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feat: support govcloud and china regions #24

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feat: support govcloud and china regions #24

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19 changes: 16 additions & 3 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,19 @@ module.exports = Class.extend({
FunctionName: { 'Fn::GetAtt': [ fnRef, 'Arn' ] },
Action: 'lambda:InvokeFunction',
Principal: 'sns.amazonaws.com',
SourceArn: { 'Fn::Join': [ ':', [ 'arn:aws:sns', { 'Ref': 'AWS::Region' }, { 'Ref': 'AWS::AccountId' }, topicName ] ] },
SourceArn: {
'Fn::Join': [
':',
[
'arn',
{ 'Ref': 'AWS::Partition' },
'sns',
{ 'Ref': 'AWS::Region' },
{ 'Ref': 'AWS::AccountId' },
topicName,
],
],
},
},
};

Expand Down Expand Up @@ -120,7 +132,7 @@ module.exports = Class.extend({

_getSubscriptionInfo: function(fnDef, topicName) {
var self = this,
fnArn, acctID, region, topicArn, params;
fnArn, acctID, partition, region, topicArn, params;

params = { FunctionName: fnDef.name };

Expand All @@ -129,9 +141,10 @@ module.exports = Class.extend({
fnArn = fn.Configuration.FunctionArn;
// NOTE: assumes that the topic is in the same account and region at this
// point
partition = fnArn.split(':')[1];
region = fnArn.split(':')[3];
acctID = fnArn.split(':')[4];
topicArn = 'arn:aws:sns:' + region + ':' + acctID + ':' + topicName;
topicArn = 'arn:' + partition + ':sns:' + region + ':' + acctID + ':' + topicName;

self._serverless.cli.log('Function ARN: ' + fnArn);
self._serverless.cli.log('Topic ARN: ' + topicArn);
Expand Down
14 changes: 13 additions & 1 deletion src/tests/index.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,19 @@ describe('serverless-plugin-external-sns-events', function() {
FunctionName: { 'Fn::GetAtt': [ expFunctionName, 'Arn' ] },
Action: 'lambda:InvokeFunction',
Principal: 'sns.amazonaws.com',
SourceArn: { 'Fn::Join': [ ':', [ 'arn:aws:sns', { 'Ref': 'AWS::Region' }, { 'Ref': 'AWS::AccountId' }, 'cool-Topic' ] ] },
SourceArn: {
'Fn::Join': [
':',
[
'arn',
{ 'Ref': 'AWS::Partition' },
'sns',
{ 'Ref': 'AWS::Region' },
{ 'Ref': 'AWS::AccountId' },
'cool-Topic',
],
],
},
},
};

Expand Down