github.com/sacloud/libsacloud/v2@v2.32.3/helper/query/nfs_plan.go (about)

     1  // Copyright 2016-2022 The Libsacloud 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/libsacloud/v2/sacloud"
    24  	"github.com/sacloud/libsacloud/v2/sacloud/search"
    25  	"github.com/sacloud/libsacloud/v2/sacloud/search/keys"
    26  	"github.com/sacloud/libsacloud/v2/sacloud/types"
    27  )
    28  
    29  type nfsPlansEnvelope struct {
    30  	Plans *nfsPlans `json:"plans"`
    31  }
    32  
    33  type nfsPlans struct {
    34  	HDD []nfsPlanValue
    35  	SSD []nfsPlanValue
    36  }
    37  
    38  func (p *nfsPlans) findPlanID(diskPlanID types.ID, size types.ENFSSize) types.ID {
    39  	var plans []nfsPlanValue
    40  	switch diskPlanID {
    41  	case types.NFSPlans.HDD:
    42  		plans = p.HDD
    43  	case types.NFSPlans.SSD:
    44  		plans = p.SSD
    45  	default:
    46  		return types.ID(0)
    47  	}
    48  
    49  	for _, plan := range plans {
    50  		if plan.Availability.IsAvailable() && plan.Size == int(size) {
    51  			return plan.PlanID
    52  		}
    53  	}
    54  
    55  	return types.ID(0)
    56  }
    57  
    58  func (p *nfsPlans) findByPlanID(planID types.ID) *NFSPlanInfo {
    59  	for _, p := range p.HDD {
    60  		if p.PlanID == planID {
    61  			return &NFSPlanInfo{
    62  				NFSPlanID:  planID,
    63  				DiskPlanID: types.NFSPlans.HDD,
    64  				Size:       types.ENFSSize(p.Size),
    65  			}
    66  		}
    67  	}
    68  	for _, p := range p.SSD {
    69  		if p.PlanID == planID {
    70  			return &NFSPlanInfo{
    71  				NFSPlanID:  planID,
    72  				DiskPlanID: types.NFSPlans.SSD,
    73  				Size:       types.ENFSSize(p.Size),
    74  			}
    75  		}
    76  	}
    77  	return nil
    78  }
    79  
    80  type nfsPlanValue struct {
    81  	Size         int                 `json:"size"`
    82  	Availability types.EAvailability `json:"availability"`
    83  	PlanID       types.ID            `json:"planId"`
    84  }
    85  
    86  // FindNFSPlanID ディスクプランとサイズからNFSのプランIDを取得
    87  func FindNFSPlanID(ctx context.Context, finder NoteFinder, diskPlanID types.ID, size types.ENFSSize) (types.ID, error) {
    88  	plans, err := findNFSPlans(ctx, finder)
    89  	if err != nil {
    90  		return types.ID(0), err
    91  	}
    92  	return plans.findPlanID(diskPlanID, size), nil
    93  }
    94  
    95  func findNFSPlans(ctx context.Context, finder NoteFinder) (*nfsPlans, error) {
    96  	// find note
    97  	searched, err := finder.Find(ctx, &sacloud.FindCondition{
    98  		Filter: search.Filter{
    99  			search.Key(keys.Name): "sys-nfs",
   100  			search.Key("Class"):   "json",
   101  		},
   102  	})
   103  	if err != nil {
   104  		return nil, err
   105  	}
   106  	if searched.Count == 0 || len(searched.Notes) == 0 {
   107  		return nil, errors.New("note[sys-nfs] not found")
   108  	}
   109  	note := searched.Notes[0]
   110  
   111  	// parse note's content
   112  	var pe nfsPlansEnvelope
   113  	if err := json.Unmarshal([]byte(note.Content), &pe); err != nil {
   114  		return nil, err
   115  	}
   116  	return pe.Plans, nil
   117  }
   118  
   119  // NFSPlanInfo NFSプランIDに対応するプラン情報
   120  type NFSPlanInfo struct {
   121  	NFSPlanID  types.ID
   122  	Size       types.ENFSSize
   123  	DiskPlanID types.ID
   124  }
   125  
   126  // GetNFSPlanInfo NFSプランIDから対応するプラン情報を取得
   127  func GetNFSPlanInfo(ctx context.Context, finder NoteFinder, nfsPlanID types.ID) (*NFSPlanInfo, error) {
   128  	plans, err := findNFSPlans(ctx, finder)
   129  	if err != nil {
   130  		return nil, err
   131  	}
   132  	info := plans.findByPlanID(nfsPlanID)
   133  	if info == nil {
   134  		return nil, fmt.Errorf("nfs plan [id:%d] not found", nfsPlanID)
   135  	}
   136  	return info, nil
   137  }