mirror of
https://github.com/openziti/ziti.git
synced 2026-09-22 10:33:40 +00:00
Paul Lorenz
77bce93e85
Previously we often had two sets of events, one in the network package, and then another in the events package. We now only have one, in the events package. Events now have a public API, with minimal deps. There's an implementation package which has the dependencies. This allows the network package to generate events, without have a circular dependency on the events implementation package.
127 lines
3.2 KiB
Go
127 lines
3.2 KiB
Go
/*
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Copyright NetFoundry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package api_impl
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import (
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"encoding/json"
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"fmt"
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"github.com/openziti/fabric/controller/network"
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"github.com/openziti/fabric/event"
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"github.com/openziti/fabric/events"
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"github.com/openziti/metrics/metrics_pb"
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"github.com/pkg/errors"
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"strings"
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)
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const EntityNameMetrics = "metrics"
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type MetricsModelMapper interface {
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MapInspectResultToMetricsResult(inspectResult *network.InspectResult) (*string, error)
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MapInspectResultValueToMetricsResult(inspectResultValue *network.InspectResultValue) (any, error)
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}
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type metricsResultMapper struct {
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network *network.Network
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format string
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includeTimestamps bool
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}
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func NewMetricsModelMapper(n *network.Network, format string, includeTimestamps bool) MetricsModelMapper {
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return &metricsResultMapper{
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network: n,
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format: format,
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includeTimestamps: includeTimestamps,
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}
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}
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func (self *metricsResultMapper) MapInspectResultValueToMetricsResult(inspectResultValue *network.InspectResultValue) (any, error) {
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var result any
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msg := &metrics_pb.MetricsMessage{}
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if err := json.Unmarshal([]byte(inspectResultValue.Value), msg); err == nil {
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var metricEvents []event.MetricsEvent
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adapter := self.network.GetEventDispatcher().NewFilteredMetricsAdapter(nil, nil, event.MetricsEventHandlerF(func(event *event.MetricsEvent) {
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metricEvents = append(metricEvents, *event)
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}))
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adapter.AcceptMetricsMsg(msg)
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switch self.format {
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case "json":
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result = metricEvents
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case "prometheus":
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var promMsgs []string
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for _, msg := range metricEvents {
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event := (events.PrometheusMetricsEvent)(msg)
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o, err := event.Marshal(self.includeTimestamps)
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if err == nil {
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promMsgs = append(promMsgs, string(o))
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} else {
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promMsgs = append(promMsgs, fmt.Sprint(err))
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}
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}
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result = promMsgs
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default:
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return nil, errors.New(fmt.Sprintf("Unsupported metrics format %s requested", self.format))
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}
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} else {
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return nil, err
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}
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return result, nil
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}
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func (self *metricsResultMapper) MapInspectResultToMetricsResult(inspectResult *network.InspectResult) (*string, error) {
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var emit string
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var r []any
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for _, val := range inspectResult.Results {
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s, _ := self.MapInspectResultValueToMetricsResult(val)
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r = append(r, s)
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}
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switch self.format {
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case "json":
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var js []any
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for _, mg := range r {
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for _, m := range mg.([]event.MetricsEvent) {
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js = append(js, m)
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}
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}
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s, err := json.Marshal(js)
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if err != nil {
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return nil, err
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}
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emit = string(s)
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case "prometheus":
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var prom string
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for _, m := range r {
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prom += strings.Join(m.([]string), "")
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}
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emit = prom
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}
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return &emit, nil
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}
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