github.com/m3db/m3@v1.5.0/src/m3em/cluster/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 cluster
    22  
    23  import (
    24  	"time"
    25  
    26  	"github.com/m3db/m3/src/x/instrument"
    27  	xretry "github.com/m3db/m3/src/x/retry"
    28  )
    29  
    30  // Configuration is a YAML wrapper around Options
    31  type Configuration struct {
    32  	SessionToken            *string               `yaml:"sessionToken"`
    33  	SessionOverride         *bool                 `yaml:"sessionOverride"`
    34  	Relication              *int                  `yaml:"replication"`
    35  	NumShards               *int                  `yaml:"numShards"`
    36  	PlacementServiceRetrier *xretry.Configuration `yaml:"placementServiceRetrier"`
    37  	NodeConcurrency         *int                  `yaml:"nodeConcurrency"`
    38  	NodeOperationTimeout    *time.Duration        `yaml:"nodeOperationTimeout"`
    39  }
    40  
    41  // Options returns `Options` corresponding to the provided struct values
    42  func (c *Configuration) Options(iopts instrument.Options) Options {
    43  	opts := NewOptions(nil, iopts)
    44  	if t := c.SessionToken; t != nil && *t != "" {
    45  		opts = opts.SetSessionToken(*t)
    46  	}
    47  	if t := c.SessionOverride; t != nil {
    48  		opts = opts.SetSessionOverride(*t)
    49  	}
    50  	if t := c.Relication; t != nil && *t > 0 {
    51  		opts = opts.SetReplication(*t)
    52  	}
    53  	if t := c.NumShards; t != nil && *t > 0 {
    54  		opts = opts.SetNumShards(*t)
    55  	}
    56  	if t := c.PlacementServiceRetrier; t != nil {
    57  		opts = opts.SetPlacementServiceRetrier(
    58  			c.PlacementServiceRetrier.NewRetrier(iopts.MetricsScope()))
    59  	}
    60  	if t := c.NodeConcurrency; t != nil && *t > 0 {
    61  		opts = opts.SetNodeConcurrency(*t)
    62  	}
    63  	if t := c.NodeOperationTimeout; t != nil && *t > 0 {
    64  		opts = opts.SetNodeOperationTimeout(*t)
    65  	}
    66  	return opts
    67  }