1bf781d8eb
Split service proxy from service plugin. Make introspection service easier for clients to use. Update service proxy to support grpc and ttrpc. Signed-off-by: Derek McGowan <derek@mcg.dev>
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package deprecations
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import (
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"fmt"
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"os"
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"text/tabwriter"
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"time"
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"github.com/urfave/cli/v2"
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api "github.com/containerd/containerd/v2/api/services/introspection/v1"
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"github.com/containerd/containerd/v2/cmd/ctr/commands"
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"github.com/containerd/containerd/v2/protobuf"
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)
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// Command is the parent for all commands under "deprecations"
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var Command = &cli.Command{
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Name: "deprecations",
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Subcommands: []*cli.Command{
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listCommand,
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},
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}
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var listCommand = &cli.Command{
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Name: "list",
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Usage: "Print warnings for deprecations",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "format",
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Usage: "output format to use (Examples: 'default', 'json')",
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},
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},
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Action: func(context *cli.Context) error {
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// Suppress automatic warnings, since we print the warnings by ourselves.
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os.Setenv("CONTAINERD_SUPPRESS_DEPRECATION_WARNINGS", "1")
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client, ctx, cancel, err := commands.NewClient(context)
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if err != nil {
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return err
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}
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defer cancel()
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resp, err := client.IntrospectionService().Server(ctx)
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if err != nil {
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return err
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}
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wrn := warnings(resp)
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if len(wrn) > 0 {
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switch context.String("format") {
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case "json":
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commands.PrintAsJSON(warnings(resp))
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return nil
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default:
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w := tabwriter.NewWriter(os.Stdout, 4, 8, 4, ' ', 0)
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fmt.Fprintln(w, "ID\tLAST OCCURRENCE\tMESSAGE\t")
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for _, dw := range wrn {
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if _, err := fmt.Fprintf(w, "%s\t%s\t%s\n",
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dw.ID,
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dw.LastOccurrence.Format(time.RFC3339Nano),
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dw.Message,
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); err != nil {
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return err
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}
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}
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return w.Flush()
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}
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}
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return nil
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},
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}
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type deprecationWarning struct {
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ID string `json:"id"`
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Message string `json:"message"`
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LastOccurrence time.Time `json:"lastOccurrence"`
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}
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func warnings(in *api.ServerResponse) []deprecationWarning {
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var warnings []deprecationWarning
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for _, dw := range in.Deprecations {
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wrn := deprecationWarningFromPB(dw)
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if wrn == nil {
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continue
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}
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warnings = append(warnings, *wrn)
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}
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return warnings
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}
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func deprecationWarningFromPB(in *api.DeprecationWarning) *deprecationWarning {
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if in == nil {
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return nil
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}
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lo := protobuf.FromTimestamp(in.LastOccurrence)
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return &deprecationWarning{
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ID: in.ID,
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Message: in.Message,
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LastOccurrence: lo,
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}
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}
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