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datasource_digitalocean_spaces_bucket_objects.go
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datasource_digitalocean_spaces_bucket_objects.go
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package digitalocean
import (
"context"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
)
const keyRequestPageSize = 1000
func dataSourceDigitalOceanSpacesBucketObjects() *schema.Resource {
return &schema.Resource{
ReadContext: dataSourceDigitalOceanSpacesBucketObjectsRead,
Schema: map[string]*schema.Schema{
"bucket": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringIsNotEmpty,
},
"region": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringInSlice(SpacesRegions, true),
},
"prefix": {
Type: schema.TypeString,
Optional: true,
},
"delimiter": {
Type: schema.TypeString,
Optional: true,
},
"encoding_type": {
Type: schema.TypeString,
Optional: true,
},
"max_keys": {
Type: schema.TypeInt,
Optional: true,
Default: 1000,
},
// computed attributes
"keys": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"common_prefixes": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"owners": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
}
}
func dataSourceDigitalOceanSpacesBucketObjectsRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
region := d.Get("region").(string)
client, err := meta.(*CombinedConfig).spacesClient(region)
if err != nil {
return diag.FromErr(err)
}
conn := s3.New(client)
bucket := d.Get("bucket").(string)
prefix := d.Get("prefix").(string)
d.SetId(resource.UniqueId())
listInput := s3.ListObjectsInput{
Bucket: aws.String(bucket),
}
if prefix != "" {
listInput.Prefix = aws.String(prefix)
}
if s, ok := d.GetOk("delimiter"); ok {
listInput.Delimiter = aws.String(s.(string))
}
if s, ok := d.GetOk("encoding_type"); ok {
listInput.EncodingType = aws.String(s.(string))
}
// "listInput.MaxKeys" refers to max keys returned in a single request
// (i.e., page size), not the total number of keys returned if you page
// through the results. "maxKeys" does refer to total keys returned.
maxKeys := int64(d.Get("max_keys").(int))
if maxKeys <= keyRequestPageSize {
listInput.MaxKeys = aws.Int64(maxKeys)
}
var commonPrefixes []string
var keys []string
var owners []string
err = conn.ListObjectsPages(&listInput, func(page *s3.ListObjectsOutput, lastPage bool) bool {
for _, commonPrefix := range page.CommonPrefixes {
commonPrefixes = append(commonPrefixes, aws.StringValue(commonPrefix.Prefix))
}
for _, object := range page.Contents {
keys = append(keys, aws.StringValue(object.Key))
if object.Owner != nil {
owners = append(owners, aws.StringValue(object.Owner.ID))
}
}
maxKeys = maxKeys - int64(len(page.Contents))
if maxKeys <= keyRequestPageSize {
listInput.MaxKeys = aws.Int64(maxKeys)
}
return !lastPage
})
if err != nil {
return diag.Errorf("error listing Spaces Bucket (%s) Objects: %s", bucket, err)
}
if err := d.Set("common_prefixes", commonPrefixes); err != nil {
return diag.Errorf("error setting common_prefixes: %s", err)
}
if err := d.Set("keys", keys); err != nil {
return diag.Errorf("error setting keys: %s", err)
}
if err := d.Set("owners", owners); err != nil {
return diag.Errorf("error setting owners: %s", err)
}
return nil
}