terraform/builtin/providers/kubernetes/resource_kubernetes_limit_r...

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package kubernetes
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
pkgApi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
api "k8s.io/kubernetes/pkg/api/v1"
kubernetes "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
)
func resourceKubernetesLimitRange() *schema.Resource {
return &schema.Resource{
Create: resourceKubernetesLimitRangeCreate,
Read: resourceKubernetesLimitRangeRead,
Exists: resourceKubernetesLimitRangeExists,
Update: resourceKubernetesLimitRangeUpdate,
Delete: resourceKubernetesLimitRangeDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"metadata": namespacedMetadataSchema("limit range", true),
"spec": {
Type: schema.TypeList,
Description: "Spec defines the limits enforced. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status",
Optional: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"limit": {
Type: schema.TypeList,
Description: "Limits is the list of objects that are enforced.",
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"default": {
Type: schema.TypeMap,
Description: "Default resource requirement limit value by resource name if resource limit is omitted.",
Optional: true,
},
"default_request": {
Type: schema.TypeMap,
Description: "The default resource requirement request value by resource name if resource request is omitted.",
Optional: true,
Computed: true,
},
"max": {
Type: schema.TypeMap,
Description: "Max usage constraints on this kind by resource name.",
Optional: true,
},
"max_limit_request_ratio": {
Type: schema.TypeMap,
Description: "The named resource must have a request and limit that are both non-zero where limit divided by request is less than or equal to the enumerated value; this represents the max burst for the named resource.",
Optional: true,
},
"min": {
Type: schema.TypeMap,
Description: "Min usage constraints on this kind by resource name.",
Optional: true,
},
"type": {
Type: schema.TypeString,
Description: "Type of resource that this limit applies to.",
Optional: true,
},
},
},
},
},
},
},
},
}
}
func resourceKubernetesLimitRangeCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
metadata := expandMetadata(d.Get("metadata").([]interface{}))
spec, err := expandLimitRangeSpec(d.Get("spec").([]interface{}), d.IsNewResource())
if err != nil {
return err
}
limitRange := api.LimitRange{
ObjectMeta: metadata,
Spec: spec,
}
log.Printf("[INFO] Creating new limit range: %#v", limitRange)
out, err := conn.CoreV1().LimitRanges(metadata.Namespace).Create(&limitRange)
if err != nil {
return fmt.Errorf("Failed to create limit range: %s", err)
}
log.Printf("[INFO] Submitted new limit range: %#v", out)
d.SetId(buildId(out.ObjectMeta))
return resourceKubernetesLimitRangeRead(d, meta)
}
func resourceKubernetesLimitRangeRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name := idParts(d.Id())
log.Printf("[INFO] Reading limit range %s", name)
limitRange, err := conn.CoreV1().LimitRanges(namespace).Get(name)
if err != nil {
log.Printf("[DEBUG] Received error: %#v", err)
return err
}
log.Printf("[INFO] Received limit range: %#v", limitRange)
err = d.Set("metadata", flattenMetadata(limitRange.ObjectMeta))
if err != nil {
return err
}
err = d.Set("spec", flattenLimitRangeSpec(limitRange.Spec))
if err != nil {
return err
}
return nil
}
func resourceKubernetesLimitRangeUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name := idParts(d.Id())
ops := patchMetadata("metadata.0.", "/metadata/", d)
if d.HasChange("spec") {
spec, err := expandLimitRangeSpec(d.Get("spec").([]interface{}), d.IsNewResource())
if err != nil {
return err
}
ops = append(ops, &ReplaceOperation{
Path: "/spec",
Value: spec,
})
}
data, err := ops.MarshalJSON()
if err != nil {
return fmt.Errorf("Failed to marshal update operations: %s", err)
}
log.Printf("[INFO] Updating limit range %q: %v", name, string(data))
out, err := conn.CoreV1().LimitRanges(namespace).Patch(name, pkgApi.JSONPatchType, data)
if err != nil {
return fmt.Errorf("Failed to update limit range: %s", err)
}
log.Printf("[INFO] Submitted updated limit range: %#v", out)
d.SetId(buildId(out.ObjectMeta))
return resourceKubernetesLimitRangeRead(d, meta)
}
func resourceKubernetesLimitRangeDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name := idParts(d.Id())
log.Printf("[INFO] Deleting limit range: %#v", name)
err := conn.CoreV1().LimitRanges(namespace).Delete(name, &api.DeleteOptions{})
if err != nil {
return err
}
log.Printf("[INFO] Limit range %s deleted", name)
d.SetId("")
return nil
}
func resourceKubernetesLimitRangeExists(d *schema.ResourceData, meta interface{}) (bool, error) {
conn := meta.(*kubernetes.Clientset)
namespace, name := idParts(d.Id())
log.Printf("[INFO] Checking limit range %s", name)
_, err := conn.CoreV1().LimitRanges(namespace).Get(name)
if err != nil {
if statusErr, ok := err.(*errors.StatusError); ok && statusErr.ErrStatus.Code == 404 {
return false, nil
}
log.Printf("[DEBUG] Received error: %#v", err)
}
return true, err
}