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resourceprovider.go
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resourceprovider.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 deploy
import (
"context"
"encoding/json"
"fmt"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
"k8s.io/utils/strings/slices"
"namespacelabs.dev/foundation/framework/resources/provider"
is "namespacelabs.dev/foundation/framework/secrets"
"namespacelabs.dev/foundation/internal/artifacts/oci"
protos2 "namespacelabs.dev/foundation/internal/codegen/protos"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/planning/secrets"
"namespacelabs.dev/foundation/internal/protos"
internalres "namespacelabs.dev/foundation/internal/resources"
"namespacelabs.dev/foundation/internal/runtime"
"namespacelabs.dev/foundation/internal/versions"
"namespacelabs.dev/foundation/schema"
runtimepb "namespacelabs.dev/foundation/schema/runtime"
"namespacelabs.dev/foundation/std/execution"
"namespacelabs.dev/foundation/std/pkggraph"
"namespacelabs.dev/foundation/std/resources"
"namespacelabs.dev/foundation/std/tasks"
"namespacelabs.dev/go-ids"
)
const version_introducedProviderContext = 45
type InvokeResourceProvider struct {
providerArgsInput
ResourceInstanceId string
BinaryRef *schema.PackageRef
BinaryLabels []*schema.Label
BinaryImageId oci.ImageID
ResourceClass *schema.ResourceClass
ResourceProvider *schema.ResourceProvider
InstanceTypeSource *protos2.FileDescriptorSetAndDeps
ResourceDependencies []*resources.ResourceDependency
SecretResources []runtime.SecretResourceDependency
}
type providerArgsInput struct {
SealedContext pkggraph.SealedPackageLoader
SerializedIntentJson []byte
BinaryConfig *schema.BinaryConfig
}
func PlanResourceProviderInvocation(ctx context.Context, secs is.SecretsSource, planner runtime.Planner, invoke *InvokeResourceProvider) ([]*schema.SerializedInvocation, error) {
args, err := planProviderArgs(ctx, invoke.providerArgsInput)
if err != nil {
return nil, err
}
spec := runtime.DeployableSpec{
// ErrorLocation: resource.ProviderPackage.Location,
PackageRef: invoke.BinaryRef,
Class: schema.DeployableClass_MANUAL, // Don't emit deployment events.
Id: ids.NewRandomBase32ID(8),
Name: "provider",
Description: fmt.Sprintf("Ensure resource: %s", invoke.ResourceInstanceId),
ResourceDeps: invoke.ResourceDependencies,
SecretResources: invoke.SecretResources,
SetContainerField: []*runtimepb.SetContainerField{
// Resources are passed in as flags to minimize the number of k8s resources that are created.
// XXX security validate this.
{SetArg: []*runtimepb.SetContainerField_SetValue{{Key: "--resources", Value: runtimepb.SetContainerField_RESOURCE_CONFIG}}},
},
Secrets: secrets.ScopeSecretsTo(secs, invoke.SealedContext, nil),
MainContainer: runtime.ContainerRunOpts{
Image: invoke.BinaryImageId,
Command: invoke.BinaryConfig.Command,
Args: args,
Env: invoke.BinaryConfig.Env,
},
}
plan, err := planner.PlanDeployment(ctx, runtime.DeploymentSpec{
Specs: []runtime.DeployableSpec{spec},
})
if err != nil {
return nil, err
}
var ops []*schema.SerializedInvocation
ops = append(ops, plan.Definitions...)
ops = append(ops, &schema.SerializedInvocation{
Description: fmt.Sprintf("Wait for Resource (%s:%s)", invoke.ResourceClass.PackageName, invoke.ResourceClass.Name),
Impl: protos.WrapAnyOrDie(&internalres.OpWaitForProviderResults{
ResourceInstanceId: invoke.ResourceInstanceId,
Deployable: runtime.DeployableToProto(spec),
ResourceClass: invoke.ResourceClass,
InstanceTypeSource: invoke.InstanceTypeSource,
}),
Order: &schema.ScheduleOrder{
SchedCategory: []string{resources.ResourceInstanceCategory(invoke.ResourceInstanceId)},
SchedAfterCategory: []string{runtime.DeployableCategory(spec)},
},
})
return ops, nil
}
func planProviderArgs(ctx context.Context, invoke providerArgsInput) ([]string, error) {
args := slices.Clone(invoke.BinaryConfig.GetArgs())
if len(invoke.SerializedIntentJson) > 0 {
args = append(args, fmt.Sprintf("--intent=%s", invoke.SerializedIntentJson))
}
versions, err := foundationVersion(ctx, invoke.SealedContext)
if err != nil {
return nil, fnerrors.InternalError("failed to determine foundation version: %w", err)
}
if versions.APIVersion >= version_introducedProviderContext {
providerCtx := provider.ProviderContext{
ProtocolVersion: "1",
}
ctxBytes, err := json.Marshal(providerCtx)
if err != nil {
return nil, fnerrors.InternalError("failed to serialize provider context: %w", err)
}
args = append(args, fmt.Sprintf("--provider_context=%s", ctxBytes))
}
return args, nil
}
func foundationVersion(ctx context.Context, modules pkggraph.Modules) (versions.InternalVersions, error) {
for _, module := range modules.Modules() {
if module.ModuleName() == "namespacelabs.dev/foundation" {
return versions.LoadAtOrDefaults(module.ReadOnlyFS(), "internal/versions/versions.json")
}
}
return versions.LastNonJSONVersion(), nil
}
type RawJSONObject map[string]any
func BuildResourceMap(ctx context.Context, dependencies []*resources.ResourceDependency) (map[string]RawJSONObject, error) {
if len(dependencies) == 0 {
return nil, nil
}
return tasks.Return(ctx, tasks.Action("deploy.build-resource-map"), func(ctx context.Context) (map[string]RawJSONObject, error) {
inputs, err := execution.Get(ctx, execution.InputsInjection)
if err != nil {
return nil, err
}
resourceData := map[string]RawJSONObject{}
var missing []string
for _, dep := range dependencies {
input, ok := inputs[dep.ResourceInstanceId]
if ok {
raw, err := protoAsGenericJson(input.Message)
if err != nil {
return nil, err
}
resourceData[dep.GetResourceRef().Canonical()] = raw
} else {
missing = append(missing, dep.GetResourceRef().Canonical())
}
}
if len(missing) > 0 {
return nil, fnerrors.InternalError("missing required resources: %v", missing)
}
return resourceData, nil
})
}
func protoAsGenericJson(msg proto.Message) (RawJSONObject, error) {
serialized, err := protojson.MarshalOptions{UseProtoNames: true}.Marshal(msg)
if err != nil {
return nil, err
}
var m RawJSONObject
if err := json.Unmarshal(serialized, &m); err != nil {
return nil, err
}
return m, nil
}