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Add set_memory_request_to_limit option

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This commit is contained in:
Sergey Dudoladov
2018-11-08 13:49:30 +01:00
parent 96e3ea9511
commit 90db0e545b
11 changed files with 50 additions and 16 deletions
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pkg/cluster/k8sres.go
+18 -6
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@@ -92,18 +92,18 @@ func (c *Cluster) makeDefaultResources() acidv1.Resources {
defaultRequests := acidv1.ResourceDescription{CPU: config.DefaultCPURequest, Memory: config.DefaultMemoryRequest}
defaultLimits := acidv1.ResourceDescription{CPU: config.DefaultCPULimit, Memory: config.DefaultMemoryLimit}
return acidv1.Resources{ResourceRequest: defaultRequests, ResourceLimits: defaultLimits}
return acidv1.Resources{ResourceRequests: defaultRequests, ResourceLimits: defaultLimits}
}
func generateResourceRequirements(resources acidv1.Resources, defaultResources acidv1.Resources) (*v1.ResourceRequirements, error) {
var err error
specRequests := resources.ResourceRequest
specRequests := resources.ResourceRequests
specLimits := resources.ResourceLimits
result := v1.ResourceRequirements{}
result.Requests, err = fillResourceList(specRequests, defaultResources.ResourceRequest)
result.Requests, err = fillResourceList(specRequests, defaultResources.ResourceRequests)
if err != nil {
return nil, fmt.Errorf("could not fill resource requests: %v", err)
}
@@ -377,8 +377,8 @@ func generateSidecarContainers(sidecars []acidv1.Sidecar,
resources, err := generateResourceRequirements(
makeResources(
sidecar.Resources.ResourceRequest.CPU,
sidecar.Resources.ResourceRequest.Memory,
sidecar.Resources.ResourceRequests.CPU,
sidecar.Resources.ResourceRequests.Memory,
sidecar.Resources.ResourceLimits.CPU,
sidecar.Resources.ResourceLimits.Memory,
),
@@ -625,7 +625,7 @@ func getBucketScopeSuffix(uid string) string {
func makeResources(cpuRequest, memoryRequest, cpuLimit, memoryLimit string) acidv1.Resources {
return acidv1.Resources{
ResourceRequest: acidv1.ResourceDescription{
ResourceRequests: acidv1.ResourceDescription{
CPU: cpuRequest,
Memory: memoryRequest,
},
@@ -644,6 +644,18 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
podTemplate *v1.PodTemplateSpec
volumeClaimTemplate *v1.PersistentVolumeClaim
)
if c.OpConfig.SetMemoryRequestToLimit {
if spec.Resources.ResourceLimits.Memory > spec.Resources.ResourceRequests.Memory {
c.logger.Warningf("The memory request of %v for the Postgres container is increased to match the memory limit of %v.", spec.Resources.ResourceRequests.Memory, spec.Resources.ResourceLimits.Memory)
spec.Resources.ResourceRequests.Memory = spec.Resources.ResourceLimits.Memory
}
// controller adjusts default and Spilo sidecar container requests (those do not need Sync)
}
defaultResources := c.makeDefaultResources()
resourceRequirements, err := generateResourceRequirements(spec.Resources, defaultResources)