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fix: gracefully handle absence fo the ~/.aws/credentials file #541

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merged 2 commits into from
Aug 14, 2018
+21 −17
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fix: gracefully handle absence fo the ~/.aws/credentials file #541

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6164bfd
Gracefully handle absence fo the `~/.aws/credentials` file
RomainMuller Aug 10, 2018
ea023f9
Make async
RomainMuller Aug 14, 2018
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5 changes: 3 additions & 2 deletions packages/aws-cdk/lib/api/util/sdk.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import { Environment} from '@aws-cdk/cx-api';
import AWS = require('aws-sdk');
import fs = require('fs-extra');
import os = require('os');
import path = require('path');
import { debug } from '../../logging';
Expand Down Expand Up @@ -157,7 +158,7 @@ function makeCLICompatibleCredentialProvider(profile: string | undefined) {
return new AWS.CredentialProviderChain([
() => new AWS.EnvironmentCredentials('AWS'),
() => new AWS.EnvironmentCredentials('AMAZON'),
() => new AWS.SharedIniFileCredentials({ profile, filename }),
...(fs.pathExistsSync(filename) ? [() => new AWS.SharedIniFileCredentials({ profile, filename })] : []),
() => {
// Calling private API
if ((AWS.ECSCredentials.prototype as any).isConfiguredForEcsCredentials()) {
Expand Down Expand Up @@ -200,4 +201,4 @@ function getCLICompatibleDefaultRegion(profile: string | undefined): string | un
}

return region;
}
}
9 changes: 5 additions & 4 deletions packages/aws-cdk/lib/api/util/sdk_ini_file.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
*/

import AWS = require('aws-sdk');
import fs = require('fs-extra');
import os = require('os');
import path = require('path');

Expand Down Expand Up @@ -44,9 +45,9 @@ export class SharedIniFile {

private ensureFileLoaded() {
if (!this.parsedContents) {
this.parsedContents = (AWS as any).util.ini.parse(
(AWS as any).util.readFileSync(this.filename)
);
this.parsedContents = fs.pathExistsSync(this.filename)
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Are you sure this is necessary? I'm positive I tested this WITHOUT an ~/.aws/config file and no crash.

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My observations show that a missing ~/.aws/credentials would blow up right this spot.

? (AWS as any).util.ini.parse((AWS as any).util.readFileSync(this.filename))
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Can we save of (AWS as any).util as a variable to make this conditional a bit less verbose?

: {};
}
}
}
}