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Code Issues Releases Activity

update tracing, fixed docker-compose and removed vendor dir

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This commit is contained in:
Lee Brown
2019-05-23 19:40:29 -05:00
parent c77dd8f5f3
commit c19f46e07f
264 changed files with 391 additions and 45102 deletions
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43
example-project/cmd/web-api/Dockerfile Normal file
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@ -0,0 +1,43 @@
FROM golang:alpine3.9 AS build_base
LABEL maintainer="lee@geeksinthewoods.com"
RUN apk --update --no-cache add \
git
# go to base project
WORKDIR $GOPATH/src/gitlab.com/geeks-accelerator/oss/saas-starter-kit/example-project
# enable go modules
ENV GO111MODULE="on"
COPY go.mod .
COPY go.sum .
RUN go mod download
FROM build_base AS builder
# copy shared packages
COPY internal ./internal
# copy cmd specific package
COPY cmd/web-api ./cmd/web-api
COPY cmd/web-api/templates /templates
#COPY cmd/web-api/static /static
WORKDIR ./cmd/web-api
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o /gosrv .
FROM alpine:3.9
RUN apk --update --no-cache add \
tzdata ca-certificates curl openssl
COPY --from=builder /gosrv /
#COPY --from=builder /static /static
COPY --from=builder /templates /templates
ARG gogc="50"
ENV GOGC $gogc
ENTRYPOINT ["/gosrv"]

2
example-project/cmd/web-api/handlers/routes.go
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@ -15,7 +15,7 @@ import (
func API(shutdown chan os.Signal, log *log.Logger, masterDB *sqlx.DB, authenticator *auth.Authenticator) http.Handler {
// Construct the web.App which holds all routes as well as common Middleware.
app := web.NewApp(shutdown, log, mid.Logger(log), mid.Errors(log), mid.Metrics(), mid.Panics())
app := web.NewApp(shutdown, log, mid.Trace(), mid.Logger(log), mid.Errors(log), mid.Metrics(), mid.Panics())
// Register health check endpoint. This route is not authenticated.
check := Check{

101
example-project/cmd/web-api/main.go
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@ -4,6 +4,8 @@ import (
"context"
"encoding/json"
"expvar"
"fmt"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
"log"
"net/http"
_ "net/http/pprof"
@ -17,14 +19,12 @@ import (
"geeks-accelerator/oss/saas-starter-kit/example-project/cmd/web-api/handlers"
"geeks-accelerator/oss/saas-starter-kit/example-project/internal/platform/auth"
"geeks-accelerator/oss/saas-starter-kit/example-project/internal/platform/flag"
itrace "geeks-accelerator/oss/saas-starter-kit/example-project/internal/platform/trace"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/go-redis/redis"
"github.com/kelseyhightower/envconfig"
"github.com/lib/pq"
"go.opencensus.io/trace"
awstrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/aws/aws-sdk-go/aws"
sqltrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/database/sql"
redistrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/go-redis/redis"
@ -46,46 +46,45 @@ func main() {
var cfg struct {
Env string `default:"dev" envconfig:"ENV"`
HTTP struct {
Host string `default:"0.0.0.0:3000" envconfig:"HTTP_HOST"`
ReadTimeout time.Duration `default:"10s" envconfig:"HTTP_READ_TIMEOUT"`
WriteTimeout time.Duration `default:"10s" envconfig:"HTTP_WRITE_TIMEOUT"`
Host string `default:"0.0.0.0:3000" envconfig:"HOST"`
ReadTimeout time.Duration `default:"10s" envconfig:"READ_TIMEOUT"`
WriteTimeout time.Duration `default:"10s" envconfig:"WRITE_TIMEOUT"`
}
HTTPS struct {
Host string `default:"" envconfig:"HTTPS_HOST"`
ReadTimeout time.Duration `default:"5s" envconfig:"HTTPS_READ_TIMEOUT"`
WriteTimeout time.Duration `default:"5s" envconfig:"HTTPS_WRITE_TIMEOUT"`
Host string `default:"" envconfig:"HOST"`
ReadTimeout time.Duration `default:"5s" envconfig:"READ_TIMEOUT"`
WriteTimeout time.Duration `default:"5s" envconfig:"WRITE_TIMEOUT"`
}
App struct {
Name string `default:"web-api" envconfig:"APP_NAME"`
BaseUrl string `default:"" envconfig:"APP_BASE_URL"`
TemplateDir string `default:"./templates" envconfig:"APP_TEMPLATE_DIR"`
DebugHost string `default:"0.0.0.0:4000" envconfig:"APP_DEBUG_HOST"`
ShutdownTimeout time.Duration `default:"5s" envconfig:"APP_SHUTDOWN_TIMEOUT"`
Name string `default:"web-api" envconfig:"NAME"`
BaseUrl string `default:"" envconfig:"BASE_URL"`
TemplateDir string `default:"./templates" envconfig:"TEMPLATE_DIR"`
DebugHost string `default:"0.0.0.0:4000" envconfig:"DEBUG_HOST"`
ShutdownTimeout time.Duration `default:"5s" envconfig:"SHUTDOWN_TIMEOUT"`
}
Redis struct {
DialTimeout time.Duration `default:"5s" envconfig:"REDIS_DIAL_TIMEOUT"`
Host string `default:":6379" envconfig:"REDIS_HOST"`
DB int `default:"1" envconfig:"REDIS_DB"`
MaxmemoryPolicy string `envconfig:"REDIS_MAXMEMORY_POLICY"`
Host string `default:":6379" envconfig:"HOST"`
DB int `default:"1" envconfig:"DB"`
DialTimeout time.Duration `default:"5s" envconfig:"DIAL_TIMEOUT"`
MaxmemoryPolicy string `envconfig:"MAXMEMORY_POLICY"`
}
DB struct {
Host string `default:"127.0.0.1:5433" envconfig:"DB_HOST"`
User string `default:"postgres" envconfig:"DB_USER"`
Pass string `default:"postgres" envconfig:"DB_PASS" json:"-"` // don't print
Database string `default:"shared" envconfig:"DB_DATABASE"`
Driver string `default:"postgres" envconfig:"DB_DRIVER"`
Timezone string `default:"utc" envconfig:"DB_TIMEZONE"`
DisableTLS bool `default:"false" envconfig:"DB_DISABLE_TLS"`
Host string `default:"127.0.0.1:5433" envconfig:"HOST"`
User string `default:"postgres" envconfig:"USER"`
Pass string `default:"postgres" envconfig:"PASS" json:"-"` // don't print
Database string `default:"shared" envconfig:"DATABASE"`
Driver string `default:"postgres" envconfig:"DRIVER"`
Timezone string `default:"utc" envconfig:"TIMEZONE"`
DisableTLS bool `default:"false" envconfig:"DISABLE_TLS"`
}
Trace struct {
Host string `default:"http://tracer:3002/v1/publish" envconfig:"TRACE_HOST"`
BatchSize int `default:"1000" envconfig:"TRACE_BATCH_SIZE"`
SendInterval time.Duration `default:"15s" envconfig:"TRACE_SEND_INTERVAL"`
SendTimeout time.Duration `default:"500ms" envconfig:"TRACE_SEND_TIMEOUT"`
Host string `default:"127.0.0.1" envconfig:"DD_TRACE_AGENT_HOSTNAME"`
Port int `default:"8126" envconfig:"DD_TRACE_AGENT_PORT"`
AnalyticsRate float64 `default:"0.10" envconfig:"ANALYTICS_RATE"`
}
AwsAccount struct {
AccessKeyID string `envconfig:"AWS_ACCESS_KEY_ID"`
SecretAccessKey string `envconfig:"AWS_SECRET_ACCESS_KEY" json:"-"` // don't print
Aws struct {
AccessKeyID string `envconfig:"AWS_ACCESS_KEY_ID" required:"true"` // WEB_API_AWS_AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY_ID
SecretAccessKey string `envconfig:"AWS_SECRET_ACCESS_KEY" required:"true" json:"-"` // don't print
Region string `default:"us-east-1" envconfig:"AWS_REGION"`
// Get an AWS session from an implicit source if no explicit
@ -94,8 +93,8 @@ func main() {
UseRole bool `envconfig:"AWS_USE_ROLE"`
}
Auth struct {
AwsSecretID string `default:"auth-secret-key" envconfig:"AUTH_AWS_SECRET_ID"`
KeyExpiration time.Duration `default:"3600s" envconfig:"AUTH_KEY_EXPIRATION"`
AwsSecretID string `default:"auth-secret-key" envconfig:"AWS_SECRET_ID"`
KeyExpiration time.Duration `default:"3600s" envconfig:"KEY_EXPIRATION"`
}
BuildInfo struct {
CiCommitRefName string `envconfig:"CI_COMMIT_REF_NAME"`
@ -168,14 +167,14 @@ func main() {
// =========================================================================
// Init AWS Session
var awsSession *session.Session
if cfg.AwsAccount.UseRole {
if cfg.Aws.UseRole {
// Get an AWS session from an implicit source if no explicit
// configuration is provided. This is useful for taking advantage of
// EC2/ECS instance roles.
awsSession = session.Must(session.NewSession())
} else {
creds := credentials.NewStaticCredentials(cfg.AwsAccount.AccessKeyID, cfg.AwsAccount.SecretAccessKey, "")
awsSession = session.New(&aws.Config{Region: aws.String(cfg.AwsAccount.Region), Credentials: creds})
creds := credentials.NewStaticCredentials(cfg.Aws.AccessKeyID, cfg.Aws.SecretAccessKey, "")
awsSession = session.New(&aws.Config{Region: aws.String(cfg.Aws.Region), Credentials: creds})
}
awsSession = awstrace.WrapSession(awsSession)
@ -219,7 +218,7 @@ func main() {
var dbUrl url.URL
{
// Query parameters.
var q url.Values
var q url.Values = make(map[string][]string)
// Handle SSL Mode
if cfg.DB.DisableTLS {
@ -239,6 +238,7 @@ func main() {
RawQuery: q.Encode(),
}
}
log.Println("main : Started : Initialize Database")
// Register informs the sqlxtrace package of the driver that we will be using in our program.
// It uses a default service name, in the below case "postgres.db". To use a custom service
@ -259,28 +259,11 @@ func main() {
// =========================================================================
// Start Tracing Support
logger := func(format string, v ...interface{}) {
log.Printf(format, v...)
}
log.Printf("main : Tracing Started : %s", cfg.Trace.Host)
exporter, err := itrace.NewExporter(logger, cfg.Trace.Host, cfg.Trace.BatchSize, cfg.Trace.SendInterval, cfg.Trace.SendTimeout)
if err != nil {
log.Fatalf("main : RegiTracingster : ERROR : %v", err)
}
defer func() {
log.Printf("main : Tracing Stopping : %s", cfg.Trace.Host)
batch, err := exporter.Close()
if err != nil {
log.Printf("main : Tracing Stopped : ERROR : Batch[%d] : %v", batch, err)
} else {
log.Printf("main : Tracing Stopped : Flushed Batch[%d]", batch)
}
}()
trace.RegisterExporter(exporter)
trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
th := fmt.Sprintf("%s:%d", cfg.Trace.Host, cfg.Trace.Port)
log.Printf("main : Tracing Started : %s", th)
sr := tracer.NewRateSampler(cfg.Trace.AnalyticsRate)
tracer.Start(tracer.WithAgentAddr(th), tracer.WithSampler(sr))
defer tracer.Stop()
// =========================================================================
// Start Debug Service. Not concerned with shutting this down when the