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e57a399d71
This changes the representation of maps in the interpolator from the
dotted flatmap form of a string variable named "var.variablename.key"
per map element to use native HIL maps instead.
This involves porting some of the interpolation functions in order to
keep the tests green, and adding support for map outputs.
There is one backwards incompatibility: as a result of an implementation
detail of maps, one could access an indexed map variable using the
syntax "${var.variablename.key}".
This is no longer possible - instead HIL native syntax -
"${var.variablename["key"]}" must be used. This was previously
documented, (though not heavily used) so it must be noted as a backward
compatibility issue for Terraform 0.7.
81 lines
2.9 KiB
Go
81 lines
2.9 KiB
Go
package terraform
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import (
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"sync"
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"github.com/hashicorp/terraform/config"
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)
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// EvalContext is the interface that is given to eval nodes to execute.
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type EvalContext interface {
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// Path is the current module path.
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Path() []string
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// Hook is used to call hook methods. The callback is called for each
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// hook and should return the hook action to take and the error.
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Hook(func(Hook) (HookAction, error)) error
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// Input is the UIInput object for interacting with the UI.
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Input() UIInput
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// InitProvider initializes the provider with the given name and
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// returns the implementation of the resource provider or an error.
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//
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// It is an error to initialize the same provider more than once.
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InitProvider(string) (ResourceProvider, error)
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// Provider gets the provider instance with the given name (already
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// initialized) or returns nil if the provider isn't initialized.
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Provider(string) ResourceProvider
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// CloseProvider closes provider connections that aren't needed anymore.
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CloseProvider(string) error
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// ConfigureProvider configures the provider with the given
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// configuration. This is a separate context call because this call
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// is used to store the provider configuration for inheritance lookups
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// with ParentProviderConfig().
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ConfigureProvider(string, *ResourceConfig) error
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SetProviderConfig(string, *ResourceConfig) error
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ParentProviderConfig(string) *ResourceConfig
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// ProviderInput and SetProviderInput are used to configure providers
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// from user input.
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ProviderInput(string) map[string]interface{}
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SetProviderInput(string, map[string]interface{})
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// InitProvisioner initializes the provisioner with the given name and
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// returns the implementation of the resource provisioner or an error.
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//
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// It is an error to initialize the same provisioner more than once.
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InitProvisioner(string) (ResourceProvisioner, error)
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// Provisioner gets the provisioner instance with the given name (already
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// initialized) or returns nil if the provisioner isn't initialized.
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Provisioner(string) ResourceProvisioner
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// CloseProvisioner closes provisioner connections that aren't needed
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// anymore.
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CloseProvisioner(string) error
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// Interpolate takes the given raw configuration and completes
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// the interpolations, returning the processed ResourceConfig.
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//
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// The resource argument is optional. If given, it is the resource
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// that is currently being acted upon.
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Interpolate(*config.RawConfig, *Resource) (*ResourceConfig, error)
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// SetVariables sets the variables for the module within
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// this context with the name n. This function call is additive:
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// the second parameter is merged with any previous call.
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SetVariables(string, map[string]interface{})
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// Diff returns the global diff as well as the lock that should
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// be used to modify that diff.
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Diff() (*Diff, *sync.RWMutex)
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// State returns the global state as well as the lock that should
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// be used to modify that state.
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State() (*State, *sync.RWMutex)
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}
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