Update system connection to add to farm

A new --farm flag is being added to podman system connection
add so that when a new connection is added it can be added to a new
or existing farm. Update the code here to be able to do that.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

common/pkg/config/config_test.go

@@ -988,7 +988,7 @@ env=["foo=bar"]`
 		gomega.Expect(err).ToNot(gomega.HaveOccurred())
 		// config should only contain empty stanzas
 		gomega.Expect(string(b)).To(gomega.
-			Equal("[containers]\n\n[engine]\n\n[machine]\n\n[network]\n\n[secrets]\n\n[configmaps]\n"))
+			Equal("[containers]\n\n[engine]\n\n[machine]\n\n[network]\n\n[secrets]\n\n[configmaps]\n\n[farms]\n"))
 	})
 
 	It("validate ImageVolumeMode", func() {

common/pkg/ssh/connection_golang.go

@@ -64,6 +64,19 @@ func golangConnectionCreate(options ConnectionCreateOptions) error {
 	} else {
 		cfg.Engine.ServiceDestinations[options.Name] = *dst
 	}
+
+	// Create or update an existing farm with the connection being added
+	if options.Farm != "" {
+		if len(cfg.Farms.List) == 0 {
+			cfg.Farms.Default = options.Farm
+		}
+		if val, ok := cfg.Farms.List[options.Farm]; ok {
+			cfg.Farms.List[options.Farm] = append(val, options.Name)
+		} else {
+			cfg.Farms.List[options.Farm] = []string{options.Name}
+		}
+	}
+
 	return cfg.Write()
 }
 

common/pkg/ssh/types.go

@@ -24,6 +24,7 @@ type ConnectionCreateOptions struct {
 	Identity string
 	Socket   string
 	Default  bool
+	Farm     string
 }
 
 type ConnectionDialOptions struct {