feat: keptn-gateway service init

.github/actions/spelling/expect.txt

@@ -82,6 +82,7 @@ changefreq
 Chans
 Checkmarx
 clientgoscheme
+clientset
 cloudevents
 clt
 clusterrole
@@ -408,6 +409,7 @@ Meha
 mergo
 metricsapi
 metricscontroller
+metricscount
 metricskeptnsh
 metricsobject
 metricsprovider
@@ -539,6 +541,8 @@ remediations
 replicasets
 replicationcontrollers
 resourcereference
+restapi
+returnval
 Rexed
 rgb
 RLock

.github/workflows/CI.yaml

@@ -89,6 +89,8 @@ jobs:
             folder: "scheduler/"
           - name: "certificate-operator"
             folder: "keptn-cert-manager/"
+          - name: "keptn-gateway"
+            folder: "keptn-gateway/"
     steps:
       - name: Check out code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
@@ -138,6 +140,8 @@ jobs:
             folder: "runtimes/python-runtime/"
           - name: "certificate-operator"
             folder: "keptn-cert-manager/"
+          - name: "keptn-gateway"
+            folder: "keptn-gateway/"
     steps:
       - name: Check out code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

.github/workflows/golangci-lint.yml

@@ -39,6 +39,8 @@ jobs:
             folder: "scheduler/"
           - name: "certificate-operator"
             folder: "keptn-cert-manager/"
+          - name: "keptn-gateway"
+            folder: "keptn-gateway/"
     steps:
       - name: Check out code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

.github/workflows/release.yml

@@ -19,7 +19,17 @@ env:
   # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
   CONTROLLER_TOOLS_VERSION: "v0.15.0"
   SCHEDULER_COMPATIBLE_K8S_VERSION: "v0.24.3"
-  PUBLISHABLE_ITEMS: '[".","lifecycle-operator","metrics-operator","keptn-cert-manager","runtimes/deno-runtime","runtimes/python-runtime","scheduler"]'
+  PUBLISHABLE_ITEMS: >
+    [
+      ".",
+      "lifecycle-operator",
+      "metrics-operator",
+      "keptn-cert-manager",
+      "runtimes/deno-runtime",
+      "runtimes/python-runtime",
+      "scheduler", 
+      "keptn-gateway
+    ]
 
 jobs:
   release-please:
@@ -101,6 +111,7 @@ jobs:
                     case "lifecycle-operator":
                     case "scheduler":
                     case "metrics-operator":
+                    case "keptn-gateway":
                         releaseMatrix.push({
                             name: item,
                             folder: item,
@@ -180,6 +191,7 @@ jobs:
           temp="${temp##deno-runtime-}"
           temp="${temp##scheduler-}"
           temp="${temp##lifecycle-operator-}"
+          temp="${temp##keptn-gateway-}"
           echo "IMAGE_TAG=${temp##metrics-operator-}" >> "$GITHUB_OUTPUT"
 
       - name: Build Docker Image

.gitignore

@@ -52,3 +52,6 @@ readme-generator-for-helm/
 **helm_tests_output.yaml
 
 /docs/site
+
+# keptn-gateway bin
+keptn-gateway/keptn-gateway

keptn-gateway/Dockerfile

@@ -0,0 +1,53 @@
+FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 AS builder
+
+ENV CGO_ENABLED=0
+
+WORKDIR /keptn-gateway
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY cmd ./cmd
+COPY internal ./internal
+
+ARG RELEASE_VERSION
+ARG GIT_HASH
+ARG BUILD_TIME
+ARG TARGETOS
+ARG TARGETARCH
+
+RUN GOOS="$TARGETOS" GOARCH="$TARGETARCH" go build -ldflags "\
+  -X main.gitCommit=${GIT_HASH} \
+  -X main.buildTime=${BUILD_TIME} \
+  -X main.buildVersion=${RELEASE_VERSION} \
+  -w" \
+  -o bin/keptn-gateway ./cmd/api/main.go
+
+FROM gcr.io/distroless/static-debian11:debug-nonroot AS debug
+
+LABEL org.opencontainers.image.source="https://github.com/keptn/lifecycle-toolkit" \
+  org.opencontainers.image.url="https://keptn.sh" \
+  org.opencontainers.image.title="Keptn Gateway" \
+  org.opencontainers.image.vendor="Keptn" \
+  org.opencontainers.image.licenses="Apache-2.0"
+
+COPY --from=builder /keptn-gateway/bin/keptn-gateway /bin/keptn-gateway
+
+WORKDIR /bin
+
+CMD ["keptn-gateway"]
+
+FROM gcr.io/distroless/static-debian11:nonroot AS production
+
+LABEL org.opencontainers.image.source="https://github.com/keptn/lifecycle-toolkit" \
+  org.opencontainers.image.url="https://keptn.sh" \
+  org.opencontainers.image.title="Keptn Gateway" \
+  org.opencontainers.image.vendor="Keptn" \
+  org.opencontainers.image.licenses="Apache-2.0"
+
+COPY --from=builder /keptn-gateway/bin/keptn-gateway /bin/keptn-gateway
+USER 65532:65532
+
+WORKDIR /bin
+
+CMD ["keptn-gateway"]

keptn-gateway/Makefile

@@ -0,0 +1,49 @@
+# Simple Makefile for a Go project
+
+# Build the application
+all: build
+
+build:
+	@echo "Building..."
+
+
+	@go build -o keptn-gateway cmd/api/main.go
+
+# Run the application
+run:
+	@go run cmd/api/main.go
+
+
+
+# Test the application
+test:
+	@echo "Testing..."
+	@go test ./... -v
+
+
+
+# Clean the binary
+clean:
+	@echo "Cleaning..."
+	@rm -f main
+
+# Live Reload
+
+watch:
+	@if command -v air > /dev/null; then \
+            air; \
+            echo "Watching...";\
+        else \
+            read -p "Go's 'air' is not installed on your machine. Do you want to install it? [Y/n] " choice; \
+            if [ "$$choice" != "n" ] && [ "$$choice" != "N" ]; then \
+                go install github.com/air-verse/air@latest; \
+                air; \
+                echo "Watching...";\
+            else \
+                echo "You chose not to install air. Exiting..."; \
+                exit 1; \
+            fi; \
+        fi
+
+
+.PHONY: all build run test clean watch

keptn-gateway/cmd/api/main.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"keptn.sh/keptn-gateway/internal/gateway"
+)
+
+func main() {
+	gw := gateway.NewGateway()
+	gw.Serve()
+}

keptn-gateway/go.mod

@@ -0,0 +1,87 @@
+module keptn.sh/keptn-gateway
+
+go 1.22.5
+
+require (
+	github.com/gin-contrib/cors v1.7.2
+	github.com/gin-gonic/gin v1.10.0
+	github.com/joho/godotenv v1.5.1
+	github.com/keptn/lifecycle-toolkit/metrics-operator v0.0.0-20240805065043-2dbcd0b00232
+	go.uber.org/zap v1.27.0
+	k8s.io/client-go v0.29.7
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
+	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/imdario/mergo v0.3.13 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.18.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.47.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.24.0 // indirect
+	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/oauth2 v0.20.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/term v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/api v0.30.3 // indirect
+	k8s.io/apiextensions-apiserver v0.28.12 // indirect
+	k8s.io/apimachinery v0.30.3 // indirect
+	k8s.io/component-base v0.28.12 // indirect
+	k8s.io/klog/v2 v2.120.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
+	k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect
+	sigs.k8s.io/controller-runtime v0.16.6 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
+)