forked from hashicorp/terraform-provider-aws
/
data_source_aws_db_snapshot.go
229 lines (206 loc) · 5.78 KB
/
data_source_aws_db_snapshot.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
package aws
import (
"fmt"
"log"
"sort"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/rds"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsDbSnapshot() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsDbSnapshotRead,
Schema: map[string]*schema.Schema{
//selection criteria
"db_instance_identifier": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"db_snapshot_identifier": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"snapshot_type": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"include_shared": {
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
Default: false,
},
"include_public": {
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
Default: false,
},
"most_recent": {
Type: schema.TypeBool,
Optional: true,
Default: false,
ForceNew: true,
},
//Computed values returned
"allocated_storage": {
Type: schema.TypeInt,
Computed: true,
},
"availability_zone": {
Type: schema.TypeString,
Computed: true,
},
"db_snapshot_arn": {
Type: schema.TypeString,
Computed: true,
},
"encrypted": {
Type: schema.TypeBool,
Computed: true,
},
"engine": {
Type: schema.TypeString,
Computed: true,
},
"engine_version": {
Type: schema.TypeString,
Computed: true,
},
"iops": {
Type: schema.TypeInt,
Computed: true,
},
"kms_key_id": {
Type: schema.TypeString,
Computed: true,
},
"license_model": {
Type: schema.TypeString,
Computed: true,
},
"option_group_name": {
Type: schema.TypeString,
Computed: true,
},
"port": {
Type: schema.TypeInt,
Computed: true,
},
"source_db_snapshot_identifier": {
Type: schema.TypeString,
Computed: true,
},
"source_region": {
Type: schema.TypeString,
Computed: true,
},
"snapshot_create_time": {
Type: schema.TypeString,
Computed: true,
},
"status": {
Type: schema.TypeString,
Computed: true,
},
"storage_type": {
Type: schema.TypeString,
Computed: true,
},
"vpc_id": {
Type: schema.TypeString,
Computed: true,
},
},
}
}
func dataSourceAwsDbSnapshotRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).rdsconn
instanceIdentifier, instanceIdentifierOk := d.GetOk("db_instance_identifier")
snapshotIdentifier, snapshotIdentifierOk := d.GetOk("db_snapshot_identifier")
if !instanceIdentifierOk && !snapshotIdentifierOk {
return fmt.Errorf("One of db_snapshot_identifier or db_instance_identifier must be assigned")
}
params := &rds.DescribeDBSnapshotsInput{
IncludePublic: aws.Bool(d.Get("include_public").(bool)),
IncludeShared: aws.Bool(d.Get("include_shared").(bool)),
}
if v, ok := d.GetOk("snapshot_type"); ok {
params.SnapshotType = aws.String(v.(string))
}
if instanceIdentifierOk {
params.DBInstanceIdentifier = aws.String(instanceIdentifier.(string))
}
if snapshotIdentifierOk {
params.DBSnapshotIdentifier = aws.String(snapshotIdentifier.(string))
}
log.Printf("[DEBUG] Reading DB Snapshot: %s", params)
resp, err := conn.DescribeDBSnapshots(params)
if err != nil {
return err
}
if len(resp.DBSnapshots) < 1 {
return fmt.Errorf("Your query returned no results. Please change your search criteria and try again.")
}
var snapshot *rds.DBSnapshot
if len(resp.DBSnapshots) > 1 {
recent := d.Get("most_recent").(bool)
log.Printf("[DEBUG] aws_db_snapshot - multiple results found and `most_recent` is set to: %t", recent)
if recent {
snapshot = mostRecentDbSnapshot(resp.DBSnapshots)
} else {
return fmt.Errorf("Your query returned more than one result. Please try a more specific search criteria.")
}
} else {
snapshot = resp.DBSnapshots[0]
}
return dbSnapshotDescriptionAttributes(d, snapshot)
}
type rdsSnapshotSort []*rds.DBSnapshot
func (a rdsSnapshotSort) Len() int { return len(a) }
func (a rdsSnapshotSort) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a rdsSnapshotSort) Less(i, j int) bool {
// Snapshot creation can be in progress
if a[i].SnapshotCreateTime == nil {
return true
}
if a[j].SnapshotCreateTime == nil {
return false
}
return (*a[i].SnapshotCreateTime).Before(*a[j].SnapshotCreateTime)
}
func mostRecentDbSnapshot(snapshots []*rds.DBSnapshot) *rds.DBSnapshot {
sortedSnapshots := snapshots
sort.Sort(rdsSnapshotSort(sortedSnapshots))
return sortedSnapshots[len(sortedSnapshots)-1]
}
func dbSnapshotDescriptionAttributes(d *schema.ResourceData, snapshot *rds.DBSnapshot) error {
d.SetId(*snapshot.DBSnapshotIdentifier)
d.Set("db_instance_identifier", snapshot.DBInstanceIdentifier)
d.Set("db_snapshot_identifier", snapshot.DBSnapshotIdentifier)
d.Set("snapshot_type", snapshot.SnapshotType)
d.Set("storage_type", snapshot.StorageType)
d.Set("allocated_storage", snapshot.AllocatedStorage)
d.Set("availability_zone", snapshot.AvailabilityZone)
d.Set("db_snapshot_arn", snapshot.DBSnapshotArn)
d.Set("encrypted", snapshot.Encrypted)
d.Set("engine", snapshot.Engine)
d.Set("engine_version", snapshot.EngineVersion)
d.Set("iops", snapshot.Iops)
d.Set("kms_key_id", snapshot.KmsKeyId)
d.Set("license_model", snapshot.LicenseModel)
d.Set("option_group_name", snapshot.OptionGroupName)
d.Set("port", snapshot.Port)
d.Set("source_db_snapshot_identifier", snapshot.SourceDBSnapshotIdentifier)
d.Set("source_region", snapshot.SourceRegion)
d.Set("status", snapshot.Status)
d.Set("vpc_id", snapshot.VpcId)
if snapshot.SnapshotCreateTime != nil {
d.Set("snapshot_create_time", snapshot.SnapshotCreateTime.Format(time.RFC3339))
}
return nil
}