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package terraform
import (
"fmt"
)
// contextComponentFactory is the interface that Context uses
// to initialize various components such as providers and provisioners.
// This factory gets more information than the raw maps using to initialize
// a Context. This information is used for debugging.
type contextComponentFactory interface {
// ResourceProvider creates a new ResourceProvider with the given
// type. The "uid" is a unique identifier for this provider being
// initialized that can be used for internal tracking.
ResourceProvider(typ, uid string) (ResourceProvider, error)
ResourceProviders() []string
// ResourceProvisioner creates a new ResourceProvisioner with the
// given type. The "uid" is a unique identifier for this provisioner
// being initialized that can be used for internal tracking.
ResourceProvisioner(typ, uid string) (ResourceProvisioner, error)
ResourceProvisioners() []string
}
// basicComponentFactory just calls a factory from a map directly.
type basicComponentFactory struct {
providers map[string]ResourceProviderFactory
provisioners map[string]ResourceProvisionerFactory
}
func (c *basicComponentFactory) ResourceProviders() []string {
result := make([]string, len(c.providers))
for k, _ := range c.providers {
result = append(result, k)
}
return result
}
func (c *basicComponentFactory) ResourceProvisioners() []string {
result := make([]string, len(c.provisioners))
for k, _ := range c.provisioners {
result = append(result, k)
}
return result
}
func (c *basicComponentFactory) ResourceProvider(typ, uid string) (ResourceProvider, error) {
f, ok := c.providers[typ]
if !ok {
return nil, fmt.Errorf("unknown provider %q", typ)
}
return f()
}
func (c *basicComponentFactory) ResourceProvisioner(typ, uid string) (ResourceProvisioner, error) {
f, ok := c.provisioners[typ]
if !ok {
return nil, fmt.Errorf("unknown provisioner %q", typ)
}
return f()
}
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