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feat(config): Env var config (#88)" #122

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merged 2 commits into from
Sep 24, 2020
Merged

feat(config): Env var config (#88)" #122

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1d07cd9
feat(config): Env var config (#88)"
Sep 23, 2020
4e761d2
chore(log): Using logrus for warnings
Sep 24, 2020
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44 changes: 35 additions & 9 deletions cmd/server/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,22 +18,29 @@ import (
"context"
"flag"
"fmt"
"log"
"os"
"strconv"

"github.com/googleforgames/triton/internal/app/server"
)
log "github.com/sirupsen/logrus"

var (
port = flag.Uint("port", 6000, "The port number to run Triton on")
cloud = flag.String("cloud", "gcp", "The public cloud provider you wish to run Triton on")
bucket = flag.String("bucket", "gs://triton-dev-store", "The bucket which will hold Triton blobs")
project = flag.String("project", "triton-for-games-dev", "The GCP project ID to use for Datastore")
cache = flag.String("cache", "localhost:6379", "The address of the cache store instance")
"github.com/googleforgames/triton/internal/app/server"
)

func main() {
defaultPort := getEnvVarUInt("TRITON_PORT", 6000)
defaultCloud := getEnvVarString("TRITON_CLOUD", "gcp")
defaultBucket := getEnvVarString("TRITON_BUCKET", "gs://triton-dev-store")
defaultProject := getEnvVarString("TRITON_PROJECT", "triton-for-games-dev")
defaultCache := getEnvVarString("TRITON_CACHE", "localhost:6379")

var (
port = flag.Uint("port", uint(defaultPort), "The port number to run Triton on")
cloud = flag.String("cloud", defaultCloud, "The public cloud provider you wish to run Triton on")
bucket = flag.String("bucket", defaultBucket, "The bucket which will hold Triton blobs")
project = flag.String("project", defaultProject, "The GCP project ID to use for Datastore")
cache = flag.String("cache", defaultCache, "The address of the cache store instance")
)

flag.Parse()
if *cloud == "" {
log.Fatal("missing -cloud argument for cloud provider")
Expand Down Expand Up @@ -70,3 +77,22 @@ func main() {
log.Fatalf("got error starting server: %v", err)
}
}

func getEnvVarString(name string, defValue string) string {
if value := os.Getenv(name); value != "" {
return value
}
return defValue
}

func getEnvVarUInt(name string, defValue uint64) uint64 {
if value := os.Getenv(name); value != "" {
uval, err := strconv.ParseUint(value, 10, 64)
if err != nil {
log.Warningf("failed to parse %s env variable, default to %v", name, defValue)
uval = defValue
}
return uval
}
return defValue
}