github.com/webonyx/up@v0.7.4-0.20180808230834-91b94e551323/internal/metrics/metrics.go (about)

     1  // Package metrics provides higher level CloudWatch metrics operations.
     2  package metrics
     3  
     4  import (
     5  	"time"
     6  
     7  	"github.com/aws/aws-sdk-go/aws"
     8  	"github.com/aws/aws-sdk-go/service/cloudwatch"
     9  )
    10  
    11  // Metrics helper.
    12  type Metrics struct {
    13  	in cloudwatch.GetMetricStatisticsInput
    14  }
    15  
    16  // New metrics.
    17  func New() *Metrics {
    18  	return &Metrics{}
    19  }
    20  
    21  // Namespace sets the namespace.
    22  func (m *Metrics) Namespace(name string) *Metrics {
    23  	m.in.Namespace = &name
    24  	return m
    25  }
    26  
    27  // Metric sets the metric name.
    28  func (m *Metrics) Metric(name string) *Metrics {
    29  	m.in.MetricName = &name
    30  	return m
    31  }
    32  
    33  // Stats sets the stats.
    34  func (m *Metrics) Stats(names []string) *Metrics {
    35  	m.in.Statistics = aws.StringSlice(names)
    36  	return m
    37  }
    38  
    39  // Stat adds the stat.
    40  func (m *Metrics) Stat(name string) *Metrics {
    41  	m.in.Statistics = append(m.in.Statistics, &name)
    42  	return m
    43  }
    44  
    45  // Dimension adds a dimension.
    46  func (m *Metrics) Dimension(name, value string) *Metrics {
    47  	m.in.Dimensions = append(m.in.Dimensions, &cloudwatch.Dimension{
    48  		Name:  &name,
    49  		Value: &value,
    50  	})
    51  
    52  	return m
    53  }
    54  
    55  // Period sets the period in seconds.
    56  func (m *Metrics) Period(seconds int) *Metrics {
    57  	m.in.Period = aws.Int64(int64(seconds))
    58  	return m
    59  }
    60  
    61  // TimeRange sets the start and time times.
    62  func (m *Metrics) TimeRange(start, end time.Time) *Metrics {
    63  	m.in.StartTime = &start
    64  	m.in.EndTime = &end
    65  	return m
    66  }
    67  
    68  // Params returns the API input.
    69  func (m *Metrics) Params() *cloudwatch.GetMetricStatisticsInput {
    70  	return &m.in
    71  }