Sergey Shubin svs1370
4 years ago
parent
1490c543de
commit
4f617334be
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/*
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Copyright (c) 2019-2021 Digital Energy Cloud Solutions LLC. All Rights Reserved.
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Author: Sergey Shubin, <sergey.shubin@digitalenergy.online>, <svs1370@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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This file is part of Terraform (by Hashicorp) provider for Digital Energy Cloud Orchestration
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Technology platfom.
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Visit https://github.com/rudecs/terraform-provider-decort for full source code package and updates.
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*/
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package decort
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import (
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"encoding/json"
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"fmt"
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"log"
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// "net/url"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/helper/validation"
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)
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func flattenDisk(d *schema.ResourceData, disk_facts string) error {
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// NOTE: this function modifies ResourceData argument - as such it should never be called
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// from resourceComputeExists(...) method
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model := DiskRecord{}
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log.Debugf("flattenDisk: ready to unmarshal string %q", disk_facts)
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err := json.Unmarshal([]byte(disk_facts), &model)
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if err != nil {
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return err
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}
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log.Debugf("flattenDisk: disk ID %d, disk AccountID %d", model.ID, model.AccountID)
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d.SetId(fmt.Sprintf("%d", model.ID))
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d.Set("disk_id", model.ID)
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d.Set("name", model.Name)
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d.Set("account_id", model.AccountID)
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d.Set("account_name", model.AccountName)
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d.Set("size", model.SizeMax)
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d.Set("type", model.Type)
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d.Set("image_id", model.ImageID)
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d.Set("sep_id", model.SepID)
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d.Set("sep_type", model.SepType)
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d.Set("pool", model.Pool)
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d.Set("compute_id", model.ComputeID)
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d.Set("description", model.Desc)
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d.Set("status", model.Status)
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d.Set("tech_status", model.TechStatus)
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/* we do not manage snapshots via Terraform yet, so keep this commented out for a while
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if len(model.Snapshots) > 0 {
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log.Debugf("flattenDisk: calling flattenDiskSnapshots")
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if err = d.Set("nics", flattenDiskSnapshots(model.Snapshots)); err != nil {
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return err
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}
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}
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*/
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return nil
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}
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func dataSourceDiskRead(d *schema.ResourceData, m interface{}) error {
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disk_facts, err := utilityDiskCheckPresence(d, m)
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if disk_facts == "" {
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// if empty string is returned from utilityDiskCheckPresence then there is no
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// such Disk and err tells so - just return it to the calling party
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d.SetId("") // ensure ID is empty
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return err
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}
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return flattenDisk(d, disk_facts)
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}
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func dataSourceDiskSchemaMake() map[string]*schema.Schema {
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rets := map[string]*schema.Schema {
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"name": {
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Type: schema.TypeString,
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Optional: true,
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Description: "Name of this disk. NOTE: disk names are NOT unique within an account.",
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},
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"disk_id": {
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Type: schema.TypeInt,
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Optional: true,
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Description: "ID of the disk to get. If disk ID is specified, then name, account and account ID are ignored.",
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},
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"account_id": {
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Type: schema.TypeInt,
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Optional: true,
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Description: "ID of the account this disk belongs to.",
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},
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"account_name": {
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Type: schema.TypeString,
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Optional: true,
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Description: "Name of the account this disk belongs to. If account ID is specified, account name is ignored.",
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},
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"description": {
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Type: schema.TypeString,
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Computed: true,
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Description: "User-defined text description of this disk.",
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},
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"image_id": {
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Type: schema.TypeInt,
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Computed: true,
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Description: "ID of the image, which this disk was cloned from.",
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},
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"size": {
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Type: schema.TypeInt,
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Computed: true,
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Description: "Size of the disk in GB.",
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},
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"type": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Type of this disk.",
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},
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/*
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"snapshots": {
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Type: schema.TypeList,
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Computed: true,
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Elem: &schema.Resource {
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Schema: snapshotSubresourceSchemaMake(),
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},
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Description: "List of user-created snapshots for this disk."
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},
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*/
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"sep_id": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Storage end-point provider serving this disk.",
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},
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"sep_type": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Type of the storage end-point provider serving this disk.",
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},
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"pool": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Pool where this disk is located.",
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},
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"status": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Current model status of this disk.",
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},
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"tech_status": {
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Type: schema.TypeString,
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Computed: true,
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Description: "Current technical status of this disk.",
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},
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"compute_id": {
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Type: schema.TypeInt,
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Computed: true,
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Description: "ID of the compute instance where this disk is attached to, or 0 for unattached disk.",
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},
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}
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return ret
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}
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func dataSourceDisk() *schema.Resource {
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return &schema.Resource {
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SchemaVersion: 1,
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Read: dataSourceDiskRead,
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Timeouts: &schema.ResourceTimeout {
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Read: &Timeout30s,
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Default: &Timeout60s,
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},
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Schema: dataSourceDiskSchemaMake(),
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}
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@ -0,0 +1,120 @@
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/*
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Copyright (c) 2019-2021 Digital Energy Cloud Solutions LLC. All Rights Reserved.
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Author: Sergey Shubin, <sergey.shubin@digitalenergy.online>, <svs1370@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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This file is part of Terraform (by Hashicorp) provider for Digital Energy Cloud Orchestration
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Technology platfom.
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Visit https://github.com/rudecs/terraform-provider-decort for full source code package and updates.
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*/
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package decort
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import (
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"encoding/json"
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"fmt"
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"net/url"
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"strconv"
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"github.com/hashicorp/terraform/helper/schema"
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// "github.com/hashicorp/terraform/helper/validation"
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)
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func utilityDiskCheckPresence(d *schema.ResourceData, m interface{}) (string, error) {
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// This function tries to locate Disk by one of the following algorithms depending on
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// the parameters passed:
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// - if disk ID is specified -> by disk ID
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// - if disk name is specifeid -> by disk name and either account ID or account name
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//
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// NOTE: disk names are not unique, so the first occurence of this name in the account will
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// be returned. There is no such ambiguity when locating disk by its ID.
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//
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// If succeeded, it returns non empty string that contains JSON formatted facts about the disk
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// as returned by disks/get API call.
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// Otherwise it returns empty string and meaningful error.
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//
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// This function does not modify its ResourceData argument, so it is safe to use it as core
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// method for resource's Exists method.
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//
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controller := m.(*ControllerCfg)
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url_values := &url.Values{}
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disk_id, arg_set := d.GetOk("disk_id")
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if arg_set {
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// go straight for the disk by its ID
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log.Debugf("utilityDiskCheckPresence: locating disk by its ID %d", disk_id.(int))
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url_values.Add("diskId", fmt.Sprintf("%d", disk_id.(int)))
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disk_facts, err := controller.decortAPICall("POST", DisksGetAPI, url_values)
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if err != nil {
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return "", err
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}
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return body_string, nil
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}
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disk_name, arg_set := d.GetOk("name")
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if !arg_set {
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// no disk ID and no disk name - we cannot locate disk in this case
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return "", fmt.Error("Cannot locate disk if name is empty and no disk ID specified.")
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}
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account_id, acc_id_set := d.GetOk("account_id")
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if !acc_id_set {
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account_name, arg_set := d.GetOkd("account_name")
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if !arg_set {
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return "", fmt.Error("Cannot locate disk by name %s if neither account ID nor account name are set", disk_name.(string))
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}
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}
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url_values.Add("accountId", fmt.Sprintf("%d", account_id.(int)))
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disk_facts, err := controller.decortAPICall("POST", DisksListAPI, url_values)
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if err != nil {
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return "", err
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}
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log.Debugf("utilityDiskCheckPresence: ready to unmarshal string %q", disk_facts)
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disks_list := []DiskRecord
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err = json.Unmarshal([]byte(disk_facts), &disks_list)
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if err != nil {
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return "", err
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}
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// log.Printf("%#v", vm_list)
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log.Debugf("utilityDiskCheckPresence: traversing decoded JSON of length %d", len(disks_list))
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for _, item := range disks_list {
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// need to match disk by name, return the first match
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if item.Name == disk_name && item.Status != "DESTROYED" {
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log.Printf("utilityDiskCheckPresence: index %d, matched disk name %q", index, item.Name)
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// we found the disk we need - not get detailed information via API call to disks/get
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// TODO: this may not be optimal as it initiates one extra call to the DECORT controller
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// in spite of the fact that we already have all required information about the disk in
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// item variable
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get_url_values := &url.Values{}
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get_url_values.Add("diskId", fmt.Sprintf("%d", item.ID))
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disk_facts, err = controller.decortAPICall("POST", DisksGetAPI, get_url_values)
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if err != nil {
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return "", err
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}
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return disk_facts, nil
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}
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}
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return "", nil // there should be no error if disk does not exist
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}
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Loading…
Reference in new issue