V2 podman system service

* Added support for system service
* Enabled linting on the varlinkapi source, needed to support V2
  service command
* Added support for PODMAN_SOCKET

Skip linting deprecated code

Rather than introduce bugs by correcting deprecated code, linting the
code is being skipped. Code that is being ported into V2 is being
checked.

Signed-off-by: Jhon Honce <jhonce@redhat.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/cmd/podmanV2/system/varlink.go b/cmd/podmanV2/system/varlink.go
new file mode 100644
index 000000000..da9af6fe4
--- /dev/null
+++ b/cmd/podmanV2/system/varlink.go
@@ -0,0 +1,56 @@
+package system
+
+import (
+	"time"
+
+	"github.com/containers/libpod/cmd/podmanV2/registry"
+	"github.com/containers/libpod/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 [flags] [URI]",
+		Args:    cobra.MinimumNArgs(1),
+		Short:   "Run varlink interface",
+		Long:    varlinkDescription,
+		PreRunE: preRunE,
+		RunE:    varlinkE,
+		Example: `podman varlink unix:/run/podman/io.podman
+  podman varlink --timeout 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,
+	})
+	varlinkCmd.SetHelpTemplate(registry.HelpTemplate())
+	varlinkCmd.SetUsageTemplate(registry.UsageTemplate())
+
+	flags := varlinkCmd.Flags()
+	flags.Int64VarP(&varlinkArgs.Timeout, "time", "t", 1000, "Time until the varlink session expires in milliseconds.  Use 0 to disable the timeout")
+	flags.Int64Var(&varlinkArgs.Timeout, "timeout", 1000, "Time until the varlink session expires in milliseconds.  Use 0 to disable the timeout")
+
+}
+
+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)
+}