Trello gateway (argoproj#193)

* feature(): adding trello gateway

* feat(): update trello gateway

* feat(): update trello gateway

DEPENDENCIES.md

@@ -23,3 +23,6 @@
 |     cloud.google.com/go      |     Apache-2.0          |
 |     colinmarc/hdfs           |     MIT                 |
 |     jcmturner/gokrb5         |     Apache-2.0          |
+|     adlio/trello             |     MIT                 |
+|     aws/aws-sdk-go           |     Apache-2.0          |
+

Gopkg.toml

@@ -13,6 +13,10 @@ required = [
   "gopkg.in/src-d/go-git.v4"
 ]
 
+[[constraint]]
+  name = "github.com/adlio/trello"
+  branch = "master"
+
 [[constraint]]
   name = "k8s.io/code-generator"
   branch = "release-1.10"

Makefile

@@ -255,6 +255,16 @@ sqs-image: sqs-linux
 	docker build -t $(IMAGE_PREFIX)aws-sqs-gateway:$(IMAGE_TAG) -f ./gateways/community/aws-sqs/Dockerfile .
     @if [ "$(DOCKER_PUSH)" = "true" ] ; then  docker push $(IMAGE_PREFIX)aws-sqs-gateway:$(IMAGE_TAG) ; fi
 
+trello:
+	go build -v -ldflags '${LDFLAGS}' -o ${DIST_DIR}/trello-gateway ./gateways/community/trello/cmd
+
+trello-linux:
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 make trello
+
+trello-image: trello-linux
+	docker build -t $(IMAGE_PREFIX)trello-gateway:$(IMAGE_TAG) -f ./gateways/community/trello/Dockerfile .
+	@if [ "$(DOCKER_PUSH)" = "true" ] ; then  docker push $(IMAGE_PREFIX)trello-gateway:$(IMAGE_TAG) ; fi
+
 test:
 	go test $(shell go list ./... | grep -v /vendor/) -race -short -v
 

examples/gateways/trello-gateway-configmap.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: trello-gateway-configmap
+data:
+  notification_1: |-
+    endpoint: "/"
+    port: "9600"
+    apiKey:
+      name: trello-secret
+      key: apikey
+    token:
+      name trello-secret
+      key: tokenkey
+    url: "URL_TO_REGISTER"
+    description: "test webhook"

examples/gateways/trello.yaml

@@ -0,0 +1,35 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Gateway
+metadata:
+  name: trello-gateway
+  labels:
+    gateways.argoproj.io/gateway-controller-instanceid: argo-events
+    gateway-name: "trello-gateway"
+spec:
+  processorPort: "9330"
+  eventProtocol:
+    type: "HTTP"
+    http:
+      port: "9300"
+  deploySpec:
+    metadata:
+      name: "trello-gateway"
+      labels:
+        gateway-name: "trello-gateway"
+    spec:
+      containers:
+        - name: "gateway-client"
+          image: "argoproj/gateway-client"
+          imagePullPolicy: "Always"
+          command: ["/bin/gateway-client"]
+        - name: "trello-events"
+          image: "argoproj/trello-gateway"
+          imagePullPolicy: "Always"
+          command: ["/bin/trello-gateway"]
+      serviceAccountName: "argo-events-sa"
+  configMap: "trello-gateway-configmap"
+  type: "trello"
+  eventVersion: "1.0"
+  watchers:
+    sensors:
+      - name: "trello-sensor"

examples/sensors/trello.yaml

@@ -0,0 +1,52 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Sensor
+metadata:
+  name: trello-sensor
+  labels:
+    sensors.argoproj.io/sensor-controller-instanceid: argo-events
+spec:
+  deploySpec:
+    containers:
+      - name: "sensor"
+        image: "argoproj/sensor"
+        imagePullPolicy: Always
+    serviceAccountName: argo-events-sa
+  eventProtocol:
+    type: "HTTP"
+    http:
+      port: "9300"
+  dependencies:
+    - name: "trello-gateway:notification_1"
+  triggers:
+    - name: trello-workflow
+      resource:
+        namespace: argo-events
+        group: argoproj.io
+        version: v1alpha1
+        kind: Workflow
+        parameters:
+          - src:
+              event: "trello-gateway:notification_1"
+            dest: spec.arguments.parameters.0.value
+        source:
+          inline: |
+            apiVersion: argoproj.io/v1alpha1
+            kind: Workflow
+            metadata:
+              generateName: trello-
+            spec:
+              entrypoint: whalesay
+              arguments:
+                parameters:
+                - name: message
+                  # this is the value that should be overridden
+                  value: hello world
+              templates:
+              - name: whalesay
+                inputs:
+                  parameters:
+                  - name: message
+                container:
+                  image: docker/whalesay:latest
+                  command: [cowsay]
+                  args: ["{{inputs.parameters.message}}"]

gateways/community/trello/Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY dist/trello-gateway /bin/
+ENTRYPOINT [ "/bin/trello-gateway" ]

gateways/community/trello/cmd/main.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2018 BlackRock, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"os"
+
+	"github.com/argoproj/argo-events/common"
+	"github.com/argoproj/argo-events/gateways"
+	"github.com/argoproj/argo-events/gateways/community/trello"
+	"k8s.io/client-go/kubernetes"
+)
+
+func main() {
+	kubeConfig, _ := os.LookupEnv(common.EnvVarKubeConfig)
+	restConfig, err := common.GetClientConfig(kubeConfig)
+	if err != nil {
+		panic(err)
+	}
+	clientset := kubernetes.NewForConfigOrDie(restConfig)
+	namespace, ok := os.LookupEnv(common.EnvVarGatewayNamespace)
+	if !ok {
+		panic("namespace is not provided")
+	}
+	gateways.StartGateway(&trello.TrelloEventSourceExecutor{
+		Log:       common.GetLoggerContext(common.LoggerConf()).Logger(),
+		Clientset: clientset,
+		Namespace: namespace,
+	})
+}

gateways/community/trello/config.go

@@ -0,0 +1,57 @@
+/*
+Copyright 2018 BlackRock, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trello
+
+import (
+	"github.com/ghodss/yaml"
+	"github.com/rs/zerolog"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+type TrelloEventSourceExecutor struct {
+	Log zerolog.Logger
+	// Clientset is kubernetes client
+	Clientset kubernetes.Interface
+	// Namespace where gateway is deployed
+	Namespace string
+}
+
+type trello struct {
+	// ApiKey for client
+	ApiKey *corev1.SecretKeySelector `json:"apiKey"`
+	// Token for client
+	Token *corev1.SecretKeySelector `json:"token"`
+	// Endpoint is REST API endpoint
+	Endpoint string `json:"endpoint"`
+	// Port to run the http server on
+	Port string `json:"port"`
+	// URL to register at trello
+	URL string `json:"url"`
+	// Description for webhook
+	// +optional
+	Description string `json:"description,omitempty"`
+}
+
+func parseEventSource(es string) (interface{}, error) {
+	var n *trello
+	err := yaml.Unmarshal([]byte(es), &n)
+	if err != nil {
+		return nil, err
+	}
+	return n, nil
+}