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resource_aws_ssm_parameter.go
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resource_aws_ssm_parameter.go
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package aws
import (
"fmt"
"log"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/arn"
"github.com/aws/aws-sdk-go/service/ssm"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
)
func resourceAwsSsmParameter() *schema.Resource {
return &schema.Resource{
Create: resourceAwsSsmParameterPut,
Read: resourceAwsSsmParameterRead,
Update: resourceAwsSsmParameterPut,
Delete: resourceAwsSsmParameterDelete,
Exists: resourceAwsSmmParameterExists,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"description": {
Type: schema.TypeString,
Optional: true,
},
"type": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringInSlice([]string{
ssm.ParameterTypeString,
ssm.ParameterTypeStringList,
ssm.ParameterTypeSecureString,
}, false),
},
"value": {
Type: schema.TypeString,
Required: true,
Sensitive: true,
},
"arn": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"key_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"overwrite": {
Type: schema.TypeBool,
Optional: true,
},
"allowed_pattern": {
Type: schema.TypeString,
Optional: true,
},
"tags": tagsSchema(),
},
}
}
func resourceAwsSmmParameterExists(d *schema.ResourceData, meta interface{}) (bool, error) {
ssmconn := meta.(*AWSClient).ssmconn
resp, err := ssmconn.GetParameters(&ssm.GetParametersInput{
Names: []*string{aws.String(d.Id())},
WithDecryption: aws.Bool(true),
})
if err != nil {
return false, err
}
return len(resp.InvalidParameters) == 0, nil
}
func resourceAwsSsmParameterRead(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[DEBUG] Reading SSM Parameter: %s", d.Id())
resp, err := ssmconn.GetParameters(&ssm.GetParametersInput{
Names: []*string{aws.String(d.Id())},
WithDecryption: aws.Bool(true),
})
if err != nil {
return fmt.Errorf("error getting SSM parameter: %s", err)
}
if len(resp.Parameters) == 0 {
log.Printf("[WARN] SSM Param %q not found, removing from state", d.Id())
d.SetId("")
return nil
}
param := resp.Parameters[0]
d.Set("name", param.Name)
d.Set("type", param.Type)
d.Set("value", param.Value)
describeParamsInput := &ssm.DescribeParametersInput{
Filters: []*ssm.ParametersFilter{
&ssm.ParametersFilter{
Key: aws.String("Name"),
Values: []*string{aws.String(d.Get("name").(string))},
},
},
}
detailedParameters := []*ssm.ParameterMetadata{}
err = ssmconn.DescribeParametersPages(describeParamsInput,
func(page *ssm.DescribeParametersOutput, lastPage bool) bool {
detailedParameters = append(detailedParameters, page.Parameters...)
return !lastPage
})
if err != nil {
return fmt.Errorf("error describing SSM parameter: %s", err)
}
if len(detailedParameters) == 0 {
log.Printf("[WARN] SSM Param %q not found, removing from state", d.Id())
d.SetId("")
return nil
}
detail := detailedParameters[0]
d.Set("key_id", detail.KeyId)
d.Set("description", detail.Description)
d.Set("allowed_pattern", detail.AllowedPattern)
if tagList, err := ssmconn.ListTagsForResource(&ssm.ListTagsForResourceInput{
ResourceId: aws.String(d.Get("name").(string)),
ResourceType: aws.String("Parameter"),
}); err != nil {
return fmt.Errorf("Failed to get SSM parameter tags for %s: %s", d.Get("name"), err)
} else {
d.Set("tags", tagsToMapSSM(tagList.TagList))
}
arn := arn.ARN{
Partition: meta.(*AWSClient).partition,
Region: meta.(*AWSClient).region,
Service: "ssm",
AccountID: meta.(*AWSClient).accountid,
Resource: fmt.Sprintf("parameter/%s", strings.TrimPrefix(d.Id(), "/")),
}
d.Set("arn", arn.String())
return nil
}
func resourceAwsSsmParameterDelete(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Deleting SSM Parameter: %s", d.Id())
_, err := ssmconn.DeleteParameter(&ssm.DeleteParameterInput{
Name: aws.String(d.Get("name").(string)),
})
if err != nil {
return err
}
return nil
}
func resourceAwsSsmParameterPut(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Creating SSM Parameter: %s", d.Get("name").(string))
paramInput := &ssm.PutParameterInput{
Name: aws.String(d.Get("name").(string)),
Type: aws.String(d.Get("type").(string)),
Value: aws.String(d.Get("value").(string)),
Overwrite: aws.Bool(shouldUpdateSsmParameter(d)),
AllowedPattern: aws.String(d.Get("allowed_pattern").(string)),
}
if d.HasChange("description") {
_, n := d.GetChange("description")
paramInput.Description = aws.String(n.(string))
}
if keyID, ok := d.GetOk("key_id"); ok {
log.Printf("[DEBUG] Setting key_id for SSM Parameter %v: %s", d.Get("name"), keyID)
paramInput.SetKeyId(keyID.(string))
}
log.Printf("[DEBUG] Waiting for SSM Parameter %v to be updated", d.Get("name"))
if _, err := ssmconn.PutParameter(paramInput); err != nil {
return fmt.Errorf("error creating SSM parameter: %s", err)
}
if err := setTagsSSM(ssmconn, d, d.Get("name").(string), "Parameter"); err != nil {
return fmt.Errorf("error creating SSM parameter tags: %s", err)
}
d.SetId(d.Get("name").(string))
return resourceAwsSsmParameterRead(d, meta)
}
func shouldUpdateSsmParameter(d *schema.ResourceData) bool {
// If the user has specified a preference, return their preference
if value, ok := d.GetOkExists("overwrite"); ok {
return value.(bool)
}
// Since the user has not specified a preference, obey lifecycle rules
// if it is not a new resource, otherwise overwrite should be set to false.
return !d.IsNewResource()
}