/
registry.go
81 lines (63 loc) · 1.55 KB
/
registry.go
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package resourceexec
import (
"context"
"errors"
"github.com/seal-io/walrus/pkg/operator/aws/key"
"github.com/seal-io/walrus/pkg/operator/types"
"github.com/seal-io/walrus/utils/log"
)
// resourceTypes indicate supported resource type and their functions.
var resourceTypes map[string]getExecutableResource
type getExecutableResource func(ctx context.Context) (types.ExecutableResource, error)
func init() {
resourceTypes = map[string]getExecutableResource{
"aws_instance": getEc2Instance,
}
}
// Supported indicate whether the resource is supported to exec.
func Supported(ctx context.Context, k string) (bool, error) {
resourceType, name, ok := key.Decode(k)
if !ok {
return false, errors.New("invalid key")
}
fs, exist := resourceTypes[resourceType]
if !exist {
return false, nil
}
res, err := fs(ctx)
if err != nil {
return false, err
}
supported, err := res.Supported(ctx, name)
if err != nil {
return false, err
}
if !supported {
return false, nil
}
return supported, nil
}
// Exec resource by key.
func Exec(ctx context.Context, k string, opts types.ExecOptions) error {
supported, err := Supported(ctx, k)
if err != nil {
return err
}
if !supported {
return errors.New("unsupported resource type")
}
resourceType, name, ok := key.Decode(k)
if !ok {
return errors.New("invalid key")
}
fs := resourceTypes[resourceType]
res, err := fs(ctx)
if err != nil {
return err
}
err = res.Exec(ctx, name, opts)
if err != nil {
log.Warnf("error exec resource %s/%s: %v", resourceType, name, err)
}
return err
}