Add dependency-graph-continue-on-failure input param

- Translate to env var for init-script support
- Use when deciding whether to log or rethrow errors

.github/workflows/integ-test-dependency-graph-failures.yml

@@ -30,11 +30,9 @@ jobs:
       with:
         gradle-version: 7.0.1
         dependency-graph: generate
-        # dependency-graph-continue-on-failure: false
+        dependency-graph-continue-on-failure: false
     - name: Run with unsupported Gradle version
       working-directory: .github/workflow-samples/groovy-dsl
-      env:
-        GITHUB_DEPENDENCY_GRAPH_CONTINUE_ON_FAILURE: false
       run: |
         if gradle help; then
           echo "Expected build to fail with Gradle 7.0.1"
@@ -53,10 +51,9 @@ jobs:
       with:
         gradle-version: 7.0.1
         dependency-graph: generate
+        dependency-graph-continue-on-failure: true
     - name: Run with unsupported Gradle version
       working-directory: .github/workflow-samples/groovy-dsl
-      env:
-        GITHUB_DEPENDENCY_GRAPH_CONTINUE_ON_FAILURE: true
       run: |
         if gradle help | grep -q 'warning::Dependency Graph is not supported for Gradle 7.0.1. No dependency snapshot will be generated.';
         then

action.yml

@@ -73,6 +73,11 @@ inputs:
     required: false
     default: 'disabled'
 
+  dependency-graph-continue-on-failure:
+    description: When 'false' a failure to generate or submit a dependency graph will fail the Step or Job. When 'true' a warning will be emitted but no failure will result.
+    required: false
+    default: true
+
   artifact-retention-days:
     description: Specifies the number of days to retain any artifacts generated by the action. If not set, the default retention settings for the repository will apply.
     required: false

src/dependency-graph.ts

@@ -10,7 +10,12 @@ import * as path from 'path'
 import fs from 'fs'
 
 import * as layout from './repository-layout'
-import {DependencyGraphOption, getJobMatrix, getArtifactRetentionDays} from './input-params'
+import {
+    DependencyGraphOption,
+    getDependencyGraphContinueOnFailure,
+    getJobMatrix,
+    getArtifactRetentionDays
+} from './input-params'
 
 const DEPENDENCY_GRAPH_PREFIX = 'dependency-graph_'
 
@@ -26,6 +31,7 @@ export async function setup(option: DependencyGraphOption): Promise<void> {
 
     core.info('Enabling dependency graph generation')
     core.exportVariable('GITHUB_DEPENDENCY_GRAPH_ENABLED', 'true')
+    core.exportVariable('GITHUB_DEPENDENCY_GRAPH_CONTINUE_ON_FAILURE', getDependencyGraphContinueOnFailure())
     core.exportVariable('GITHUB_DEPENDENCY_GRAPH_JOB_CORRELATOR', getJobCorrelator())
     core.exportVariable('GITHUB_DEPENDENCY_GRAPH_JOB_ID', github.context.runId)
     core.exportVariable('GITHUB_DEPENDENCY_GRAPH_REF', github.context.ref)
@@ -51,7 +57,7 @@ export async function complete(option: DependencyGraphOption): Promise<void> {
                 await uploadDependencyGraphs(await findGeneratedDependencyGraphFiles())
         }
     } catch (e) {
-        core.warning(`Failed to ${option} dependency graph. Will continue. ${String(e)}`)
+        warnOrFail(option, e)
     }
 }
 
@@ -78,7 +84,7 @@ async function downloadAndSubmitDependencyGraphs(): Promise<void> {
     try {
         await submitDependencyGraphs(await downloadDependencyGraphs())
     } catch (e) {
-        core.warning(`Download and submit dependency graph failed. Will continue. ${String(e)}`)
+        warnOrFail(DependencyGraphOption.DownloadAndSubmit, e)
     }
 }
 
@@ -88,17 +94,17 @@ async function submitDependencyGraphs(dependencyGraphFiles: string[]): Promise<v
             await submitDependencyGraphFile(jsonFile)
         } catch (error) {
             if (error instanceof RequestError) {
-                core.warning(buildWarningMessage(jsonFile, error))
+                throw new Error(translateErrorMessage(jsonFile, error))
             } else {
                 throw error
             }
         }
     }
 }
 
-function buildWarningMessage(jsonFile: string, error: RequestError): string {
+function translateErrorMessage(jsonFile: string, error: RequestError): string {
     const relativeJsonFile = getRelativePathFromWorkspace(jsonFile)
-    const mainWarning = `Failed to submit dependency graph ${relativeJsonFile}.\n${String(error)}`
+    const mainWarning = `Dependency submission failed for ${relativeJsonFile}.\n${String(error)}`
     if (error.message === 'Resource not accessible by integration') {
         return `${mainWarning}
 Please ensure that the 'contents: write' permission is available for the workflow job.
@@ -160,6 +166,17 @@ async function findDependencyGraphFiles(dir: string): Promise<string[]> {
     return graphFiles
 }
 
+function warnOrFail(option: String, error: unknown): void {
+    if (!getDependencyGraphContinueOnFailure()) {
+        if (error instanceof Error) {
+            throw error
+        }
+        throw new Error(String(error))
+    }
+
+    core.warning(`Failed to ${option} dependency graph. Will continue. ${String(error)}`)
+}
+
 function getOctokit(): InstanceType<typeof GitHub> {
     return github.getOctokit(getGithubToken())
 }

src/input-params.ts

@@ -107,6 +107,10 @@ export function getDependencyGraphOption(): DependencyGraphOption {
     )
 }
 
+export function getDependencyGraphContinueOnFailure(): boolean {
+    return getBooleanInput('dependency-graph-continue-on-failure', true)
+}
+
 export function getArtifactRetentionDays(): number {
     const val = core.getInput('artifact-retention-days')
     return parseNumericInput('artifact-retention-days', val, 0)