155 lines
3.6 KiB
Go
155 lines
3.6 KiB
Go
package aws
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import (
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"fmt"
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"log"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceAwsFlowLog() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsLogFlowCreate,
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Read: resourceAwsLogFlowRead,
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Delete: resourceAwsLogFlowDelete,
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Schema: map[string]*schema.Schema{
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"iam_role_arn": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"log_group_name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"vpc_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ConflictsWith: []string{"subnet_id", "eni_id"},
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},
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"subnet_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ConflictsWith: []string{"eni_id", "vpc_id"},
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},
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"eni_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ConflictsWith: []string{"subnet_id", "vpc_id"},
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},
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"traffic_type": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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},
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}
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}
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func resourceAwsLogFlowCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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types := []struct {
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ID string
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Type string
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}{
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{ID: d.Get("vpc_id").(string), Type: "VPC"},
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{ID: d.Get("subnet_id").(string), Type: "Subnet"},
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{ID: d.Get("eni_id").(string), Type: "NetworkInterface"},
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}
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var resourceId string
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var resourceType string
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for _, t := range types {
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if t.ID != "" {
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resourceId = t.ID
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resourceType = t.Type
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break
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}
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}
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if resourceId == "" || resourceType == "" {
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return fmt.Errorf("Error: Flow Logs require either a VPC, Subnet, or ENI ID")
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}
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opts := &ec2.CreateFlowLogsInput{
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DeliverLogsPermissionARN: aws.String(d.Get("iam_role_arn").(string)),
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LogGroupName: aws.String(d.Get("log_group_name").(string)),
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ResourceIDs: []*string{aws.String(resourceId)},
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ResourceType: aws.String(resourceType),
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TrafficType: aws.String(d.Get("traffic_type").(string)),
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}
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log.Printf(
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"[DEBUG] Flow Log Create configuration: %s", opts)
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resp, err := conn.CreateFlowLogs(opts)
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if err != nil {
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return fmt.Errorf("Error creating Flow Log for (%s), error: %s", resourceId, err)
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}
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if len(resp.FlowLogIDs) > 1 {
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return fmt.Errorf("Error: multiple Flow Logs created for (%s)", resourceId)
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}
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d.SetId(*resp.FlowLogIDs[0])
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return resourceAwsLogFlowRead(d, meta)
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}
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func resourceAwsLogFlowRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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opts := &ec2.DescribeFlowLogsInput{
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FlowLogIDs: []*string{aws.String(d.Id())},
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}
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resp, err := conn.DescribeFlowLogs(opts)
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if err != nil {
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log.Printf("[WARN] Error describing Flow Logs for id (%s)", d.Id())
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d.SetId("")
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return nil
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}
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if len(resp.FlowLogs) == 0 {
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log.Printf("[WARN] No Flow Logs found for id (%s)", d.Id())
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d.SetId("")
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return nil
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}
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fl := resp.FlowLogs[0]
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d.Set("traffic_type", fl.TrafficType)
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d.Set("log_group_name", fl.LogGroupName)
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d.Set("iam_role_arn", fl.DeliverLogsPermissionARN)
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return nil
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}
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func resourceAwsLogFlowDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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log.Printf(
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"[DEBUG] Flow Log Destroy: %s", d.Id())
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_, err := conn.DeleteFlowLogs(&ec2.DeleteFlowLogsInput{
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FlowLogIDs: []*string{aws.String(d.Id())},
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})
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if err != nil {
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return fmt.Errorf("[WARN] Error deleting Flow Log with ID (%s), error: %s", d.Id(), err)
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}
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return nil
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}
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