github.com/m3db/m3@v1.5.0/src/dbnode/namespace/config.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package namespace
    22  
    23  import (
    24  	"fmt"
    25  	"time"
    26  
    27  	"github.com/m3db/m3/src/dbnode/retention"
    28  	"github.com/m3db/m3/src/x/ident"
    29  )
    30  
    31  // MapConfiguration is the configuration for a registry of namespaces
    32  type MapConfiguration struct {
    33  	Metadatas []MetadataConfiguration `yaml:"metadatas" validate:"nonzero"`
    34  }
    35  
    36  // Map returns a Map corresponding to the receiver struct
    37  func (m *MapConfiguration) Map() (Map, error) {
    38  	metadatas := make([]Metadata, 0, len(m.Metadatas))
    39  	for _, m := range m.Metadatas {
    40  		md, err := m.Metadata()
    41  		if err != nil {
    42  			return nil, fmt.Errorf("unable to construct metadata for [%+v], err: %v", m, err)
    43  		}
    44  		metadatas = append(metadatas, md)
    45  	}
    46  	return NewMap(metadatas)
    47  }
    48  
    49  // MetadataConfiguration is the configuration for a single namespace
    50  type MetadataConfiguration struct {
    51  	ID                    string                  `yaml:"id" validate:"nonzero"`
    52  	BootstrapEnabled      *bool                   `yaml:"bootstrapEnabled"`
    53  	FlushEnabled          *bool                   `yaml:"flushEnabled"`
    54  	WritesToCommitLog     *bool                   `yaml:"writesToCommitLog"`
    55  	CleanupEnabled        *bool                   `yaml:"cleanupEnabled"`
    56  	RepairEnabled         *bool                   `yaml:"repairEnabled"`
    57  	ColdWritesEnabled     *bool                   `yaml:"coldWritesEnabled"`
    58  	CacheBlocksOnRetrieve *bool                   `yaml:"cacheBlocksOnRetrieve"`
    59  	Retention             retention.Configuration `yaml:"retention" validate:"nonzero"`
    60  	Index                 IndexConfiguration      `yaml:"index"`
    61  }
    62  
    63  // Metadata returns a Metadata corresponding to the receiver struct
    64  func (mc *MetadataConfiguration) Metadata() (Metadata, error) {
    65  	iopts := mc.Index.Options()
    66  	ropts := mc.Retention.Options()
    67  	opts := NewOptions().
    68  		SetRetentionOptions(ropts).
    69  		SetIndexOptions(iopts)
    70  	if v := mc.BootstrapEnabled; v != nil {
    71  		opts = opts.SetBootstrapEnabled(*v)
    72  	}
    73  	if v := mc.FlushEnabled; v != nil {
    74  		opts = opts.SetFlushEnabled(*v)
    75  	}
    76  	if v := mc.WritesToCommitLog; v != nil {
    77  		opts = opts.SetWritesToCommitLog(*v)
    78  	}
    79  	if v := mc.CleanupEnabled; v != nil {
    80  		opts = opts.SetCleanupEnabled(*v)
    81  	}
    82  	if v := mc.RepairEnabled; v != nil {
    83  		opts = opts.SetRepairEnabled(*v)
    84  	}
    85  	if v := mc.ColdWritesEnabled; v != nil {
    86  		opts = opts.SetColdWritesEnabled(*v)
    87  	}
    88  	if v := mc.CacheBlocksOnRetrieve; v != nil {
    89  		opts = opts.SetCacheBlocksOnRetrieve(*v)
    90  	}
    91  	return NewMetadata(ident.StringID(mc.ID), opts)
    92  }
    93  
    94  // IndexConfiguration controls the knobs to tweak indexing configuration.
    95  type IndexConfiguration struct {
    96  	Enabled   bool          `yaml:"enabled" validate:"nonzero"`
    97  	BlockSize time.Duration `yaml:"blockSize" validate:"nonzero"`
    98  }
    99  
   100  // Options returns the IndexOptions corresponding to the receiver struct.
   101  func (ic *IndexConfiguration) Options() IndexOptions {
   102  	return NewIndexOptions().
   103  		SetEnabled(ic.Enabled).
   104  		SetBlockSize(ic.BlockSize)
   105  }