cic-custodial/cmd/service/init.go
Mohamed Sohail fe9d217b60
docs: add README, add Makefile
dev: add Makefile

docs: add README

fix: Makefile
2023-03-08 14:58:18 +00:00

229 lines
6.1 KiB
Go

package main
import (
"context"
"strings"
"time"
"github.com/bsm/redislock"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/queries"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/sub"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/logg"
"github.com/grassrootseconomics/cic-custodial/pkg/postgres"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/knadh/goyesql/v2"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/v2"
"github.com/nats-io/nats.go"
"github.com/zerodha/logf"
)
// Load logger.
func initLogger() logf.Logger {
loggOpts := logg.LoggOpts{}
if debugFlag {
loggOpts.Color = true
loggOpts.Caller = true
loggOpts.Debug = true
}
return logg.NewLogg(loggOpts)
}
// Load config file.
func initConfig() *koanf.Koanf {
var (
ko = koanf.New(".")
)
confFile := file.Provider(confFlag)
if err := ko.Load(confFile, toml.Parser()); err != nil {
lo.Fatal("init: could not load config file", "error", err)
}
if err := ko.Load(env.Provider("CUSTODIAL_", ".", func(s string) string {
return strings.ReplaceAll(strings.ToLower(
strings.TrimPrefix(s, "CUSTODIAL_")), "__", ".")
}), nil); err != nil {
lo.Fatal("init: could not override config from env vars", "error", err)
}
if debugFlag {
ko.Print()
}
return ko
}
// Load Celo chain provider.
func initCeloProvider() *celoutils.Provider {
providerOpts := celoutils.ProviderOpts{
RpcEndpoint: ko.MustString("chain.rpc_endpoint"),
}
if ko.Bool("chain.testnet") {
providerOpts.ChainId = celoutils.TestnetChainId
} else {
providerOpts.ChainId = celoutils.MainnetChainId
}
provider, err := celoutils.NewProvider(providerOpts)
if err != nil {
lo.Fatal("init: critical error loading chain provider", "error", err)
}
return provider
}
// Load postgres pool.
func initPostgresPool() *pgxpool.Pool {
poolOpts := postgres.PostgresPoolOpts{
DSN: ko.MustString("postgres.dsn"),
MigrationsFolderPath: migrationsFolderFlag,
}
pool, err := postgres.NewPostgresPool(context.Background(), poolOpts)
if err != nil {
lo.Fatal("init: critical error connecting to postgres", "error", err)
}
return pool
}
// Load separate redis connection for the tasker on a reserved db namespace.
func initAsynqRedisPool() *redis.RedisPool {
poolOpts := redis.RedisPoolOpts{
DSN: ko.MustString("asynq.dsn"),
MinIdleConns: ko.MustInt("redis.min_idle_conn"),
}
pool, err := redis.NewRedisPool(context.Background(), poolOpts)
if err != nil {
lo.Fatal("init: critical error connecting to asynq redis db", "error", err)
}
return pool
}
// Common redis connection on a different db namespace from the takser.
func initCommonRedisPool() *redis.RedisPool {
poolOpts := redis.RedisPoolOpts{
DSN: ko.MustString("redis.dsn"),
MinIdleConns: ko.MustInt("redis.min_idle_conn"),
}
pool, err := redis.NewRedisPool(context.Background(), poolOpts)
if err != nil {
lo.Fatal("init: critical error connecting to common redis db", "error", err)
}
return pool
}
// Load SQL statements into struct.
func initQueries() *queries.Queries {
parsedQueries, err := goyesql.ParseFile(queriesFlag)
if err != nil {
lo.Fatal("init: critical error loading SQL queries", "error", err)
}
loadedQueries, err := queries.LoadQueries(parsedQueries)
if err != nil {
lo.Fatal("init: critical error loading SQL queries", "error", err)
}
return loadedQueries
}
// Load postgres based keystore.
func initPostgresKeystore(postgresPool *pgxpool.Pool, queries *queries.Queries) keystore.Keystore {
keystore := keystore.NewPostgresKeytore(keystore.Opts{
PostgresPool: postgresPool,
Queries: queries,
})
return keystore
}
// Load redis backed noncestore.
func initRedisNoncestore(redisPool *redis.RedisPool, celoProvider *celoutils.Provider) nonce.Noncestore {
return nonce.NewRedisNoncestore(nonce.Opts{
RedisPool: redisPool,
CeloProvider: celoProvider,
})
}
// Load global lock provider.
func initLockProvider(redisPool redislock.RedisClient) *redislock.Client {
return redislock.New(redisPool)
}
// Load tasker client.
func initTaskerClient(redisPool *redis.RedisPool) *tasker.TaskerClient {
return tasker.NewTaskerClient(tasker.TaskerClientOpts{
RedisPool: redisPool,
})
}
// Load Postgres store.
func initPostgresStore(postgresPool *pgxpool.Pool, queries *queries.Queries) store.Store {
return store.NewPostgresStore(store.Opts{
PostgresPool: postgresPool,
Queries: queries,
})
}
// Init JetStream context for both pub/sub.
func initJetStream() (*nats.Conn, nats.JetStreamContext) {
natsConn, err := nats.Connect(ko.MustString("jetstream.endpoint"))
if err != nil {
lo.Fatal("init: critical error connecting to NATS", "error", err)
}
js, err := natsConn.JetStream()
if err != nil {
lo.Fatal("init: bad JetStream opts", "error", err)
}
return natsConn, js
}
func initPub(jsCtx nats.JetStreamContext) *pub.Pub {
pub, err := pub.NewPub(pub.PubOpts{
DedupDuration: time.Duration(ko.MustInt("jetstream.dedup_duration_hrs")) * time.Hour,
JsCtx: jsCtx,
PersistDuration: time.Duration(ko.MustInt("jetstream.persist_duration_hrs")) * time.Hour,
})
if err != nil {
lo.Fatal("init: critical error bootstrapping pub", "error", err)
}
return pub
}
func initSub(natsConn *nats.Conn, jsCtx nats.JetStreamContext, cu *custodial.Custodial) *sub.Sub {
sub, err := sub.NewSub(sub.SubOpts{
CustodialContainer: cu,
JsCtx: jsCtx,
Logg: lo,
NatsConn: natsConn,
})
if err != nil {
lo.Fatal("init: critical error bootstrapping sub", "error", err)
}
return sub
}