terraform/terraform/graph_config_node_provider.go

132 lines
3.3 KiB
Go

package terraform
import (
"fmt"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/dag"
"github.com/hashicorp/terraform/dot"
)
// GraphNodeConfigProvider represents a configured provider within the
// configuration graph. These are only immediately in the graph when an
// explicit `provider` configuration block is in the configuration.
type GraphNodeConfigProvider struct {
Provider *config.ProviderConfig
}
func (n *GraphNodeConfigProvider) Name() string {
return fmt.Sprintf("provider.%s", n.ProviderName())
}
func (n *GraphNodeConfigProvider) ConfigType() GraphNodeConfigType {
return GraphNodeConfigTypeProvider
}
func (n *GraphNodeConfigProvider) DependableName() []string {
return []string{n.Name()}
}
func (n *GraphNodeConfigProvider) DependentOn() []string {
vars := n.Provider.RawConfig.Variables
result := make([]string, 0, len(vars))
for _, v := range vars {
if vn := varNameForVar(v); vn != "" {
result = append(result, vn)
}
}
return result
}
// GraphNodeEvalable impl.
func (n *GraphNodeConfigProvider) EvalTree() EvalNode {
return ProviderEvalTree(n.ProviderName(), n.Provider.RawConfig)
}
// GraphNodeProvider implementation
func (n *GraphNodeConfigProvider) ProviderName() string {
if n.Provider.Alias == "" {
return n.Provider.Name
} else {
return fmt.Sprintf("%s.%s", n.Provider.Name, n.Provider.Alias)
}
}
// GraphNodeProvider implementation
func (n *GraphNodeConfigProvider) ProviderConfig() *config.RawConfig {
return n.Provider.RawConfig
}
// GraphNodeDotter impl.
func (n *GraphNodeConfigProvider) DotNode(name string, opts *GraphDotOpts) *dot.Node {
return dot.NewNode(name, map[string]string{
"label": n.Name(),
"shape": "diamond",
})
}
// GraphNodeDotterOrigin impl.
func (n *GraphNodeConfigProvider) DotOrigin() bool {
return true
}
// GraphNodeFlattenable impl.
func (n *GraphNodeConfigProvider) Flatten(p []string) (dag.Vertex, error) {
return &GraphNodeConfigProviderFlat{
GraphNodeConfigProvider: n,
PathValue: p,
}, nil
}
// Same as GraphNodeConfigProvider, but for flattening
type GraphNodeConfigProviderFlat struct {
*GraphNodeConfigProvider
PathValue []string
}
func (n *GraphNodeConfigProviderFlat) Name() string {
return fmt.Sprintf(
"%s.%s", modulePrefixStr(n.PathValue), n.GraphNodeConfigProvider.Name())
}
func (n *GraphNodeConfigProviderFlat) Path() []string {
return n.PathValue
}
func (n *GraphNodeConfigProviderFlat) DependableName() []string {
return modulePrefixList(
n.GraphNodeConfigProvider.DependableName(),
modulePrefixStr(n.PathValue))
}
func (n *GraphNodeConfigProviderFlat) DependentOn() []string {
prefixed := modulePrefixList(
n.GraphNodeConfigProvider.DependentOn(),
modulePrefixStr(n.PathValue))
result := make([]string, len(prefixed), len(prefixed)+1)
copy(result, prefixed)
// If we're in a module, then depend on our parent's provider
if len(n.PathValue) > 1 {
prefix := modulePrefixStr(n.PathValue[:len(n.PathValue)-1])
if prefix != "" {
prefix += "."
}
result = append(result, fmt.Sprintf(
"%s%s",
prefix, n.GraphNodeConfigProvider.Name()))
}
return result
}
func (n *GraphNodeConfigProviderFlat) ProviderName() string {
return fmt.Sprintf(
"%s.%s", modulePrefixStr(n.PathValue),
n.GraphNodeConfigProvider.ProviderName())
}