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/
computeclass.go
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/
computeclass.go
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package resolvedofferings
import (
"github.com/acorn-io/baaah/pkg/router"
apiv1 "github.com/acorn-io/runtime/pkg/apis/api.acorn.io/v1"
v1 "github.com/acorn-io/runtime/pkg/apis/internal.acorn.io/v1"
adminv1 "github.com/acorn-io/runtime/pkg/apis/internal.admin.acorn.io/v1"
"github.com/acorn-io/runtime/pkg/computeclasses"
"github.com/acorn-io/z"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/utils/strings/slices"
)
// resolveComputeClasses resolves the compute class information for each container in the AppInstance
func resolveComputeClasses(req router.Request, cfg *apiv1.Config, appInstance *v1.AppInstance) error {
if appInstance.Status.ResolvedOfferings.Containers == nil {
appInstance.Status.ResolvedOfferings.Containers = map[string]v1.ContainerResolvedOffering{}
}
var (
defaultCC string
err error
)
if value, ok := appInstance.Spec.ComputeClasses[""]; ok {
defaultCC = value
} else {
defaultCC, err = adminv1.GetDefaultComputeClass(req.Ctx, req.Client, appInstance.Namespace)
if err != nil {
return err
}
}
// Set the default for all containers, noted by the empty string
appInstance.Status.ResolvedOfferings.Containers[""] = v1.ContainerResolvedOffering{
Memory: cfg.WorkloadMemoryDefault,
Class: defaultCC,
}
cc, err := computeclasses.GetAsProjectComputeClassInstance(req.Ctx, req.Client, appInstance.Status.Namespace, defaultCC)
if err != nil && !apierrors.IsNotFound(err) {
return err
}
if cc != nil {
parsedMemory, err := computeclasses.ParseComputeClassMemoryInternal(cc.Memory)
if err != nil {
return err
}
def := parsedMemory.Def.Value()
cpuQuantity := computeclasses.CalculateCPU(*cc, *parsedMemory.Def)
appInstance.Status.ResolvedOfferings.Containers[""] = v1.ContainerResolvedOffering{
Memory: &def,
CPU: z.Pointer(cpuQuantity.MilliValue()),
Class: appInstance.Status.ResolvedOfferings.Containers[""].Class,
}
}
// Check to see if the user overrode the memory for all containers
if specificMemory := appInstance.Spec.Memory[""]; specificMemory != nil {
var cpuQuantity resource.Quantity
if cc != nil {
cpuQuantity = computeclasses.CalculateCPU(*cc, *resource.NewQuantity(*specificMemory, resource.BinarySI))
}
appInstance.Status.ResolvedOfferings.Containers[""] = v1.ContainerResolvedOffering{
Memory: appInstance.Spec.Memory[""],
CPU: z.Pointer(cpuQuantity.MilliValue()),
Class: appInstance.Status.ResolvedOfferings.Containers[""].Class,
}
}
// Set the compute class info for each container and job individually
if err := resolveComputeClass(req, appInstance, cfg.WorkloadMemoryDefault, cc, defaultCC, appInstance.Status.AppSpec.Containers); err != nil {
return err
}
if err := resolveComputeClass(req, appInstance, cfg.WorkloadMemoryDefault, cc, defaultCC, appInstance.Status.AppSpec.Jobs); err != nil {
return err
}
// Remove any resolved offerings for containers that are no longer defined in the app.
allContainers := appInstance.GetAllContainerNames()
for containerName := range appInstance.Status.ResolvedOfferings.Containers {
if containerName == "" {
continue
}
if !slices.Contains(allContainers, containerName) {
delete(appInstance.Status.ResolvedOfferings.Containers, containerName)
}
}
return nil
}
func resolveComputeClass(req router.Request, appInstance *v1.AppInstance, configDefault *int64, defaultCC *adminv1.ProjectComputeClassInstance, defaultCCName string, containers map[string]v1.Container) error {
for name, container := range containers {
resolvedOfferings, err := resolveComputeClassForContainer(req, appInstance, configDefault, defaultCC, defaultCCName, name, container)
if err != nil {
return err
}
appInstance.Status.ResolvedOfferings.Containers[name] = resolvedOfferings
for sidecarName, sidecar := range container.Sidecars {
resolvedOfferingsSidecar, err := resolveComputeClassForContainer(req, appInstance, configDefault, defaultCC, defaultCCName, sidecarName, sidecar)
if err != nil {
return err
}
appInstance.Status.ResolvedOfferings.Containers[sidecarName] = resolvedOfferingsSidecar
}
}
return nil
}
func resolveComputeClassForContainer(req router.Request, appInstance *v1.AppInstance, configDefault *int64, defaultCC *adminv1.ProjectComputeClassInstance, defaultCCName, containerName string, container v1.Container) (v1.ContainerResolvedOffering, error) {
var ccName string
// First, get the compute class for the workload
cc, err := computeclasses.GetClassForWorkload(req.Ctx, req.Client, appInstance.Spec.ComputeClasses, container, containerName, appInstance.Namespace)
if err != nil {
return v1.ContainerResolvedOffering{}, err
}
if cc == nil {
cc = defaultCC
}
if cc != nil {
ccName = cc.Name
} else {
ccName = defaultCCName
}
// Next, determine the memory request. This is the order of priority:
// 1. runtime-level overrides from the user (in app.Spec)
// 2. defaults in the acorn image
// 3. defaults from compute class
// 4. global default
var (
memory = configDefault // set to global default first, then check the higher priority values
cpu *int64
)
if appInstance.Spec.Memory[containerName] != nil { // runtime-level overrides from the user
memory = appInstance.Spec.Memory[containerName]
} else if appInstance.Spec.Memory[""] != nil { // runtime-level overrides from the user for all containers in the app
memory = appInstance.Spec.Memory[""]
} else if container.Memory != nil { // defaults in the acorn image
memory = container.Memory
} else if cc != nil { // defaults from compute class
parsedMemory, err := computeclasses.ParseComputeClassMemoryInternal(cc.Memory)
if err != nil {
return v1.ContainerResolvedOffering{}, err
}
def := parsedMemory.Def.Value()
memory = &def
}
if cc != nil {
cpuQuantity := computeclasses.CalculateCPU(*cc, *resource.NewQuantity(*memory, resource.BinarySI))
cpu = z.Pointer(cpuQuantity.MilliValue())
}
return v1.ContainerResolvedOffering{
Class: ccName,
Memory: memory,
CPU: cpu,
}, nil
}