com.netflix.nebula.lint.rule.dependency.BypassedForcesRule.groovy Maven / Gradle / Ivy
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Pluggable and configurable linter tool for identifying and reporting on patterns of misuse or deprecations in Gradle scripts
package com.netflix.nebula.lint.rule.dependency
import com.netflix.nebula.lint.rule.GradleDependency
import com.netflix.nebula.lint.rule.GradleLintRule
import com.netflix.nebula.lint.rule.GradleModelAware
import groovy.transform.CompileStatic
import org.codehaus.groovy.ast.ClassNode
import org.codehaus.groovy.ast.expr.ArgumentListExpression
import org.codehaus.groovy.ast.expr.BinaryExpression
import org.codehaus.groovy.ast.expr.ClosureExpression
import org.codehaus.groovy.ast.expr.ConstantExpression
import org.codehaus.groovy.ast.expr.Expression
import org.codehaus.groovy.ast.expr.MethodCallExpression
import org.codehaus.groovy.ast.stmt.BlockStatement
import org.gradle.api.Project
import org.gradle.api.artifacts.Configuration
import org.gradle.api.artifacts.ModuleVersionIdentifier
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.DefaultVersionComparator
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.DefaultVersionSelectorScheme
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionParser
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionSelector
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import java.util.stream.Collectors
class BypassedForcesRule extends GradleLintRule implements GradleModelAware {
String description = 'remove bypassed forces and strict constraints. Works for static and ranged declarations'
Map> forcedDependenciesPerProject = new HashMap>()
private final DefaultVersionComparator VERSIONED_COMPARATOR = new DefaultVersionComparator()
private final VersionParser versionParser = new VersionParser()
private final DefaultVersionSelectorScheme VERSION_SCHEME = new DefaultVersionSelectorScheme(VERSIONED_COMPARATOR, versionParser)
private final Logger log = LoggerFactory.getLogger(BypassedForcesRule.class);
@Override
protected void beforeApplyTo() {
project.rootProject.allprojects { proj ->
forcedDependenciesPerProject.put(proj.name, new HashSet())
}
}
@Override
void visitGradleResolutionStrategyForce(MethodCallExpression call, String conf, Map forces) {
forces.each { dep, force ->
def top = dslStack().isEmpty() ? "" : dslStack().first()
def affectedProjects = determineAffectedProjects(call, top)
affectedProjects.each { affectedProject ->
forcedDependenciesPerProject.get(affectedProject.name).add(new ForcedDependency(dep, force, conf, 'dependency force'))
}
}
}
@Override
void visitAnyGradleDependency(MethodCallExpression call, String conf, GradleDependency dep) {
if (!call.arguments.metaClass.getMetaMethod('getExpressions')) {
return // short-circuit if there are no expressions
}
def top = dslStack().isEmpty() ? "" : dslStack().first()
def affectedProjects = determineAffectedProjects(call, top)
affectedProjects.each { affectedProject ->
handleForceInAClosure(call, conf, dep, affectedProject)
handleVersionConstraintWithStrictVersion(call, conf, dep, affectedProject)
}
}
private void handleForceInAClosure(MethodCallExpression call, String conf, GradleDependency dep, Project affectedProject) {
if (call.arguments.expressions
.findAll { it instanceof ClosureExpression }
.any { closureContainsForce(it as ClosureExpression) }) {
forcedDependenciesPerProject.get(affectedProject.name).add(new ForcedDependency(dep, call, conf, 'dependency force'))
}
}
private void handleVersionConstraintWithStrictVersion(MethodCallExpression call, String conf, GradleDependency dep, Project affectedProject) {
List>> versionConstraintsForAllExpressions = call.arguments.expressions
.findAll { it instanceof ClosureExpression }
.collect { gatherVersionConstraints(it as ClosureExpression) }
if (versionConstraintsForAllExpressions.size() > 0) {
versionConstraintsForAllExpressions.each { versionConstraints ->
if (versionConstraints.containsKey('strictly')) {
def strictlyValue = versionConstraints.get('strictly')
def forcedDependency = new ForcedDependency(dep, call, conf, 'strict version constraint')
forcedDependency.setStrictVersion(strictlyValue.first())
forcedDependenciesPerProject.get(affectedProject.name).add(forcedDependency)
}
}
}
}
@CompileStatic
@Override
void visitClassComplete(ClassNode node) {
Collection bypassedForces = new ArrayList()
forcedDependenciesPerProject.each { affectedProjectName, forcedDependencies ->
Project affectedProject = project.rootProject.allprojects.find { it.name == affectedProjectName }
if (forcedDependencies.size() > 0) {
findAllBypassedForcesFor(forcedDependencies, affectedProject).each { forcedDep ->
bypassedForces.add(new BypassedForce(forcedDep.dep, forcedDep, affectedProjectName))
}
}
}
bypassedForces
.groupBy { it.dep }
.each { dep, bypassedForcesByDep ->
Collection projectNames = bypassedForcesByDep.stream().map { bypassedForce -> bypassedForce.projectName }.collect(Collectors.toList())
BypassedForce exemplarBypassedForce = bypassedForcesByDep.first()
def updatedMessage = exemplarBypassedForce.forcedDependency.message + " for the affected project(s): ${projectNames.sort().join(', ')}"
addBuildLintViolation(updatedMessage, exemplarBypassedForce.forcedDependency.forceExpression)
}
}
private Collection findAllBypassedForcesFor(Collection forcedDependencies, Project affectedProject) {
Collection uniqueBypassedForcedDependencies = new ArrayList()
if (affectedProject.configurations.size() == 0) {
return uniqueBypassedForcedDependencies // short-circuit on any project with 0 configurations
}
DependencyService dependencyService = DependencyService.forProject(affectedProject)
def groupedForcedDependencies = forcedDependencies
.groupBy { it.declaredConfigurationName }
def resolvableAndResolvedConfigurations = dependencyService.resolvableAndResolvedConfigurations()
Collection bypassedForcedDependencies = new ArrayList()
groupedForcedDependencies.each { declaredConfigurationName, forcedDeps ->
if (declaredConfigurationName == 'all') {
resolvableAndResolvedConfigurations.each { configuration ->
bypassedForcedDependencies.addAll(collectDependenciesWithUnusedForces(configuration, forcedDeps))
}
} else {
Configuration declaredConfiguration = affectedProject.configurations.findByName(declaredConfigurationName)
if (declaredConfiguration != null) {
Configuration groupedResolvableConfiguration = dependencyService.findAndReplaceNonResolvableConfiguration(declaredConfiguration)
if (dependencyService.isResolvable(groupedResolvableConfiguration) && resolvableAndResolvedConfigurations.contains(groupedResolvableConfiguration)) {
bypassedForcedDependencies.addAll(collectDependenciesWithUnusedForces(groupedResolvableConfiguration, forcedDeps))
}
}
}
}
bypassedForcedDependencies.groupBy { it.dep }.each { _dep, forcedDependenciesByDep ->
forcedDependenciesByDep.groupBy { it.forceExpression }.each { _forceExpression, forcedDependenciesByDepAndForceExpression ->
if (forcedDependenciesByDepAndForceExpression.size() > 0) {
ForcedDependency exemplarForcedDep = forcedDependenciesByDepAndForceExpression.first()
uniqueBypassedForcedDependencies.add(exemplarForcedDep)
}
}
}
return uniqueBypassedForcedDependencies
}
@CompileStatic
private Collection collectDependenciesWithUnusedForces(Configuration configuration, Collection forcedDeps) {
Collection dependenciesWithUnusedForces = new ArrayList()
// inspect direct and transitive dependencies
Collection uniqueModuleIdentifiers = configuration.resolvedConfiguration.resolvedArtifacts
.stream()
.map {artifact -> artifact.moduleVersion }
.map { resolvedModuleVersion -> resolvedModuleVersion.id }
.collect(Collectors.toList())
.unique()
uniqueModuleIdentifiers
.each { resolvedDep ->
forcedDeps.each { forcedDependency ->
dependenciesWithUnusedForces.addAll(handleEachResolvedDependencyForcedDependency(forcedDependency, resolvedDep, configuration))
}
}
return dependenciesWithUnusedForces
}
private Collection handleEachResolvedDependencyForcedDependency(ForcedDependency forcedDependency, ModuleVersionIdentifier resolvedDep, Configuration configuration) {
Collection dependenciesWithUnusedForces = new ArrayList()
if (forcedDependency.dep.group == resolvedDep.module.group && forcedDependency.dep.name == resolvedDep.name) {
def expectedVersion = ''
if (forcedDependency.dep.version != null) {
expectedVersion = forcedDependency.dep.version
}
if (!forcedDependency.strictVersion.isEmpty()) {
expectedVersion = forcedDependency.strictVersion
}
VersionSelector versionSelector = VERSION_SCHEME.parseSelector(expectedVersion)
if (!expectedVersion.startsWith('$')
&& !expectedVersion.toString().contains(".+")
&& !expectedVersion.toString().contains("latest")
&& !versionSelector.accept(resolvedDep.version)) {
forcedDependency.resolvedConfigurations.add(configuration)
forcedDependency.message = "The ${forcedDependency.forceType} has been bypassed.\nRemove or update this value"
dependenciesWithUnusedForces.add(forcedDependency)
}
}
return dependenciesWithUnusedForces
}
private static Boolean closureContainsForce(ClosureExpression expr) {
return expr.code.statements.any {
(it.expression instanceof BinaryExpression) &&
((BinaryExpression) it.expression).leftExpression?.variable == 'force' &&
((BinaryExpression) it.expression).rightExpression?.value == true
}
}
private static Map> gatherVersionConstraints(ClosureExpression expr) {
def results = new HashMap>()
expr.code.statements.findAll { st ->
(st.expression instanceof MethodCallExpression) &&
((MethodCallExpression) st.expression)?.methodAsString == 'version' &&
((MethodCallExpression) st.expression)?.arguments?.findAll { arg ->
arg instanceof ClosureExpression &&
arg?.code instanceof BlockStatement &&
arg?.code?.statements?.findAll { stmt ->
stmt?.expression instanceof MethodCallExpression &&
stmt?.expression?.method instanceof ConstantExpression &&
stmt?.expression?.arguments?.expressions?.findAll { expre ->
expre instanceof ConstantExpression &&
!expre?.value?.equals(null)
}
?.each {
String method = stmt?.expression?.methodAsString
List values = stmt?.expression?.arguments?.expressions?.collect { it.value as String }
results.put(method, values)
}
}
}
}
return results
}
@CompileStatic
private Collection determineAffectedProjects(MethodCallExpression call, String top) {
if (top == 'allprojects') {
return project.rootProject.allprojects
} else if (top == 'subprojects') {
return project.rootProject.subprojects
} else if (top == 'buildscript') {
// do not pay attention to buildscript dependencies at this time
} else if (top == 'project') {
def projectName = ((((callStack
.find { it instanceof MethodCallExpression && it.methodAsString == "project" } as MethodCallExpression)
.arguments as ArgumentListExpression)
?.expressions as List)
?.find { it instanceof ConstantExpression } as ConstantExpression)
?.value as String
if (projectName != null) {
Project affectedProject = project.findProject(projectName)
if (affectedProject != null) {
return [affectedProject]
}
}
log.warn("Ignoring call ${call.methodAsString} with top $top for now")
} else {
// at this point, there should not be any project-grouping dsl
if (top == 'dependencies') {
return [project]
} else if (top == 'configurations') {
return [project]
} else {
log.warn("Ignoring call ${call.methodAsString} with top $top for now")
}
}
return []
}
@CompileStatic
class BypassedForce {
GradleDependency dep
ForcedDependency forcedDependency
String projectName
BypassedForce(GradleDependency dep, ForcedDependency forcedDependency, String projectName) {
this.dep = dep
this.forcedDependency = forcedDependency
this.projectName = projectName
}
}
@CompileStatic
class ForcedDependency {
GradleDependency dep
Expression forceExpression
String declaredConfigurationName
Collection resolvedConfigurations = new ArrayList<>()
String message = ''
String strictVersion = ''
String forceType
ForcedDependency(GradleDependency dep, Expression forceExpression, String declaredConfigurationName, String forceType) {
this.dep = dep
this.forceExpression = forceExpression
this.declaredConfigurationName = declaredConfigurationName
this.forceType = forceType
}
void setMessage(String message) {
this.message = message
}
void setStrictVersion(String strictVersion) {
this.strictVersion = strictVersion
}
}
}
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