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data_source_alicloud_ots_tables.go
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data_source_alicloud_ots_tables.go
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package alicloud
import (
"fmt"
"regexp"
"github.com/aliyun/aliyun-tablestore-go-sdk/tablestore"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-alicloud/alicloud/connectivity"
)
func dataSourceAlicloudOtsTables() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudOtsTablesRead,
Schema: map[string]*schema.Schema{
"instance_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"ids": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
ForceNew: true,
MinItems: 1,
},
"name_regex": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validateNameRegex,
},
"output_file": {
Type: schema.TypeString,
Optional: true,
},
// Computed values
"names": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"tables": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Computed: true,
},
"instance_name": {
Type: schema.TypeString,
Computed: true,
},
"table_name": {
Type: schema.TypeString,
Computed: true,
},
"primary_key": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Computed: true,
},
"type": {
Type: schema.TypeString,
Computed: true,
},
},
},
MaxItems: 4,
},
"time_to_live": {
Type: schema.TypeInt,
Computed: true,
},
"max_version": {
Type: schema.TypeInt,
Computed: true,
},
},
},
},
},
}
}
type OtsTableInfo struct {
instanceName string
tableName string
primaryKey []*tablestore.PrimaryKeySchema
timeToLive int
maxVersion int
}
func dataSourceAlicloudOtsTablesRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
otsService := OtsService{client}
instanceName := d.Get("instance_name").(string)
listTableResp, err := otsService.ListOtsTable(instanceName)
if err != nil {
return WrapErrorf(err, DefaultErrorMsg, "alicloud_ots_tables", "ListOtsTable", AlibabaCloudSdkGoERROR)
}
idsMap := make(map[string]bool)
if v, ok := d.GetOk("ids"); ok && len(v.([]interface{})) > 0 {
for _, x := range v.([]interface{}) {
idsMap[x.(string)] = true
}
}
var nameReg *regexp.Regexp
if v, ok := d.GetOk("name_regex"); ok && v.(string) != "" {
nameReg = regexp.MustCompile(v.(string))
}
var filteredTableNames []string
for _, tableName := range listTableResp.TableNames {
//name_regex mismatch
if nameReg != nil && !nameReg.MatchString(tableName) {
continue
}
// ids mismatch
if len(idsMap) != 0 {
id := fmt.Sprintf("%s%s%s", instanceName, COLON_SEPARATED, tableName)
if _, ok := idsMap[id]; !ok {
continue
}
}
filteredTableNames = append(filteredTableNames, tableName)
}
// get full table info via DescribeTable
var allTableInfos []OtsTableInfo
for _, tableName := range filteredTableNames {
describeResp, err := otsService.DescribeOtsTable(instanceName, tableName)
if err != nil {
return WrapErrorf(err, DefaultErrorMsg, "alicloud_ots_tables", "DescribeOtsTable", AlibabaCloudSdkGoERROR)
}
allTableInfos = append(allTableInfos, OtsTableInfo{
instanceName: instanceName,
tableName: describeResp.TableMeta.TableName,
primaryKey: describeResp.TableMeta.SchemaEntry,
timeToLive: describeResp.TableOption.TimeToAlive,
maxVersion: describeResp.TableOption.MaxVersion,
})
}
return otsTablesDescriptionAttributes(d, allTableInfos, meta)
}
func otsTablesDescriptionAttributes(d *schema.ResourceData, tableInfos []OtsTableInfo, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
otsService := OtsService{client}
var ids []string
var names []string
var s []map[string]interface{}
for _, table := range tableInfos {
id := fmt.Sprintf("%s:%s", table.instanceName, table.tableName)
mapping := map[string]interface{}{
"id": id,
"instance_name": table.instanceName,
"table_name": table.tableName,
"time_to_live": table.timeToLive,
"max_version": table.maxVersion,
}
var primaryKey []map[string]interface{}
for _, pk := range table.primaryKey {
pkColumn := make(map[string]interface{})
pkColumn["name"] = *pk.Name
pkColumn["type"] = otsService.convertPrimaryKeyType(*pk.Type)
primaryKey = append(primaryKey, pkColumn)
}
mapping["primary_key"] = primaryKey
names = append(names, table.tableName)
ids = append(ids, id)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("tables", s); err != nil {
return WrapError(err)
}
if err := d.Set("names", names); err != nil {
return WrapError(err)
}
if err := d.Set("ids", ids); err != nil {
return WrapError(err)
}
// create a json file in current directory and write data source to it.
if output, ok := d.GetOk("output_file"); ok && output.(string) != "" {
writeToFile(output.(string), s)
}
return nil
}