl0): state change: un...ed')
Jul 14 11:08:50 k8s-master NetworkManager[707]: <info> [1657768130.8548] device (tunl0): state change: un...ed')
继续查看,反正不理解什么意思
#nmcli dev status
DEVICE TYPE STATE CONNECTION
ens32 ethernet connected ens32
docker0 bridge unmanaged --
cali2c41246af73 ethernet unmanaged --
cali63da9f00f44 ethernet unmanaged --
cali64fde1b9429 ethernet unmanaged --
cali8fd0d8937fc ethernet unmanaged --
caliac11e9a8d49 ethernet unmanaged --
vethf100e4e ethernet unmanaged --
tunl0 iptunnel unmanaged --
lo loopback unmanaged --
把NW禁用吧
/etc/sysconfig/network-scripts/ifcfg-ens32
加入
NM_CONTROLLED=no
重启NW再看
#nmcli dev status
DEVICE TYPE STATE CONNECTION
tunl0 iptunnel disconnected --
docker0 bridge unmanaged --
cali2c41246af73 ethernet unmanaged --
cali63da9f00f44 ethernet unmanaged --
cali64fde1b9429 ethernet unmanaged --
cali8fd0d8937fc ethernet unmanaged --
caliac11e9a8d49 ethernet unmanaged --
ens32 ethernet unmanaged --
vethf100e4e ethernet unmanaged --
lo loopback unmanaged --
ok curl 就通了
为什么呢?
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