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TUN-8422: Add metrics for capnp method calls

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Adds new suite of metrics to capture the following for capnp rpcs operations:
- Method calls
- Method call failures
- Method call latencies

Each of the operations is labeled by the handler that serves the method and
the method of operation invoked. Additionally, each of these are split
between if the operation was called by a client or served.
This commit is contained in:
Devin Carr
2024-05-28 14:14:25 -07:00
parent 654a326098
commit 30197e7dfa
8 changed files with 251 additions and 24 deletions
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6
tunnelrpc/pogs/configuration_manager.go
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@@ -8,10 +8,12 @@ import (
"zombiezen.com/go/capnproto2/rpc"
"zombiezen.com/go/capnproto2/server"
"github.com/cloudflare/cloudflared/tunnelrpc/metrics"
"github.com/cloudflare/cloudflared/tunnelrpc/proto"
)
type ConfigurationManager interface {
// UpdateConfiguration is the call provided to cloudflared to load the latest remote configuration.
UpdateConfiguration(ctx context.Context, version int32, config []byte) *UpdateConfigurationResponse
}
@@ -24,6 +26,10 @@ func ConfigurationManager_ServerToClient(c ConfigurationManager) proto.Configura
}
func (i ConfigurationManager_PogsImpl) UpdateConfiguration(p proto.ConfigurationManager_updateConfiguration) error {
return metrics.ObserveServerHandler(func() error { return i.updateConfiguration(p) }, metrics.ConfigurationManager, metrics.OperationUpdateConfiguration)
}
func (i ConfigurationManager_PogsImpl) updateConfiguration(p proto.ConfigurationManager_updateConfiguration) error {
server.Ack(p.Options)
version := p.Params.Version()