feat(lbaas): support for controlling health check TLS verify (#240)

* support for health check tls verify

* fix lb svc tests and update fixtures

Author: thevilledev

upcloud/load_balancer.go

@@ -198,6 +198,7 @@ type LoadBalancerBackendMember struct {
 type LoadBalancerBackendProperties struct {
 	TimeoutServer             int                              `json:"timeout_server,omitempty"`
 	TimeoutTunnel             int                              `json:"timeout_tunnel,omitempty"`
+	HealthCheckTLSVerify      *bool                            `json:"health_check_tls_verify,omitempty"`
 	HealthCheckType           LoadBalancerHealthCheckType      `json:"health_check_type,omitempty"`
 	HealthCheckInterval       int                              `json:"health_check_interval,omitempty"`
 	HealthCheckFall           int                              `json:"health_check_fall,omitempty"`

upcloud/load_balancer_test.go

@@ -507,6 +507,7 @@ func TestLoadBalancerBackendProperties(t *testing.T) {
 		&LoadBalancerBackendProperties{
 			TimeoutServer:             30,
 			TimeoutTunnel:             3600,
+			HealthCheckTLSVerify:      BoolPtr(false),
 			HealthCheckType:           LoadBalancerHealthCheckTypeHTTP,
 			HealthCheckInterval:       20,
 			HealthCheckFall:           3,
@@ -521,6 +522,7 @@ func TestLoadBalancerBackendProperties(t *testing.T) {
 			"timeout_server": 30,
 			"timeout_tunnel": 3600,
 			"health_check_type": "http",
+			"health_check_tls_verify": false,
 			"health_check_interval": 20,
 			"health_check_fall": 3,
 			"health_check_rise": 3,