/
config.go
80 lines (66 loc) · 1.46 KB
/
config.go
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package pg
import (
"strconv"
"strings"
"github.com/jeffrom/job-manager/pkg/backend"
)
var DefaultConfig = Config{
Config: backend.DefaultConfig,
Database: "job_manager",
// Host: "localhost",
}
type Config struct {
backend.Config
Database string `json:"database" envconfig:"postgres_database"`
Host string `json:"host,omitempty" envconfig:"postgres_host"`
Port int `json:"port,omitempty" envconfig:"postgres_port"`
User string `json:"user,omitempty" envconfig:"postgres_user"`
Password string `json:"password,omitempty" envconfig:"postgres_pass"`
SSLMode string `json:"sslmode,omitempty" envconfig:"postgres_sslmode"`
}
func (c Config) DSN() string {
var b strings.Builder
n := 0
if c.Database != "" {
semanticSpace(&b, n)
b.WriteString("database=")
b.WriteString(c.Database)
n++
}
if c.Host != "" {
semanticSpace(&b, n)
b.WriteString("host=")
b.WriteString(c.Host)
n++
}
if c.Port > 0 {
semanticSpace(&b, n)
b.WriteString("port=")
b.WriteString(strconv.FormatInt(int64(c.Port), 10))
n++
}
if c.User != "" {
semanticSpace(&b, n)
b.WriteString("user=")
b.WriteString(c.User)
n++
}
if c.Password != "" {
semanticSpace(&b, n)
b.WriteString("password=")
b.WriteString(c.Password)
n++
}
if c.SSLMode != "" {
semanticSpace(&b, n)
b.WriteString("sslmode=")
b.WriteString(c.SSLMode)
n++
}
return b.String()
}
func semanticSpace(b *strings.Builder, n int) {
if n > 0 {
b.WriteByte(' ')
}
}