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// Copyright (c) 2020, Control Command Inc. All rights reserved.
// Copyright (c) 2019-2021, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package cli
import (
"context"
"fmt"
"runtime"
"time"
"github.com/spf13/cobra"
"github.com/sylabs/singularity/v4/docs"
"github.com/sylabs/singularity/v4/internal/app/singularity"
"github.com/sylabs/singularity/v4/internal/pkg/client/library"
"github.com/sylabs/singularity/v4/internal/pkg/util/interactive"
"github.com/sylabs/singularity/v4/pkg/cmdline"
"github.com/sylabs/singularity/v4/pkg/sylog"
)
func init() {
addCmdInit(func(cmdManager *cmdline.CommandManager) {
cmdManager.RegisterCmd(deleteImageCmd)
cmdManager.RegisterFlagForCmd(&deleteForceFlag, deleteImageCmd)
cmdManager.RegisterFlagForCmd(&deleteImageArchFlag, deleteImageCmd)
cmdManager.RegisterFlagForCmd(&deleteImageTimeoutFlag, deleteImageCmd)
cmdManager.RegisterFlagForCmd(&deleteLibraryURIFlag, deleteImageCmd)
cmdManager.RegisterFlagForCmd(&commonNoHTTPSFlag, deleteImageCmd)
})
}
var (
deleteForce bool
deleteForceFlag = cmdline.Flag{
ID: "deleteForceFlag",
Value: &deleteForce,
DefaultValue: false,
Name: "force",
ShortHand: "F",
Usage: "delete image without confirmation",
EnvKeys: []string{"FORCE"},
}
)
var (
deleteImageArch string
deleteImageArchFlag = cmdline.Flag{
ID: "deleteImageArchFlag",
Value: &deleteImageArch,
DefaultValue: runtime.GOARCH,
Name: "arch",
ShortHand: "A",
Usage: "specify requested image arch",
EnvKeys: []string{"ARCH"},
}
)
var (
deleteImageTimeout int
deleteImageTimeoutFlag = cmdline.Flag{
ID: "deleteImageTimeoutFlag",
Value: &deleteImageTimeout,
DefaultValue: 15,
Name: "timeout",
ShortHand: "T",
Hidden: true,
Usage: "specify delete timeout in seconds",
EnvKeys: []string{"TIMEOUT"},
}
)
var (
deleteLibraryURI string
deleteLibraryURIFlag = cmdline.Flag{
ID: "deleteLibraryURIFlag",
Value: &deleteLibraryURI,
DefaultValue: "",
Name: "library",
Usage: "delete images from the provided library",
EnvKeys: []string{"LIBRARY"},
}
)
var deleteImageCmd = &cobra.Command{
Use: docs.DeleteUse,
Short: docs.DeleteShort,
Long: docs.DeleteLong,
Example: docs.DeleteExample,
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
imageRef, err := library.NormalizeLibraryRef(args[0])
if err != nil {
sylog.Fatalf("Error parsing library ref: %v", err)
}
if deleteLibraryURI != "" && imageRef.Host != "" {
sylog.Fatalf("Conflicting arguments; do not use --library with a library URI containing host name")
}
var libraryURI string
if deleteLibraryURI != "" {
libraryURI = deleteLibraryURI
} else if imageRef.Host != "" {
// override libraryURI if ref contains host name
if noHTTPS {
libraryURI = "http://" + imageRef.Host
} else {
libraryURI = "https://" + imageRef.Host
}
}
sylog.Debugf("Using library service URI: %s", libraryURI)
r := fmt.Sprintf("%s:%s", imageRef.Path, imageRef.Tags[0])
if !deleteForce {
y, err := interactive.AskYNQuestion("n", "Are you sure you want to delete %s (%s) [y/N] ", r, deleteImageArch)
if err != nil {
sylog.Fatalf(err.Error())
}
if y == "n" {
return
}
}
libraryConfig, err := getLibraryClientConfig(libraryURI)
if err != nil {
sylog.Fatalf("Error while getting library client config: %v", err)
}
ctx, cancel := context.WithTimeout(cmd.Context(), time.Duration(deleteImageTimeout)*time.Second)
defer cancel()
if err := singularity.DeleteImage(ctx, libraryConfig, r, deleteImageArch); err != nil {
sylog.Fatalf("Unable to delete image from library: %s\n", err)
}
sylog.Infof("Image %s (%s) deleted.", r, deleteImageArch)
},
}
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