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invocation.go
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invocation.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 binary
import (
"context"
"cuelang.org/go/cue"
"namespacelabs.dev/foundation/internal/frontend/cuefrontend/args"
"namespacelabs.dev/foundation/internal/frontend/fncue"
"namespacelabs.dev/foundation/internal/parsing"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/pkggraph"
)
type cueInvocationSnapshot struct {
FromWorkspace string `json:"fromWorkspace"`
Optional bool `json:"optional"`
RequireFile bool `json:"requireFile"`
}
type cueInvokeBinary struct {
Args *args.ArgsListOrMap `json:"args"`
Env *args.EnvMap `json:"env"`
WorkingDir string `json:"workingDir"`
Snapshots map[string]cueInvocationSnapshot `json:"snapshot"`
NoCache bool `json:"noCache"`
RequiresKeys bool `json:"requiresKeys"`
Inject []string `json:"inject"`
}
func ParseBinaryInvocationField(ctx context.Context, env *schema.Environment, pl parsing.EarlyPackageLoader, pkg *pkggraph.Package, binaryName string, cuePath string, v *fncue.CueV) (*schema.Invocation, error) {
if b := v.LookupPath(cuePath); b.Exists() {
return parseBinaryInvocation(ctx, env, pl, pkg, binaryName, b)
}
return nil, nil
}
func parseBinaryInvocation(ctx context.Context, env *schema.Environment, pl parsing.EarlyPackageLoader, pkg *pkggraph.Package, binaryName string, v *fncue.CueV) (*schema.Invocation, error) {
binRef, err := ParseImage(ctx, env, pl, pkg, binaryName, v, ParseImageOpts{Required: true})
if err != nil {
return nil, err
}
var cib cueInvokeBinary
switch v.Val.Kind() {
case cue.StructKind:
if err := v.Val.Decode(&cib); err != nil {
return nil, err
}
}
return completeParsingInvocation(ctx, pl, pkg.Location, cib, binRef)
}
func ParseBinaryInvocationForBinaryRef(ctx context.Context, loc pkggraph.Location, binRef *schema.PackageRef, v *fncue.CueV) (*schema.Invocation, error) {
var cib cueInvokeBinary
if err := v.Val.Decode(&cib); err != nil {
return nil, err
}
return completeParsingInvocation(ctx, nil, loc, cib, binRef)
}
func completeParsingInvocation(ctx context.Context, pl pkggraph.PackageLoader, loc pkggraph.Location, cib cueInvokeBinary, binRef *schema.PackageRef) (*schema.Invocation, error) {
envVars, err := cib.Env.Parsed(ctx, pl, loc)
if err != nil {
return nil, err
}
inv := &schema.Invocation{
BinaryRef: binRef,
Args: cib.Args.Parsed(),
Env: envVars,
WorkingDir: cib.WorkingDir,
NoCache: cib.NoCache,
RequiresKeys: cib.RequiresKeys,
}
for _, inject := range cib.Inject {
inv.Inject = append(inv.Inject, &schema.Invocation_ValueInjection{
Type: inject,
})
}
for k, v := range cib.Snapshots {
if inv.Snapshots == nil {
inv.Snapshots = map[string]*schema.InvocationSnapshot{}
}
inv.Snapshots[k] = &schema.InvocationSnapshot{
FromWorkspace: v.FromWorkspace,
Optional: v.Optional,
RequireFile: v.RequireFile,
}
}
return inv, nil
}