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feat: un-revert registration of db.sql metrics #2373

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merged 3 commits into from
Aug 20, 2024
Merged

feat: un-revert registration of db.sql metrics #2373

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6fe8827
register db.sql metrics
deniseli Aug 8, 2024
c6313e9
chore(autofmt): Automated formatting
github-actions[bot] Aug 19, 2024
dc902ef
helper func
deniseli Aug 19, 2024
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5 changes: 3 additions & 2 deletions backend/controller/sql/databasetesting/devel.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ import (

"github.com/TBD54566975/ftl/backend/controller/sql"
"github.com/TBD54566975/ftl/internal/log"
"github.com/TBD54566975/ftl/internal/observability"
)

// CreateForDevel creates and migrates a new database for development or testing.
Expand All @@ -29,7 +30,7 @@ func CreateForDevel(ctx context.Context, dsn string, recreate bool) (*stdsql.DB,

var conn *stdsql.DB
for range 10 {
conn, err = stdsql.Open("pgx", noDBDSN.String())
conn, err = observability.OpenDBAndInstrument(noDBDSN.String())
if err == nil {
defer conn.Close()
break
Expand Down Expand Up @@ -72,7 +73,7 @@ func CreateForDevel(ctx context.Context, dsn string, recreate bool) (*stdsql.DB,
return nil, err
}

realConn, err := stdsql.Open("pgx", dsn)
realConn, err := observability.OpenDBAndInstrument(dsn)
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}
Expand Down
3 changes: 1 addition & 2 deletions cmd/ftl-controller/main.go
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Expand Up @@ -2,7 +2,6 @@ package main

import (
"context"
"database/sql"
"fmt"
"os"
"strconv"
Expand Down Expand Up @@ -53,7 +52,7 @@ func main() {
kctx.FatalIfErrorf(err, "failed to initialize observability")

// The FTL controller currently only supports DB as a configuration provider/resolver.
conn, err := sql.Open("pgx", cli.ControllerConfig.DSN)
conn, err := observability.OpenDBAndInstrument(cli.ControllerConfig.DSN)
kctx.FatalIfErrorf(err)
dal, err := dal.New(ctx, conn, optional.Some[string](*cli.ControllerConfig.KMSURI))
kctx.FatalIfErrorf(err)
Expand Down
4 changes: 2 additions & 2 deletions cmd/ftl/cmd_box_run.go
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Expand Up @@ -2,7 +2,6 @@ package main

import (
"context"
"database/sql"
"fmt"
"net/url"
"time"
Expand All @@ -20,6 +19,7 @@ import (
"github.com/TBD54566975/ftl/internal/buildengine"
"github.com/TBD54566975/ftl/internal/log"
"github.com/TBD54566975/ftl/internal/model"
"github.com/TBD54566975/ftl/internal/observability"
"github.com/TBD54566975/ftl/internal/projectconfig"
"github.com/TBD54566975/ftl/internal/rpc"
)
Expand Down Expand Up @@ -58,7 +58,7 @@ func (b *boxRunCmd) Run(ctx context.Context, projConfig projectconfig.Config) er
}

// Bring up the DB connection and DAL.
conn, err := sql.Open("pgx", config.DSN)
conn, err := observability.OpenDBAndInstrument(config.DSN)
if err != nil {
return fmt.Errorf("failed to bring up DB connection: %w", err)
}
Expand Down
3 changes: 1 addition & 2 deletions cmd/ftl/cmd_serve.go
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Expand Up @@ -2,7 +2,6 @@ package main

import (
"context"
"database/sql"
"errors"
"fmt"
"net"
Expand Down Expand Up @@ -148,7 +147,7 @@ func (s *serveCmd) run(ctx context.Context, projConfig projectconfig.Config, ini
controllerCtx = cf.ContextWithSecrets(controllerCtx, sm)

// Bring up the DB connection and DAL.
conn, err := sql.Open("pgx", config.DSN)
conn, err := observability.OpenDBAndInstrument(config.DSN)
if err != nil {
return fmt.Errorf("failed to bring up DB connection: %w", err)
}
Expand Down
2 changes: 2 additions & 0 deletions examples/go/echo/go.sum
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1 change: 1 addition & 0 deletions go-runtime/ftl/reflection/testdata/go/runtimereflection/go.mod
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Expand Up @@ -11,6 +11,7 @@ require (
connectrpc.com/connect v1.16.2 // indirect
connectrpc.com/grpcreflect v1.2.0 // indirect
connectrpc.com/otelconnect v0.7.1 // indirect
github.com/XSAM/otelsql v0.32.0 // indirect
github.com/alecthomas/atomic v0.1.0-alpha2 // indirect
github.com/alecthomas/concurrency v0.0.2 // indirect
github.com/alecthomas/participle/v2 v2.1.1 // indirect
Expand Down
4 changes: 4 additions & 0 deletions go-runtime/ftl/reflection/testdata/go/runtimereflection/go.sum
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4 changes: 3 additions & 1 deletion go.mod
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Expand Up @@ -9,6 +9,7 @@ require (
github.com/BurntSushi/toml v1.4.0
github.com/TBD54566975/golang-tools v0.2.1
github.com/TBD54566975/scaffolder v1.0.0
github.com/XSAM/otelsql v0.32.0
github.com/alecthomas/assert/v2 v2.10.0
github.com/alecthomas/atomic v0.1.0-alpha2
github.com/alecthomas/chroma/v2 v2.14.0
Expand Down Expand Up @@ -68,6 +69,7 @@ require (
golang.org/x/sync v0.8.0
golang.org/x/term v0.23.0
google.golang.org/protobuf v1.34.2
gotest.tools/v3 v3.5.1
modernc.org/sqlite v1.32.0
)

Expand All @@ -87,6 +89,7 @@ require (
github.com/docker/go-units v0.5.0 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/google/go-cmp v0.6.0 // indirect
github.com/gorilla/websocket v1.5.1 // indirect
github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
github.com/iancoleman/strcase v0.3.0 // indirect
Expand All @@ -110,7 +113,6 @@ require (
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.26.0 // indirect
go.opentelemetry.io/proto/otlp v1.3.1 // indirect
golang.org/x/tools v0.23.0 // indirect
gotest.tools/v3 v3.5.1 // indirect
modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6 // indirect
)

Expand Down
2 changes: 2 additions & 0 deletions go.sum
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2 changes: 1 addition & 1 deletion internal/observability/client_test.go
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Expand Up @@ -10,5 +10,5 @@ import (

func TestSchemaMismatch(t *testing.T) {
dflt := resource.Default()
assert.Equal(t, dflt.SchemaURL(), schemaURL, `change import in client.go to: semconv "go.opentelemetry.io/otel/semconv/v%s"`, path.Base(dflt.SchemaURL()))
assert.Equal(t, dflt.SchemaURL(), schemaURL, `in every file that imports go.opentelemetry.io/otel/semconv, change the import to: semconv "go.opentelemetry.io/otel/semconv/v%s"`, path.Base(dflt.SchemaURL()))
}
23 changes: 23 additions & 0 deletions internal/observability/db.go
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@@ -0,0 +1,23 @@
package observability

import (
"database/sql"
"fmt"

"github.com/XSAM/otelsql"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
)

func OpenDBAndInstrument(dsn string) (*sql.DB, error) {
conn, err := otelsql.Open("pgx", dsn)
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}

err = otelsql.RegisterDBStatsMetrics(conn, otelsql.WithAttributes(semconv.DBSystemPostgreSQL))
if err != nil {
return nil, fmt.Errorf("failed to register database metrics: %w", err)
}

return conn, nil
}
24 changes: 21 additions & 3 deletions internal/reflect/reflect.go
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Expand Up @@ -13,6 +13,7 @@
package reflect

import (
"container/list"
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Collaborator

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Let's roll these reflection changes back, we shouldn't be copying a db.DB in the first place. I'll send a PR to rectify that.

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Excellent, thank you! Done

"fmt"
"reflect"
"strings"
Expand Down Expand Up @@ -131,6 +132,11 @@ func copyAny(src any, ptrs map[uintptr]any, copyConf *copyConfig) (dst any) {
return src
}

// Special case list.List to handle its internal structure
if reflect.TypeOf(src) == reflect.TypeFor[*list.List]() {
return copyList(src.(*list.List), ptrs, copyConf)
}

// Look up the corresponding copy function.
switch v.Kind() {
case reflect.Bool, reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
Expand All @@ -146,7 +152,7 @@ func copyAny(src any, ptrs map[uintptr]any, copyConf *copyConfig) (dst any) {
dst = copyArray(src, ptrs, copyConf)
case reflect.Map:
dst = copyMap(src, ptrs, copyConf)
case reflect.Ptr, reflect.UnsafePointer:
case reflect.Pointer, reflect.UnsafePointer:
dst = copyPointer(src, ptrs, copyConf)
case reflect.Struct:
dst = copyStruct(src, ptrs, copyConf)
Expand All @@ -160,10 +166,22 @@ func copyAny(src any, ptrs map[uintptr]any, copyConf *copyConfig) (dst any) {
return
}

func copyList(src *list.List, ptrs map[uintptr]any, copyConf *copyConfig) *list.List {
if src == nil {
return nil
}
dst := list.New()
for e := src.Front(); e != nil; e = e.Next() {
copiedValue := copyAny(e.Value, ptrs, copyConf)
dst.PushBack(copiedValue)
}
return dst
}

func copyPremitive(src any, ptr map[uintptr]any, copyConf *copyConfig) (dst any) {
kind := reflect.ValueOf(src).Kind()
switch kind {
case reflect.Array, reflect.Chan, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice, reflect.Struct, reflect.UnsafePointer:
case reflect.Array, reflect.Chan, reflect.Interface, reflect.Map, reflect.Pointer, reflect.Slice, reflect.Struct, reflect.UnsafePointer:
panic(fmt.Sprintf("reflect: internal error: type %v is not a primitive", kind))
}
dst = src
Expand Down Expand Up @@ -225,7 +243,7 @@ func copyPointer(x any, ptrs map[uintptr]any, copyConf *copyConfig) any {
t := reflect.TypeOf(x)

if v.Kind() != reflect.Pointer {
panic(fmt.Errorf("reflect: internal error: must be a Pointer or Ptr; got %v", v.Kind()))
panic(fmt.Errorf("reflect: internal error: must be a Pointer; got %v", v.Kind()))
}

if v.IsNil() {
Expand Down
11 changes: 11 additions & 0 deletions internal/reflect/reflect_test.go
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Original file line number Diff line number Diff line change
@@ -1,9 +1,20 @@
package reflect

import (
"container/list"
"testing"

"gotest.tools/v3/assert"
)

func TestListElements(t *testing.T) {
l := list.New()
l.PushBack("one")
output := DeepCopy(l)
assert.Equal(t, output.Front().Value, l.Front().Value)
assert.Equal(t, output.Len(), l.Len())
}

type structOfPointers struct {
intPtr *int
floatPtr *float64
Expand Down
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