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feat(neptune): introduce cluster grant method for granular actions #21926

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merged 7 commits into from
Sep 9, 2022
Merged

feat(neptune): introduce cluster grant method for granular actions #21926

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6fddb0c
feat(neptune): introduce cluster grant method for granular actions
humanzz Sep 6, 2022
f492c1a
update granting error message
humanzz Sep 7, 2022
e854462
Merge remote-tracking branch 'origin/main' into neptune-cluster-grant
humanzz Sep 8, 2022
ea14e7e
use grant in integ tests
humanzz Sep 8, 2022
58479b0
update grant error message and README
humanzz Sep 9, 2022
3d369be
update grant error message
humanzz Sep 9, 2022
13b2b8f
Merge remote-tracking branch 'origin/main' into neptune-cluster-grant
humanzz Sep 9, 2022
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6 changes: 4 additions & 2 deletions packages/@aws-cdk/aws-neptune/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -70,10 +70,12 @@ The following example shows enabling IAM authentication for a database cluster a
const cluster = new neptune.DatabaseCluster(this, 'Cluster', {
vpc,
instanceType: neptune.InstanceType.R5_LARGE,
iamAuthentication: true, // Optional - will be automatically set if you call grantConnect().
iamAuthentication: true, // Optional - will be automatically set if you call grantConnect() or grant().
});
const role = new iam.Role(this, 'DBRole', { assumedBy: new iam.AccountPrincipal(this.account) });
cluster.grantConnect(role); // Grant the role neptune-db:* access to the DB.
// Use one of the following statements to grant the role the necessary permissions
cluster.grantConnect(role); // Grant the role neptune-db:* access to the DB
cluster.grant(role, 'neptune-db:ReadDataViaQuery', 'neptune-db:WriteDataViaQuery'); // Grant the role the specified actions to the DB
```

## Customizing parameters
Expand Down
19 changes: 16 additions & 3 deletions packages/@aws-cdk/aws-neptune/lib/cluster.ts
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Expand Up @@ -271,6 +271,15 @@ export interface IDatabaseCluster extends IResource, ec2.IConnectable {
*/
readonly clusterReadEndpoint: Endpoint;

/**
* Grant the given identity the specified actions
* @param grantee the identity to be granted the actions
* @param actions the data-access actions
*
* @see https://docs.aws.amazon.com/neptune/latest/userguide/iam-dp-actions.html
*/
grant(grantee: iam.IGrantable, ...actions: string[]): iam.Grant;

/**
* Grant the given identity connection access to the database.
*/
Expand Down Expand Up @@ -364,15 +373,15 @@ export abstract class DatabaseClusterBase extends Resource implements IDatabaseC

protected abstract enableIamAuthentication?: boolean;

public grantConnect(grantee: iam.IGrantable): iam.Grant {
public grant(grantee: iam.IGrantable, ...actions: string[]): iam.Grant {
if (this.enableIamAuthentication === false) {
throw new Error('Cannot grant connect when IAM authentication is disabled');
throw new Error('Cannot grant permissions when IAM authentication is disabled');
}

this.enableIamAuthentication = true;
return iam.Grant.addToPrincipal({
grantee,
actions: ['neptune-db:*'],
actions,
resourceArns: [
[
'arn',
Expand All @@ -385,6 +394,10 @@ export abstract class DatabaseClusterBase extends Resource implements IDatabaseC
],
});
}

public grantConnect(grantee: iam.IGrantable): iam.Grant {
return this.grant(grantee, 'neptune-db:*');
}
}

/**
Expand Down
4 changes: 2 additions & 2 deletions ...s/@aws-cdk/aws-neptune/test/cluster-ev12.integ.snapshot/aws-cdk-neptune-integ.assets.json
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@@ -1,15 +1,15 @@
{
"version": "21.0.0",
"files": {
"06bc77521a70e494cf9fb7d601f5111e19745b0ecde4b6ac42b311f1a19f8328": {
"86dda049435a7e62de07d7e302f55c3c286433c9f4736de7c9bee4336473b1c7": {
"source": {
"path": "aws-cdk-neptune-integ.template.json",
"packaging": "file"
},
"destinations": {
"current_account-current_region": {
"bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
"objectKey": "06bc77521a70e494cf9fb7d601f5111e19745b0ecde4b6ac42b311f1a19f8328.json",
"objectKey": "86dda049435a7e62de07d7e302f55c3c286433c9f4736de7c9bee4336473b1c7.json",
"assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
}
}
Expand Down
69 changes: 69 additions & 0 deletions ...@aws-cdk/aws-neptune/test/cluster-ev12.integ.snapshot/aws-cdk-neptune-integ.template.json
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Expand Up @@ -426,6 +426,74 @@
"UpdateReplacePolicy": "Delete",
"DeletionPolicy": "Delete"
},
"Role1ABCC5F0": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Statement": [
{
"Action": "sts:AssumeRole",
"Effect": "Allow",
"Principal": {
"Service": "sagemaker.amazonaws.com"
}
}
],
"Version": "2012-10-17"
},
"Description": "AWS Sagemaker notebooks role example for interacting with Neptune Database Cluster"
}
},
"RoleDefaultPolicy5FFB7DAB": {
"Type": "AWS::IAM::Policy",
"Properties": {
"PolicyDocument": {
"Statement": [
{
"Action": [
"neptune-db:GetEngineStatus",
"neptune-db:ReadDataViaQuery"
],
"Effect": "Allow",
"Resource": {
"Fn::Join": [
"",
[
"arn:",
{
"Ref": "AWS::Partition"
},
":neptune-db:",
{
"Ref": "AWS::Region"
},
":",
{
"Ref": "AWS::AccountId"
},
":",
{
"Fn::GetAtt": [
"DatabaseB269D8BB",
"ClusterResourceId"
]
},
"/*"
]
]
}
}
],
"Version": "2012-10-17"
},
"PolicyName": "RoleDefaultPolicy5FFB7DAB",
"Roles": [
{
"Ref": "Role1ABCC5F0"
}
]
}
},
"ParamsA8366201": {
"Type": "AWS::Neptune::DBClusterParameterGroup",
"Properties": {
Expand Down Expand Up @@ -503,6 +571,7 @@
"Ref": "DatabaseSubnets3C9252C9"
},
"EngineVersion": "1.2.0.0",
"IamAuthEnabled": true,
"KmsKeyId": {
"Fn::GetAtt": [
"DbSecurity381C2C15",
Expand Down
14 changes: 13 additions & 1 deletion packages/@aws-cdk/aws-neptune/test/cluster-ev12.integ.snapshot/manifest.json
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Expand Up @@ -23,7 +23,7 @@
"validateOnSynth": false,
"assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
"cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
"stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/06bc77521a70e494cf9fb7d601f5111e19745b0ecde4b6ac42b311f1a19f8328.json",
"stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/86dda049435a7e62de07d7e302f55c3c286433c9f4736de7c9bee4336473b1c7.json",
"requiresBootstrapStackVersion": 6,
"bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
"additionalDependencies": [
Expand Down Expand Up @@ -183,6 +183,18 @@
"data": "DbSecurity381C2C15"
}
],
"/aws-cdk-neptune-integ/Role/Resource": [
{
"type": "aws:cdk:logicalId",
"data": "Role1ABCC5F0"
}
],
"/aws-cdk-neptune-integ/Role/DefaultPolicy/Resource": [
{
"type": "aws:cdk:logicalId",
"data": "RoleDefaultPolicy5FFB7DAB"
}
],
"/aws-cdk-neptune-integ/Params/Resource": [
{
"type": "aws:cdk:logicalId",
Expand Down
105 changes: 105 additions & 0 deletions packages/@aws-cdk/aws-neptune/test/cluster-ev12.integ.snapshot/tree.json
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Expand Up @@ -710,6 +710,110 @@
"version": "0.0.0"
}
},
"Role": {
"id": "Role",
"path": "aws-cdk-neptune-integ/Role",
"children": {
"Resource": {
"id": "Resource",
"path": "aws-cdk-neptune-integ/Role/Resource",
"attributes": {
"aws:cdk:cloudformation:type": "AWS::IAM::Role",
"aws:cdk:cloudformation:props": {
"assumeRolePolicyDocument": {
"Statement": [
{
"Action": "sts:AssumeRole",
"Effect": "Allow",
"Principal": {
"Service": "sagemaker.amazonaws.com"
}
}
],
"Version": "2012-10-17"
},
"description": "AWS Sagemaker notebooks role example for interacting with Neptune Database Cluster"
}
},
"constructInfo": {
"fqn": "@aws-cdk/aws-iam.CfnRole",
"version": "0.0.0"
}
},
"DefaultPolicy": {
"id": "DefaultPolicy",
"path": "aws-cdk-neptune-integ/Role/DefaultPolicy",
"children": {
"Resource": {
"id": "Resource",
"path": "aws-cdk-neptune-integ/Role/DefaultPolicy/Resource",
"attributes": {
"aws:cdk:cloudformation:type": "AWS::IAM::Policy",
"aws:cdk:cloudformation:props": {
"policyDocument": {
"Statement": [
{
"Action": [
"neptune-db:GetEngineStatus",
"neptune-db:ReadDataViaQuery"
],
"Effect": "Allow",
"Resource": {
"Fn::Join": [
"",
[
"arn:",
{
"Ref": "AWS::Partition"
},
":neptune-db:",
{
"Ref": "AWS::Region"
},
":",
{
"Ref": "AWS::AccountId"
},
":",
{
"Fn::GetAtt": [
"DatabaseB269D8BB",
"ClusterResourceId"
]
},
"/*"
]
]
}
}
],
"Version": "2012-10-17"
},
"policyName": "RoleDefaultPolicy5FFB7DAB",
"roles": [
{
"Ref": "Role1ABCC5F0"
}
]
}
},
"constructInfo": {
"fqn": "@aws-cdk/aws-iam.CfnPolicy",
"version": "0.0.0"
}
}
},
"constructInfo": {
"fqn": "@aws-cdk/aws-iam.Policy",
"version": "0.0.0"
}
}
},
"constructInfo": {
"fqn": "@aws-cdk/aws-iam.Role",
"version": "0.0.0"
}
},
"Params": {
"id": "Params",
"path": "aws-cdk-neptune-integ/Params",
Expand Down Expand Up @@ -856,6 +960,7 @@
"Ref": "DatabaseSubnets3C9252C9"
},
"engineVersion": "1.2.0.0",
"iamAuthEnabled": true,
"kmsKeyId": {
"Fn::GetAtt": [
"DbSecurity381C2C15",
Expand Down
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