Add pullPolicy to run container model (#253)

Signed-off-by: Simon Emms <simon@simonemms.com>

Author: mrsimonemms

model/task_run.go

@@ -46,6 +46,7 @@ type Container struct {
 	Environment map[string]string      `json:"environment,omitempty"`
 	Input       string                 `json:"stdin,omitempty"`
 	Arguments   []string               `json:"arguments,omitempty"`
+	PullPolicy  string                 `json:"pullPolicy,omitempty" validate:"oneof=ifNotPresent always never"`
 	Lifetime    *ContainerLifetime     `json:"lifetime,omitempty"`
 }
 

model/task_run_test.go

@@ -50,6 +50,7 @@ func TestRunTask_MarshalJSON(t *testing.T) {
 					"arg1",
 					"arg2",
 				},
+				PullPolicy: "always",
 				Lifetime: &ContainerLifetime{
 					Cleanup: "eventually",
 					After:   NewDurationExpr("20s"),
@@ -77,6 +78,7 @@ func TestRunTask_MarshalJSON(t *testing.T) {
 				"environment": {"ENV_VAR": "value"},
 				"stdin": "example-input",
 				"arguments": ["arg1","arg2"],
+				"pullPolicy": "always",
 				"lifetime": {
 					"cleanup": "eventually",
 					"after": "20s"