From f62a356515e387b0bbcf1f08b4831d139c2039b7 Mon Sep 17 00:00:00 2001
From: Daniel J Walsh <dwalsh@redhat.com>
Date: Wed, 18 Nov 2020 16:12:33 -0500
Subject: Remove varlink support from Podman

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
---
 cmd/podman/registry/registry.go |  3 --
 cmd/podman/system/service.go    | 17 +-----------
 cmd/podman/system/varlink.go    | 61 -----------------------------------------
 3 files changed, 1 insertion(+), 80 deletions(-)
 delete mode 100644 cmd/podman/system/varlink.go

(limited to 'cmd')

diff --git a/cmd/podman/registry/registry.go b/cmd/podman/registry/registry.go
index 9c0b290e7..481ed810f 100644
--- a/cmd/podman/registry/registry.go
+++ b/cmd/podman/registry/registry.go
@@ -18,9 +18,6 @@ const DefaultRootAPIPath = "/run/podman/podman.sock"
 // DefaultRootAPIAddress is the default address of the REST socket with unix: prefix
 const DefaultRootAPIAddress = "unix:" + DefaultRootAPIPath
 
-// DefaultVarlinkAddress is the default address of the varlink socket
-const DefaultVarlinkAddress = "unix:/run/podman/io.podman"
-
 type CliCommand struct {
 	Mode    []entities.EngineMode
 	Command *cobra.Command
diff --git a/cmd/podman/system/service.go b/cmd/podman/system/service.go
index 78062d135..42482b5d9 100644
--- a/cmd/podman/system/service.go
+++ b/cmd/podman/system/service.go
@@ -38,7 +38,6 @@ Enable a listening service for API access to Podman commands.
 
 	srvArgs = struct {
 		Timeout int64
-		Varlink bool
 	}{}
 )
 
@@ -55,9 +54,6 @@ func init() {
 	flags.Int64VarP(&srvArgs.Timeout, timeFlagName, "t", 5, "Time until the service session expires in seconds.  Use 0 to disable the timeout")
 	_ = srvCmd.RegisterFlagCompletionFunc(timeFlagName, completion.AutocompleteNone)
 
-	flags.BoolVar(&srvArgs.Varlink, "varlink", false, "Use legacy varlink service instead of REST. Unit of --time changes from seconds to milliseconds.")
-
-	_ = flags.MarkDeprecated("varlink", "valink API is deprecated.")
 	flags.SetNormalizeFunc(aliasTimeoutFlag)
 }
 
@@ -97,11 +93,6 @@ func service(cmd *cobra.Command, args []string) error {
 		Command: cmd,
 	}
 
-	if srvArgs.Varlink {
-		opts.Timeout = time.Duration(srvArgs.Timeout) * time.Millisecond
-		return registry.ContainerEngine().VarlinkService(registry.GetContext(), opts)
-	}
-
 	opts.Timeout = time.Duration(srvArgs.Timeout) * time.Second
 	return restService(opts, cmd.Flags(), registry.PodmanConfig())
 }
@@ -111,8 +102,7 @@ func resolveAPIURI(_url []string) (string, error) {
 	// 1) User input wins always
 	// 2) systemd socket activation
 	// 3) rootless honors XDG_RUNTIME_DIR
-	// 4) if varlink -- adapter.DefaultVarlinkAddress
-	// 5) lastly adapter.DefaultAPIAddress
+	// 4) lastly adapter.DefaultAPIAddress
 
 	if len(_url) == 0 {
 		if v, found := os.LookupEnv("PODMAN_SOCKET"); found {
@@ -134,16 +124,11 @@ func resolveAPIURI(_url []string) (string, error) {
 		}
 
 		socketName := "podman.sock"
-		if srvArgs.Varlink {
-			socketName = "io.podman"
-		}
 		socketPath := filepath.Join(xdg, "podman", socketName)
 		if err := os.MkdirAll(filepath.Dir(socketPath), 0700); err != nil {
 			return "", err
 		}
 		return "unix:" + socketPath, nil
-	case srvArgs.Varlink:
-		return registry.DefaultVarlinkAddress, nil
 	default:
 		if err := os.MkdirAll(filepath.Dir(registry.DefaultRootAPIPath), 0700); err != nil {
 			return "", err
diff --git a/cmd/podman/system/varlink.go b/cmd/podman/system/varlink.go
deleted file mode 100644
index 363ac9cca..000000000
--- a/cmd/podman/system/varlink.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// +build linux,!remote
-
-package system
-
-import (
-	"time"
-
-	"github.com/containers/common/pkg/completion"
-	"github.com/containers/podman/v2/cmd/podman/registry"
-	"github.com/containers/podman/v2/pkg/domain/entities"
-	"github.com/spf13/cobra"
-)
-
-var (
-	varlinkDescription = `Run varlink interface.  Podman varlink listens on the specified unix domain socket for incoming connects.
-
-  Tools speaking varlink protocol can remotely manage pods, containers and images.
-`
-	varlinkCmd = &cobra.Command{
-		Use:               "varlink [options] [URI]",
-		Args:              cobra.MinimumNArgs(1),
-		Short:             "Run varlink interface",
-		Long:              varlinkDescription,
-		RunE:              varlinkE,
-		ValidArgsFunction: completion.AutocompleteDefault,
-		Deprecated:        "Please see 'podman system service' for RESTful APIs",
-		Hidden:            true,
-		Example: `podman varlink unix:/run/podman/io.podman
-  podman varlink --time 5000 unix:/run/podman/io.podman`,
-	}
-	varlinkArgs = struct {
-		Timeout int64
-	}{}
-)
-
-func init() {
-	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
-		Command: varlinkCmd,
-	})
-	flags := varlinkCmd.Flags()
-
-	timeFlagName := "time"
-	flags.Int64VarP(&varlinkArgs.Timeout, timeFlagName, "t", 1000, "Time until the varlink session expires in milliseconds.  Use 0 to disable the timeout")
-	_ = varlinkCmd.RegisterFlagCompletionFunc(timeFlagName, completion.AutocompleteNone)
-
-	flags.SetNormalizeFunc(aliasTimeoutFlag)
-}
-
-func varlinkE(cmd *cobra.Command, args []string) error {
-	uri := registry.DefaultVarlinkAddress
-	if len(args) > 0 {
-		uri = args[0]
-	}
-	opts := entities.ServiceOptions{
-		URI:     uri,
-		Timeout: time.Duration(varlinkArgs.Timeout) * time.Second,
-		Command: cmd,
-	}
-	return registry.ContainerEngine().VarlinkService(registry.GetContext(), opts)
-}
-- 
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