daddy/internal/config/config.go

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package config
import (
"io"
"io/ioutil"
"time"
"github.com/lithammer/dedent"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
"github.com/caarlos0/env/v6"
"gopkg.in/yaml.v2"
)
type Config struct {
Debug bool `yaml:"debug" env:"DEBUG"`
Log LogConfig `yaml:"log"`
HTTP HTTPConfig `yaml:"http"`
OIDC OIDCConfig `yaml:"oidc"`
Database DatabaseConfig `yaml:"database"`
Auth AuthConfig `yaml:"auth"`
SMTP SMTPConfig `yaml:"smtp"`
Task TaskConfig `yaml:"task"`
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Sentry SentryConfig `ymal:"sentry"`
}
// NewFromFile retrieves the configuration from the given file
func NewFromFile(filepath string) (*Config, error) {
config := NewDefault()
data, err := ioutil.ReadFile(filepath)
if err != nil {
return nil, errors.Wrapf(err, "could not read file '%s'", filepath)
}
if err := yaml.Unmarshal(data, config); err != nil {
return nil, errors.Wrapf(err, "could not unmarshal configuration")
}
return config, nil
}
type HTTPConfig struct {
Address string `yaml:"address" env:"HTTP_ADDRESS"`
CookieAuthenticationKey string `yaml:"cookieAuthenticationKey" env:"HTTP_COOKIE_AUTHENTICATION_KEY"`
CookieEncryptionKey string `yaml:"cookieEncryptionKey" env:"HTTP_COOKIE_ENCRYPTION_KEY"`
CookieMaxAge int `yaml:"cookieMaxAge" env:"HTTP_COOKIE_MAX_AGE"`
TemplateDir string `yaml:"templateDir" env:"HTTP_TEMPLATE_DIR"`
PublicDir string `yaml:"publicDir" env:"HTTP_PUBLIC_DIR"`
FrontendURL string `yaml:"frontendURL" env:"HTTP_FRONTEND_URL"`
CORS CORSConfig `yaml:"cors"`
}
type CORSConfig struct {
AllowedOrigins []string `yaml:"allowedOrigins" env:"HTTP_CORS_ALLOWED_ORIGINS"`
AllowCredentials bool `yaml:"allowCredentials" env:"HTTP_CORS_ALLOW_CREDENTIALS"`
}
type OIDCConfig struct {
ClientID string `yaml:"clientId" env:"OIDC_CLIENT_ID"`
ClientSecret string `yaml:"clientSecret" env:"OIDC_CLIENT_SECRET"`
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IssuerURL string `yaml:"issuerUrl" env:"OIDC_ISSUER_URL"`
RedirectURL string `yaml:"redirectUrl" env:"OIDC_REDIRECT_URL"`
PostLogoutRedirectURL string `yaml:"postLogoutRedirectURL" env:"OIDC_POST_LOGOUT_REDIRECT_URL"`
}
type LogConfig struct {
Level logger.Level `yaml:"level" env:"LOG_LEVEL"`
Format logger.Format `yaml:"format" env:"LOG_FORMAT"`
}
type DatabaseConfig struct {
DSN string `yaml:"dsn" env:"DATABASE_DSN"`
}
type AuthConfig struct {
Rules []string `yaml:"rules" env:"AUTH_RULES"`
}
type SMTPConfig struct {
Host string `yaml:"host" env:"SMTP_HOST"`
Port int `yaml:"port" env:"SMTP_PORT"`
UseStartTLS bool `yaml:"useStartTLS" env:"SMTP_USE_START_TLS"`
User string `yaml:"user" env:"SMTP_USER"`
Password string `yaml:"password" env:"SMTP_PASSWORD"`
InsecureSkipVerify bool `yaml:"insecureSkipVerify" env:"SMTP_INSECURE_SKIP_VERIFY"`
SenderAddress string `yaml:"senderAddress" env:"SMTP_SENDER_ADDRESS"`
SenderName string `yaml:"senderName" env:"SMTP_SENDER_NAME"`
}
type TaskConfig struct {
Newsletter NewsletterTaskConfig `yaml:"newsletter"`
}
type NewsletterTaskConfig struct {
CronSpec string `yaml:"cronSpec" env:"TASK_NEWSLETTER_CRON_SPEC"`
TimeRange time.Duration `yaml:"timeRange" env:"TASK_NEWSLETTER_TIME_RANGE"`
BaseURL string `yaml:"baseUrl" env:"TASK_NEWSLETTER_BASE_URL"`
ContentTemplate string `yaml:"contentTemplate" env:"TASK_NEWSLETTER_CONTENT_TEMPLATE"`
SubjectTemplate string `yaml:"subjectTemplate" env:"TASK_NEWSLETTER_SUBJECT_TEMPLATE"`
}
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type SentryConfig struct {
DSN string `yaml:"dsn" env:"SENTRY_DSN"`
// Server events sampling rate, see https://docs.sentry.io/platforms/go/configuration/options/
ServerSampleRate float64 `yaml:"serverSampleRate" env:"SENTRY_SERVER_SAMPLE_RATE"`
ServerFlushTimeout time.Duration `yaml:"serverFlushTimeout" env:"SENTRY_SERVER_FLUSH_TIMEOUT"`
Environment string `yaml:"environment" env:"SENTRY_ENVIRONMENT"`
}
func NewDumpDefault() *Config {
config := NewDefault()
return config
}
func NewDefault() *Config {
return &Config{
Debug: false,
Log: LogConfig{
Level: logger.LevelInfo,
Format: logger.FormatHuman,
},
HTTP: HTTPConfig{
Address: ":8081",
CookieAuthenticationKey: "",
CookieEncryptionKey: "",
CookieMaxAge: int((time.Hour * 24).Seconds()), // 24 hours
TemplateDir: "template",
PublicDir: "public",
FrontendURL: "http://localhost:8080",
CORS: CORSConfig{
AllowedOrigins: []string{"http://localhost:8080"},
AllowCredentials: true,
},
},
OIDC: OIDCConfig{
IssuerURL: "http://localhost:4444/",
RedirectURL: "http://localhost:8081/oauth2/callback",
PostLogoutRedirectURL: "http://localhost:8081",
},
Database: DatabaseConfig{
DSN: "host=localhost database=daddy",
},
Auth: AuthConfig{
Rules: []string{
"user.Email endsWith 'cadoles.com'",
},
},
SMTP: SMTPConfig{
Host: "localhost",
Port: 2525,
User: "",
Password: "",
SenderAddress: "noreply@localhost",
SenderName: "noreply",
},
Task: TaskConfig{
Newsletter: NewsletterTaskConfig{
CronSpec: "0 9 * * 1",
TimeRange: 24 * 7 * time.Hour,
BaseURL: "http://localhost:8080",
ContentTemplate: dedent.Dedent(`
{{- $root := . -}}
Bonjour{{if .User.Name}} {{ .User.Name }}{{end}},
{{ if not .HasEvents -}}
Aucun évènement notoire ces derniers jours.
{{ else -}}
Voici les évènements de ces derniers jours:
{{- end}}
{{- with .ReadyToVote }}
Dossiers récemment prêts à voter
--------------------------------
{{range . -}}
- "{{ .Title }}" - {{ $root.BaseURL }}/decisions/{{ .ID }} - créé le {{ .CreatedAt.Format "02/01/2006" }}
{{ end }}
{{- end}}
{{- with .Voted }}
Récemment votés
---------------
{{range . -}}
- "{{ .Title }}" - {{ $root.BaseURL }}/decisions/{{ .ID }} - voté le {{ .VotedAt.Format "02/01/2006" }}
{{ end }}
{{- end}}
{{- with .NewDecisionSupportFiles }}
Nouveaux dossiers d'aide à la décision
--------------------------------------
{{range . -}}
- "{{ .Title }}" - {{ $root.BaseURL }}/decisions/{{ .ID }} - créé le {{ .CreatedAt.Format "02/01/2006" }}
{{ end }}
{{- end}}
{{- with .NewWorkgroups}}
Nouveaux groupes de travail
---------------------------
{{range . -}}
- "{{ .Name }}" - {{ $root.BaseURL }}/workgroups/{{ .ID }} - créé le {{ .CreatedAt.Format "02/01/2006" }}
{{ end }}
{{- end}}
Bonne semaine,
Daddy
`),
SubjectTemplate: `[Daddy] Évènements du {{ .From.Format "02/01/2006" }} au {{ .To.Format "02/01/2006" }}`,
},
},
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Sentry: SentryConfig{
DSN: "",
ServerSampleRate: 1,
ServerFlushTimeout: 2 * time.Second,
Environment: "",
},
}
}
func Dump(config *Config, w io.Writer) error {
data, err := yaml.Marshal(config)
if err != nil {
return errors.Wrap(err, "could not dump config")
}
if _, err := w.Write(data); err != nil {
return err
}
return nil
}
func WithEnvironment(conf *Config) error {
if err := env.Parse(conf); err != nil {
return err
}
return nil
}