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data_source_viettelidc_compute_aggregate_v2.go
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data_source_viettelidc_compute_aggregate_v2.go
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package viettelidc
import (
"context"
"strconv"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/aggregates"
)
func dataSourceComputeAggregateV2() *schema.Resource {
return &schema.Resource{
ReadContext: dataSourceComputeAggregateV2Read,
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"zone": {
Type: schema.TypeString,
Computed: true,
},
"metadata": {
Type: schema.TypeMap,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Optional: true,
},
"hosts": {
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Optional: true,
},
},
}
}
func dataSourceComputeAggregateV2Read(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
config := meta.(*Config)
region := GetRegion(d, config)
computeClient, err := config.ComputeV2Client(region)
if err != nil {
return diag.Errorf("Error creating OpenStack compute client: %s", err)
}
allPages, err := aggregates.List(computeClient).AllPages()
if err != nil {
return diag.Errorf("Error listing compute aggregates: %s", err)
}
allAggregates, err := aggregates.ExtractAggregates(allPages)
if err != nil {
return diag.Errorf("Error extracting compute aggregates: %s", err)
}
name := d.Get("name").(string)
var refinedAggregates []aggregates.Aggregate
for _, aggregate := range allAggregates {
if aggregate.Name == name {
refinedAggregates = append(refinedAggregates, aggregate)
}
}
if len(refinedAggregates) < 1 {
return diag.Errorf("Could not find any host aggregate with this name: %s", name)
}
if len(refinedAggregates) > 1 {
return diag.Errorf("More than one object found with this name: %s", name)
}
aggr := refinedAggregates[0]
// Metadata is redundant with Availability Zone
metadata := aggr.Metadata
_, ok := metadata["availability_zone"]
if ok {
delete(metadata, "availability_zone")
}
idStr := strconv.Itoa(aggr.ID)
d.SetId(idStr)
d.Set("name", aggr.Name)
d.Set("zone", aggr.AvailabilityZone)
d.Set("hosts", aggr.Hosts)
d.Set("metadata", metadata)
return nil
}