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package terraform
import (
"github.com/hashicorp/terraform/configs"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/hashicorp/terraform/providers"
"github.com/hashicorp/terraform/provisioners"
"github.com/zclconf/go-cty/cty"
)
// NodeValidatableResource represents a resource that is used for validation
// only.
type NodeValidatableResource struct {
*NodeAbstractResource
}
var (
_ GraphNodeSubPath = (*NodeValidatableResource)(nil)
_ GraphNodeEvalable = (*NodeValidatableResource)(nil)
_ GraphNodeReferenceable = (*NodeValidatableResource)(nil)
_ GraphNodeReferencer = (*NodeValidatableResource)(nil)
_ GraphNodeResource = (*NodeValidatableResource)(nil)
_ GraphNodeAttachResourceConfig = (*NodeValidatableResource)(nil)
)
// GraphNodeEvalable
func (n *NodeValidatableResource) EvalTree() EvalNode {
addr := n.ResourceAddr()
config := n.Config
// Declare the variables will be used are used to pass values along
// the evaluation sequence below. These are written to via pointers
// passed to the EvalNodes.
var provider providers.Interface
var providerSchema *ProviderSchema
var configVal cty.Value
seq := &EvalSequence{
Nodes: []EvalNode{
&EvalGetProvider{
Addr: n.ResolvedProvider,
Output: &provider,
Schema: &providerSchema,
},
&EvalValidateResource{
Addr: addr.Resource,
Provider: &provider,
ProviderSchema: &providerSchema,
Config: config,
ConfigVal: &configVal,
},
},
}
if managed := n.Config.Managed; managed != nil {
hasCount := n.Config.Count != nil
// Validate all the provisioners
for _, p := range managed.Provisioners {
var provisioner provisioners.Interface
var provisionerSchema *configschema.Block
if p.Connection == nil {
p.Connection = config.Managed.Connection
} else if config.Managed.Connection != nil {
p.Connection.Config = configs.MergeBodies(config.Managed.Connection.Config, p.Connection.Config)
}
seq.Nodes = append(
seq.Nodes,
&EvalGetProvisioner{
Name: p.Type,
Output: &provisioner,
Schema: &provisionerSchema,
},
&EvalValidateProvisioner{
ResourceAddr: addr.Resource,
Provisioner: &provisioner,
Schema: &provisionerSchema,
Config: p,
ResourceHasCount: hasCount,
},
)
}
}
return seq
}
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