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Import image into all Containerd nodes within a Kubernetes cluster | =Utils= | ||
==Import image into all Containerd nodes within a Kubernetes cluster== | |||
<syntaxhighlight lang=bash> | <syntaxhighlight lang=bash> | ||
for BIN in {base64,kubectl,ssh,pv,pigz,docker}; do if [ $(which $BIN | wc -l | awk '{print $1} ') -eq 0 ]; then echo $BIN not found ; return 1; else if [ $(file "$(which $BIN)" 1>&1 >/dev/null;echo $?) -ne 0 ]; then echo $BIN not found; return 1; fi;fi ;done | |||
NODEENPOINT=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | head -n 1) | NODEENPOINT=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | head -n 1) | ||
NODELIST=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | grep -vw ${NODEENPOINT} | tr '\n' ',' | sed -e 's/,$//g') | NODELIST=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | grep -vw ${NODEENPOINT} | tr '\n' ',' | sed -e 's/,$//g') | ||
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docker save docker.io/projectname/imagename:1.2.3| pv| pigz -p 32 -9 > imagename.tgz | docker save docker.io/projectname/imagename:1.2.3| pv| pigz -p 32 -9 > imagename.tgz | ||
cat imagename.tgz | base64 -w 0 | ssh -i ssh.key -l ${SSHUSERNAME} ${NODEENPOINT} "cd /tmp ; base64 -d | gzip -d > imagename.tar; du -sh imagename.tar; md5sum imagename.tar" | cat imagename.tgz | base64 -w 0 | ssh -i ssh.key -l ${SSHUSERNAME} ${NODEENPOINT} "cd /tmp ; base64 -d | gzip -d > imagename.tar; du -sh imagename.tar; md5sum imagename.tar" | ||
ssh -i ssh.key -A -l ${SSHUSERNAME} ${NODEENPOINT} "for i in ${NODELIST}; do echo \$i; scp -o 'StrictHostKeyChecking no' /tmp/imagename.tar ${SSHUSERNAME}@\$i:/tmp ; done" | ssh -i ssh.key -A -l ${SSHUSERNAME} ${NODEENPOINT} "for i in {${NODELIST}}; do echo \$i; scp -o 'StrictHostKeyChecking no' /tmp/imagename.tar ${SSHUSERNAME}@\$i:/tmp ; done" | ||
for NODE in ${NODELIST}; do ssh -n -l ${SSHUSERNAME} $NODE "sudo ctr --namespace=k8s.io image import --platform linux/amd64 /tmp/imagename.tar ; sudo ctr image ls" ; done | for NODE in ${NODELIST}; do ssh -n -l ${SSHUSERNAME} $NODE "sudo ctr --namespace=k8s.io image import --platform linux/amd64 /tmp/imagename.tar ; sudo ctr image ls" ; done | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=Links= | =Links= | ||
* https://containerd.io/ | * https://containerd.io/ | ||
Edição atual tal como às 13h47min de 8 de setembro de 2025
Utils
Import image into all Containerd nodes within a Kubernetes cluster
for BIN in {base64,kubectl,ssh,pv,pigz,docker}; do if [ $(which $BIN | wc -l | awk '{print $1} ') -eq 0 ]; then echo $BIN not found ; return 1; else if [ $(file "$(which $BIN)" 1>&1 >/dev/null;echo $?) -ne 0 ]; then echo $BIN not found; return 1; fi;fi ;done
NODEENPOINT=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | head -n 1)
NODELIST=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | grep -vw ${NODEENPOINT} | tr '\n' ',' | sed -e 's/,$//g')
ALLNODES=$(kubectl get nodes -o wide --no-headers | awk '{print $6}' | tr '\n' ',' | sed -e 's/,$//g')
SSHUSERNAME=username
docker pull --platform linux/amd64 docker.io/projectname/imagename:1.2.3
docker save docker.io/projectname/imagename:1.2.3| pv| pigz -p 32 -9 > imagename.tgz
cat imagename.tgz | base64 -w 0 | ssh -i ssh.key -l ${SSHUSERNAME} ${NODEENPOINT} "cd /tmp ; base64 -d | gzip -d > imagename.tar; du -sh imagename.tar; md5sum imagename.tar"
ssh -i ssh.key -A -l ${SSHUSERNAME} ${NODEENPOINT} "for i in {${NODELIST}}; do echo \$i; scp -o 'StrictHostKeyChecking no' /tmp/imagename.tar ${SSHUSERNAME}@\$i:/tmp ; done"
for NODE in ${NODELIST}; do ssh -n -l ${SSHUSERNAME} $NODE "sudo ctr --namespace=k8s.io image import --platform linux/amd64 /tmp/imagename.tar ; sudo ctr image ls" ; done