feat: initial custom analysis server mode (#1205)

* chore: initial custom analysis

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: saving the missing stuff

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: removed redundant error handling

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: missing piece of the custom analysis response

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

---------

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>
Signed-off-by: AlexsJones <alexsimonjones@gmail.com>

go.mod

@@ -29,8 +29,8 @@ require github.com/adrg/xdg v0.4.0
 
 require (
 	buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc-ecosystem/gateway/v2 v2.20.0-20240406062209-1cc152efbf5c.1
-	buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.3.0-20240406062209-1cc152efbf5c.3
+	buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.4.0-20240720172138-1b9bcd834f17.2
-	buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240717144446-c4efcc29ff16.2
+	buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240720172138-1b9bcd834f17.2
 	cloud.google.com/go/storage v1.43.0
 	cloud.google.com/go/vertexai v0.7.1
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.6.0
@@ -261,3 +261,4 @@ require (
 // v1.2.0 is taken from github.com/open-policy-agent/opa v0.42.0
 // v1.2.0 incompatible with github.com/docker/docker v23.0.0-rc.1+incompatible
 //replace oras.land/oras-go => oras.land/oras-go v1.2.4
+replace github.com/docker/docker => github.com/docker/docker v27.1.1+incompatible

go.sum

@@ -8,12 +8,13 @@ atomicgo.dev/schedule v0.1.0 h1:nTthAbhZS5YZmgYbb2+DH8uQIZcTlIrd4eYr3UQxEjs=
 atomicgo.dev/schedule v0.1.0/go.mod h1:xeUa3oAkiuHYh8bKiQBRojqAMq3PXXbJujjb0hw8pEU=
 buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc-ecosystem/gateway/v2 v2.20.0-20240406062209-1cc152efbf5c.1 h1:0x36l6ETxg5YDlfFTxSR+4SpL0bwLezTCUfGdcPUN44=
 buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc-ecosystem/gateway/v2 v2.20.0-20240406062209-1cc152efbf5c.1/go.mod h1:/n44w/baTCuEmDgCBgSxQ2GEiO7N645eKxLKbygzW4s=
-buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.3.0-20240406062209-1cc152efbf5c.3 h1:EiautHLlnNmBZdh1wFpmrSDvV4t8sucXGwV6vaE8Xuc=
 buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.3.0-20240406062209-1cc152efbf5c.3/go.mod h1:4QVX5iWdNcwSFhpXXIXwVH7qT/g9LKvxiqa0SvYJ9hE=
+buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.4.0-20240720172138-1b9bcd834f17.2 h1:/NS8lwYyuLPJqiI0q7IwqFnJeMjX0BJFmZCA7mTayjg=
+buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go v1.4.0-20240720172138-1b9bcd834f17.2/go.mod h1:3aZ3RYlHseQY62oAtqo5Oh5XN78nogunCXJQdxB2YO0=
 buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.0-20240406062209-1cc152efbf5c.1/go.mod h1:qFzoT6sNuRF9vPeDFmxd9KZ1YgU2vnnno5E5I0OUjOc=
 buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.1-20240406062209-1cc152efbf5c.1/go.mod h1:qEarbrHjaZEQ5GeUH6XqSqqJMvtPwAGFpAc0nkSBzrQ=
-buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240717144446-c4efcc29ff16.2 h1:INIYy743CJ4MEZu+O4by7oeC/m+a/l4HBk79FshPGBI=
+buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240720172138-1b9bcd834f17.2 h1:IGBeVvzzeoEl0Ck0uxWXIUn8/my/ZeBvQEIaXCLteOc=
-buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240717144446-c4efcc29ff16.2/go.mod h1:1wq1qVxvJkTEUQsF5/XjmhQYXYhbVoLSGhKnzS3ie54=
+buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go v1.34.2-20240720172138-1b9bcd834f17.2/go.mod h1:1wq1qVxvJkTEUQsF5/XjmhQYXYhbVoLSGhKnzS3ie54=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -1571,8 +1572,8 @@ github.com/docker/cli v26.1.4+incompatible h1:I8PHdc0MtxEADqYJZvhBrW9bo8gawKwwen
 github.com/docker/cli v26.1.4+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/distribution v2.8.3+incompatible h1:AtKxIZ36LoNK51+Z6RpzLpddBirtxJnzDrHLEKxTAYk=
 github.com/docker/distribution v2.8.3+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
-github.com/docker/docker v27.0.0+incompatible h1:JRugTYuelmWlW0M3jakcIadDx2HUoUO6+Tf2C5jVfwA=
+github.com/docker/docker v27.1.1+incompatible h1:hO/M4MtV36kzKldqnA37IWhebRA+LnqqcqDja6kVaKY=
-github.com/docker/docker v27.0.0+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v27.1.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker-credential-helpers v0.8.2 h1:bX3YxiGzFP5sOXWc3bTPEXdEaZSeVMrFgOr3T+zrFAo=
 github.com/docker/docker-credential-helpers v0.8.2/go.mod h1:P3ci7E3lwkZg6XiHdRKft1KckHiO9a2rNtyFbZ/ry9M=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=

pkg/analysis/analysis.go

@@ -160,6 +160,14 @@ func NewAnalysis(
 	return a, nil
 }
 
+func (a *Analysis) CustomAnalyzersAreAvailable() bool {
+	var customAnalyzers []custom.CustomAnalyzer
+	if err := viper.UnmarshalKey("custom_analyzers", &customAnalyzers); err != nil {
+		return false
+	}
+	return len(customAnalyzers) > 0
+}
+
 func (a *Analysis) RunCustomAnalysis() {
 	var customAnalyzers []custom.CustomAnalyzer
 	if err := viper.UnmarshalKey("custom_analyzers", &customAnalyzers); err != nil {
@@ -184,6 +192,12 @@ func (a *Analysis) RunCustomAnalysis() {
 			}
 
 			result, err := canClient.Run()
+			if result.Kind == "" {
+				// for custom analyzer name, we must use a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.',
+				//and must start and end with an alphanumeric character (e.g. 'example.com',
+				//regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')
+				result.Kind = cAnalyzer.Name
+			}
 			if err != nil {
 				mutex.Lock()
 				a.Errors = append(a.Errors, fmt.Sprintf("[%s] %s", cAnalyzer.Name, err))

pkg/server/analyze.go

@@ -1,10 +1,9 @@
 package server
 
 import (
+	schemav1 "buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go/schema/v1"
 	"context"
 	json "encoding/json"
-
-	schemav1 "buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go/schema/v1"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/analysis"
 )
 
@@ -39,6 +38,9 @@ func (h *handler) Analyze(ctx context.Context, i *schemav1.AnalyzeRequest) (
 	}
 	defer config.Close()
 
+	if config.CustomAnalyzersAreAvailable() {
+		config.RunCustomAnalysis()
+	}
 	config.RunAnalysis()
 
 	if i.Explain {

pkg/server/config.go

@@ -1,10 +1,11 @@
 package server
 
 import (
-	"context"
-
 	schemav1 "buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go/schema/v1"
+	"context"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/cache"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/custom"
+	"github.com/spf13/viper"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -27,6 +28,38 @@ func (h *handler) AddConfig(ctx context.Context, i *schemav1.AddConfigRequest) (
 		return resp, err
 	}
 
+	if i.CustomAnalyzers != nil {
+		// We need to add the custom analyzers to the viper config and save them
+		var customAnalyzers = make([]custom.CustomAnalyzer, 0)
+		if err := viper.UnmarshalKey("custom_analyzers", &customAnalyzers); err != nil {
+			return resp, err
+		} else {
+			// If there are analyzers are already in the config we will append the ones with new names
+			for _, ca := range i.CustomAnalyzers {
+				exists := false
+				for _, c := range customAnalyzers {
+					if c.Name == ca.Name {
+						exists = true
+						break
+					}
+				}
+				if !exists {
+					customAnalyzers = append(customAnalyzers, custom.CustomAnalyzer{
+						Name: ca.Name,
+						Connection: custom.Connection{
+							Url:  ca.Connection.Url,
+							Port: ca.Connection.Port,
+						},
+					})
+				}
+			}
+			// save the config
+			viper.Set("custom_analyzers", customAnalyzers)
+			if err := viper.WriteConfig(); err != nil {
+				return resp, err
+			}
+		}
+	}
 	if i.Cache != nil {
 		var err error
 		var remoteCache cache.CacheProvider