Interim - Adjust Scripts & PG Connection Params to facilitate Docker DB option

core/db.go

@@ -3,18 +3,23 @@ package core
 import (
 	"database/sql"
 	"fmt"
+	"os"
 )
 
 var blockExplorerDb *sql.DB
 
-// @NOTE:SHYFT - TODO: Move connection parameters into an env file
+// @NOTE: SHYFT - could be refactored to add a test db environment
 const (
-	connStr = "user=postgres dbname=shyftdb host=pg password=docker sslmode=disable"
-	// connStr     = "postgresql://postgres:docker@pg:5432/shyftdb"
 	connStrTest = "user=postgres dbname=shyftdbtest password=docker sslmode=disable"
 )
 
+var connStr = connectionStr()
+
+// InitDB - initalizes a Postgresql Database for use by the Blockexplorer
 func InitDB() (*sql.DB, error) {
+	// To set the environment you can run the program with an ENV variable DBENV.
+	// DBENV defaults to local for purposes of running the correct local
+	// database connection parameters but will use docker connection parameters if DBENV=docker
 	db, err := sql.Open("postgres", connStr)
 	if err != nil {
 		fmt.Println("ERROR OPENING DB, NOT INITIALIZING")
@@ -26,6 +31,16 @@ func InitDB() (*sql.DB, error) {
 	}
 }
 
+func connectionStr() string {
+	dbEnv := os.Getenv("DBENV")
+	switch dbEnv {
+	default:
+		return "user=postgres dbname=shyftdb host=localhost sslmode=disable"
+	case "docker":
+		return "user=postgres dbname=shyftdb host=pg password=docker sslmode=disable"
+	}
+}
+
 func InitDBTest() (*sql.DB, error) {
 	db, err := sql.Open("postgres", connStrTest)
 	if err != nil {

core/genesis.go

@@ -25,7 +25,10 @@ import (
 	"math/big"
 	"strings"
 
-	_ "github.com/lib/pq"
+	"database/sql"
+	"strconv"
+	"time"
+
 	"github.com/ShyftNetwork/go-empyrean/common"
 	"github.com/ShyftNetwork/go-empyrean/common/hexutil"
 	"github.com/ShyftNetwork/go-empyrean/common/math"
@@ -35,9 +38,7 @@ import (
 	"github.com/ShyftNetwork/go-empyrean/log"
 	"github.com/ShyftNetwork/go-empyrean/params"
 	"github.com/ShyftNetwork/go-empyrean/rlp"
-	"database/sql"
-	"strconv"
-	"time"
+	_ "github.com/lib/pq"
 )
 
 //go:generate gencodec -type Genesis -field-override genesisSpecMarshaling -out gen_genesis.go
@@ -188,7 +189,9 @@ func WriteShyftGen(gen *Genesis, block *types.Block) {
 			}
 		default:
 			log.Info("Found Genesis Block")
-}}}
+		}
+	}
+}
 
 func WriteShyftBlockZero(block *types.Block, gen *Genesis) error {
 
@@ -229,6 +232,7 @@ func WriteShyftBlockZero(block *types.Block, gen *Genesis) error {
 	}
 	return nil
 }
+
 // SetupGenesisBlock writes or updates the genesis block in db.
 // The block that will be used is:
 //
@@ -315,6 +319,7 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
 		return params.AllEthashProtocolChanges
 	}
 }
+
 // ToBlock creates the genesis block and writes state of a genesis specification
 // to the given database (or discards it if nil).
 func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
@@ -439,6 +444,7 @@ func DefaultRinkebyGenesisBlock() *Genesis {
 		Alloc:      decodePrealloc(rinkebyAllocData),
 	}
 }
+
 // DeveloperGenesisBlock returns the 'geth --dev' genesis block. Note, this must
 // be seeded with the
 func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {

docker-compose.yml

@@ -21,6 +21,7 @@ services:
       - shyftnet
     command: >
       sh -c '/go/src/ShyftNetwork/go-empyrean/wait-for.sh pg:5432 &&
+            DBENV=docker export DBENV &&
             /initShyftGeth.sh &&
             /startShyftGeth.sh'
   pg:
@@ -28,7 +29,7 @@ services:
       context: $PWD
       dockerfile: containers/docker/develop-alpine/pg/Dockerfile
     volumes:
-      - ./pg-data/data:/var/lib/postgresql/data
+      - ./pg-data:/var/lib/postgresql/
     ports:
       - "8001:5432"
     networks:
@@ -36,12 +37,19 @@ services:
     environment:
       - POSTGRES_USER=postgres
       - POSGRES_PASSWORD=docker
-      - PGDATA=/pg-data
+  # api:
+  #   build:
+  #     context: $PWD 
+  #     dockerfile: containers/docker/develop-alpine/shyftApi/Dockerfile   
+  # volumes: -
+
+
 
 networks:
   shyftnet:
     driver: bridge
-
+# volumes: 
+#   pg-data:
 
   # api:
   #   build:

shyft-cli/initShyftGeth.sh

@@ -1,2 +1,6 @@
 #!/bin/sh
+if [[ -z "${DBENV}" ]]; then
+  ./build/bin/geth --identity "ShyftTestnetNode" --keystore ./ --datadir "./shyftData" init ShyftNetwork.json
+else
   /bin/geth --identity "ShyftTestnetNode" --keystore ./ --datadir "./shyftData" init ShyftNetwork.json
+fi

shyft-cli/startShyftGeth.sh

@@ -1,2 +1,6 @@
 #!/bin/sh
+if [[ -z "${DBENV}" ]]; then
+  ./build/bin/geth --config config.toml --ws --wsaddr="0.0.0.0" --wsorigins "*" --nat=none --mine --minerthreads 4 --targetgaslimit 80000000 --unlock "0x43EC6d0942f7fAeF069F7F63D0384a27f529B062,0x9e602164C5826ebb5A6B68E4AFD9Cd466043dc4A,0x5Bd738164C61FB50eb12E227846CbaeF2dE965Aa,0xC04eE4131895F1d0C294D508AF65D94060AA42BB,0x07D899C4aC0c1725C35C5f816e60273B33a964F7" --password ./unlockPasswords.txt
+else
   /bin/geth --config config.toml --ws --wsaddr="0.0.0.0" --wsorigins "*" --nat=none --mine --minerthreads 4 --targetgaslimit 80000000 --unlock "0x43EC6d0942f7fAeF069F7F63D0384a27f529B062,0x9e602164C5826ebb5A6B68E4AFD9Cd466043dc4A,0x5Bd738164C61FB50eb12E227846CbaeF2dE965Aa,0xC04eE4131895F1d0C294D508AF65D94060AA42BB,0x07D899C4aC0c1725C35C5f816e60273B33a964F7" --password ./unlockPasswords.txt
+fi

wait-for.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-
+# https://github.com/eficode/wait-for.git
 log() {
   echo "[wait-for] [`date +'%Y%m%d%H%M%S'`] $@"
 }