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secrets.go
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secrets.go
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package main
import (
"fmt"
"os"
"sync"
)
type ProviderSecrets map[SecretType]string
type SecretStore struct {
mu sync.Mutex
secrets map[int]map[SecretType]string
}
func (p *SecretStore) Secrets(id int, authType AuthType) (ProviderSecrets, error) {
p.mu.Lock()
defer p.mu.Unlock()
if p.secrets == nil {
p.secrets = make(map[int]map[SecretType]string)
}
s, ok := p.secrets[id]
if ok {
return s, nil
}
vars, err := SecretEnvVarNames(id, authType)
if err != nil {
return nil, err
}
s = make(map[SecretType]string)
for ty, name := range vars {
val, ok := os.LookupEnv(name)
if !ok {
return nil, fmt.Errorf("missing environment variable: %q", name)
}
s[ty] = val
}
p.secrets[id] = s
return s, nil
}
func SecretEnvVarNames(id int, authType AuthType) (map[SecretType]string, error) {
vars := make(map[SecretType]string)
switch authType {
case AuthTypeBearerToken:
vars[SecretTypeBearerToken] = fmt.Sprintf("%sPROVIDER%d_BEARER_TOKEN", envPrefix, id)
case AuthTypeBasicAuth:
vars[SecretTypeUsername] = fmt.Sprintf("%sPROVIDER%d_USERNAME", envPrefix, id)
vars[SecretTypePassword] = fmt.Sprintf("%sPROVIDER%d_PASSWORD", envPrefix, id)
case AuthTypeAWSAccessKey:
vars[SecretTypeAccessKeyID] = fmt.Sprintf("%sPROVIDER%d_ACCESS_KEY_ID", envPrefix, id)
vars[SecretTypeSecretAccessKey] = fmt.Sprintf("%sPROVIDER%d_SECRET_ACCESS_KEY", envPrefix, id)
vars[SecretTypeRegion] = fmt.Sprintf("%sPROVIDER%d_REGION", envPrefix, id)
default:
return nil, fmt.Errorf("unsupported auth type: %q", authType)
}
return vars, nil
}