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In-place Pod Vertical Scaling - API changes

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1. Define ContainerResizePolicy and add it to Container struct.
 2. Add ResourcesAllocated and Resources fields to ContainerStatus struct.
 3. Define ResourcesResizeStatus and add it to PodStatus struct.
 4. Add InPlacePodVerticalScaling feature gate and drop disabled fields.
 5. ResizePolicy validation & defaulting and Resources mutability for CPU/Memory.
 6. Various fixes from code review feedback (originally committed on Apr 12, 2022)
KEP: /enhancements/keps/sig-node/1287-in-place-update-pod-resources
This commit is contained in:
Vinay Kulkarni
2021-11-03 15:43:43 -07:00
committed by vinay kulkarni
parent cfb32121c1
commit 76962b0fa7
16 changed files with 1879 additions and 15 deletions
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6
test/integration/logs/benchmark/load_test.go
View File

@@ -152,7 +152,7 @@ if [ $count -eq 2 ]; then
exit 0
fi
while true; do sleep 1; done
],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,}]
],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,ResizePolicy:[]ContainerResizePolicy{},}]
`,
structured: `"Creating container in pod" container=<
&Container{Name:terminate-cmd-rpn,Image:registry.k8s.io/e2e-test-images/busybox:1.29-2,Command:[sh -c
@@ -165,13 +165,13 @@ while true; do sleep 1; done
exit 0
fi
while true; do sleep 1; done
],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,}
],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,ResizePolicy:[]ContainerResizePolicy{},}
>
`,
// This is what the output would look like with JSON object. Because of https://github.com/kubernetes/kubernetes/issues/106652 we get the string instead.
// json: `{"msg":"Creating container in pod","v":0,"container":{"name":"terminate-cmd-rpn","image":"registry.k8s.io/e2e-test-images/busybox:1.29-2","command":["sh -c \nf=/restart-count/restartCount\ncount=$(echo 'hello' >> $f ; wc -l $f | awk {'print $1'})\nif [ $count -eq 1 ]; then\n\texit 1\nfi\nif [ $count -eq 2 ]; then\n\texit 0\nfi\nwhile true; do sleep 1; done\n"],"resources":{},"terminationMessagePath":"/dev/termination-log"}}
// `,
json: `{"msg":"Creating container in pod","v":0,"container":"&Container{Name:terminate-cmd-rpn,Image:registry.k8s.io/e2e-test-images/busybox:1.29-2,Command:[sh -c \nf=/restart-count/restartCount\ncount=$(echo 'hello' >> $f ; wc -l $f | awk {'print $1'})\nif [ $count -eq 1 ]; then\n\texit 1\nfi\nif [ $count -eq 2 ]; then\n\texit 0\nfi\nwhile true; do sleep 1; done\n],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,}"}
json: `{"msg":"Creating container in pod","v":0,"container":"&Container{Name:terminate-cmd-rpn,Image:registry.k8s.io/e2e-test-images/busybox:1.29-2,Command:[sh -c \nf=/restart-count/restartCount\ncount=$(echo 'hello' >> $f ; wc -l $f | awk {'print $1'})\nif [ $count -eq 1 ]; then\n\texit 1\nfi\nif [ $count -eq 2 ]; then\n\texit 0\nfi\nwhile true; do sleep 1; done\n],Args:[],WorkingDir:,Ports:[]ContainerPort{},Env:[]EnvVar{},Resources:ResourceRequirements{Limits:ResourceList{},Requests:ResourceList{},Claims:[]ResourceClaim{},},VolumeMounts:[]VolumeMount{},LivenessProbe:nil,ReadinessProbe:nil,Lifecycle:nil,TerminationMessagePath:/dev/termination-log,ImagePullPolicy:,SecurityContext:nil,Stdin:false,StdinOnce:false,TTY:false,EnvFrom:[]EnvFromSource{},TerminationMessagePolicy:,VolumeDevices:[]VolumeDevice{},StartupProbe:nil,ResizePolicy:[]ContainerResizePolicy{},}"}
`,
stats: logStats{
TotalLines: 2,