dotcloud/docker

package dockerfile // import "github.com/docker/docker/builder/dockerfile"

import (
    metrics "github.com/docker/go-metrics"
)

var (
    buildsTriggered metrics.Counter
    buildsFailed    metrics.LabeledCounter
)

// Build metrics prometheus messages, these values must be initialized before
// using them. See the example below in the "builds_failed" metric definition.
const (
    metricsDockerfileSyntaxError        = "dockerfile_syntax_error"
    metricsDockerfileEmptyError         = "dockerfile_empty_error"
    metricsCommandNotSupportedError     = "command_not_supported_error"
    metricsErrorProcessingCommandsError = "error_processing_commands_error"
    metricsBuildTargetNotReachableError = "build_target_not_reachable_error"
    metricsMissingOnbuildArgumentsError = "missing_onbuild_arguments_error"
    metricsUnknownInstructionError      = "unknown_instruction_error"
    metricsBuildCanceled                = "build_canceled"
)

func init() {
    buildMetrics := metrics.NewNamespace("builder", "", nil)

    buildsTriggered = buildMetrics.NewCounter("builds_triggered", "Number of triggered image builds")
    buildsFailed = buildMetrics.NewLabeledCounter("builds_failed", "Number of failed image builds", "reason")
    for _, r := range []string{
        metricsDockerfileSyntaxError,
        metricsDockerfileEmptyError,
        metricsCommandNotSupportedError,
        metricsErrorProcessingCommandsError,
        metricsBuildTargetNotReachableError,
        metricsMissingOnbuildArgumentsError,
        metricsUnknownInstructionError,
        metricsBuildCanceled,
    } {
        buildsFailed.WithValues(r)
    }

    metrics.Register(buildMetrics)
}