Comments (12)
mcastelino
commented on July 24, 2024
/cc @krsna1729
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mcastelino
commented on July 24, 2024
This issue still exists with Installed version: 29880
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krsna1729
commented on July 24, 2024
clear@clr-01 ~/clr-k8s-examples $ kubectl create deployment nginx --image=nginx
deployment.apps/nginx created
clear@clr-01 ~/clr-k8s-examples $ kubectl scale --replicas=3 deployment nginx
deployment.extensions/nginx scaled
clear@clr-01 ~/clr-k8s-examples $ for i in $(kubectl get pod -l app=nginx -o jsonpath='{.items[*].status.podIP}'); do curl -s -o /dev/null -w "%{http_code}\n" $i; done
200
200
200
clear@clr-01 ~/clr-k8s-examples $ kubectl logs pod/nginx-65f88748fd-twq9k
10.244.0.0 - - [25/Jun/2019:20:11:10 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.65.1" "-"
clear@clr-01 ~/clr-k8s-examples $ swupd info
Installed version: 29880
clear@clr-01 ~/clr-k8s-examples $ /lib/systemd/systemd --version
systemd 241 (241)
clear@clr-01 ~/clr-k8s-examples $ kubectl run -i --tty busybox --image=busybox -- sh
kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
If you don't see a command prompt, try pressing enter.
/ #
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krsna1729
commented on July 24, 2024
cluster was installed using ./create_stack.sh minimal
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mcastelino
commented on July 24, 2024
This is due to the fact that the node IP is picked as as the private network even though the default route is setup to be on the public interface.
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
clr-01 Ready master 134m v1.14.3 192.52.100.11 <none> Clear Linux OS 4.19.48-48.lts2018 cri-o://1.14.1
clr-02 Ready <none> 133m v1.14.3 192.52.100.12 <none> Clear Linux OS 4.19.48-48.lts2018 cri-o://1.14.1
clr-03 Ready <none> 133m v1.14.3 192.52.100.13 <none> Clear Linux OS 4.19.48-48.lts2018 cri-o://1.14.1
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
valid_lft forever preferred_lft forever
2: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq state UP group default qlen 1000
link/ether 52:54:00:51:87:7c brd ff:ff:ff:ff:ff:ff
inet 192.168.121.235/24 brd 192.168.121.255 scope global dynamic enp0s8
valid_lft 2587sec preferred_lft 2587sec
inet6 fe80::5054:ff:fe51:877c/64 scope link
valid_lft forever preferred_lft forever
3: enp0s9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq state UP group default qlen 1000
link/ether 52:54:00:36:d1:d9 brd ff:ff:ff:ff:ff:ff
inet 192.52.100.11/24 brd 192.52.100.255 scope global enp0s9
valid_lft forever preferred_lft forever
inet6 fe80::5054:ff:fe36:d1d9/64 scope link
valid_lft forever preferred_lft forever
default via 192.168.121.1 dev enp0s8 proto dhcp src 192.168.121.235 metric 1024
10.244.0.2 dev calid54f37530d0 scope link
10.244.1.0/24 via 10.244.1.0 dev flannel.1 onlink
10.244.2.0/24 via 10.244.2.0 dev flannel.1 onlink
192.52.100.0/24 dev enp0s9 proto kernel scope link src 192.52.100.11
192.168.121.0/24 dev enp0s8 proto kernel scope link src 192.168.121.235
192.168.121.1 dev enp0s8 proto dhcp scope link src 192.168.121.235 metric 1024
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mcastelino
commented on July 24, 2024
nslookup is the only one that gives an incorrect response, which may be the issue.
clear@clr-01 ~/clr-k8s-examples $ nslookup clr-01
Server: 192.168.121.1
Address: 192.168.121.1#53
Non-authoritative answer:
Name: clr-01
Address: 192.52.100.11
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mcastelino
commented on July 24, 2024
Moving to latest kubernetes on clear still does not fix this issue. The node IPs are still setup on the non default route interface
clear@clr-01 ~/clr-k8s-examples $ ip route
default via 192.168.121.1 dev enp0s8 proto dhcp src 192.168.121.204 metric 1024
10.244.1.0/24 via 10.244.1.0 dev flannel.1 onlink
10.244.2.0/24 via 10.244.2.0 dev flannel.1 onlink
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
clr-01 Ready master 5m53s v1.15.0 192.52.100.11 <none> Clear Linux OS 4.19.57-60.lts2018 cri-o://1.14.4
clr-02 Ready <none> 5m13s v1.15.0 192.52.100.12 <none> Clear Linux OS 4.19.57-60.lts2018 cri-o://1.14.4
clr-03 Ready <none> 5m10s v1.15.0 192.52.100.13 <none> Clear Linux OS 4.19.57-60.lts2018 cri-o://1.14.4
clear@clr-01 ~/clr-k8s-examples $ swupd info
Installed version: 30270
Version URL: https://cdn.download.clearlinux.org/update
Content URL: https://cdn.download.clearlinux.org/update
clear@clr-01 ~/clr-k8s-examples $ kubelet --version
Kubernetes v1.15.0
clear@clr-01 ~/clr-k8s-examples $ kubectl run -i --tty busybox --image=busybox -- sh
kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
If you don't see a command prompt, try pressing enter.
Error attaching, falling back to logs: error dialing backend: EOF
Error from server: Get https://192.52.100.12:10250/containerLogs/default/busybox-5d847dfc85-27mp6/busybox: net/http: TLS handshake timeout
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NitinAtIntel
commented on July 24, 2024
Tested with multiple nics on two subnets, all 3 nodes including master were on those two subnets. Used create_stack to create cluster and resulting join command to join nodes. Was able to exec and see logs across the cluster (node to node). Currently, setup_system is set to user containerd. Tested both with containerd and modification back to use cri-o with same results. Recommend closing.
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ganeshmaharaj
commented on July 24, 2024
@NitinAtIntel a quick Q.. were you able to exec into the container and land in it's shell? If yes, then i do agree to close this.
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NitinAtIntel
commented on July 24, 2024
@ganeshmaharaj I was able to get into busybox running on one of the nodes from master
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NitinAtIntel
commented on July 24, 2024
@ganeshmaharaj any further items to follow up on this or can we close?
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krsna1729
commented on July 24, 2024
@NitinAtIntel closing it since this was only showing up in @mcastelino's vagrant environment. I had the same set of components still did not show up.
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