github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/main_unix.go (about)

     1  //go:build freebsd || linux
     2  
     3  /*
     4     Copyright The containerd Authors.
     5  
     6     Licensed under the Apache License, Version 2.0 (the "License");
     7     you may not use this file except in compliance with the License.
     8     You may obtain a copy of the License at
     9  
    10         http://www.apache.org/licenses/LICENSE-2.0
    11  
    12     Unless required by applicable law or agreed to in writing, software
    13     distributed under the License is distributed on an "AS IS" BASIS,
    14     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15     See the License for the specific language governing permissions and
    16     limitations under the License.
    17  */
    18  
    19  package main
    20  
    21  import (
    22  	"github.com/containerd/log"
    23  	"github.com/containerd/nerdctl/pkg/clientutil"
    24  	"github.com/containerd/nerdctl/pkg/infoutil"
    25  	"github.com/containerd/nerdctl/pkg/rootlessutil"
    26  	"github.com/spf13/cobra"
    27  )
    28  
    29  func shellCompleteNamespaceNames(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    30  	globalOptions, err := processRootCmdFlags(cmd)
    31  	if err != nil {
    32  		return nil, cobra.ShellCompDirectiveError
    33  	}
    34  	if rootlessutil.IsRootlessParent() {
    35  		_ = rootlessutil.ParentMain(globalOptions.HostGatewayIP)
    36  		return nil, cobra.ShellCompDirectiveNoFileComp
    37  	}
    38  	if err != nil {
    39  		return nil, cobra.ShellCompDirectiveNoFileComp
    40  	}
    41  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), globalOptions.Namespace, globalOptions.Address)
    42  	if err != nil {
    43  		return nil, cobra.ShellCompDirectiveError
    44  	}
    45  	defer cancel()
    46  	nsService := client.NamespaceService()
    47  	nsList, err := nsService.List(ctx)
    48  	if err != nil {
    49  		log.L.Warn(err)
    50  		return nil, cobra.ShellCompDirectiveError
    51  	}
    52  	var candidates []string
    53  	candidates = append(candidates, nsList...)
    54  	return candidates, cobra.ShellCompDirectiveNoFileComp
    55  }
    56  
    57  func shellCompleteSnapshotterNames(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    58  	globalOptions, err := processRootCmdFlags(cmd)
    59  	if err != nil {
    60  		return nil, cobra.ShellCompDirectiveError
    61  	}
    62  	if rootlessutil.IsRootlessParent() {
    63  		_ = rootlessutil.ParentMain(globalOptions.HostGatewayIP)
    64  		return nil, cobra.ShellCompDirectiveNoFileComp
    65  	}
    66  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), globalOptions.Namespace, globalOptions.Address)
    67  	if err != nil {
    68  		return nil, cobra.ShellCompDirectiveError
    69  	}
    70  	defer cancel()
    71  	snapshotterPlugins, err := infoutil.GetSnapshotterNames(ctx, client.IntrospectionService())
    72  	if err != nil {
    73  		return nil, cobra.ShellCompDirectiveError
    74  	}
    75  	var candidates []string
    76  	candidates = append(candidates, snapshotterPlugins...)
    77  	return candidates, cobra.ShellCompDirectiveNoFileComp
    78  }