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Add Prometheus exporter

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This commit is contained in:
Frédéric Guillot 2020-09-27 16:01:06 -07:00 • committed by Frédéric Guillot
parent 16b7b3bc3e
commit c394a61a4e
61 changed files with 809 additions and 96 deletions
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27
config/options.go
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@ -56,6 +56,9 @@ const (
defaultAuthProxyUserCreation = false
defaultMaintenanceMode = false
defaultMaintenanceMessage = "Miniflux is currently under maintenance"
defaultMetricsCollector = false
defaultMetricsRefreshInterval = 60
defaultMetricsAllowedNetworks = "127.0.0.1/8"
)
// Options contains configuration options.
@ -106,6 +109,9 @@ type Options struct {
authProxyUserCreation bool
maintenanceMode bool
maintenanceMessage string
metricsCollector bool
metricsRefreshInterval int
metricsAllowedNetworks []string
}
// NewOptions returns Options with default values.
@ -155,6 +161,9 @@ func NewOptions() *Options {
authProxyUserCreation: defaultAuthProxyUserCreation,
maintenanceMode: defaultMaintenanceMode,
maintenanceMessage: defaultMaintenanceMessage,
metricsCollector: defaultMetricsCollector,
metricsRefreshInterval: defaultMetricsRefreshInterval,
metricsAllowedNetworks: []string{defaultMetricsAllowedNetworks},
}
}
@ -398,6 +407,21 @@ func (o *Options) IsAuthProxyUserCreationAllowed() bool {
return o.authProxyUserCreation
}
// HasMetricsCollector returns true if metrics collection is enabled.
func (o *Options) HasMetricsCollector() bool {
return o.metricsCollector
}
// MetricsRefreshInterval returns the refresh interval in seconds.
func (o *Options) MetricsRefreshInterval() int {
return o.metricsRefreshInterval
}
// MetricsAllowedNetworks returns the list of networks allowed to connect to the metrics endpoint.
func (o *Options) MetricsAllowedNetworks() []string {
return o.metricsAllowedNetworks
}
func (o *Options) String() string {
var builder strings.Builder
builder.WriteString(fmt.Sprintf("LOG_DATE_TIME: %v\n", o.logDateTime))
@ -446,5 +470,8 @@ func (o *Options) String() string {
builder.WriteString(fmt.Sprintf("AUTH_PROXY_USER_CREATION: %v\n", o.authProxyUserCreation))
builder.WriteString(fmt.Sprintf("MAINTENANCE_MODE: %v\n", o.maintenanceMode))
builder.WriteString(fmt.Sprintf("MAINTENANCE_MESSAGE: %v\n", o.maintenanceMessage))
builder.WriteString(fmt.Sprintf("METRICS_COLLECTOR: %v\n", o.metricsCollector))
builder.WriteString(fmt.Sprintf("METRICS_REFRESH_INTERVAL: %v\n", o.metricsRefreshInterval))
builder.WriteString(fmt.Sprintf("METRICS_ALLOWED_NETWORKS: %v\n", o.metricsAllowedNetworks))
return builder.String()
}