// Report logs the error to the Logger.
func (h *LogReporter) Report(ctx context.Context, err error) error {
switch err := err.(type) {
case *Error:
var line *BacktraceLine
if len(err.Backtrace) > 0 {
line = err.Backtrace[0]
} else {
line = &BacktraceLine{
File: "unknown",
Line: 0,
}
}
logger.Error(ctx, "", "error", fmt.Sprintf(`"%v"`, err), "line", line.Line, "file", line.File)
default:
logger.Error(ctx, "", "error", fmt.Sprintf(`"%v"`, err))
}
return nil
}
// Handle handles a single sqs.Message to perform the provisioning.
func (c *CustomResourceProvisioner) Handle(ctx context.Context, message *sqs.Message) error {
var m Message
err := json.Unmarshal([]byte(*message.Body), &m)
if err != nil {
return fmt.Errorf("error unmarshalling sqs message body: %v", err)
}
var req customresources.Request
err = json.Unmarshal([]byte(m.Message), &req)
if err != nil {
return fmt.Errorf("error unmarshalling to cloudformation request: %v", err)
}
logger.Info(ctx, "cloudformation.provision.request",
"request_id", req.RequestId,
"stack_id", req.StackId,
"request_type", req.RequestType,
"resource_type", req.ResourceType,
"logical_resource_id", req.LogicalResourceId,
"physical_resource_id", req.PhysicalResourceId,
)
resp := customresources.NewResponseFromRequest(req)
// CloudFormation is weird. PhysicalResourceId is required when creating
// a resource, but if the creation fails, how would we have a physical
// resource id? In cases where a Create request fails, we set the
// physical resource id to `failed/Create`. When a delete request comes
// in to delete that resource, we just send back a SUCCESS response so
// CloudFormation is happy.
if req.RequestType == customresources.Delete && req.PhysicalResourceId == fmt.Sprintf("failed/%s", customresources.Create) {
resp.PhysicalResourceId = req.PhysicalResourceId
} else {
resp.PhysicalResourceId, resp.Data, err = c.provision(ctx, m, req)
}
// Allow provisioners to just return "" to indicate that the physical
// resource id did not change.
if resp.PhysicalResourceId == "" && req.PhysicalResourceId != "" {
resp.PhysicalResourceId = req.PhysicalResourceId
}
switch err {
case nil:
resp.Status = customresources.StatusSuccess
logger.Info(ctx, "cloudformation.provision.success",
"request_id", req.RequestId,
"stack_id", req.StackId,
"physical_resource_id", resp.PhysicalResourceId,
)
default:
// A physical resource id is required, so if a Create request
// fails, and there's no physical resource id, CloudFormation
// will only say `Invalid PhysicalResourceId` in the status
// Reason instead of the actual error that caused the Create to
// fail.
if req.RequestType == customresources.Create && resp.PhysicalResourceId == "" {
resp.PhysicalResourceId = fmt.Sprintf("failed/%s", req.RequestType)
}
resp.Status = customresources.StatusFailed
resp.Reason = err.Error()
logger.Error(ctx, "cloudformation.provision.error",
"request_id", req.RequestId,
"stack_id", req.StackId,
"err", err.Error(),
)
}
return c.sendResponse(req, resp)
}