From e0847f5457edfdeb17dad259f1cd06b1d4cec93e Mon Sep 17 00:00:00 2001
From: Jhon Honce <jhonce@redhat.com>
Date: Thu, 2 Apr 2020 15:58:23 -0700
Subject: 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>
---
 pkg/domain/infra/abi/system.go | 78 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

(limited to 'pkg/domain/infra/abi/system.go')

diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go
index 8aaa69847..2df11cc1b 100644
--- a/pkg/domain/infra/abi/system.go
+++ b/pkg/domain/infra/abi/system.go
@@ -4,10 +4,88 @@ package abi
 
 import (
 	"context"
+	"net"
+	"strings"
 
 	"github.com/containers/libpod/libpod/define"
+	api "github.com/containers/libpod/pkg/api/server"
+	"github.com/containers/libpod/pkg/domain/entities"
+	iopodman "github.com/containers/libpod/pkg/varlink"
+	iopodmanAPI "github.com/containers/libpod/pkg/varlinkapi"
+	"github.com/containers/libpod/version"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"github.com/varlink/go/varlink"
 )
 
 func (ic *ContainerEngine) Info(ctx context.Context) (*define.Info, error) {
 	return ic.Libpod.Info()
 }
+
+func (ic *ContainerEngine) RestService(_ context.Context, opts entities.ServiceOptions) error {
+	var (
+		listener net.Listener
+		err      error
+	)
+
+	if opts.URI != "" {
+		fields := strings.Split(opts.URI, ":")
+		if len(fields) == 1 {
+			return errors.Errorf("%s is an invalid socket destination", opts.URI)
+		}
+		address := strings.Join(fields[1:], ":")
+		listener, err = net.Listen(fields[0], address)
+		if err != nil {
+			return errors.Wrapf(err, "unable to create socket %s", opts.URI)
+		}
+	}
+
+	server, err := api.NewServerWithSettings(ic.Libpod, opts.Timeout, &listener)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err := server.Shutdown(); err != nil {
+			logrus.Warnf("Error when stopping API service: %s", err)
+		}
+	}()
+
+	err = server.Serve()
+	logrus.Debugf("%d/%d Active connections/Total connections\n", server.ActiveConnections, server.TotalConnections)
+	_ = listener.Close()
+	return err
+}
+
+func (ic *ContainerEngine) VarlinkService(_ context.Context, opts entities.ServiceOptions) error {
+	var varlinkInterfaces = []*iopodman.VarlinkInterface{
+		iopodmanAPI.New(opts.Command, ic.Libpod),
+	}
+
+	service, err := varlink.NewService(
+		"Atomic",
+		"podman",
+		version.Version,
+		"https://github.com/containers/libpod",
+	)
+	if err != nil {
+		return errors.Wrapf(err, "unable to create new varlink service")
+	}
+
+	for _, i := range varlinkInterfaces {
+		if err := service.RegisterInterface(i); err != nil {
+			return errors.Errorf("unable to register varlink interface %v", i)
+		}
+	}
+
+	// Run the varlink server at the given address
+	if err = service.Listen(opts.URI, opts.Timeout); err != nil {
+		switch err.(type) {
+		case varlink.ServiceTimeoutError:
+			logrus.Infof("varlink service expired (use --timeout to increase session time beyond %s ms, 0 means never timeout)", opts.Timeout.String())
+			return nil
+		default:
+			return errors.Wrapf(err, "unable to start varlink service")
+		}
+	}
+	return nil
+}
-- 
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