LAB 3.2 section 18

Hi, I'm working with ubuntu 20.04 on AWS. I managed to configure the worker node to pull from local $repo.
I also managed to curl from from worker
~$curl $repo/v2/_catalog
answer: {"repositories":["simpleapp"]}
I created try1 deployment with image-$repo/simpleapp and added 6 replicas:
answer:
_NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nginx-6488f757bc-f4sqg 1/1 Running 2 (163m ago) 20h 192.168.182.22 ip-172-31-13-118
registry-d4cf9fd7d-jl8cf 1/1 Running 2 (163m ago) 20h 192.168.182.23 ip-172-31-13-118
try1-5467785d4d-55cw2 1/1 Running 0 157m 192.168.182.26 ip-172-31-13-118
try1-5467785d4d-gbx5d 1/1 Running 0 157m 192.168.182.25 ip-172-31-13-118
try1-5467785d4d-n9589 1/1 Running 0 157m 192.168.182.142 ip-172-31-3-233
try1-5467785d4d-rkxq6 1/1 Running 0 158m 192.168.182.24 ip-172-31-13-118
try1-5467785d4d-wj5vx 1/1 Running 0 157m 192.168.182.143 ip-172-31-3-233
try1-5467785d4d-wk4lq 1/1 Running 0 157m 192.168.182.27 ip-172-31-13-118 _
The problem is in worker node. When I check the list of containers with:
worker:~$:sudo crictl ps | grep simple
I receive the list of containers that created in the cp, but with errors and warnings:
WARN[0000] runtime connect using default endpoints: [unix:///var/run/dockershim.sock unix:///run/containerd/containerd.sock unix:///run/crio/crio.sock unix:///var/run/cri-dockerd.sock]. As the default settings are now deprecated, you should set the endpoint instead.
ERRO[0000] unable to determine runtime API version: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial unix /var/run/dockershim.sock: connect: no such file or directory"
WARN[0000] image connect using default endpoints: [unix:///var/run/dockershim.sock unix:///run/containerd/containerd.sock unix:///run/crio/crio.sock unix:///var/run/cri-dockerd.sock]. As the default settings are now deprecated, you should set the endpoint instead.
ERRO[0000] unable to determine image API version: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial unix /var/run/dockershim.sock: connect: no such file or directory"
b5be6b5c1f549 5a160028c56e9 3 hours ago Running simpleapp 0 9d9318f45a2bc try1-5467785d4d-wk4lq
1fad538623c32 5a160028c56e9 3 hours ago Running simpleapp 0 211bc4337d7af try1-5467785d4d-55cw2
f65c0051056e4 5a160028c56e9 3 hours ago Running simpleapp 0 34711771fa87c try1-5467785d4d-gbx5d
01fd909e40d8d 5a160028c56e9 3 hours ago Running simpleapp 0 d0e412f46a33f try1-5467785d4d-rkxq6
Is this a problem? If so, how can I solve it?
Answers
-
Hi @zite,
Crictl requires its runtime and image endpoints to be set prior to running the crictl CLI tool. This can be done by creating the /etc/crictl.yaml file.
You can create the crictl.yaml file as such:student@worker:~$ sudo -c sh 'cat <<EOF > /etc/crictl.yaml runtime-endpoint: unix:///run/containerd/containerd.sock image-endpoint: unix:///run/containerd/containerd.sock timeout: 2 debug: false pull-image-on-create: false EOF'
This assumes that you have the containerd runtime installed on your nodes.
Regards,
-Chris0
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