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chore: add go-debug
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Enable pprof, traces, expvar is compiled with `sidero.debug`.

Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@talos-systems.com>
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@AlekSi
AlekSi committed Oct 6, 2021
1 parent 1655040 commit 9b5eeae
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Showing 3 changed files with 23 additions and 8 deletions.
22 changes: 16 additions & 6 deletions cmd/discovery-service/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
prom "github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/talos-systems/go-debug"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
Expand All @@ -39,15 +40,20 @@ import (
var (
listenAddr = ":3000"
metricsAddr = ":2122"
devMode bool
gcInterval time.Duration
debugAddr = ":2123"
devMode = false
gcInterval = time.Minute
)

func init() {
flag.StringVar(&listenAddr, "addr", ":3000", "addr on which to listen")
flag.StringVar(&metricsAddr, "metrics-addr", ":2122", "prometheus metrics listen addr")
flag.BoolVar(&devMode, "debug", false, "enable debug mode")
flag.DurationVar(&gcInterval, "gc-interval", time.Minute, "garbage collection interval")
flag.StringVar(&listenAddr, "addr", listenAddr, "addr on which to listen")
flag.StringVar(&metricsAddr, "metrics-addr", metricsAddr, "prometheus metrics listen addr")
flag.BoolVar(&devMode, "debug", devMode, "enable debug mode")
flag.DurationVar(&gcInterval, "gc-interval", gcInterval, "garbage collection interval")

if debug.Enabled {
flag.StringVar(&debugAddr, "debug-addr", debugAddr, "debug (pprof, trace, expvar) listen addr")
}
}

func main() {
Expand Down Expand Up @@ -194,5 +200,9 @@ func run(ctx context.Context, logger *zap.Logger) error {
return nil
})

eg.Go(func() error {
return debug.ListenAndServe(ctx, debugAddr, func(msg string) { logger.Info(msg) })
})

return eg.Wait()
}
3 changes: 2 additions & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ require (
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
github.com/prometheus/client_golang v1.11.0
github.com/stretchr/testify v1.7.0
github.com/talos-systems/go-debug v0.2.1
go.uber.org/zap v1.19.1
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
google.golang.org/grpc v1.40.0
Expand All @@ -29,7 +30,7 @@ require (
go.uber.org/multierr v1.6.0 // indirect
go4.org/intern v0.0.0-20210108033219-3eb7198706b2 // indirect
go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063 // indirect
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
golang.org/x/net v0.0.0-20210505214959-0714010a04ed // indirect
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
golang.org/x/text v0.3.6 // indirect
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
Expand Down
6 changes: 5 additions & 1 deletion go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,8 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/talos-systems/go-debug v0.2.1 h1:VSN8P1zXWeHWgUBZn4cVT3keBcecCAJBG9Up+F6N2KM=
github.com/talos-systems/go-debug v0.2.1/go.mod h1:pR4NjsZQNFqGx3n4qkD4MIj1F2CxyIF8DCiO1+05JO0=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
Expand Down Expand Up @@ -185,8 +187,9 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 h1:4nGaVu0QrbjT/AK2PRLuQfQuh6DJve+pELhqTdAj3x0=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210505214959-0714010a04ed h1:V9kAVxLvz1lkufatrpHuUVyJ/5tR3Ms7rk951P4mI98=
golang.org/x/net v0.0.0-20210505214959-0714010a04ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
Expand Down Expand Up @@ -214,6 +217,7 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 h1:JWgyZ1qgdTaF3N3oxC+MdTV7qvEEgHo3otj+HB5CM7Q=
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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