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kubecluster.go
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kubecluster.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package kubedef
import (
"context"
"google.golang.org/protobuf/types/known/anypb"
"namespacelabs.dev/foundation/framework/kubernetes/kubeobj"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/runtime"
"namespacelabs.dev/foundation/internal/runtime/kubernetes/client"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/execution"
"namespacelabs.dev/foundation/std/execution/defs"
)
type KubeCluster interface {
runtime.Cluster
PreparedClient() client.Prepared
}
type KubeClusterNamespace interface {
runtime.ClusterNamespace
KubeConfig() KubeConfig
}
type BackendProtocol string
const (
BackendProtocol_HTTP BackendProtocol = "http"
BackendProtocol_GRPC BackendProtocol = "grpc"
BackendProtocol_GRPCS BackendProtocol = "grpcs"
)
type IngressClass interface {
runtime.IngressClass
Ensure(context.Context) ([]*schema.SerializedInvocation, error)
Service() *IngressSelector
PrepareRoute(ctx context.Context, env *schema.Environment, srv *schema.Stack_Entry, domain *schema.Domain, ns, name string) (*IngressAllocatedRoute, error)
Annotate(ns, name string, domains []*schema.Domain, hasTLS bool, backendProtocol BackendProtocol, extensions []*anypb.Any, userAnnotation *schema.ServiceAnnotations) (*IngressAnnotations, error)
}
type IngressAllocatedRoute struct {
Certificates map[string]IngressCertificate
Map []*OpMapAddress
}
type IngressCertificate struct {
SecretName string
Defs []defs.MakeDefinition
}
type IngressAnnotations struct {
Annotations map[string]string
Resources []defs.MakeDefinition
// If set, make sure that the ingress resource is created after the specified categories.
SchedAfter []string
}
type IngressSelector struct {
InClusterController kubeobj.Object // May be nil.
LoadBalancerServiceName string // In the same namespace.
ContainerPort int
PodSelector map[string]string
}
type KubeConfig struct {
Context string // Only set if explicitly set in KubeEnv.
Namespace string
Environment *schema.Environment
}
func InjectedKubeCluster(ctx context.Context) (KubeCluster, error) {
c, err := execution.Get(ctx, runtime.ClusterInjection)
if err != nil {
return nil, err
}
if v, ok := c.(KubeCluster); ok {
return v, nil
}
return nil, fnerrors.InternalError("expected a kubernetes cluster in context")
}
func InjectedKubeClusterNamespace(ctx context.Context) (KubeClusterNamespace, error) {
c, err := execution.Get(ctx, runtime.ClusterNamespaceInjection)
if err != nil {
return nil, err
}
if v, ok := c.(KubeClusterNamespace); ok {
return v, nil
}
return nil, fnerrors.InternalError("expected a kubernetes namespace in context")
}