✨ LFX: Extend use-case of detecting deprecated Kubernetes API usage

Dockerfile

@@ -1,24 +1,27 @@
 FROM golang:1.19 as builder
 WORKDIR /analyzer-lsp
 
-COPY  cmd /analyzer-lsp/cmd
-COPY  engine /analyzer-lsp/engine
-COPY  output /analyzer-lsp/output
-COPY  jsonrpc2 /analyzer-lsp/jsonrpc2
-COPY  lsp /analyzer-lsp/lsp
-COPY  parser /analyzer-lsp/parser
-COPY  provider /analyzer-lsp/provider
-COPY  tracing /analyzer-lsp/tracing
-COPY  external-providers /analyzer-lsp/external-providers
-COPY  go.mod /analyzer-lsp/go.mod
-COPY  go.sum /analyzer-lsp/go.sum
-COPY  Makefile /analyzer-lsp/Makefile
+COPY cmd /analyzer-lsp/cmd
+COPY engine /analyzer-lsp/engine
+COPY output /analyzer-lsp/output
+COPY jsonrpc2 /analyzer-lsp/jsonrpc2
+COPY lsp /analyzer-lsp/lsp
+COPY parser /analyzer-lsp/parser
+COPY provider /analyzer-lsp/provider
+COPY tracing /analyzer-lsp/tracing
+COPY external-providers /analyzer-lsp/external-providers
+COPY go.mod /analyzer-lsp/go.mod
+COPY go.sum /analyzer-lsp/go.sum
+COPY Makefile /analyzer-lsp/Makefile
 
 RUN make build
 
+# Add yq to the build stage
+FROM docker.io/mikefarah/yq as yq-builder
+
+# Continue with the rest of the Dockerfile
 FROM jaegertracing/all-in-one:latest AS jaeger-builder
 
-# The unofficial base image w/ jdtls and gopls installed
 FROM quay.io/konveyor/jdtls-server-base
 
 RUN microdnf install gcc-c++ python-devel python3-devel -y
@@ -27,9 +30,12 @@ RUN python3 -m pip install python-lsp-server
 
 COPY --from=jaeger-builder /go/bin/all-in-one-linux /usr/bin/
 
+COPY --from=yq-builder /usr/bin/yq /usr/bin/yq
+
 COPY --from=builder /analyzer-lsp/konveyor-analyzer /usr/bin/konveyor-analyzer
 COPY --from=builder /analyzer-lsp/konveyor-analyzer-dep /usr/bin/konveyor-analyzer-dep
 COPY --from=builder /analyzer-lsp/external-providers/generic-external-provider/generic-external-provider /usr/bin/generic-external-provider
+COPY --from=builder /analyzer-lsp/external-providers/yq-external-provider/yq-external-provider /usr/bin/yq-external-provider
 COPY --from=builder /analyzer-lsp/external-providers/golang-dependency-provider/golang-dependency-provider /usr/bin/golang-dependency-provider
 
 COPY provider_container_settings.json /analyzer-lsp/provider_settings.json

Makefile

@@ -1,6 +1,6 @@
 DOCKER_IMAGE = test
 
-build: analyzer deps external-generic golang-dependency-provider
+build: analyzer deps external-generic golang-dependency-provider yq-external-provider
 
 analyzer:
 	go build -o konveyor-analyzer ./cmd/analyzer/main.go
@@ -11,6 +11,9 @@ external-generic:
 golang-dependency-provider:
 	( cd external-providers/golang-dependency-provider && go mod edit -replace=github.com/konveyor/analyzer-lsp=../../ && go mod tidy && go build -o golang-dependency-provider main.go)
 
+yq-external-provider:
+	( cd external-providers/yq-external-provider && go mod edit -replace=github.com/konveyor/analyzer-lsp=../../ && go mod tidy && go build -o yq-external-provider main.go)
+
 deps:
 	go build -o konveyor-analyzer-dep ./cmd/dep/main.go
 

cmd/analyzer/main.go

@@ -217,7 +217,7 @@ func main() {
 	if err != nil {
 		log.Error(err, "error writing output file", "file", outputViolations)
 		os.Exit(1) // Treat the error as a fatal error
-	}	
+	}
 }
 
 func validateFlags() error {

demo-output.yaml

@@ -309,6 +309,34 @@
         variables:
           name: junit.junit
           version: "4.11"
+    k8s-deprecated-api-001:
+      description: Check for usage of deprecated Kubernetes API versions
+      category: potential
+      incidents:
+      - uri: file:///analyzer-lsp/examples/yaml/k8s.yaml
+        message: Deprecated/removed Kubernetes API version 'extensions/v1beta1' is used for 'Deployment'. Consider using 'apps/v1'.
+        lineNumber: 16
+        variables:
+          apiVersion: extensions/v1beta1
+          deprecated-in: v1.9.0
+          kind: Deployment
+          removed-in: v1.16.0
+          replacement-API: apps/v1
+      effort: 2
+    k8s-deprecated-api-002:
+      description: Check for usage of deprecated Kubernetes API versions
+      category: potential
+      incidents:
+      - uri: file:///analyzer-lsp/examples/yaml/k8s.yaml
+        message: Deprecated Kubernetes API version 'apps/v1beta1' is used for 'StatefulSet'. Consider using 'apps/v1'.
+        lineNumber: 38
+        variables:
+          apiVersion: extensions/v1beta1
+          deprecated-in: v1.9.0
+          kind: ReplicaSet
+          removed-in: v1.16.0
+          replacement-API: apps/v1
+      effort: 2
     lang-ref-001:
       description: ""
       category: potential

examples/yaml/k8s.yaml

@@ -0,0 +1,56 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: example-service
+spec:
+  selector:
+    app: example-app
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+  type: ClusterIP
+
+---
+
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: example-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: example-app
+  template:
+    metadata:
+      labels:
+        app: example-app
+    spec:
+      containers:
+      - name: example-container
+        image: nginx:latest
+        ports:
+        - containerPort: 80
+
+---
+
+apiVersion: extensions/v1beta1
+kind: ReplicaSet
+metadata:
+  name: example-replicaset
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: example-app
+  template:
+    metadata:
+      labels:
+        app: example-app
+    spec:
+      containers:
+      - name: example-container
+        image: nginx:latest
+        ports:
+        - containerPort: 80

external-providers/generic-external-provider/pkg/generic/provider.go

@@ -46,6 +46,7 @@ type referenceCondition struct {
 }
 
 func (p *genericProvider) Init(ctx context.Context, log logr.Logger, c provider.InitConfig) (provider.ServiceClient, error) {
+
 	if c.AnalysisMode != provider.FullAnalysisMode {
 		return nil, fmt.Errorf("only full analysis is supported")
 	}

external-providers/yq-external-provider/go.mod

@@ -0,0 +1,41 @@
+module github.com/konveyor/yq-external-provider
+
+go 1.19
+
+require (
+	github.com/bombsimon/logrusr/v3 v3.1.0
+	github.com/getkin/kin-openapi v0.118.0
+	github.com/go-logr/logr v1.2.4
+	github.com/konveyor/analyzer-lsp v0.3.0-alpha.3.0.20230915135621-94f04595688b
+	github.com/sirupsen/logrus v1.9.3
+	go.lsp.dev/uri v0.3.0
+	gopkg.in/yaml.v2 v2.4.0
+)
+
+require (
+	github.com/PaesslerAG/gval v1.2.2 // indirect
+	github.com/cbroglie/mustache v1.4.0 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/swag v0.19.5 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/invopop/yaml v0.1.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
+	github.com/perimeterx/marshmallow v1.1.4 // indirect
+	github.com/shopspring/decimal v1.3.1 // indirect
+	go.opentelemetry.io/otel v1.11.2 // indirect
+	go.opentelemetry.io/otel/exporters/jaeger v1.11.2 // indirect
+	go.opentelemetry.io/otel/sdk v1.11.2 // indirect
+	go.opentelemetry.io/otel/trace v1.11.2 // indirect
+	golang.org/x/mod v0.8.0
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
+	google.golang.org/grpc v1.54.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

external-providers/yq-external-provider/go.sum

@@ -0,0 +1,110 @@
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external-providers/yq-external-provider/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/bombsimon/logrusr/v3"
+	"github.com/konveyor/analyzer-lsp/provider"
+	"github.com/konveyor/yq-external-provider/pkg/yq_provider"
+	"github.com/sirupsen/logrus"
+)
+
+var (
+	port = flag.Int("port", 0, "Port must be set")
+)
+
+func main() {
+
+	flag.Parse()
+	logrusLog := logrus.New()
+	logrusLog.SetOutput(os.Stdout)
+	logrusLog.SetFormatter(&logrus.TextFormatter{})
+	// need to do research on mapping in logrusr to level here TODO
+	logrusLog.SetLevel(logrus.Level(5))
+
+	log := logrusr.New(logrusLog)
+
+	client := yq_provider.NewYqProvider()
+
+	if port == nil || *port == 0 {
+		panic(fmt.Errorf("must pass in the port for the external provider"))
+	}
+
+	s := provider.NewServer(client, *port, log)
+	ctx := context.TODO()
+	s.Start(ctx)
+}