package aws import ( "net" "sync" "time" "github.com/aws/aws-sdk-go/aws/credentials" "github.com/awslabs/aws-sdk-go/aws/credentials/ec2rolecreds" "github.com/hashicorp/terraform/helper/hashcode" "github.com/hashicorp/terraform/helper/schema" "github.com/hashicorp/terraform/terraform" ) // Provider returns a terraform.ResourceProvider. func Provider() terraform.ResourceProvider { // TODO: Move the validation to this, requires conditional schemas // TODO: Move the configuration to this, requires validation // These variables are closed within the `getCreds` function below. // This function is responsible for reading credentials from the // environment in the case that they're not explicitly specified // in the Terraform configuration. // // By using the getCreds function here instead of making the default // empty, we avoid asking for input on credentials if they're available // in the environment. var credVal credentials.Value var credErr error var once sync.Once getCreds := func() { // Build the list of providers to look for creds in providers := []credentials.Provider{ &credentials.EnvProvider{}, &credentials.SharedCredentialsProvider{}, } // We only look in the EC2 metadata API if we can connect // to the metadata service within a reasonable amount of time conn, err := net.DialTimeout("tcp", "169.254.169.254:80", 100*time.Millisecond) if err == nil { conn.Close() providers = append(providers, &ec2rolecreds.EC2RoleProvider{}) } credVal, credErr = credentials.NewChainCredentials(providers).Get() // If we didn't successfully find any credentials, just // set the error to nil. if credErr == credentials.ErrNoValidProvidersFoundInChain { credErr = nil } } // getCredDefault is a function used by DefaultFunc below to // get the default value for various parts of the credentials. // This function properly handles loading the credentials, checking // for errors, etc. getCredDefault := func(def interface{}, f func() string) (interface{}, error) { once.Do(getCreds) // If there was an error, that is always first if credErr != nil { return nil, credErr } // If the value is empty string, return nil (not set) val := f() if val == "" { return def, nil } return val, nil } // The actual provider return &schema.Provider{ Schema: map[string]*schema.Schema{ "access_key": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: func() (interface{}, error) { return getCredDefault(nil, func() string { return credVal.AccessKeyID }) }, Description: descriptions["access_key"], }, "secret_key": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: func() (interface{}, error) { return getCredDefault(nil, func() string { return credVal.SecretAccessKey }) }, Description: descriptions["secret_key"], }, "token": &schema.Schema{ Type: schema.TypeString, Optional: true, DefaultFunc: func() (interface{}, error) { return getCredDefault("", func() string { return credVal.SessionToken }) }, Description: descriptions["token"], }, "region": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.MultiEnvDefaultFunc([]string{ "AWS_REGION", "AWS_DEFAULT_REGION", }, nil), Description: descriptions["region"], InputDefault: "us-east-1", }, "max_retries": &schema.Schema{ Type: schema.TypeInt, Optional: true, Default: 11, Description: descriptions["max_retries"], }, "allowed_account_ids": &schema.Schema{ Type: schema.TypeSet, Elem: &schema.Schema{Type: schema.TypeString}, Optional: true, ConflictsWith: []string{"forbidden_account_ids"}, Set: func(v interface{}) int { return hashcode.String(v.(string)) }, }, "forbidden_account_ids": &schema.Schema{ Type: schema.TypeSet, Elem: &schema.Schema{Type: schema.TypeString}, Optional: true, ConflictsWith: []string{"allowed_account_ids"}, Set: func(v interface{}) int { return hashcode.String(v.(string)) }, }, "dynamodb_endpoint": &schema.Schema{ Type: schema.TypeString, Optional: true, Default: "", Description: descriptions["dynamodb_endpoint"], }, }, ResourcesMap: map[string]*schema.Resource{ "aws_ami": resourceAwsAmi(), "aws_ami_copy": resourceAwsAmiCopy(), "aws_ami_from_instance": resourceAwsAmiFromInstance(), "aws_app_cookie_stickiness_policy": resourceAwsAppCookieStickinessPolicy(), "aws_autoscaling_group": resourceAwsAutoscalingGroup(), "aws_autoscaling_notification": resourceAwsAutoscalingNotification(), "aws_autoscaling_policy": resourceAwsAutoscalingPolicy(), "aws_cloudwatch_log_group": resourceAwsCloudWatchLogGroup(), "aws_cloudwatch_metric_alarm": resourceAwsCloudWatchMetricAlarm(), "aws_customer_gateway": resourceAwsCustomerGateway(), "aws_db_instance": resourceAwsDbInstance(), "aws_db_parameter_group": resourceAwsDbParameterGroup(), "aws_db_security_group": resourceAwsDbSecurityGroup(), "aws_db_subnet_group": resourceAwsDbSubnetGroup(), "aws_dynamodb_table": resourceAwsDynamoDbTable(), "aws_ebs_volume": resourceAwsEbsVolume(), "aws_ecs_cluster": resourceAwsEcsCluster(), "aws_ecs_service": resourceAwsEcsService(), "aws_ecs_task_definition": resourceAwsEcsTaskDefinition(), "aws_eip": resourceAwsEip(), "aws_elasticache_cluster": resourceAwsElasticacheCluster(), "aws_elasticache_parameter_group": resourceAwsElasticacheParameterGroup(), "aws_elasticache_security_group": resourceAwsElasticacheSecurityGroup(), "aws_elasticache_subnet_group": resourceAwsElasticacheSubnetGroup(), "aws_elb": resourceAwsElb(), "aws_flow_log": resourceAwsFlowLog(), "aws_iam_access_key": resourceAwsIamAccessKey(), "aws_iam_group_policy": resourceAwsIamGroupPolicy(), "aws_iam_group": resourceAwsIamGroup(), "aws_iam_group_membership": resourceAwsIamGroupMembership(), "aws_iam_instance_profile": resourceAwsIamInstanceProfile(), "aws_iam_policy": resourceAwsIamPolicy(), "aws_iam_policy_attachment": resourceAwsIamPolicyAttachment(), "aws_iam_role_policy": resourceAwsIamRolePolicy(), "aws_iam_role": resourceAwsIamRole(), "aws_iam_saml_provider": resourceAwsIamSamlProvider(), "aws_iam_server_certificate": resourceAwsIAMServerCertificate(), "aws_iam_user_policy": resourceAwsIamUserPolicy(), "aws_iam_user": resourceAwsIamUser(), "aws_instance": resourceAwsInstance(), "aws_internet_gateway": resourceAwsInternetGateway(), "aws_key_pair": resourceAwsKeyPair(), "aws_kinesis_stream": resourceAwsKinesisStream(), "aws_lambda_function": resourceAwsLambdaFunction(), "aws_launch_configuration": resourceAwsLaunchConfiguration(), "aws_lb_cookie_stickiness_policy": resourceAwsLBCookieStickinessPolicy(), "aws_main_route_table_association": resourceAwsMainRouteTableAssociation(), "aws_network_acl": resourceAwsNetworkAcl(), "aws_network_interface": resourceAwsNetworkInterface(), "aws_proxy_protocol_policy": resourceAwsProxyProtocolPolicy(), "aws_route53_delegation_set": resourceAwsRoute53DelegationSet(), "aws_route53_record": resourceAwsRoute53Record(), "aws_route53_zone_association": resourceAwsRoute53ZoneAssociation(), "aws_route53_zone": resourceAwsRoute53Zone(), "aws_route53_health_check": resourceAwsRoute53HealthCheck(), "aws_route_table": resourceAwsRouteTable(), "aws_route_table_association": resourceAwsRouteTableAssociation(), "aws_s3_bucket": resourceAwsS3Bucket(), "aws_s3_bucket_object": resourceAwsS3BucketObject(), "aws_security_group": resourceAwsSecurityGroup(), "aws_security_group_rule": resourceAwsSecurityGroupRule(), "aws_spot_instance_request": resourceAwsSpotInstanceRequest(), "aws_sqs_queue": resourceAwsSqsQueue(), "aws_sns_topic": resourceAwsSnsTopic(), "aws_sns_topic_subscription": resourceAwsSnsTopicSubscription(), "aws_subnet": resourceAwsSubnet(), "aws_volume_attachment": resourceAwsVolumeAttachment(), "aws_vpc_dhcp_options_association": resourceAwsVpcDhcpOptionsAssociation(), "aws_vpc_dhcp_options": resourceAwsVpcDhcpOptions(), "aws_vpc_peering_connection": resourceAwsVpcPeeringConnection(), "aws_vpc": resourceAwsVpc(), "aws_vpc_endpoint": resourceAwsVpcEndpoint(), "aws_vpn_connection": resourceAwsVpnConnection(), "aws_vpn_connection_route": resourceAwsVpnConnectionRoute(), "aws_vpn_gateway": resourceAwsVpnGateway(), }, ConfigureFunc: providerConfigure, } } var descriptions map[string]string func init() { descriptions = map[string]string{ "region": "The region where AWS operations will take place. Examples\n" + "are us-east-1, us-west-2, etc.", "access_key": "The access key for API operations. You can retrieve this\n" + "from the 'Security & Credentials' section of the AWS console.", "secret_key": "The secret key for API operations. You can retrieve this\n" + "from the 'Security & Credentials' section of the AWS console.", "token": "session token. A session token is only required if you are\n" + "using temporary security credentials.", "max_retries": "The maximum number of times an AWS API request is\n" + "being executed. If the API request still fails, an error is\n" + "thrown.", "dynamodb_endpoint": "Use this to override the default endpoint URL constructed from the `region`.\n" + "It's typically used to connect to dynamodb-local.", } } func providerConfigure(d *schema.ResourceData) (interface{}, error) { config := Config{ AccessKey: d.Get("access_key").(string), SecretKey: d.Get("secret_key").(string), Token: d.Get("token").(string), Region: d.Get("region").(string), MaxRetries: d.Get("max_retries").(int), DynamoDBEndpoint: d.Get("dynamodb_endpoint").(string), } if v, ok := d.GetOk("allowed_account_ids"); ok { config.AllowedAccountIds = v.(*schema.Set).List() } if v, ok := d.GetOk("forbidden_account_ids"); ok { config.ForbiddenAccountIds = v.(*schema.Set).List() } return config.Client() }