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inspect.go
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inspect.go
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// Copyright 2024 The Carvel Authors.
// SPDX-License-Identifier: Apache-2.0
package tools
import (
"io/fs"
"github.com/cppforlife/go-cli-ui/ui"
"github.com/spf13/cobra"
cmdcore "github.com/vmware-tanzu/carvel-kapp/pkg/kapp/cmd/core"
ctlres "github.com/vmware-tanzu/carvel-kapp/pkg/kapp/resources"
)
type InspectOptions struct {
ui ui.UI
depsFactory cmdcore.DepsFactory
FileFlags FileFlags
ResourceFilterFlags ResourceFilterFlags
Raw bool
FileSystem fs.FS
}
func NewInspectOptions(ui ui.UI, depsFactory cmdcore.DepsFactory) *InspectOptions {
return &InspectOptions{ui: ui, depsFactory: depsFactory}
}
func NewInspectCmd(o *InspectOptions, _ cmdcore.FlagsFactory) *cobra.Command {
cmd := &cobra.Command{
Use: "inspect",
Aliases: []string{"i"},
Short: "Inspect resources",
Long: "Inspect resources",
RunE: func(_ *cobra.Command, _ []string) error { return o.Run() },
}
o.FileFlags.Set(cmd)
o.ResourceFilterFlags.Set(cmd)
cmd.Flags().BoolVar(&o.Raw, "raw", false, "Output raw YAML resource content")
return cmd
}
func (o *InspectOptions) Run() error {
// Only supports inspecting files; use kapp -a k=v inspect for cluster inspection
return o.inspectFiles()
}
func (o *InspectOptions) inspectFiles() error {
resourceFilter, err := o.ResourceFilterFlags.ResourceFilter()
if err != nil {
return err
}
for _, file := range o.FileFlags.Files {
fileRs, err := ctlres.NewFileResources(o.FileSystem, file)
if err != nil {
return err
}
for _, fileRes := range fileRs {
resources, err := fileRes.Resources()
if err != nil {
return err
}
resources = resourceFilter.Apply(resources)
if o.Raw {
for _, res := range resources {
resBs, err := res.AsYAMLBytes()
if err != nil {
return err
}
o.ui.PrintBlock(append([]byte("---\n"), resBs...))
}
} else {
view := InspectView{
Source: fileRes.Description(),
Resources: resources,
Sort: o.FileFlags.Sort,
}
view.Print(o.ui)
}
}
}
return nil
}