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data_source_alicloud_ots_instances.go
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data_source_alicloud_ots_instances.go
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package alicloud
import (
"regexp"
"github.com/aliyun/alibaba-cloud-sdk-go/services/ots"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-alicloud/alicloud/connectivity"
)
func dataSourceAlicloudOtsInstances() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudOtsInstancesRead,
Schema: map[string]*schema.Schema{
"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,
},
"tags": tagsSchema(),
"output_file": {
Type: schema.TypeString,
Optional: true,
},
// Computed values
"names": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"instances": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Computed: true,
},
"name": {
Type: schema.TypeString,
Computed: true,
},
"status": {
Type: schema.TypeString,
Computed: true,
},
"write_capacity": {
Type: schema.TypeInt,
Computed: true,
},
"read_capacity": {
Type: schema.TypeInt,
Computed: true,
},
"cluster_type": {
Type: schema.TypeString,
Computed: true,
},
"create_time": {
Type: schema.TypeString,
Computed: true,
},
"user_id": {
Type: schema.TypeString,
Computed: true,
},
"network": {
Type: schema.TypeString,
Computed: true,
},
"description": {
Type: schema.TypeString,
Computed: true,
},
"entity_quota": {
Type: schema.TypeInt,
Computed: true,
},
"tags": tagsSchemaComputed(),
},
},
},
},
}
}
func dataSourceAlicloudOtsInstancesRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
otsService := OtsService{client}
allInstanceNames, err := otsService.ListOtsInstance(PageSizeLarge, 1)
if err != nil {
return WrapErrorf(err, DefaultErrorMsg, "alicloud_ots_instances", "ListOtsInstance", 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 filteredInstanceNames []string
for _, instanceName := range allInstanceNames {
// name_regex mismatch
if nameReg != nil && !nameReg.MatchString(instanceName) {
continue
}
// ids mismatch
if len(idsMap) != 0 {
if _, ok := idsMap[instanceName]; !ok {
continue
}
}
filteredInstanceNames = append(filteredInstanceNames, instanceName)
}
// get full instance info via GetInstance
var allInstances []ots.InstanceInfo
for _, instanceName := range filteredInstanceNames {
instanceInfo, err := otsService.DescribeOtsInstance(instanceName)
if err != nil {
return WrapErrorf(err, DefaultErrorMsg, "alicloud_ots_instances", "DescribeOtsInstance", AlibabaCloudSdkGoERROR)
}
allInstances = append(allInstances, instanceInfo)
}
// filter by tag.
var filteredInstances []ots.InstanceInfo
if v, ok := d.GetOk("tags"); ok {
if vmap, ok := v.(map[string]interface{}); ok && len(vmap) > 0 {
for _, instance := range allInstances {
if tagsMapEqual(vmap, otsTagsToMap(instance.TagInfos.TagInfo)) {
filteredInstances = append(filteredInstances, instance)
}
}
} else {
filteredInstances = allInstances[:]
}
} else {
filteredInstances = allInstances[:]
}
return otsInstancesDecriptionAttributes(d, filteredInstances, meta)
}
func otsInstancesDecriptionAttributes(d *schema.ResourceData, instances []ots.InstanceInfo, meta interface{}) error {
var ids []string
var names []string
var s []map[string]interface{}
for _, instance := range instances {
mapping := map[string]interface{}{
"id": instance.InstanceName,
"name": instance.InstanceName,
"status": string(convertOtsInstanceStatusConvert(instance.Status)),
"write_capacity": instance.WriteCapacity,
"read_capacity": instance.ReadCapacity,
"cluster_type": instance.ClusterType,
"create_time": instance.CreateTime,
"user_id": instance.UserId,
"network": instance.Network,
"description": instance.Description,
"entity_quota": instance.Quota.EntityQuota,
"tags": otsTagsToMap(instance.TagInfos.TagInfo),
}
names = append(names, instance.InstanceName)
ids = append(ids, instance.InstanceName)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("instances", 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
}