Add png graph handler

2023-12-09 13:53:56 -08:00
parent 69cc4b4e80
commit e824274998
13 changed files with 400 additions and 135 deletions
--- a/chdb/chdnsanswers.go
+++ b/chdb/chdnsanswers.go
@@ -95,11 +95,14 @@ func (d *ClickHouse) ServerAnswerCounts(ctx context.Context, serverIP string, da
 }

 func (d *ClickHouse) AnswerTotals(ctx context.Context, qtype string, days int) (ServerTotals, error) {
-
 	log := logger.Setup()
+	ctx, span := tracing.Tracer().Start(ctx, "AnswerTotals")
+	defer span.End()

 	// queries by UserCC / Qtype for the ServerIP
-	rows, err := d.conn.Query(ctx, `
+	rows, err := d.conn.Query(clickhouse.Context(ctx,
+		clickhouse.WithSpan(span.SpanContext()),
+	), `
 	select UserCC,Qtype,sum(queries) as queries
 	from by_server_ip_1d
 	where
--- a/go.mod
+++ b/go.mod
@@ -7,12 +7,16 @@ go 1.21.3
 require (
 	github.com/ClickHouse/clickhouse-go/v2 v2.16.0
 	github.com/go-sql-driver/mysql v1.7.1
+	github.com/hashicorp/go-retryablehttp v0.7.5
 	github.com/labstack/echo/v4 v4.11.3
 	github.com/samber/slog-echo v1.9.0
 	github.com/spf13/cobra v1.8.0
 	github.com/stretchr/testify v1.8.4
+	go.ntppool.org/api v0.1.8-0.20231210025001-f2c143296511
 	go.ntppool.org/common v0.2.5
 	go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.46.1
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.46.1
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1
 	go.opentelemetry.io/otel v1.21.0
 	go.opentelemetry.io/otel/trace v1.21.0
 	golang.org/x/sync v0.5.0
@@ -26,6 +30,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-faster/city v1.0.1 // indirect
 	github.com/go-faster/errors v0.7.0 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
@@ -34,6 +39,7 @@ require (
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/uuid v1.4.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/klauspost/compress v1.17.4 // indirect
 	github.com/labstack/gommon v0.4.1 // indirect
@@ -41,7 +47,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
 	github.com/paulmach/orb v0.10.0 // indirect
-	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/pierrec/lz4/v4 v4.1.19 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.17.0 // indirect
--- a/go.sum
+++ b/go.sum
@@ -1,16 +1,8 @@
-github.com/ClickHouse/ch-go v0.58.2 h1:jSm2szHbT9MCAB1rJ3WuCJqmGLi5UTjlNu+f530UTS0=
-github.com/ClickHouse/ch-go v0.58.2/go.mod h1:Ap/0bEmiLa14gYjCiRkYGbXvbe8vwdrfTYWhsuQ99aw=
 github.com/ClickHouse/ch-go v0.61.0 h1:22JYeFJoFNAU/Vod4etAeUEY28cYt7Ixnwqj1+EUfro=
 github.com/ClickHouse/ch-go v0.61.0/go.mod h1:POJBl0MxEMS91Zd0uTgDDt05KfXEjf5KIwW6lNhje9Y=
 github.com/ClickHouse/clickhouse-go v1.5.4 h1:cKjXeYLNWVJIx2J1K6H2CqyRmfwVJVY1OV1coaaFcI0=
-github.com/ClickHouse/clickhouse-go/v2 v2.14.3 h1:s9SuU3PfJrfJ4SDbVRo6XM2ZWlr7efvW9Z/ppUpE1vo=
-github.com/ClickHouse/clickhouse-go/v2 v2.14.3/go.mod h1:qdw8IMGH4Y+PedKlf9QEhFO1ATTSFhh4exQRVIa3y2A=
-github.com/ClickHouse/clickhouse-go/v2 v2.15.0 h1:G0hTKyO8fXXR1bGnZ0DY3vTG01xYfOGW76zgjg5tmC4=
-github.com/ClickHouse/clickhouse-go/v2 v2.15.0/go.mod h1:kXt1SRq0PIRa6aKZD7TnFnY9PQKmc2b13sHtOYcK6cQ=
 github.com/ClickHouse/clickhouse-go/v2 v2.16.0 h1:rhMfnPewXPnY4Q4lQRGdYuTLRBRKJEIEYHtbUMrzmvI=
 github.com/ClickHouse/clickhouse-go/v2 v2.16.0/go.mod h1:J7SPfIxwR+x4mQ+o8MLSe0oY50NNntEqCIjFe/T1VPM=
-github.com/abh/slog-echo v0.0.0-20231024051244-af740639893e h1:RkyCTh9poEVRWZi9RWdSkcveX8TM5YVORZtdIeogUlI=
-github.com/abh/slog-echo v0.0.0-20231024051244-af740639893e/go.mod h1:iLkF/wVZhBWabIw4dB+bfbj1TjCd/OXnag0AE8IDFRg=
 github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
 github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -19,20 +11,17 @@ github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqy
 github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
+github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/go-faster/city v1.0.1 h1:4WAxSZ3V2Ws4QRDrscLEDcibJY8uf41H6AhXDrNDcGw=
 github.com/go-faster/city v1.0.1/go.mod h1:jKcUJId49qdW3L1qKHH/3wPeUstCVpVSXTM6vO3VcTw=
-github.com/go-faster/errors v0.6.1 h1:nNIPOBkprlKzkThvS/0YaX8Zs9KewLCOSFQS5BU06FI=
-github.com/go-faster/errors v0.6.1/go.mod h1:5MGV2/2T9yvlrbhe9pD9LO5Z/2zCSq2T8j+Jpi2LAyY=
 github.com/go-faster/errors v0.7.0 h1:UnD/xusnfUgtEYkgRZohqL2AfmPTwv13NAJwwFFaNYc=
 github.com/go-faster/errors v0.7.0/go.mod h1:5ySTjWFiphBs07IKuiL69nxdfd5+fzh1u7FPGZP2quo=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
-github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
 github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
@@ -42,33 +31,28 @@ github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
 github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
-github.com/golang/glog v1.1.2 h1:DVjP2PbBOzHyzA+dn3WhHIq4NdVu3Q+pvivFICf/7fo=
-github.com/golang/glog v1.1.2/go.mod h1:zR+okUeTbrL6EL3xHUDxZuEtGv04p5shwip1+mL/rLQ=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/uuid v1.3.1 h1:KjJaJ9iWZ3jOFZIf1Lqf4laDRCasjl0BCmnEGxkdLb4=
-github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
 github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.0 h1:RtRsiaGvWxcwd8y3BiRZxsylPT8hLWZ5SPcfI+3IDNk=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.0/go.mod h1:TzP6duP4Py2pHLVPPQp42aoYI92+PCrVotyR5e8Vqlk=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 h1:6UKoz5ujsI55KNpsJH3UwCq3T8kKbZwNZBNPuTTje8U=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1/go.mod h1:YvJ2f6MplWDhfxiUC3KpyTy76kYUZA4W3pTv/wdKQ9Y=
+github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
+github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
+github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
+github.com/hashicorp/go-retryablehttp v0.7.5 h1:bJj+Pj19UZMIweq/iie+1u5YCdGrnxCT9yvm0e+Nd5M=
+github.com/hashicorp/go-retryablehttp v0.7.5/go.mod h1:Jy/gPYAdjqffZ/yFGCFV2doI5wjtH1ewM9u8iYVjtX8=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
-github.com/klauspost/compress v1.17.2 h1:RlWWUY/Dr4fL8qk9YG7DTZ7PDgME2V4csBXA8L/ixi4=
-github.com/klauspost/compress v1.17.2/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
-github.com/klauspost/compress v1.17.3 h1:qkRjuerhUU1EmXLYGkSH6EZL+vPSxIrYjLNAK4slzwA=
-github.com/klauspost/compress v1.17.3/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
 github.com/klauspost/compress v1.17.4 h1:Ej5ixsIri7BrIjBkRZLTo6ghwrEtHFk7ijlczPW4fZ4=
 github.com/klauspost/compress v1.17.4/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -78,18 +62,12 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/labstack/echo/v4 v4.11.2 h1:T+cTLQxWCDfqDEoydYm5kCobjmHwOwcv4OJAPHilmdE=
-github.com/labstack/echo/v4 v4.11.2/go.mod h1:UcGuQ8V6ZNRmSweBIJkPvGfwCMIlFmiqrPqiEBfPYws=
 github.com/labstack/echo/v4 v4.11.3 h1:Upyu3olaqSHkCjs1EJJwQ3WId8b8b1hxbogyommKktM=
 github.com/labstack/echo/v4 v4.11.3/go.mod h1:UcGuQ8V6ZNRmSweBIJkPvGfwCMIlFmiqrPqiEBfPYws=
-github.com/labstack/gommon v0.4.0 h1:y7cvthEAEbU0yHOf4axH8ZG2NH8knB9iNSoTO8dyIk8=
-github.com/labstack/gommon v0.4.0/go.mod h1:uW6kP17uPlLJsD3ijUYn3/M5bAxtlZhMI6m3MFxTMTM=
 github.com/labstack/gommon v0.4.1 h1:gqEff0p/hTENGMABzezPoPSRtIh1Cvw0ueMOe0/dfOk=
 github.com/labstack/gommon v0.4.1/go.mod h1:TyTrpPqxR5KMk8LKVtLmfMjeQ5FEkBYdxLYPw/WfrOM=
-github.com/mattn/go-colorable v0.1.11/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
-github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
@@ -102,6 +80,8 @@ github.com/paulmach/orb v0.10.0/go.mod h1:5mULz1xQfs3bmQm63QEJA6lNGujuRafwA5S/En
 github.com/paulmach/protoscan v0.2.1/go.mod h1:SpcSwydNLrxUGSDvXvO0P7g7AuhJ7lcKfDlhJCDw2gY=
 github.com/pierrec/lz4/v4 v4.1.18 h1:xaKrnTkyoqfh1YItXl56+6KJNVYWlEEPuAQW9xsplYQ=
 github.com/pierrec/lz4/v4 v4.1.18/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
+github.com/pierrec/lz4/v4 v4.1.19 h1:tYLzDnjDXh9qIxSTKHwXwOYmm9d887Y7Y1ZkyXYHAN4=
+github.com/pierrec/lz4/v4 v4.1.19/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -114,29 +94,19 @@ github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lne
 github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGyv9MZjVOJsY=
 github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
-github.com/remychantenay/slog-otel v1.2.1 h1:CTsgUd2h3zWDf8/KQSCme+VMw7bdf/BycyGT0rjonSg=
-github.com/remychantenay/slog-otel v1.2.1/go.mod h1:YV+vYh8c5i5U2U/QeBxRYelOLdYJ+AYBHy5IIC/XSeo=
-github.com/remychantenay/slog-otel v1.2.2 h1:EnFH7oq2i83TBstmqHqMEjjRNVWmXMsiybdZxad4Nus=
-github.com/remychantenay/slog-otel v1.2.2/go.mod h1:YV+vYh8c5i5U2U/QeBxRYelOLdYJ+AYBHy5IIC/XSeo=
 github.com/remychantenay/slog-otel v1.2.3 h1:uJKRE7vhBEZmJcNyPl2HEI789D8BlgN+ppoEr+UogjY=
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-github.com/spf13/cobra v1.7.0 h1:hyqWnYt1ZQShIddO5kBpj3vu05/++x6tJ6dg8EC572I=
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@@ -146,8 +116,8 @@ github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSS
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
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 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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@@ -156,7 +126,6 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
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 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
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@@ -166,55 +135,31 @@ github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7Jul
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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 go.mongodb.org/mongo-driver v1.11.4/go.mod h1:PTSz5yu21bkT/wXpkS7WR5f0ddqw5quethTUn9WM+2g=
-go.ntppool.org/common v0.2.4 h1:OqKR1OHYayv6AsERAR8RYKdOEigJqXBpqkGWlaGF3+Q=
-go.ntppool.org/common v0.2.4/go.mod h1:kYshXIaeI13tj6CSW56KHkcwp0lJbM8bFCe3tm3BZEQ=
-go.ntppool.org/common v0.2.5-0.20231112235121-2bff6d8ef307 h1:bJPpvb3aP3sIdO/ptxH9Jqhksk0+c5qQBSa/xHLhscc=
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-go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.45.0 h1:JJCIHAxGCB5HM3NxeIwFjHc087Xwk96TG9kaZU6TAec=
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 go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.46.1/go.mod h1:tlgpIvi6LCv4QIZQyBc8Gkr6HDxbJLTh9eQPNZAaljE=
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-go.opentelemetry.io/contrib/propagators/b3 v1.20.0/go.mod h1:On4VgbkqYL18kbJlWsa18+cMNe6rYpBnPi1ARI/BrsU=
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 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.21.0 h1:digkEZCJWobwBqMwC0cwCq8/wkkRy/OowZg5OArWZrM=
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-go.opentelemetry.io/otel/sdk v1.20.0/go.mod h1:rmkSx1cZCm/tn16iWDn1GQbLtsW/LvsdEEFzCSRM6V0=
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-go.opentelemetry.io/otel/trace v1.19.0 h1:DFVQmlVbfVeOuBRrwdtaehRrWiL1JoVs9CPIQ1Dzxpg=
-go.opentelemetry.io/otel/trace v1.19.0/go.mod h1:mfaSyvGyEJEI0nyV2I4qhNQnbBOUUmYZpYojqMnX2vo=
-go.opentelemetry.io/otel/trace v1.20.0 h1:+yxVAPZPbQhbC3OfAkeIVTky6iTFpcr4SiY9om7mXSQ=
-go.opentelemetry.io/otel/trace v1.20.0/go.mod h1:HJSK7F/hA5RlzpZ0zKDCHCDHm556LCDtKaAo6JmBFUU=
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@@ -223,22 +168,12 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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-golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
-golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
-golang.org/x/crypto v0.15.0 h1:frVn1TEaCEaZcn3Tmd7Y2b5KKPaZ+I32Q2OA3kYp5TA=
-golang.org/x/crypto v0.15.0/go.mod h1:4ChreQoLWfG3xLDer1WdlH5NdlQ3+mwnQq1YTKY+72g=
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-golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
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 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -246,18 +181,12 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
-golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
-golang.org/x/net v0.18.0 h1:mIYleuAkSbHh0tCv7RvjL3F6ZVbLjq4+R7zbOn3Kokg=
-golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
-golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
 golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -266,15 +195,8 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
-golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
 golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -282,14 +204,8 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
-golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.4.0 h1:Z81tqI5ddIoXDPvVQ7/7CC9TnLM7ubaFG2qXYd5BbYY=
-golang.org/x/time v0.4.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -300,22 +216,10 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/genproto v0.0.0-20231012201019-e917dd12ba7a h1:fwgW9j3vHirt4ObdHoYNwuO24BEZjSzbh+zPaNWoiY8=
-google.golang.org/genproto v0.0.0-20231012201019-e917dd12ba7a/go.mod h1:EMfReVxb80Dq1hhioy0sOsY9jCE46YDgHlJ7fWVUWRE=
-google.golang.org/genproto/googleapis/api v0.0.0-20231016165738-49dd2c1f3d0b h1:CIC2YMXmIhYw6evmhPxBKJ4fmLbOFtXQN/GV3XOZR8k=
-google.golang.org/genproto/googleapis/api v0.0.0-20231016165738-49dd2c1f3d0b/go.mod h1:IBQ646DjkDkvUIsVq/cc03FUFQ9wbZu7yE396YcL870=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 h1:JpwMPBpFN3uKhdaekDpiNlImDdkUAyiJ6ez/uxGaUSo=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:0xJLfVdJqpAPl8tDg1ujOCGzx6LFLttXT5NhllGOXY4=
-google.golang.org/genproto/googleapis/api v0.0.0-20231120223509-83a465c0220f h1:2yNACc1O40tTnrsbk9Cv6oxiW8pxI/pXj0wRtdlYmgY=
-google.golang.org/genproto/googleapis/api v0.0.0-20231120223509-83a465c0220f/go.mod h1:Uy9bTZJqmfrw2rIBxgGLnamc78euZULUBrLZ9XTITKI=
+google.golang.org/genproto v0.0.0-20231120223509-83a465c0220f h1:Vn+VyHU5guc9KjB5KrjI2q0wCOWEOIh0OEsleqakHJg=
+google.golang.org/genproto v0.0.0-20231120223509-83a465c0220f/go.mod h1:nWSwAFPb+qfNJXsoeO3Io7zf4tMSfN8EA8RlDA04GhY=
 google.golang.org/genproto/googleapis/api v0.0.0-20231127180814-3a041ad873d4 h1:ZcOkrmX74HbKFYnpPY8Qsw93fC29TbJXspYKaBkSXDQ=
 google.golang.org/genproto/googleapis/api v0.0.0-20231127180814-3a041ad873d4/go.mod h1:k2dtGpRrbsSyKcNPKKI5sstZkrNCZwpU/ns96JoHbGg=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231016165738-49dd2c1f3d0b h1:ZlWIi1wSK56/8hn4QcBp/j9M7Gt3U/3hZw3mC7vDICo=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231016165738-49dd2c1f3d0b/go.mod h1:swOH3j0KzcDDgGUWr+SNpyTen5YrXjS3eyPzFYKc6lc=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 h1:Jyp0Hsi0bmHXG6k9eATXoYtjd6e2UzZ1SCn/wIupY14=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:oQ5rr10WTTMvP4A36n8JpR1OrO1BEiV4f78CneXZxkA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f h1:ultW7fxlIvee4HYrtnaRPon9HpEgFk5zYpmfMgtKB5I=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f/go.mod h1:L9KNLi232K1/xB6f7AlSX692koaRnKaWSR0stBki0Yc=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20231127180814-3a041ad873d4 h1:DC7wcm+i+P1rN3Ff07vL+OndGg5OhNddHyTA+ocPqYE=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20231127180814-3a041ad873d4/go.mod h1:eJVxU6o+4G1PSczBr85xmyvSNYAKvAYgkub40YGomFM=
 google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
@@ -330,6 +234,5 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/ntpdb/db.go
+++ b/ntpdb/db.go
@@ -1,6 +1,6 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
-//   sqlc v1.22.0
+//   sqlc v1.24.0

 package ntpdb

--- a/ntpdb/models.go
+++ b/ntpdb/models.go
@@ -1,14 +1,58 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
-//   sqlc v1.22.0
+//   sqlc v1.24.0

 package ntpdb

 import (
+	"database/sql"
 	"database/sql/driver"
 	"fmt"
+	"time"
 )

+type ServersIpVersion string
+
+const (
+	ServersIpVersionV4 ServersIpVersion = "v4"
+	ServersIpVersionV6 ServersIpVersion = "v6"
+)
+
+func (e *ServersIpVersion) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = ServersIpVersion(s)
+	case string:
+		*e = ServersIpVersion(s)
+	default:
+		return fmt.Errorf("unsupported scan type for ServersIpVersion: %T", src)
+	}
+	return nil
+}
+
+type NullServersIpVersion struct {
+	ServersIpVersion ServersIpVersion `json:"servers_ip_version"`
+	Valid            bool             `json:"valid"` // Valid is true if ServersIpVersion is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullServersIpVersion) Scan(value interface{}) error {
+	if value == nil {
+		ns.ServersIpVersion, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.ServersIpVersion.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullServersIpVersion) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.ServersIpVersion), nil
+}
+
 type ZoneServerCountsIpVersion string

 const (
@@ -50,3 +94,21 @@ func (ns NullZoneServerCountsIpVersion) Value() (driver.Value, error) {
 	}
 	return string(ns.ZoneServerCountsIpVersion), nil
 }
+
+type Server struct {
+	ID           uint32           `db:"id" json:"id"`
+	Ip           string           `db:"ip" json:"ip"`
+	IpVersion    ServersIpVersion `db:"ip_version" json:"ip_version"`
+	UserID       uint32           `db:"user_id" json:"user_id"`
+	AccountID    sql.NullInt32    `db:"account_id" json:"account_id"`
+	Hostname     sql.NullString   `db:"hostname" json:"hostname"`
+	Stratum      sql.NullInt32    `db:"stratum" json:"stratum"`
+	InPool       uint32           `db:"in_pool" json:"in_pool"`
+	InServerList uint32           `db:"in_server_list" json:"in_server_list"`
+	Netspeed     uint32           `db:"netspeed" json:"netspeed"`
+	CreatedOn    time.Time        `db:"created_on" json:"created_on"`
+	UpdatedOn    time.Time        `db:"updated_on" json:"updated_on"`
+	ScoreTs      sql.NullTime     `db:"score_ts" json:"score_ts"`
+	ScoreRaw     float64          `db:"score_raw" json:"score_raw"`
+	DeletionOn   sql.NullTime     `db:"deletion_on" json:"deletion_on"`
+}
--- a/ntpdb/otel.go
+++ b/ntpdb/otel.go
@@ -78,6 +78,52 @@ func (_d QuerierTxWithTracing) Commit(ctx context.Context) (err error) {
 	return _d.QuerierTx.Commit(ctx)
 }

+// GetServerByID implements QuerierTx
+func (_d QuerierTxWithTracing) GetServerByID(ctx context.Context, id uint32) (s1 Server, err error) {
+	ctx, _span := otel.Tracer(_d._instance).Start(ctx, "QuerierTx.GetServerByID")
+	defer func() {
+		if _d._spanDecorator != nil {
+			_d._spanDecorator(_span, map[string]interface{}{
+				"ctx": ctx,
+				"id":  id}, map[string]interface{}{
+				"s1":  s1,
+				"err": err})
+		} else if err != nil {
+			_span.RecordError(err)
+			_span.SetAttributes(
+				attribute.String("event", "error"),
+				attribute.String("message", err.Error()),
+			)
+		}
+
+		_span.End()
+	}()
+	return _d.QuerierTx.GetServerByID(ctx, id)
+}
+
+// GetServerByIP implements QuerierTx
+func (_d QuerierTxWithTracing) GetServerByIP(ctx context.Context, ip string) (s1 Server, err error) {
+	ctx, _span := otel.Tracer(_d._instance).Start(ctx, "QuerierTx.GetServerByIP")
+	defer func() {
+		if _d._spanDecorator != nil {
+			_d._spanDecorator(_span, map[string]interface{}{
+				"ctx": ctx,
+				"ip":  ip}, map[string]interface{}{
+				"s1":  s1,
+				"err": err})
+		} else if err != nil {
+			_span.RecordError(err)
+			_span.SetAttributes(
+				attribute.String("event", "error"),
+				attribute.String("message", err.Error()),
+			)
+		}
+
+		_span.End()
+	}()
+	return _d.QuerierTx.GetServerByIP(ctx, ip)
+}
+
 // GetServerNetspeed implements QuerierTx
 func (_d QuerierTxWithTracing) GetServerNetspeed(ctx context.Context, ip string) (u1 uint32, err error) {
 	ctx, _span := otel.Tracer(_d._instance).Start(ctx, "QuerierTx.GetServerNetspeed")
--- a/ntpdb/querier.go
+++ b/ntpdb/querier.go
@@ -1,6 +1,6 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
-//   sqlc v1.22.0
+//   sqlc v1.24.0

 package ntpdb

@@ -9,6 +9,8 @@ import (
 )

 type Querier interface {
+	GetServerByID(ctx context.Context, id uint32) (Server, error)
+	GetServerByIP(ctx context.Context, ip string) (Server, error)
 	GetServerNetspeed(ctx context.Context, ip string) (uint32, error)
 	GetZoneStatsData(ctx context.Context) ([]GetZoneStatsDataRow, error)
 	GetZoneStatsV2(ctx context.Context, ip string) ([]GetZoneStatsV2Row, error)
--- a/ntpdb/query.sql.go
+++ b/ntpdb/query.sql.go
@@ -1,6 +1,6 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
-//   sqlc v1.22.0
+//   sqlc v1.24.0
 // source: query.sql

 package ntpdb
@@ -10,6 +10,64 @@ import (
 	"time"
 )

+const getServerByID = `-- name: GetServerByID :one
+select id, ip, ip_version, user_id, account_id, hostname, stratum, in_pool, in_server_list, netspeed, created_on, updated_on, score_ts, score_raw, deletion_on from servers
+where
+  id = ?
+`
+
+func (q *Queries) GetServerByID(ctx context.Context, id uint32) (Server, error) {
+	row := q.db.QueryRowContext(ctx, getServerByID, id)
+	var i Server
+	err := row.Scan(
+		&i.ID,
+		&i.Ip,
+		&i.IpVersion,
+		&i.UserID,
+		&i.AccountID,
+		&i.Hostname,
+		&i.Stratum,
+		&i.InPool,
+		&i.InServerList,
+		&i.Netspeed,
+		&i.CreatedOn,
+		&i.UpdatedOn,
+		&i.ScoreTs,
+		&i.ScoreRaw,
+		&i.DeletionOn,
+	)
+	return i, err
+}
+
+const getServerByIP = `-- name: GetServerByIP :one
+select id, ip, ip_version, user_id, account_id, hostname, stratum, in_pool, in_server_list, netspeed, created_on, updated_on, score_ts, score_raw, deletion_on from servers
+where
+  ip = ?
+`
+
+func (q *Queries) GetServerByIP(ctx context.Context, ip string) (Server, error) {
+	row := q.db.QueryRowContext(ctx, getServerByIP, ip)
+	var i Server
+	err := row.Scan(
+		&i.ID,
+		&i.Ip,
+		&i.IpVersion,
+		&i.UserID,
+		&i.AccountID,
+		&i.Hostname,
+		&i.Stratum,
+		&i.InPool,
+		&i.InServerList,
+		&i.Netspeed,
+		&i.CreatedOn,
+		&i.UpdatedOn,
+		&i.ScoreTs,
+		&i.ScoreRaw,
+		&i.DeletionOn,
+	)
+	return i, err
+}
+
 const getServerNetspeed = `-- name: GetServerNetspeed :one
 select netspeed from servers where ip = ?
 `
--- a/query.sql
+++ b/query.sql
@@ -35,4 +35,15 @@ WHERE
 	AND in_pool = 1
 	AND netspeed > 0
 GROUP BY z.name)
-AS server_netspeed
+AS server_netspeed;
+
+-- name: GetServerByID :one
+select * from servers
+where
+  id = ?;
+
+
+-- name: GetServerByIP :one
+select * from servers
+where
+  ip = sqlc.arg(ip);
--- a/server/dnsanswers.go
+++ b/server/dnsanswers.go
@@ -24,9 +24,7 @@ const pointSymbol = "‱"

 func (srv *Server) dnsAnswers(c echo.Context) error {
 	log := logger.Setup()
-	ctx := c.Request().Context()
-
-	ctx, span := tracing.Tracer().Start(ctx, "dnsanswers")
+	ctx, span := tracing.Tracer().Start(c.Request().Context(), "dnsanswers")
 	defer span.End()

 	// for errors and 404s, a shorter cache time
--- a/server/graph_image.go
+++ b/server/graph_image.go
@@ -0,0 +1,161 @@
+package server
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptrace"
+	"net/url"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/hashicorp/go-retryablehttp"
+	"github.com/labstack/echo/v4"
+	"go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace"
+	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+
+	"go.ntppool.org/common/logger"
+	"go.ntppool.org/common/tracing"
+
+	"go.ntppool.org/data-api/ntpdb"
+)
+
+func (srv *Server) graphImage(c echo.Context) error {
+	log := logger.Setup()
+	ctx, span := tracing.Tracer().Start(c.Request().Context(), "graphImage")
+	defer span.End()
+
+	// cache errors briefly
+	c.Response().Header().Set("Cache-Control", "public,max-age=240")
+
+	serverID := c.Param("server")
+	imageType := c.Param("type")
+	log = log.With("serverID", serverID).With("type", imageType)
+	log.Info("graph parameters")
+
+	if imageType != "offset.png" {
+		return c.String(http.StatusNotFound, "invalid image name")
+	}
+
+	if len(c.QueryString()) > 0 {
+		// people breaking the varnish cache by adding query parameters
+		redirectURL := c.Request().URL
+		redirectURL.RawQuery = ""
+		log.InfoContext(ctx, "redirecting", "url", redirectURL.String())
+		return c.Redirect(308, redirectURL.String())
+	}
+
+	q := ntpdb.NewWrappedQuerier(ntpdb.New(srv.db))
+
+	var serverData ntpdb.Server
+	var dberr error
+	if id, err := strconv.Atoi(serverID); id > 0 && err == nil {
+		serverData, dberr = q.GetServerByID(ctx, uint32(id))
+	} else {
+		serverData, dberr = q.GetServerByIP(ctx, serverID)
+	}
+	if dberr != nil {
+		if !errors.Is(dberr, sql.ErrNoRows) {
+			log.Error("could not query server id", "err", dberr)
+			return c.String(http.StatusInternalServerError, "server error")
+		}
+		return c.String(http.StatusNotFound, "not found")
+	}
+
+	if serverData.ID == 0 || (serverData.DeletionOn.Valid && serverData.DeletionOn.Time.Before(time.Now())) {
+		return c.String(http.StatusNotFound, "not found")
+	}
+
+	if serverData.Ip != serverID {
+		return c.Redirect(308, fmt.Sprintf("/graph/%s/offset.png", serverData.Ip))
+	}
+
+	contentType, data, err := srv.fetchGraph(ctx, serverData.Ip)
+	if err != nil {
+		span.RecordError(err)
+		return c.String(http.StatusInternalServerError, "server error")
+
+	}
+	if len(data) == 0 {
+		span.RecordError(fmt.Errorf("no data"))
+		return c.String(http.StatusInternalServerError, "server error")
+	}
+
+	ttl := 1800
+	c.Response().Header().Set("Cache-Control",
+		fmt.Sprintf("public,max-age=%d,s-maxage=%.0f",
+			ttl, float64(ttl)*0.75,
+		),
+	)
+
+	return c.Blob(http.StatusOK, contentType, data)
+}
+
+func (srv *Server) fetchGraph(ctx context.Context, serverIP string) (string, []byte, error) {
+	log := logger.Setup()
+	ctx, span := tracing.Tracer().Start(ctx, "fetchGraph")
+	defer span.End()
+
+	// q := url.Values{}
+	// q.Set("graph_only", "1")
+	// pagePath := srv.config.WebURL("/scores/" + serverIP, q)
+
+	serviceHost := os.Getenv("screensnap_service")
+	if len(serviceHost) == 0 {
+		serviceHost = "screensnap"
+	}
+
+	reqURL := url.URL{
+		Scheme: "http",
+		Host:   serviceHost,
+		Path:   fmt.Sprintf("/image/offset/%s", serverIP),
+	}
+
+	client := retryablehttp.NewClient()
+	client.Logger = log
+	client.HTTPClient.Transport = otelhttp.NewTransport(
+		client.HTTPClient.Transport,
+		otelhttp.WithClientTrace(func(ctx context.Context) *httptrace.ClientTrace {
+			return otelhttptrace.NewClientTrace(ctx)
+		}),
+	)
+
+	req, err := retryablehttp.NewRequestWithContext(ctx, "GET", reqURL.String(), nil)
+	if err != nil {
+		return "", nil, err
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		span.AddEvent("unexpected status code", trace.WithAttributes(attribute.Int64("http.status", int64(resp.StatusCode))))
+		return "text/plain", nil, fmt.Errorf("upstream error %d", resp.StatusCode)
+	}
+
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", nil, err
+	}
+
+	return resp.Header.Get("Content-Type"), b, nil
+}
+
+// # my $data = JSON::encode_json(
+// #     {   url              => $url->as_string(),
+// #         timeout          => 10,
+// #         viewport         => "501x233",
+// #         height           => 233,
+// #         resource_timeout => 5,
+// #         wait             => 0.5,
+// #         scale_method     => "vector",
+// #     }
+// # );
--- a/server/server.go
+++ b/server/server.go
@@ -25,6 +25,8 @@ import (
 	"go.ntppool.org/common/version"
 	"go.ntppool.org/common/xff/fastlyxff"

+	"go.ntppool.org/api/config"
+
 	chdb "go.ntppool.org/data-api/chdb"
 	"go.ntppool.org/data-api/ntpdb"
 )
@@ -32,6 +34,7 @@ import (
 type Server struct {
 	db     *sql.DB
 	ch     *chdb.ClickHouse
+	config *config.Config

 	ctx context.Context

@@ -40,6 +43,8 @@ type Server struct {
 }

 func NewServer(ctx context.Context, configFile string) (*Server, error) {
+	log := logger.Setup()
+
 	ch, err := chdb.New(ctx, configFile)
 	if err != nil {
 		return nil, fmt.Errorf("clickhouse open: %w", err)
@@ -49,10 +54,16 @@ func NewServer(ctx context.Context, configFile string) (*Server, error) {
 		return nil, fmt.Errorf("mysql open: %w", err)
 	}

+	conf := config.New()
+	if !conf.Valid() {
+		log.Error("invalid ntppool config")
+	}
+
 	srv := &Server{
 		ch:      ch,
 		db:      db,
 		ctx:     ctx,
+		config:  conf,
 		metrics: metricsserver.New(),
 	}

@@ -171,6 +182,8 @@ func (srv *Server) Run() error {

 	e.GET("/api/usercc", srv.userCountryData)
 	e.GET("/api/server/dns/answers/:server", srv.dnsAnswers)
+	e.GET("/graph/:server/:type", srv.graphImage)
+
 	// e.GET("/api/server/scores/:server/:type", srv.logScores)

 	g.Go(func() error {
--- a/sqlc.yaml
+++ b/sqlc.yaml
@@ -12,6 +12,8 @@ sql:
        omit_unused_structs: true
        emit_interface: true
        # emit_all_enum_values: true
+        rename:
+          servers.Ip: IP
        overrides:
          - column: "server_netspeed.netspeed_active"
            go_type: "uint64"