Initial build fails: unable to access CodeCommit repository

[shanab]

I was following the workshop steps, and after I was done with Static Web Hosting > Deploy, I found out that the build step failed in the deployment. After further investigation, I found out that the permission policy attached to the Amplify IAM role is not configured to use CodeCommit.

JSON for IAM Policy for reference.

``` { "Version": "2012-10-17", "Statement": [ { "Sid": "CLICloudformationPolicy", "Effect": "Allow", "Action": [ "cloudformation:CreateChangeSet", "cloudformation:CreateStack", "cloudformation:DeleteStack", "cloudformation:DescribeChangeSet", "cloudformation:DescribeStackEvents", "cloudformation:DescribeStackResource", "cloudformation:DescribeStackResources", "cloudformation:DescribeStacks", "cloudformation:ExecuteChangeSet", "cloudformation:GetTemplate", "cloudformation:UpdateStack", "cloudformation:ListStackResources" ], "Resource": [ "arn:aws:cloudformation:*:*:stack/amplify-*" ] }, { "Sid": "CLIManageviaCFNPolicy", "Effect": "Allow", "Action": [ "iam:ListRoleTags", "iam:TagRole", "iam:AttachRolePolicy", "iam:CreatePolicy", "iam:DeletePolicy", "iam:DeleteRole", "iam:DeleteRolePolicy", "iam:DetachRolePolicy", "iam:PutRolePolicy", "iam:UpdateRole", "iam:GetRole", "iam:GetPolicy", "iam:GetRolePolicy", "iam:PassRole", "iam:ListPolicyVersions", "iam:CreatePolicyVersion", "iam:DeletePolicyVersion", "iam:CreateRole", "iam:ListRolePolicies", "iam:PutRolePermissionsBoundary", "iam:DeleteRolePermissionsBoundary", "appsync:CreateApiKey", "appsync:CreateDataSource", "appsync:CreateFunction", "appsync:CreateResolver", "appsync:CreateType", "appsync:DeleteApiKey", "appsync:DeleteDataSource", "appsync:DeleteFunction", "appsync:DeleteResolver", "appsync:DeleteType", "appsync:GetDataSource", "appsync:GetFunction", "appsync:GetIntrospectionSchema", "appsync:GetResolver", "appsync:GetSchemaCreationStatus", "appsync:GetType", "appsync:GraphQL", "appsync:ListApiKeys", "appsync:ListDataSources", "appsync:ListFunctions", "appsync:ListGraphqlApis", "appsync:ListResolvers", "appsync:ListResolversByFunction", "appsync:ListTypes", "appsync:StartSchemaCreation", "appsync:UpdateApiKey", "appsync:UpdateDataSource", "appsync:UpdateFunction", "appsync:UpdateResolver", "appsync:UpdateType", "appsync:TagResource", "appsync:CreateGraphqlApi", "appsync:DeleteGraphqlApi", "appsync:GetGraphqlApi", "appsync:ListTagsForResource", "appsync:UpdateGraphqlApi", "apigateway:DELETE", "apigateway:GET", "apigateway:PATCH", "apigateway:POST", "apigateway:PUT", "cognito-idp:CreateUserPool", "cognito-identity:CreateIdentityPool", "cognito-identity:DeleteIdentityPool", "cognito-identity:DescribeIdentity", "cognito-identity:DescribeIdentityPool", "cognito-identity:SetIdentityPoolRoles", "cognito-identity:GetIdentityPoolRoles", "cognito-identity:UpdateIdentityPool", "cognito-idp:CreateUserPoolClient", "cognito-idp:DeleteGroup", "cognito-idp:DeleteUserPool", "cognito-idp:DeleteUserPoolClient", "cognito-idp:DescribeUserPool", "cognito-idp:DescribeUserPoolClient", "cognito-idp:ListTagsForResource", "cognito-idp:ListUserPoolClients", "cognito-idp:UpdateUserPoolClient", "cognito-idp:CreateGroup", "cognito-idp:DeleteGroup", "cognito-identity:TagResource", "cognito-idp:TagResource", "cognito-idp:UpdateUserPool", "lambda:AddPermission", "lambda:CreateFunction", "lambda:DeleteFunction", "lambda:GetFunction", "lambda:GetFunctionConfiguration", "lambda:InvokeAsync", "lambda:InvokeFunction", "lambda:RemovePermission", "lambda:UpdateFunctionCode", "lambda:UpdateFunctionConfiguration", "lambda:ListTags", "lambda:TagResource", "lambda:UntagResource", "lambda:DeleteFunction", "lambda:AddLayerVersionPermission", "lambda:CreateEventSourceMapping", "lambda:DeleteEventSourceMapping", "lambda:DeleteLayerVersion", "lambda:GetEventSourceMapping", "lambda:GetLayerVersion", "lambda:ListEventSourceMappings", "lambda:ListLayerVersions", "lambda:PublishLayerVersion", "lambda:RemoveLayerVersionPermission", "dynamodb:CreateTable", "dynamodb:DeleteItem", "dynamodb:DeleteTable", "dynamodb:DescribeContinuousBackups", "dynamodb:DescribeTable", "dynamodb:DescribeTimeToLive", "dynamodb:ListStreams", "dynamodb:PutItem", "dynamodb:TagResource", "dynamodb:ListTagsOfResource", "dynamodb:UpdateContinuousBackups", "dynamodb:UpdateItem", "dynamodb:UpdateTable", "dynamodb:UpdateTimeToLive", "s3:CreateBucket", "s3:ListBucket", "s3:PutBucketAcl", "s3:PutBucketCORS", "s3:PutBucketNotification", "s3:PutBucketPolicy", "s3:PutBucketWebsite", "s3:PutObjectAcl", "cloudfront:CreateCloudFrontOriginAccessIdentity", "cloudfront:CreateDistribution", "cloudfront:DeleteCloudFrontOriginAccessIdentity", "cloudfront:DeleteDistribution", "cloudfront:GetCloudFrontOriginAccessIdentity", "cloudfront:GetCloudFrontOriginAccessIdentityConfig", "cloudfront:GetDistribution", "cloudfront:GetDistributionConfig", "cloudfront:TagResource", "cloudfront:UntagResource", "cloudfront:UpdateCloudFrontOriginAccessIdentity", "cloudfront:UpdateDistribution", "events:DeleteRule", "events:DescribeRule", "events:ListRuleNamesByTarget", "events:PutRule", "events:PutTargets", "events:RemoveTargets", "mobiletargeting:GetApp", "kinesis:AddTagsToStream", "kinesis:CreateStream", "kinesis:DeleteStream", "kinesis:DescribeStream", "kinesis:PutRecords", "es:AddTags", "es:CreateElasticsearchDomain", "es:DeleteElasticsearchDomain", "es:DescribeElasticsearchDomain", "s3:PutEncryptionConfiguration" ], "Resource": "*", "Condition": { "ForAnyValue:StringEquals": { "aws:CalledVia": [ "cloudformation.amazonaws.com" ] } } }, { "Sid": "CLISDKCalls", "Effect": "Allow", "Action": [ "appsync:GetIntrospectionSchema", "appsync:GraphQL", "appsync:UpdateApiKey", "appsync:ListApiKeys", "s3:PutObject", "s3:GetObject", "s3:ListBucket", "s3:ListBucketVersions", "s3:DeleteBucket", "s3:DeleteBucketPolicy", "s3:DeleteBucketWebsite", "s3:DeleteObject", "s3:DeleteObjectVersion", "s3:GetBucketLocation", "s3:ListAllMyBuckets", "amplify:*", "amplifybackend:*", "sts:AssumeRole", "mobiletargeting:*", "cognito-idp:AdminAddUserToGroup", "cognito-idp:AdminCreateUser", "cognito-idp:CreateGroup", "cognito-idp:DeleteGroup", "cognito-idp:DeleteUser", "cognito-idp:ListUsers", "cognito-idp:AdminGetUser", "cognito-idp:ListUsersInGroup", "cognito-idp:AdminDisableUser", "cognito-idp:AdminRemoveUserFromGroup", "cognito-idp:AdminResetUserPassword", "cognito-idp:AdminListGroupsForUser", "cognito-idp:ListGroups", "cognito-idp:AdminDeleteUser", "cognito-idp:AdminListUserAuthEvents", "cognito-idp:AdminDeleteUser", "cognito-idp:AdminConfirmSignUp", "cognito-idp:AdminEnableUser", "cognito-idp:AdminUpdateUserAttributes", "cognito-idp:DescribeIdentityProvider", "cognito-idp:DescribeUserPool", "cognito-idp:DeleteUserPool", "cognito-idp:DescribeUserPoolClient", "cognito-idp:CreateUserPool", "cognito-idp:CreateUserPoolClient", "cognito-idp:UpdateUserPool", "cognito-idp:AdminSetUserPassword", "cognito-idp:ListUserPools", "cognito-idp:ListUserPoolClients", "cognito-identity:GetIdentityPoolRoles", "cognito-identity:SetIdentityPoolRoles", "cognito-identity:CreateIdentityPool", "cognito-identity:DeleteIdentityPool", "cognito-identity:ListIdentityPools", "cognito-identity:DescribeIdentityPool", "dynamodb:DescribeTable", "lambda:GetFunction", "lambda:CreateFunction", "lambda:AddPermission", "lambda:DeleteFunction", "iam:PutRolePolicy", "iam:CreatePolicy", "iam:AttachRolePolicy", "iam:ListPolicyVersions", "iam:ListAttachedRolePolicies", "iam:CreateRole", "iam:PassRole", "iam:ListRolePolicies", "iam:DeleteRolePolicy", "iam:CreatePolicyVersion", "iam:DeletePolicyVersion", "iam:DeleteRole", "cloudformation:ListStacks", "sns:CreateSMSSandboxPhoneNumber", "sns:GetSMSSandboxAccountStatus", "sns:VerifySMSSandboxPhoneNumber", "sns:DeleteSMSSandboxPhoneNumber", "sns:ListSMSSandboxPhoneNumbers", "sns:ListOriginationNumbers" ], "Resource": "*" }, { "Sid": "AmplifySSMCalls", "Effect": "Allow", "Action": [ "ssm:PutParameter", "ssm:DeleteParameter", "ssm:GetParametersByPath", "ssm:GetParameters", "ssm:GetParameter", "ssm:DeleteParameters" ], "Resource": "arn:aws:ssm:*:*:parameter/amplify/*" } ] } ```

After attaching AWSCodeCommitReadOnly to the Amplify Service Role, the build phase was able to clone the repo.