go-event | Go-event is a simple event system | Microservice library
kandi X-RAY | go-event Summary
kandi X-RAY | go-event Summary
Go-event is a simple event system.
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Top functions reviewed by kandi - BETA
- New returns a new Dispatcher .
- Has returns true if a key exists .
- Remove removes named sources .
- StopPropagation stops the event .
- On executes function on globalSource .
- Go runs go code .
- List returns list of all sources
go-event Key Features
go-event Examples and Code Snippets
package main
import (
"fmt"
"github.com/AlexanderGrom/go-event"
)
type (
Listener interface {
Name() string
Handle(e event.Eventer) error
}
)
// ...
type (
fooEvent struct {
event.Event
i, j i
e := event.New()
e.On("my.event.name.1", func() error {
fmt.Println("Fire event")
return nil
})
e.On("my.event.name.2", func(text string) error {
fmt.Println("Fire", text)
return nil
})
e.On("my.event.name.3", func(i, j int) error {
Community Discussions
Trending Discussions on go-event
QUESTION
Okay, the title is quite mouthful. But it's actually describing the situation.
I deployed a service on GKE in namespace argo-events. Something was wrong with it so I tore it down:
...ANSWER
Answered 2021-May-28 at 06:01By using command $ kubectl get all
you will only print a few resources like:
- pod
- service
- daemonset
- deployment
- replicaset
- statefulset
- job
- cronjobs
It won't print all resources which can be found when you will use $ kubectl api-resources
.
Example
When create PV
from PersistentVolume documentation it won't be listed in $ kubectl get all
output, but it will be listed if you will specify this resource.
QUESTION
I have a WorkflowTemplate "nyc-test-template" which I trigger via Argo Events and PubSub. So, if I publish a message {}
into the PubSub topic "argo-events-nyc" the template specified via a workflowTempateRef
is started. That does work just fine. Now I want to parameterize the to be started template.
My not-working draft looks as follows:
...ANSWER
Answered 2021-Mar-29 at 18:12You can use when
to toggle which template to use depending on a parameter.
Suppose I have two simple WorkflowTemplates like these:
QUESTION
resource "google_pubsub_topic" "topic" {
name = "argo-events"
}
resource "google_service_account" "argo_events_pubsub_publish" {
account_id = "pubsub-publish"
}
resource "google_project_iam_member" "argo_events_pubsub_publish" {
role = "roles/pubsub.editor"
member = "serviceAccount:${google_service_account.argo_events_pubsub_publish.email}"
}
...ANSWER
Answered 2021-Mar-14 at 14:17There are a couple of ways to attach a policy to a topic or a subscription. Interestingly the approach is not generic but specific to what resource you want to bind to (in this case a pubsub topic) and there are at least three ways how to do it:
- https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/pubsub_topic_iam
- https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/pubsub_subscription_iam
In this case a solution could look like this:
QUESTION
This question is a follow up of: How to list really all objects of a nonexistant namespace?
Long story short:
...ANSWER
Answered 2021-Mar-03 at 09:30This worked:
QUESTION
When I create a LoadBalancer like this:
...ANSWER
Answered 2021-Mar-02 at 12:33In fact, this problem has already been reported some time ago on Google's public issue tracker and it's currently under investigation:
Problem you have encountered:
I created a Deployment and a LoadBalancer Service as described in the official docs
Notice the LoadBalancer service is annotated with
networking.gke.io/load-balancer-type: "Internal"
What you expected to happen:
I expected to see this service listed as
Internal Load Balancer
in theServices & Ingress
view of the GCP console.Instead it is listed as an
External Load Balancer
. (See attachment)Going to the specific load balancer in the
Load Balancing
view shows it as Internal.Steps to reproduce:
Just follow the docs and head to the
Services & Ingress
view in the console.
And the answer from GCP support, confirming that they were also able to reproduce the issue and are analyzing it at the moment:
Hello,
Thank you for reaching out.
I've managed to reproduce the same scenario that you've included in your message.
I forwarded this information to the Engineering team.
Please follow this issue in case of any further updates.
Best regards
So if you are interested in progressing on this issue, feel free to follow this thread for further updates.
QUESTION
I'd like to add an A-type DNS name on GCP with the following Terraform code:
...ANSWER
Answered 2021-Feb-25 at 16:30The Standard Network Tier doesn't use the Google global fiber network and use the "standard internet", locally to the region. If you use global address, the address is globally reachable and thus you need to use the premium network tier to access to this feature.
more details here
In your case, you have to update the project configuration to Premium Network Tier. You can achieve this with Terraform
QUESTION
I'm currently trying to create my first Cucumber tests. In Java Eclipse I have created a 'Feature file' with the following content:
...ANSWER
Answered 2019-May-31 at 12:29I have solved the issue myself by adding the following line in the @cucumberoptions of my Runner file: junit = "--step-notifications" . After adding this line in the runner file, my testssteps also appear in the Junit result. Question can be closed
QUESTION
I am trying to generate a valid SAS token (shared access signatures) to connect to the Azure IoT Hub, but I keep getting the error Connection refused: Not authorized
when using the token.
I know the way I am connecting is working because when using a SAS token generated with the Microsoft Device Explorer (https://github.com/Azure/azure-iot-sdk-csharp/tree/master/tools/DeviceExplorer) it works as expected.
To write the Javascript code I started from this documentation https://docs.microsoft.com/en-us/azure/storage/common/storage-dotnet-shared-access-signature-part-1 comparing with some working implementations:
- in Python: https://github.com/Azure/azure-sdk-for-python/blob/master/azure-servicebus/azure/servicebus/servicebusservice.py
- in Go/Golang: https://github.com/openenergi/go-event-hub/blob/master/msauth/sasl.go
What am I doing wrong in the following Javascript implementation? I think it may be related to the SHA256 signature combined with URL escaping the string but I am not sure how to test/verify this.
...ANSWER
Answered 2018-Aug-08 at 03:43Here is an example of generating SAS token via node.js.
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