forked from hashicorp/terraform-provider-aws
/
resource_aws_neptune_parameter_group.go
291 lines (250 loc) · 8.15 KB
/
resource_aws_neptune_parameter_group.go
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package aws
import (
"fmt"
"log"
"strings"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/neptune"
)
// We can only modify 20 parameters at a time, so walk them until
// we've got them all.
const maxParams = 20
func resourceAwsNeptuneParameterGroup() *schema.Resource {
return &schema.Resource{
Create: resourceAwsNeptuneParameterGroupCreate,
Read: resourceAwsNeptuneParameterGroupRead,
Update: resourceAwsNeptuneParameterGroupUpdate,
Delete: resourceAwsNeptuneParameterGroupDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"arn": {
Type: schema.TypeString,
Computed: true,
},
"name": {
Type: schema.TypeString,
ForceNew: true,
Required: true,
StateFunc: func(val interface{}) string {
return strings.ToLower(val.(string))
},
},
"family": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"description": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Default: "Managed by Terraform",
},
"parameter": {
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"value": {
Type: schema.TypeString,
Required: true,
},
"apply_method": {
Type: schema.TypeString,
Optional: true,
Default: neptune.ApplyMethodPendingReboot,
ValidateFunc: validation.StringInSlice([]string{
neptune.ApplyMethodImmediate,
neptune.ApplyMethodPendingReboot,
}, false),
},
},
},
},
"tags": tagsSchema(),
},
}
}
func resourceAwsNeptuneParameterGroupCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).neptuneconn
createOpts := neptune.CreateDBParameterGroupInput{
DBParameterGroupName: aws.String(d.Get("name").(string)),
DBParameterGroupFamily: aws.String(d.Get("family").(string)),
Description: aws.String(d.Get("description").(string)),
}
log.Printf("[DEBUG] Create Neptune Parameter Group: %#v", createOpts)
resp, err := conn.CreateDBParameterGroup(&createOpts)
if err != nil {
return fmt.Errorf("Error creating Neptune Parameter Group: %s", err)
}
d.Partial(true)
d.SetPartial("name")
d.SetPartial("family")
d.SetPartial("description")
d.Partial(false)
d.SetId(*resp.DBParameterGroup.DBParameterGroupName)
d.Set("arn", resp.DBParameterGroup.DBParameterGroupArn)
log.Printf("[INFO] Neptune Parameter Group ID: %s", d.Id())
return resourceAwsNeptuneParameterGroupUpdate(d, meta)
}
func resourceAwsNeptuneParameterGroupRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).neptuneconn
describeOpts := neptune.DescribeDBParameterGroupsInput{
DBParameterGroupName: aws.String(d.Id()),
}
describeResp, err := conn.DescribeDBParameterGroups(&describeOpts)
if err != nil {
if isAWSErr(err, neptune.ErrCodeDBParameterGroupNotFoundFault, "") {
log.Printf("[WARN] Neptune Parameter Group (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
return err
}
if describeResp == nil {
return fmt.Errorf("Unable to get Describe Response for Neptune Parameter Group (%s)", d.Id())
}
if len(describeResp.DBParameterGroups) != 1 ||
*describeResp.DBParameterGroups[0].DBParameterGroupName != d.Id() {
return fmt.Errorf("Unable to find Parameter Group: %#v", describeResp.DBParameterGroups)
}
arn := aws.StringValue(describeResp.DBParameterGroups[0].DBParameterGroupArn)
d.Set("arn", arn)
d.Set("name", describeResp.DBParameterGroups[0].DBParameterGroupName)
d.Set("family", describeResp.DBParameterGroups[0].DBParameterGroupFamily)
d.Set("description", describeResp.DBParameterGroups[0].Description)
// Only include user customized parameters as there's hundreds of system/default ones
describeParametersOpts := neptune.DescribeDBParametersInput{
DBParameterGroupName: aws.String(d.Id()),
Source: aws.String("user"),
}
var parameters []*neptune.Parameter
err = conn.DescribeDBParametersPages(&describeParametersOpts,
func(describeParametersResp *neptune.DescribeDBParametersOutput, lastPage bool) bool {
parameters = append(parameters, describeParametersResp.Parameters...)
return !lastPage
})
if err != nil {
return err
}
if err := d.Set("parameter", flattenNeptuneParameters(parameters)); err != nil {
return fmt.Errorf("error setting parameter: %s", err)
}
resp, err := conn.ListTagsForResource(&neptune.ListTagsForResourceInput{
ResourceName: aws.String(arn),
})
if err != nil {
log.Printf("[DEBUG] Error retrieving tags for ARN: %s", arn)
}
if err := d.Set("tags", tagsToMapNeptune(resp.TagList)); err != nil {
return fmt.Errorf("error setting neptune tags: %s", err)
}
return nil
}
func resourceAwsNeptuneParameterGroupUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).neptuneconn
d.Partial(true)
if d.HasChange("parameter") {
o, n := d.GetChange("parameter")
if o == nil {
o = new(schema.Set)
}
if n == nil {
n = new(schema.Set)
}
os := o.(*schema.Set)
ns := n.(*schema.Set)
toRemove, err := expandNeptuneParameters(os.Difference(ns).List())
if err != nil {
return err
}
log.Printf("[DEBUG] Parameters to remove: %#v", toRemove)
toAdd, err := expandNeptuneParameters(ns.Difference(os).List())
if err != nil {
return err
}
log.Printf("[DEBUG] Parameters to add: %#v", toAdd)
for len(toRemove) > 0 {
paramsToModify := make([]*neptune.Parameter, 0)
if len(toRemove) <= maxParams {
paramsToModify, toRemove = toRemove[:], nil
} else {
paramsToModify, toRemove = toRemove[:maxParams], toRemove[maxParams:]
}
resetOpts := neptune.ResetDBParameterGroupInput{
DBParameterGroupName: aws.String(d.Get("name").(string)),
Parameters: paramsToModify,
}
log.Printf("[DEBUG] Reset Neptune Parameter Group: %s", resetOpts)
err := resource.Retry(30*time.Second, func() *resource.RetryError {
_, err = conn.ResetDBParameterGroup(&resetOpts)
if err != nil {
if isAWSErr(err, "InvalidDBParameterGroupState", " has pending changes") {
return resource.RetryableError(err)
}
return resource.NonRetryableError(err)
}
return nil
})
if err != nil {
return fmt.Errorf("Error resetting Neptune Parameter Group: %s", err)
}
}
for len(toAdd) > 0 {
paramsToModify := make([]*neptune.Parameter, 0)
if len(toAdd) <= maxParams {
paramsToModify, toAdd = toAdd[:], nil
} else {
paramsToModify, toAdd = toAdd[:maxParams], toAdd[maxParams:]
}
modifyOpts := neptune.ModifyDBParameterGroupInput{
DBParameterGroupName: aws.String(d.Get("name").(string)),
Parameters: paramsToModify,
}
log.Printf("[DEBUG] Modify Neptune Parameter Group: %s", modifyOpts)
_, err = conn.ModifyDBParameterGroup(&modifyOpts)
if err != nil {
return fmt.Errorf("Error modifying Neptune Parameter Group: %s", err)
}
}
d.SetPartial("parameter")
}
if d.HasChange("tags") {
err := setTagsNeptune(conn, d, d.Get("arn").(string))
if err != nil {
return fmt.Errorf("error setting Neptune Parameter Group %q tags: %s", d.Id(), err)
}
d.SetPartial("tags")
}
d.Partial(false)
return resourceAwsNeptuneParameterGroupRead(d, meta)
}
func resourceAwsNeptuneParameterGroupDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).neptuneconn
return resource.Retry(3*time.Minute, func() *resource.RetryError {
deleteOpts := neptune.DeleteDBParameterGroupInput{
DBParameterGroupName: aws.String(d.Id()),
}
_, err := conn.DeleteDBParameterGroup(&deleteOpts)
if err != nil {
if isAWSErr(err, neptune.ErrCodeDBParameterGroupNotFoundFault, "") {
return nil
}
if isAWSErr(err, neptune.ErrCodeInvalidDBParameterGroupStateFault, "") {
return resource.RetryableError(err)
}
return resource.NonRetryableError(err)
}
return nil
})
}