diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt index e8397e1ab2..e9e15e9978 100644 --- a/.github/actions/spelling/expect.txt +++ b/.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 diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml index deff6d1333..530eebc73c 100644 --- a/.github/workflows/CI.yaml +++ b/.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 diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml index 32ba146029..db3a2a6843 100644 --- a/.github/workflows/golangci-lint.yml +++ b/.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 diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index 501ec34c7d..bfc38d7d19 100644 --- a/.github/workflows/release.yml +++ b/.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 diff --git a/.gitignore b/.gitignore index b15d0270da..1b606fafde 100644 --- a/.gitignore +++ b/.gitignore @@ -52,3 +52,6 @@ readme-generator-for-helm/ **helm_tests_output.yaml /docs/site + +# keptn-gateway bin +keptn-gateway/keptn-gateway diff --git a/keptn-gateway/Dockerfile b/keptn-gateway/Dockerfile new file mode 100644 index 0000000000..2b8fd1fe2a --- /dev/null +++ b/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"] diff --git a/keptn-gateway/Makefile b/keptn-gateway/Makefile new file mode 100644 index 0000000000..19024a39b0 --- /dev/null +++ b/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 diff --git a/keptn-gateway/cmd/api/main.go b/keptn-gateway/cmd/api/main.go new file mode 100644 index 0000000000..4f834a1d82 --- /dev/null +++ b/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() +} diff --git a/keptn-gateway/go.mod b/keptn-gateway/go.mod new file mode 100644 index 0000000000..93f58425e2 --- /dev/null +++ b/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 +) diff --git a/keptn-gateway/go.sum b/keptn-gateway/go.sum new file mode 100644 index 0000000000..d1101dd64b --- /dev/null +++ b/keptn-gateway/go.sum @@ -0,0 +1,247 @@ +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0= +github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4= +github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM= +github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU= +github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= +github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y= +github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w= +github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg= +github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= +github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= +github.com/evanphx/json-patch v5.6.0+incompatible h1:jBYDEEiFBPxA0v50tFdvOzQQTCvpL6mnFh5mB2/l16U= +github.com/evanphx/json-patch v5.6.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk= +github.com/evanphx/json-patch/v5 v5.6.0 h1:b91NhWfaz02IuVxO9faSllyAtNXHMPkC5J8sJCLunww= +github.com/evanphx/json-patch/v5 v5.6.0/go.mod h1:G79N1coSVB93tBe7j6PhzjmR3/2VvlbKOFpnXhI9Bw4= +github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY= +github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw= +github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0= 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v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo= +sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08= +sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= +sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= diff --git a/keptn-gateway/internal/gateway/gateway.go b/keptn-gateway/internal/gateway/gateway.go new file mode 100644 index 0000000000..6c9743f4a8 --- /dev/null +++ b/keptn-gateway/internal/gateway/gateway.go @@ -0,0 +1,82 @@ +package gateway + +import ( + "fmt" + "net/http" + "os" + "os/signal" + "path/filepath" + "strconv" + "syscall" + "time" + + _ "github.com/joho/godotenv/autoload" + "go.uber.org/zap" + "k8s.io/client-go/kubernetes" + "k8s.io/client-go/rest" + "k8s.io/client-go/tools/clientcmd" + "k8s.io/client-go/util/homedir" +) + +type Gateway struct { + port int + logger *zap.Logger + client *kubernetes.Clientset + server *http.Server +} + +func NewGateway() *Gateway { + port, _ := strconv.Atoi(os.Getenv("PORT")) + if port == 0 { + port = 8080 + } + + // kubernetes clientset in cluster + config, err := rest.InClusterConfig() + if err != nil { + // if error fallback to .kube/config + home := homedir.HomeDir() + kubeconfig := filepath.Join(home, ".kube", "config") + config, err = clientcmd.BuildConfigFromFlags("", kubeconfig) + if err != nil { + panic(err.Error()) + } + } + + client, err := kubernetes.NewForConfig(config) + if err != nil { + panic(err.Error()) + } + + gateway := &Gateway{ + port: port, + logger: zap.Must(zap.NewDevelopment()), + server: &http.Server{ + Addr: fmt.Sprintf(":%d", port), + Handler: RegisterRoutes(client), + IdleTimeout: time.Minute, + ReadTimeout: 10 * time.Second, + WriteTimeout: 30 * time.Second, + }, + } + return gateway +} + +func (gw *Gateway) Serve() error { + go func() { + gw.logger.Info("server starting") + if err := gw.server.ListenAndServe(); err != http.ErrServerClosed { + panic(err) + } + }() + + c := make(chan os.Signal, 2) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) + + <-c // block until signal received + + gw.logger.Info("shutting down") + gw.server.Shutdown(nil) + + return nil +} diff --git a/keptn-gateway/internal/gateway/routes.go b/keptn-gateway/internal/gateway/routes.go new file mode 100644 index 0000000000..4f0d1045c4 --- /dev/null +++ b/keptn-gateway/internal/gateway/routes.go @@ -0,0 +1,60 @@ +package gateway + +import ( + "math/rand" + "net/http" + "time" + + "github.com/gin-contrib/cors" + "github.com/gin-gonic/gin" + "go.uber.org/zap" + "k8s.io/client-go/kubernetes" +) + +type RouteConfig struct { + client *kubernetes.Clientset + logger *zap.Logger +} + +func RegisterRoutes(client *kubernetes.Clientset) http.Handler { + rc := RouteConfig{ + client: client, + logger: zap.Must(zap.NewDevelopment()), + } + + r := gin.Default() + + r.Use(cors.New(cors.Config{ + AllowOrigins: []string{"*"}, + AllowMethods: []string{"GET"}, + AllowHeaders: []string{"Origin"}, + ExposeHeaders: []string{"Content-Length"}, + AllowCredentials: true, + MaxAge: 12 * time.Hour, + })) + + r.GET("/namespace/:namespace/keptnapp/:keptnapp/resources", rc.ResourcePanelHandler) + r.GET("/namespace/:namespace/keptnapp/:keptnapp/health", rc.HealthHandler) + + return r +} + +func (rc *RouteConfig) ResourcePanelHandler(c *gin.Context) { + namespace := c.Param("namespace") + keptnapp := c.Param("keptnapp") + + resp := make(map[string]string) + resp["namespace"] = namespace + resp["keptnapp"] = keptnapp + + c.JSON(http.StatusOK, resp) +} + +func (rc *RouteConfig) HealthHandler(c *gin.Context) { + _ = c.Param("namespace") + _ = c.Param("keptnapp") + + // Demo implementation + responses := []string{"Healthy", "Unhealthy", "Warning", "Progressing"} + c.String(http.StatusOK, responses[rand.Intn(len(responses))]) +} diff --git a/keptn-gateway/internal/gateway/routes_test.go b/keptn-gateway/internal/gateway/routes_test.go new file mode 100644 index 0000000000..c4e91496fd --- /dev/null +++ b/keptn-gateway/internal/gateway/routes_test.go @@ -0,0 +1,25 @@ +package gateway + +import ( + "github.com/gin-gonic/gin" + "net/http" + "net/http/httptest" + "testing" +) + +func TestHelloWorldHandler(t *testing.T) { + s := &Gateway{} + r := gin.New() + r.GET("/", s.HealthHandler) + req, err := http.NewRequest("GET", "/", nil) + if err != nil { + t.Fatal(err) + } + rr := httptest.NewRecorder() + + r.ServeHTTP(rr, req) + + if status := rr.Code; status != http.StatusOK { + t.Errorf("Handler returned wrong status code: got %v want %v", status, http.StatusOK) + } +}