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data_source_ibm_is_instance_group.go
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data_source_ibm_is_instance_group.go
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// Copyright IBM Corp. 2017, 2021 All Rights Reserved.
// Licensed under the Mozilla Public License v2.0
package vpc
import (
"fmt"
"github.com/IBM-Cloud/terraform-provider-ibm/ibm/flex"
"github.com/IBM/vpc-go-sdk/vpcv1"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
func DataSourceIBMISInstanceGroup() *schema.Resource {
return &schema.Resource{
Read: dataSourceIBMISInstanceGroupRead,
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
Description: "The user-defined name for this instance group",
},
"instance_template": {
Type: schema.TypeString,
Computed: true,
Description: "instance template ID",
},
"membership_count": {
Type: schema.TypeInt,
Computed: true,
Description: "The number of instances in the instance group",
},
"resource_group": {
Type: schema.TypeString,
Computed: true,
Description: "Resource group ID",
},
"crn": {
Type: schema.TypeString,
Computed: true,
Description: "The CRN for this instance group",
},
"subnets": {
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Description: "list of subnet IDs",
},
"application_port": {
Type: schema.TypeInt,
Computed: true,
Description: "Used by the instance group when scaling up instances to supply the port for the load balancer pool member.",
},
"load_balancer_pool": {
Type: schema.TypeString,
Computed: true,
Description: "load balancer pool ID",
},
"managers": {
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Description: "list of Managers associated with instancegroup",
},
"vpc": {
Type: schema.TypeString,
Computed: true,
Description: "vpc instance",
},
"status": {
Type: schema.TypeString,
Computed: true,
Description: "Instance group status - deleting, healthy, scaling, unhealthy",
},
},
}
}
func dataSourceIBMISInstanceGroupRead(d *schema.ResourceData, meta interface{}) error {
sess, err := vpcClient(meta)
if err != nil {
return err
}
name := d.Get("name")
// Support for pagination
start := ""
allrecs := []vpcv1.InstanceGroup{}
for {
listInstanceGroupOptions := vpcv1.ListInstanceGroupsOptions{}
if start != "" {
listInstanceGroupOptions.Start = &start
}
instanceGroupsCollection, response, err := sess.ListInstanceGroups(&listInstanceGroupOptions)
if err != nil {
return fmt.Errorf("[ERROR] Error Fetching InstanceGroups %s\n%s", err, response)
}
start = flex.GetNext(instanceGroupsCollection.Next)
allrecs = append(allrecs, instanceGroupsCollection.InstanceGroups...)
if start == "" {
break
}
}
for _, instanceGroup := range allrecs {
if *instanceGroup.Name == name {
d.Set("name", *instanceGroup.Name)
d.Set("instance_template", *instanceGroup.InstanceTemplate.ID)
d.Set("membership_count", *instanceGroup.MembershipCount)
d.Set("resource_group", *instanceGroup.ResourceGroup.ID)
d.Set("crn", *instanceGroup.CRN)
d.SetId(*instanceGroup.ID)
if instanceGroup.ApplicationPort != nil {
d.Set("application_port", *instanceGroup.ApplicationPort)
}
subnets := make([]string, 0)
for i := 0; i < len(instanceGroup.Subnets); i++ {
subnets = append(subnets, string(*(instanceGroup.Subnets[i].ID)))
}
if instanceGroup.LoadBalancerPool != nil {
d.Set("load_balancer_pool", *instanceGroup.LoadBalancerPool.ID)
}
d.Set("subnets", subnets)
managers := make([]string, 0)
for i := 0; i < len(instanceGroup.Managers); i++ {
managers = append(managers, string(*(instanceGroup.Managers[i].ID)))
}
d.Set("managers", managers)
d.Set("vpc", *instanceGroup.VPC.ID)
d.Set("status", *instanceGroup.Status)
return nil
}
}
return fmt.Errorf("Instance group %s not found", name)
}