From daca0800d4d078a568d001e42c018fecc141ad96 Mon Sep 17 00:00:00 2001
From: Pranav Gaikwad <pgaikwad@redhat.com>
Date: Wed, 23 Aug 2023 10:42:19 -0400
Subject: [PATCH] :ghost: update doc, demo output

Signed-off-by: Pranav Gaikwad <pgaikwad@redhat.com>
---
 Dockerfile                       |   2 +-
 README.md                        |  28 +++---
 cmd/analyzer/main.go             |   2 +-
 cmd/dep/main.go                  |  35 +++++---
 demo-dep-output.yaml             | 150 +++++++++++++++----------------
 demo.Dockerfile                  |   3 +-
 docs/labels.md                   |  29 ++++++
 docs/providers.md                |  12 ++-
 provider_container_settings.json |   1 +
 9 files changed, 157 insertions(+), 105 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 4bf82554..9ebf7dc5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,4 +34,4 @@ WORKDIR /analyzer-lsp
 
 EXPOSE 16686
 
-ENTRYPOINT ["sh", "-c", "all-in-one-linux & sleep 5 && konveyor-analyzer"]
+ENTRYPOINT ["sh", "-c", "all-in-one-linux &> /dev/null & sleep 5 && konveyor-analyzer"]
diff --git a/README.md b/README.md
index 8dabc3f4..daf14e98 100644
--- a/README.md
+++ b/README.md
@@ -39,18 +39,22 @@ go run cmd/analyzer/main.go
 CLI Options:
 
 ```sh
-  --analysis-mode string       Can be full or source-only to tell the providers what to analyze. If full, source code and all dependencies will be analyzed, if source-only, only the source code will be. This can be given on a per provider basis, but this flag will override those.
-  --provider-settings string   path to the provider settings (default "provider_settings.json")
-  --rules stringArray          filename or directory containing rule files (default [rule-example.yaml])
-  --output-file string         filepath to to store rule violations (default "output.yaml")
-  --label-selector string      an expression to select rules based on labels
-  --enable-jaeger              enable tracer exports to jaeger endpoint
-  --error-on-violation         exit with 3 if any violation are found will also print violations to console
-  --jaeger-endpoint string     jaeger endpoint to collect tracing data (default "http://localhost:14268/api/traces")
-  --no-dependency-rules        Disable dependency analysis rules
-  --limit-incidents int        Set this to the limit incidents that a given rule can give. zero means no limit (default 1500)
-  --limit-code-snips int       limit the number code snippets that are retrieved for a file while evaluating a rule, 0 means no limit (default 20)
-  --verbose int                level for logging output (default 9)
+Flags:
+      --analysis-mode string        select one of full or source-only to tell the providers what to analyize. This can be given on a per provider setting, but this flag will override
+      --context-lines int           When violation occurs, A part of source code is added to the output, So this flag configures the number of source code lines to be printed to the output. (default 10)
+      --dep-label-selector string   an expression to select dependencies based on labels. This will filter out the violations from these dependencies as well these dependencies when matching dependency conditions
+      --enable-jaeger               enable tracer exports to jaeger endpoint (default true)
+      --error-on-violation          exit with 3 if any violation are found will also print violations to console
+  -h, --help                        help for analyze
+      --jaeger-endpoint string      jaeger endpoint to collect tracing data (default "http://localhost:14268/api/traces")
+      --label-selector string       an expression to select rules based on labels
+      --limit-code-snips int        limit the number code snippets that are retrieved for a file while evaluating a rule, 0 means no limit (default 20)
+      --limit-incidents int         Set this to the limit incidents that a given rule can give, zero means no limit (default 1500)
+      --no-dependency-rules         Disable dependency analysis rules
+      --output-file string          filepath to to store rule violations (default "output.yaml")
+      --provider-settings string    path to the provider settings (default "provider_settings.json")
+      --rules stringArray           filename or directory containing rule files (default [rule-example.yaml])
+      --verbose int                 level for logging output (default 9)
 ```
 
 * See [label selector](./docs/labels.md#label-selector) for more info on `--label-selector` option.
diff --git a/cmd/analyzer/main.go b/cmd/analyzer/main.go
index 97b4e87a..945fd333 100644
--- a/cmd/analyzer/main.go
+++ b/cmd/analyzer/main.go
@@ -55,7 +55,7 @@ func init() {
 	rootCmd.Flags().StringVar(&labelSelector, "label-selector", "", "an expression to select rules based on labels")
 	rootCmd.Flags().StringVar(&depLabelSelector, "dep-label-selector", "", "an expression to select dependencies based on labels. This will filter out the violations from these dependencies as well these dependencies when matching dependency conditions")
 	rootCmd.Flags().IntVar(&logLevel, "verbose", 9, "level for logging output")
-	rootCmd.Flags().BoolVar(&enableJaeger, "enable-jaeger", true, "enable tracer exports to jaeger endpoint")
+	rootCmd.Flags().BoolVar(&enableJaeger, "enable-jaeger", false, "enable tracer exports to jaeger endpoint")
 	rootCmd.Flags().StringVar(&jaegerEndpoint, "jaeger-endpoint", "http://localhost:14268/api/traces", "jaeger endpoint to collect tracing data")
 	rootCmd.Flags().IntVar(&limitIncidents, "limit-incidents", 1500, "Set this to the limit incidents that a given rule can give, zero means no limit")
 	rootCmd.Flags().IntVar(&limitCodeSnips, "limit-code-snips", 20, "limit the number code snippets that are retrieved for a file while evaluating a rule, 0 means no limit")
diff --git a/cmd/dep/main.go b/cmd/dep/main.go
index c49fb01b..42afa665 100644
--- a/cmd/dep/main.go
+++ b/cmd/dep/main.go
@@ -52,6 +52,15 @@ func main() {
 		os.Exit(1)
 	}
 
+	var labelSelector *labels.LabelSelector[*konveyor.Dep]
+	if depLabelSelector != "" {
+		labelSelector, err = labels.NewLabelSelector[*konveyor.Dep](depLabelSelector)
+		if err != nil {
+			log.Error(err, "invalid label selector")
+			os.Exit(1)
+		}
+	}
+
 	ctx, cancelFunc := context.WithCancel(context.Background())
 	defer cancelFunc()
 
@@ -87,6 +96,7 @@ func main() {
 
 	var depsFlat []konveyor.DepsFlatItem
 	var depsTree []konveyor.DepsTreeItem
+	var provErr error
 	for name, prov := range providers {
 		if !provider.HasCapability(prov.Capabilities(), "dependency") {
 			log.Info("provider does not have dependency capability", "provider", name)
@@ -97,6 +107,7 @@ func main() {
 			deps, err := prov.GetDependenciesDAG()
 			if err != nil {
 				log.Error(err, "failed to get list of dependencies for provider", "provider", name)
+				provErr = fmt.Errorf("%w", provErr)
 				continue
 			}
 			for u, ds := range deps {
@@ -110,18 +121,17 @@ func main() {
 			deps, err := prov.GetDependencies()
 			if err != nil {
 				log.Error(err, "failed to get list of dependencies for provider", "provider", name)
+				provErr = fmt.Errorf("%w", provErr)
 				continue
 			}
 			for u, ds := range deps {
 				newDeps := ds
-				if depLabelSelector != "" {
-					l, err := labels.NewLabelSelector[*konveyor.Dep](depLabelSelector)
+				if labelSelector != nil {
+					newDeps, err = labelSelector.MatchList(ds)
 					if err != nil {
-						panic(err)
-					}
-					newDeps, err = l.MatchList(ds)
-					if err != nil {
-						panic(err)
+						log.Error(err, "error matching label selector on deps")
+						provErr = fmt.Errorf("%w", provErr)
+						continue
 					}
 				}
 				depsFlat = append(depsFlat, konveyor.DepsFlatItem{
@@ -133,8 +143,13 @@ func main() {
 		}
 	}
 
-	if depsFlat == nil && depsTree == nil {
-		log.Info("failed to get dependencies from all given providers")
+	// stop providers before exiting
+	for _, prov := range providers {
+		prov.Stop()
+	}
+
+	if provErr != nil {
+		log.Error(provErr, "failed running dependency analysis")
 		os.Exit(1)
 	}
 
@@ -162,8 +177,6 @@ func main() {
 		}
 	}
 
-	fmt.Printf("%s", string(b))
-
 	err = os.WriteFile(outputFile, b, 0644)
 	if err != nil {
 		log.Error(err, "failed to write dependencies to output file", "file", outputFile)
diff --git a/demo-dep-output.yaml b/demo-dep-output.yaml
index 64b83b00..74d432fd 100644
--- a/demo-dep-output.yaml
+++ b/demo-dep-output.yaml
@@ -342,7 +342,7 @@
     type: compile
     resolvedIdentifier: 9cb217a3d5b640567ed7c6e8c11f389613c81c4d
     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/org/postgresql/postgresql/42.2.23
   - name: org.checkerframework.checker-qual
@@ -351,7 +351,7 @@
     indirect: true
     resolvedIdentifier: 2f50520c8abea66fbd8d26e481d3aef5c673b510
     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/org/checkerframework/checker-qual/3.5.0
   - name: com.oracle.database.jdbc.ojdbc8
@@ -359,7 +359,7 @@
     type: compile
     resolvedIdentifier: 50044485aea10afd7defeee8109c5195b4d3cae2
     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/oracle/database/jdbc/ojdbc8/21.1.0.0
   - name: ch.qos.logback.logback-classic
@@ -367,7 +367,7 @@
     type: compile
     resolvedIdentifier: 9865cf6994f9ff13fce0bf93f2054ef6c65bb462
     labels:
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     prefix: konveyor-jdt://contents/root/.m2/repository/ch/qos/logback/logback-classic/1.1.7
   - name: ch.qos.logback.logback-core
@@ -376,7 +376,7 @@
     indirect: true
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     labels:
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     prefix: konveyor-jdt://contents/root/.m2/repository/ch/qos/logback/logback-core/1.1.7
   - name: org.hibernate.validator.hibernate-validator
@@ -384,7 +384,7 @@
     type: compile
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     labels:
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/hibernate/validator/hibernate-validator/6.2.0.Final
   - name: jakarta.validation.jakarta.validation-api
@@ -393,7 +393,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/jakarta/validation/jakarta.validation-api/2.0.2
   - name: com.fasterxml.classmate
@@ -402,7 +402,7 @@
     indirect: true
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     labels:
-    - konveyor.io/dep-source=internal
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/classmate/1.5.1
   - name: org.hibernate.hibernate-entitymanager
@@ -410,7 +410,7 @@
     type: compile
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     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/hibernate/hibernate-entitymanager/5.4.32.Final
   - name: org.jboss.logging.jboss-logging
@@ -419,7 +419,7 @@
     indirect: true
     resolvedIdentifier: 40fd4d696c55793e996d1ff3c475833f836c2498
     labels:
-    - konveyor.io/dep-source=internal
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/jboss/logging/jboss-logging/3.4.1.Final
   - name: org.hibernate.hibernate-core
@@ -428,7 +428,7 @@
     indirect: true
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     labels:
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/hibernate/hibernate-core/5.4.32.Final
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@@ -437,7 +437,7 @@
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   - name: antlr.antlr
@@ -447,7 +447,7 @@
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       83cd2cd674a217ade95a4bb83a8a14f351f48bd0  /home/maven/repository-staging/to-ibiblio/maven2/antlr/antlr/2.7.7/antlr-2.7.7.jar
     labels:
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+    - konveyor.io/dep-source=open-source
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@@ -465,7 +465,7 @@
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   - name: org.slf4j.jul-to-slf4j
@@ -652,7 +652,7 @@
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   - name: org.springframework.boot.spring-boot-actuator-autoconfigure
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.5.0
   - name: org.springframework.boot.spring-boot-actuator
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   - name: io.micrometer.micrometer-core
@@ -706,7 +706,7 @@
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   - name: org.hdrhistogram.HdrHistogram
@@ -715,7 +715,7 @@
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   - name: org.latencyutils.LatencyUtils
@@ -724,7 +724,7 @@
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   - name: org.springframework.spring-web
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/springframework/spring-web/5.3.7
   - name: org.springframework.spring-webmvc
@@ -740,7 +740,7 @@
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   - name: org.springframework.spring-expression
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   - name: org.springframework.spring-jdbc
@@ -757,7 +757,7 @@
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   - name: org.springframework.data.spring-data-jpa
@@ -765,7 +765,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/springframework/data/spring-data-jpa/2.5.1
   - name: org.springframework.data.spring-data-commons
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   - name: org.springframework.spring-context
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   - name: org.springframework.spring-aop
@@ -801,7 +801,7 @@
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   - name: org.springframework.spring-tx
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   - name: org.springframework.spring-beans
@@ -819,7 +819,7 @@
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   - name: org.springframework.spring-jcl
@@ -837,7 +837,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/springframework/spring-jcl/5.3.7
   - name: org.aspectj.aspectjrt
@@ -846,7 +846,7 @@
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-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/org/aspectj/aspectjrt/1.9.6
   - name: org.slf4j.slf4j-api
@@ -855,7 +855,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/slf4j/slf4j-api/1.7.26
   - name: com.fasterxml.jackson.core.jackson-databind
@@ -863,7 +863,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.12.3
   - name: com.fasterxml.jackson.core.jackson-annotations
@@ -872,7 +872,7 @@
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   - name: com.fasterxml.jackson.core.jackson-core
@@ -880,7 +880,7 @@
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   - name: org.apache.tomcat.tomcat-servlet-api
@@ -888,7 +888,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/apache/tomcat/tomcat-servlet-api/9.0.46
 - fileURI: file:///analyzer-lsp/examples/java/pom.xml
@@ -926,7 +926,7 @@
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+    - konveyor.io/dep-source=open-source
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.13.3
   - name: io.fabric8.kubernetes-model-rbac
@@ -1097,7 +1097,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/slf4j/slf4j-api/1.7.36
   - name: com.fasterxml.jackson.dataformat.jackson-dataformat-yaml
@@ -1106,7 +1106,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/dataformat/jackson-dataformat-yaml/2.13.3
   - name: org.yaml.snakeyaml
@@ -1115,7 +1115,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/org/yaml/snakeyaml/1.30
   - name: com.fasterxml.jackson.datatype.jackson-datatype-jsr310
@@ -1124,7 +1124,7 @@
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+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.13.3
   - name: com.fasterxml.jackson.core.jackson-databind
@@ -1133,7 +1133,7 @@
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     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.13.3
   - name: com.fasterxml.jackson.core.jackson-core
@@ -1142,7 +1142,7 @@
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     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.13.3
   - name: io.fabric8.kubernetes-client
@@ -1168,7 +1168,7 @@
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-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/com/squareup/okhttp3/okhttp/3.12.12
   - name: com.squareup.okio.okio
@@ -1177,7 +1177,7 @@
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     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/com/squareup/okio/okio/1.15.0
   - name: com.squareup.okhttp3.logging-interceptor
@@ -1186,7 +1186,7 @@
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-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/com/squareup/okhttp3/logging-interceptor/3.12.12
   - name: io.fabric8.zjsonpatch
@@ -1203,7 +1203,7 @@
     type: test
     resolvedIdentifier: 4e031bb61df09069aeb2bffb4019e7a5034a4ee0
     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/junit/junit/4.11
   - name: org.hamcrest.hamcrest-core
@@ -1212,6 +1212,6 @@
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     labels:
-    - konveyor.io/dep-source=internal
+    - konveyor.io/dep-source=open-source
     - konveyor.io/language=java
     prefix: konveyor-jdt://contents/root/.m2/repository/org/hamcrest/hamcrest-core/1.3
diff --git a/demo.Dockerfile b/demo.Dockerfile
index 23b21a79..a27d708b 100644
--- a/demo.Dockerfile
+++ b/demo.Dockerfile
@@ -4,8 +4,7 @@ WORKDIR /analyzer-lsp
 
 COPY rule-example.yaml /analyzer-lsp/rule-example.yaml
 COPY examples /analyzer-lsp/examples
-COPY open-source-libs.txt /analyzer-lsp/open-source-libs.txt
 
 EXPOSE 16686
 
-ENTRYPOINT ["sh", "-c", "all-in-one-linux & sleep 5 && konveyor-analyzer && curl -o traces.json http://localhost:16686/api/traces?service=analyzer-lsp"]
+ENTRYPOINT ["sh", "-c", "all-in-one-linux &> /dev/null & sleep 5 && konveyor-analyzer --enable-jaeger && curl -o traces.json http://localhost:16686/api/traces?service=analyzer-lsp"]
diff --git a/docs/labels.md b/docs/labels.md
index 561b322f..023dd357 100644
--- a/docs/labels.md
+++ b/docs/labels.md
@@ -75,3 +75,32 @@ To group sub-expressions and control precedence using `(` and `)`:
 ```sh
 --label-selector="(key1=val1 || key2=val2) && !val3"
 ```
+
+## Dependency Labels
+
+The analyzer engine adds labels on dependencies. These labels provide additional information about a dependency such as whether it's open-source or internal, programming language, etc. 
+
+Currenty, analyzer adds following labels on dependencies:
+
+```yaml
+labels:
+- konveyor.io/dep-source=internal
+- konveyor.io/language=java
+```
+
+### Dependency Label Selector
+
+Analyzer CLI accepts `--dep-label-selector` option that allows filtering-in / filtering-out incidents generated from a dependency based on the labels.
+
+For instance, analyzer adds `konveyor.io/dep-source` label on dependencies with a value that identifies whether the dependency is a known open source dependency or not. To exclude incidents for all such open-source dependencies, `--dep-label-selector` can be used as:
+
+```sh
+konveyor-analyzer ... --dep-label-selector !konveyor.io/dep-source=open-source
+```
+
+The Java provider in analyzer also takes a list of packages to add an exclude label. To exclude all such packages, `--dep-label-selector` can be used as:
+
+```sh
+konveyor-analyzer ... --dep-label-selector !konveyor.io/exclude
+```
+
diff --git a/docs/providers.md b/docs/providers.md
index 71c0e5a3..491b0fd9 100644
--- a/docs/providers.md
+++ b/docs/providers.md
@@ -80,7 +80,11 @@ Here's an example config for `java` provider that is currently in-tree and does
                 "bundles": "/path/to/extension/bundles",
                 "workspace": "/path/to/workspace",
                 "depOpenSourceLabelsFile": "/usr/local/etc/maven.default.index",
-                "mavenSettingsFile": "/path/to/maven/settings/file"
+                "mavenSettingsFile": "/path/to/maven/settings/file",
+                "excludePackages": [
+                    "package1.test",
+                    "package2.test"
+                ],
             }
         }
     ]
@@ -95,9 +99,11 @@ The `java` provider also takes following options in `providerSpecificConfig`:
 
 * `workspace`: Path to directory where the provider generates debug information such as logs.
 
-* `depOpenSourceLabelsFile`: Path to a text file, that contains the regex's per line to be added as open-source dependencies.
+* `depOpenSourceLabelsFile`: Path to a text file, that contains the regex's per line to be added as open-source dependencies. The base image already contains a default file at `/usr/local/etc/maven.default.index`.
 
-* `mavenSettingsFile`: Path to maven settings file (settings.xml) to use
+* `mavenSettingsFile`: Path to maven settings file (settings.xml) to use.
+
+* `excludePackages`: List of dependency packages on which to add exclude label.
 
 #### Builtin Provider
 
diff --git a/provider_container_settings.json b/provider_container_settings.json
index fae1f37b..c1988a1f 100644
--- a/provider_container_settings.json
+++ b/provider_container_settings.json
@@ -29,6 +29,7 @@
                 "location": "examples/customers-tomcat-legacy",
                 "providerSpecificConfig": {
                     "lspServerPath": "/jdtls/bin/jdtls",
+                    "depOpenSourceLabelsFile": "/usr/local/etc/maven.default.index",
                     "bundles": "/jdtls/java-analyzer-bundle/java-analyzer-bundle.core/target/java-analyzer-bundle.core-1.0.0-SNAPSHOT.jar"
                 },
                 "analysisMode": "source-only"