feature: add multi_step check type + runtime type to validate runtime…

… version before creating or updating a check [sc-17816] (#117)

checkly.go

@@ -190,6 +190,8 @@ func (c *client) CreateCheck(
 		checkType = "checks/api"
 	} else if check.Type == "HEARTBEAT" {
 		checkType = "checks/heartbeat"
+	} else if check.Type == "MULTI_STEP" {
+		checkType = "checks/multistep"
 	}
 	status, res, err := c.apiCall(
 		ctx,
@@ -1339,6 +1341,31 @@ func alertChannelFromJSON(response string) (*AlertChannel, error) {
 	return resultAc, nil
 }
 
+// Get a specific runtime specs
+func (c *client) GetRuntime(
+	ctx context.Context,
+	ID string,
+) (*Runtime, error) {
+	status, res, err := c.apiCall(
+		ctx,
+		http.MethodGet,
+		fmt.Sprintf("runtimes/%s", ID),
+		nil,
+	)
+	if err != nil {
+		return nil, err
+	}
+	if status != http.StatusOK {
+		return nil, fmt.Errorf("unexpected response status %d: %q", status, res)
+	}
+	result := Runtime{}
+	err = json.NewDecoder(strings.NewReader(res)).Decode(&result)
+	if err != nil {
+		return nil, fmt.Errorf("decoding error for data %s: %v", res, err)
+	}
+	return &result, nil
+}
+
 // dumpResponse writes the raw response data to the debug output, if set, or
 // standard error otherwise.
 func (c *client) dumpResponse(resp *http.Response) {

types.go

@@ -350,6 +350,12 @@ type Client interface {
 
 	// SetChecklySource sets the source of the check for analytics purposes.
 	SetChecklySource(source string)
+
+	// Get a specific runtime specs.
+	GetRuntime(
+		ctx context.Context,
+		ID string,
+	) (*Runtime, error)
 }
 
 // client represents a Checkly client. If the Debug field is set to an io.Writer
@@ -471,6 +477,34 @@ type Check struct {
 	DoubleCheck bool `json:"doubleCheck"`
 }
 
+// Check represents the parameters for an existing check.
+type MultiStepCheck struct {
+	ID                        string                     `json:"id"`
+	Name                      string                     `json:"name"`
+	Type                      string                     `json:"checkType"`
+	Frequency                 int                        `json:"frequency"`
+	FrequencyOffset           int                        `json:"frequencyOffset,omitempty"`
+	Activated                 bool                       `json:"activated"`
+	Muted                     bool                       `json:"muted"`
+	ShouldFail                bool                       `json:"shouldFail"`
+	Locations                 []string                   `json:"locations,omitempty"`
+	Script                    string                     `json:"script,omitempty"`
+	EnvironmentVariables      []EnvironmentVariable      `json:"environmentVariables"`
+	Tags                      []string                   `json:"tags,omitempty"`
+	AlertSettings             AlertSettings              `json:"alertSettings,omitempty"`
+	UseGlobalAlertSettings    bool                       `json:"useGlobalAlertSettings"`
+	GroupID                   int64                      `json:"groupId,omitempty"`
+	GroupOrder                int                        `json:"groupOrder,omitempty"`
+	AlertChannelSubscriptions []AlertChannelSubscription `json:"alertChannelSubscriptions,omitempty"`
+	CreatedAt                 time.Time                  `json:"createdAt"`
+	UpdatedAt                 time.Time                  `json:"updatedAt"`
+
+	// Pointers
+	PrivateLocations *[]string      `json:"privateLocations"`
+	RuntimeID        *string        `json:"runtimeId"`
+	RetryStrategy    *RetryStrategy `json:"retryStrategy,omitempty"`
+}
+
 type HeartbeatCheck struct {
 	ID                        string                     `json:"id"`
 	Name                      string                     `json:"name"`
@@ -858,6 +892,14 @@ type Location struct {
 	Region string `json:"region"`
 }
 
+type Runtime struct {
+	Name             string `json:"name"`
+	MultiStepSupport bool   `json:"multiStepSupport"`
+	Stage            string `json:"stage"`
+	RuntimeEndOfLife string `json:"runtimeEndOfLife"`
+	Description      string `json:"description"`
+}
+
 // SetConfig sets config of alert channel based on it's type
 func (a *AlertChannel) SetConfig(cfg interface{}) {
 	switch v := cfg.(type) {