github.com/sacloud/iaas-api-go@v1.12.0/helper/query/nfs_plan.go (about)

     1  // Copyright 2016-2022 The sacloud/iaas-api-go Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package query
    16  
    17  import (
    18  	"context"
    19  	"encoding/json"
    20  	"errors"
    21  	"fmt"
    22  
    23  	"github.com/sacloud/iaas-api-go"
    24  	"github.com/sacloud/iaas-api-go/search"
    25  	"github.com/sacloud/iaas-api-go/search/keys"
    26  	"github.com/sacloud/iaas-api-go/types"
    27  )
    28  
    29  // NFSPlanInfo NFSプランIDに対応するプラン情報
    30  type NFSPlanInfo struct {
    31  	NFSPlanID  types.ID
    32  	Size       types.ENFSSize
    33  	DiskPlanID types.ID
    34  }
    35  
    36  // GetNFSPlanInfo NFSプランIDから対応するプラン情報を取得
    37  func GetNFSPlanInfo(ctx context.Context, finder NoteFinder, nfsPlanID types.ID) (*NFSPlanInfo, error) {
    38  	plans, err := findNFSPlans(ctx, finder)
    39  	if err != nil {
    40  		return nil, err
    41  	}
    42  	info := plans.findByPlanID(nfsPlanID)
    43  	if info == nil {
    44  		return nil, fmt.Errorf("nfs plan [id:%d] not found", nfsPlanID)
    45  	}
    46  	return info, nil
    47  }
    48  
    49  // FindNFSPlanID ディスクプランとサイズからNFSのプランIDを取得
    50  func FindNFSPlanID(ctx context.Context, finder NoteFinder, diskPlanID types.ID, size types.ENFSSize) (types.ID, error) {
    51  	plans, err := findNFSPlans(ctx, finder)
    52  	if err != nil {
    53  		return types.ID(0), err
    54  	}
    55  	return plans.findPlanID(diskPlanID, size), nil
    56  }
    57  
    58  type nfsPlansEnvelope struct {
    59  	Plans *nfsPlans `json:"plans"`
    60  }
    61  
    62  type nfsPlans struct {
    63  	HDD []nfsPlanValue
    64  	SSD []nfsPlanValue
    65  }
    66  
    67  func (p *nfsPlans) findPlanID(diskPlanID types.ID, size types.ENFSSize) types.ID {
    68  	var plans []nfsPlanValue
    69  	switch diskPlanID {
    70  	case types.NFSPlans.HDD:
    71  		plans = p.HDD
    72  	case types.NFSPlans.SSD:
    73  		plans = p.SSD
    74  	default:
    75  		return types.ID(0)
    76  	}
    77  
    78  	for _, plan := range plans {
    79  		if plan.Availability.IsAvailable() && plan.Size == int(size) {
    80  			return plan.PlanID
    81  		}
    82  	}
    83  
    84  	return types.ID(0)
    85  }
    86  
    87  func (p *nfsPlans) findByPlanID(planID types.ID) *NFSPlanInfo {
    88  	for _, p := range p.HDD {
    89  		if p.PlanID == planID {
    90  			return &NFSPlanInfo{
    91  				NFSPlanID:  planID,
    92  				DiskPlanID: types.NFSPlans.HDD,
    93  				Size:       types.ENFSSize(p.Size),
    94  			}
    95  		}
    96  	}
    97  	for _, p := range p.SSD {
    98  		if p.PlanID == planID {
    99  			return &NFSPlanInfo{
   100  				NFSPlanID:  planID,
   101  				DiskPlanID: types.NFSPlans.SSD,
   102  				Size:       types.ENFSSize(p.Size),
   103  			}
   104  		}
   105  	}
   106  	return nil
   107  }
   108  
   109  type nfsPlanValue struct {
   110  	Size         int                 `json:"size"`
   111  	Availability types.EAvailability `json:"availability"`
   112  	PlanID       types.ID            `json:"planId"`
   113  }
   114  
   115  func findNFSPlans(ctx context.Context, finder NoteFinder) (*nfsPlans, error) {
   116  	// find note
   117  	searched, err := finder.Find(ctx, &iaas.FindCondition{
   118  		Filter: search.Filter{
   119  			search.Key(keys.Name): "sys-nfs",
   120  			search.Key("Class"):   "json",
   121  		},
   122  	})
   123  	if err != nil {
   124  		return nil, err
   125  	}
   126  	if searched.Count == 0 || len(searched.Notes) == 0 {
   127  		return nil, errors.New("note[sys-nfs] not found")
   128  	}
   129  	note := searched.Notes[0]
   130  
   131  	// parse note's content
   132  	var pe nfsPlansEnvelope
   133  	if err := json.Unmarshal([]byte(note.Content), &pe); err != nil {
   134  		return nil, err
   135  	}
   136  	return pe.Plans, nil
   137  }