robojerk/codeql-action

Merge pull request #1145 from github/criemen/fix-ff-crash

Browse source 
Don't crash if we are unable to get a response from the feature-flag endpoint.
This commit is contained in:
Cornelius Riemenschneider 2022-07-18 14:04:23 +02:00 • committed by GitHub
commit ba95eeb60e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 65 additions and 6 deletions
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9
lib/feature-flags.js generated
View file

@ -35,12 +35,17 @@ class GitHubFeatureFlags {
this.logger = logger;
}
async getValue(flag) {
const response = (await this.getApiResponse())[flag];
const response = await this.getApiResponse();
if (response === undefined) {
this.logger.debug(`No feature flags API response for ${flag}, considering it disabled.`);
return false;
}
const flagValue = response[flag];
if (flagValue === undefined) {
this.logger.debug(`Feature flag '${flag}' undefined in API response, considering it disabled.`);
return false;
}
return response;
return flagValue;
}
async getApiResponse() {
const loadApiResponse = async () => {

2
lib/feature-flags.js.map
View file

@ -1 +1 @@
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16
lib/feature-flags.test.js generated
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@ -40,6 +40,22 @@ for (const variant of ALL_FEATURE_FLAGS_DISABLED_VARIANTS) {
});
});
}
(0, ava_1.default)("API response missing", async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
(0, testing_utils_1.setupActionsVars)(tmpDir, tmpDir);
const loggedMessages = [];
const featureFlags = new feature_flags_1.GitHubFeatureFlags({ type: util_1.GitHubVariant.DOTCOM }, testApiDetails, testRepositoryNwo, (0, testing_utils_1.getRecordingLogger)(loggedMessages));
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(403, {});
for (const flag of Object.values(feature_flags_1.FeatureFlag)) {
t.assert((await featureFlags.getValue(flag)) === false);
}
for (const featureFlag of ["ml_powered_queries_enabled"]) {
t.assert(loggedMessages.find((v) => v.type === "debug" &&
v.message ===
`No feature flags API response for ${featureFlag}, considering it disabled.`) !== undefined);
}
});
});
(0, ava_1.default)("Feature flags are disabled if they're not returned in API response", async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
(0, testing_utils_1.setupActionsVars)(tmpDir, tmpDir);

2
lib/feature-flags.test.js.map
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@ -1 +1 @@
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31
src/feature-flags.test.ts
View file

@ -67,6 +67,37 @@ for (const variant of ALL_FEATURE_FLAGS_DISABLED_VARIANTS) {
});
}
test("API response missing", async (t) => {
await withTmpDir(async (tmpDir) => {
setupActionsVars(tmpDir, tmpDir);
const loggedMessages = [];
const featureFlags = new GitHubFeatureFlags(
{ type: GitHubVariant.DOTCOM },
testApiDetails,
testRepositoryNwo,
getRecordingLogger(loggedMessages)
);
mockFeatureFlagApiEndpoint(403, {});
for (const flag of Object.values(FeatureFlag)) {
t.assert((await featureFlags.getValue(flag)) === false);
}
for (const featureFlag of ["ml_powered_queries_enabled"]) {
t.assert(
loggedMessages.find(
(v: LoggedMessage) =>
v.type === "debug" &&
v.message ===
`No feature flags API response for ${featureFlag}, considering it disabled.`
) !== undefined
);
}
});
});
test("Feature flags are disabled if they're not returned in API response", async (t) => {
await withTmpDir(async (tmpDir) => {
setupActionsVars(tmpDir, tmpDir);

11
src/feature-flags.ts
View file

@ -31,14 +31,21 @@ export class GitHubFeatureFlags implements FeatureFlags {
) {}
async getValue(flag: FeatureFlag): Promise<boolean> {
const response = (await this.getApiResponse())[flag];
const response = await this.getApiResponse();
if (response === undefined) {
this.logger.debug(
`No feature flags API response for ${flag}, considering it disabled.`
);
return false;
}
const flagValue = response[flag];
if (flagValue === undefined) {
this.logger.debug(
`Feature flag '${flag}' undefined in API response, considering it disabled.`
);
return false;
}
return response;
return flagValue;
}
private async getApiResponse(): Promise<FeatureFlagsApiResponse> {