configstack

package
v0.68.8 Latest Latest
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 Go to latest Published: Nov 7, 2024 License: MIT Imports: 27 Imported by: 11

Documentation

Overview

Package configstack contains the logic for managing a stack of Terraform modules (i.e. folders with Terraform templates) that you can "spin up" or "spin down" in a single command.

Index

Constants

This section is empty.

Variables

View Source 
var ErrNoTerraformModulesFound = errors.New("could not find any subfolders with Terragrunt configuration files")

Functions

This section is empty.

Types

type DependencyCycleError added in v0.61.0 

type DependencyCycleError []string

func (DependencyCycleError) Error added in v0.61.0 

func (err DependencyCycleError) Error() string

type DependencyNotFoundWhileCrossLinkingError added in v0.61.0 

type DependencyNotFoundWhileCrossLinkingError struct {
	Module     *RunningModule
	Dependency *TerraformModule
}

func (DependencyNotFoundWhileCrossLinkingError) Error added in v0.61.0 

func (err DependencyNotFoundWhileCrossLinkingError) Error() string

type DependencyOrder 

type DependencyOrder int

DependencyOrder controls in what order dependencies should be enforced between modules. 

const (
	NormalOrder DependencyOrder = iota
	ReverseOrder
	IgnoreOrder
)

type ForceLogLevelHook added in v0.35.5 

type ForceLogLevelHook struct {
	// contains filtered or unexported fields
}

ForceLogLevelHook is a log hook which can change log level for messages which contains specific substrings

func NewForceLogLevelHook added in v0.35.5 

func NewForceLogLevelHook(forcedLevel log.Level) *ForceLogLevelHook

NewForceLogLevelHook creates default log reduction hook

func (*ForceLogLevelHook) Fire added in v0.35.5 

func (hook *ForceLogLevelHook) Fire(entry *logrus.Entry) error

Fire implements logrus.Hook.Fire()

func (*ForceLogLevelHook) Levels added in v0.35.5 

func (hook *ForceLogLevelHook) Levels() []logrus.Level

Levels implements logrus.Hook.Levels()

type InfiniteRecursionError added in v0.61.0 

type InfiniteRecursionError struct {
	RecursionLevel int
	Modules        map[string]*TerraformModule
}

func (InfiniteRecursionError) Error added in v0.61.0 

func (err InfiniteRecursionError) Error() string

type LogEntriesDropperFormatter added in v0.35.5 

type LogEntriesDropperFormatter struct {
	// contains filtered or unexported fields
}

LogEntriesDropperFormatter is a custom formatter which will ignore log entries which has lower level than preconfigured in logger

func (*LogEntriesDropperFormatter) Format added in v0.35.5 

func (formatter *LogEntriesDropperFormatter) Format(entry *logrus.Entry) ([]byte, error)

Format implements logrus.Formatter

type ModuleStatus 

type ModuleStatus int

ModuleStatus represents the status of a module that we are trying to apply as part of the apply-all or destroy-all command 

const (
	Waiting ModuleStatus = iota
	Running
	Finished
)

type ModuleWriter added in v0.68.2 

type ModuleWriter struct {
	// contains filtered or unexported fields
}

ModuleWriter represents a Writer with data buffering. We should avoid outputting data directly to the output out, since when modules run in parallel, the output data may be mixed with each other, thereby spoiling each other's results.

func NewModuleWriter added in v0.68.2 

func NewModuleWriter(out io.Writer) *ModuleWriter

NewModuleWriter returns a new ModuleWriter instance.

func (*ModuleWriter) Flush added in v0.68.2 

func (writer *ModuleWriter) Flush() error

Flush flushes buffer data to the `out` writer.

func (*ModuleWriter) Write added in v0.68.2 

func (writer *ModuleWriter) Write(p []byte) (int, error)

Write appends the contents of p to the buffer.

type Option added in v0.61.0 

type Option func(*Stack)

Option is type for passing options to the Stack.

func WithChildTerragruntConfig added in v0.61.0 

func WithChildTerragruntConfig(config *config.TerragruntConfig) Option

func WithParseOptions added in v0.61.0 

func WithParseOptions(parserOptions []hclparse.Option) Option

type ProcessingModuleDependencyError added in v0.61.0 

type ProcessingModuleDependencyError struct {
	Module     *TerraformModule
	Dependency *TerraformModule
	Err        error
}

func (ProcessingModuleDependencyError) Error added in v0.61.0 

func (err ProcessingModuleDependencyError) Error() string

func (ProcessingModuleDependencyError) ExitStatus added in v0.61.0 

func (err ProcessingModuleDependencyError) ExitStatus() (int, error)

func (ProcessingModuleDependencyError) Unwrap added in v0.61.0 

func (err ProcessingModuleDependencyError) Unwrap() error

type ProcessingModuleError added in v0.61.0 

type ProcessingModuleError struct {
	UnderlyingError       error
	ModulePath            string
	HowThisModuleWasFound string
}

func (ProcessingModuleError) Error added in v0.61.0 

func (err ProcessingModuleError) Error() string

func (ProcessingModuleError) Unwrap added in v0.61.0 

func (err ProcessingModuleError) Unwrap() error

type RunningModule added in v0.66.7 

type RunningModule struct {
	Module         *TerraformModule
	Status         ModuleStatus
	Err            error
	DependencyDone chan *RunningModule
	Dependencies   map[string]*RunningModule
	NotifyWhenDone []*RunningModule
	FlagExcluded   bool
}

RunningModule represents a module we are trying to "run" (i.e. apply or destroy) as part of the apply-all or destroy-all command.

type RunningModules added in v0.66.7 

type RunningModules map[string]*RunningModule

func (RunningModules) RemoveFlagExcluded added in v0.66.7 

func (modules RunningModules) RemoveFlagExcluded() map[string]*RunningModule

RemoveFlagExcluded returns a cleaned-up map that only contains modules and dependencies that should not be excluded

type Stack 

type Stack struct {
	Modules TerraformModules
	// contains filtered or unexported fields
}

Stack represents a stack of Terraform modules (i.e. folders with Terraform templates) that you can "spin up" or "spin down" in a single command

func FindStackInSubfolders 

func FindStackInSubfolders(ctx context.Context, terragruntOptions *options.TerragruntOptions, opts ...Option) (*Stack, error)

FindStackInSubfolders finds all the Terraform modules in the subfolders of the working directory of the given TerragruntOptions and assemble them into a Stack object that can be applied or destroyed in a single command

func NewStack added in v0.61.0 

func NewStack(terragruntOptions *options.TerragruntOptions, opts ...Option) *Stack

func (*Stack) GetModuleRunGraph added in v0.66.7 

func (stack *Stack) GetModuleRunGraph(terraformCommand string) ([]TerraformModules, error)

GetModuleRunGraph converts the module list to a graph that shows the order in which the modules will be applied/destroyed. The return structure is a list of lists, where the nested list represents modules that can be deployed concurrently, and the outer list indicates the order. This will only include those modules that do NOT have the exclude flag set.

func (*Stack) Graph added in v0.23.7 

func (stack *Stack) Graph(terragruntOptions *options.TerragruntOptions)

Graph creates a graphviz representation of the modules

func (*Stack) JSONModuleDeployOrder added in v0.67.7 

func (stack *Stack) JSONModuleDeployOrder(terraformCommand string) (string, error)

JSONModuleDeployOrder will return the modules that will be deployed by a plan/apply operation, in the order that the operations happen.

func (*Stack) ListStackDependentModules added in v0.61.0 

func (stack *Stack) ListStackDependentModules() map[string][]string

ListStackDependentModules - build a map with each module and its dependent modules

func (*Stack) LogModuleDeployOrder added in v0.35.4 

func (stack *Stack) LogModuleDeployOrder(logger log.Logger, terraformCommand string) error

LogModuleDeployOrder will log the modules that will be deployed by this operation, in the order that the operations happen. For plan and apply, the order will be bottom to top (dependencies first), while for destroy the order will be in reverse.

func (*Stack) ResolveTerraformModules added in v0.61.0 

func (stack *Stack) ResolveTerraformModules(ctx context.Context, terragruntConfigPaths []string) (TerraformModules, error)

ResolveTerraformModules goes through each of the given Terragrunt configuration files and resolve the module that configuration file represents into a TerraformModule struct. Return the list of these TerraformModule structs.

func (*Stack) Run added in v0.28.1 

func (stack *Stack) Run(ctx context.Context, terragruntOptions *options.TerragruntOptions) error

func (*Stack) String 

func (stack *Stack) String() string

String renders this stack as a human-readable string

func (*Stack) WithOptions added in v0.61.0 

func (stack *Stack) WithOptions(opts ...Option) *Stack

type TerraformModule 

type TerraformModule struct {
	*Stack
	Path                 string
	Dependencies         TerraformModules
	Config               config.TerragruntConfig
	TerragruntOptions    *options.TerragruntOptions
	AssumeAlreadyApplied bool
	FlagExcluded         bool
}

TerraformModule represents a single module (i.e. folder with Terraform templates), including the Terragrunt configuration for that module and the list of other modules that this module depends on

func (*TerraformModule) FlushOutput added in v0.68.2 

func (module *TerraformModule) FlushOutput() error

FlushOutput flushes buffer data to the output writer.

func (*TerraformModule) MarshalJSON added in v0.48.5 

func (module *TerraformModule) MarshalJSON() ([]byte, error)

func (*TerraformModule) String 

func (module *TerraformModule) String() string

String renders this module as a human-readable string

type TerraformModules added in v0.61.0 

type TerraformModules []*TerraformModule

func FindWhereWorkingDirIsIncluded added in v0.33.0 

func FindWhereWorkingDirIsIncluded(ctx context.Context, terragruntOptions *options.TerragruntOptions, terragruntConfig *config.TerragruntConfig) TerraformModules

FindWhereWorkingDirIsIncluded - find where working directory is included, flow: 1. Find root git top level directory and build list of modules 2. Iterate over includes from terragruntOptions if git top level directory detection failed 3. Filter found module only items which has in dependencies working directory

func (TerraformModules) CheckForCycles added in v0.61.0 

func (modules TerraformModules) CheckForCycles() error

CheckForCycles checks for dependency cycles in the given list of modules and return an error if one is found.

func (TerraformModules) RunModules added in v0.61.0 

func (modules TerraformModules) RunModules(ctx context.Context, opts *options.TerragruntOptions, parallelism int) error

RunModules runs the given map of module path to runningModule. To "run" a module, execute the RunTerragrunt command in its TerragruntOptions object. The modules will be executed in an order determined by their inter-dependencies, using as much concurrency as possible.

func (TerraformModules) RunModulesIgnoreOrder added in v0.61.0 

func (modules TerraformModules) RunModulesIgnoreOrder(ctx context.Context, opts *options.TerragruntOptions, parallelism int) error

RunModulesIgnoreOrder runs the given map of module path to runningModule. To "run" a module, execute the RunTerragrunt command in its TerragruntOptions object. The modules will be executed without caring for inter-dependencies.

func (TerraformModules) RunModulesReverseOrder added in v0.61.0 

func (modules TerraformModules) RunModulesReverseOrder(ctx context.Context, opts *options.TerragruntOptions, parallelism int) error

RunModulesReverseOrder runs the given map of module path to runningModule. To "run" a module, execute the RunTerragrunt command in its TerragruntOptions object. The modules will be executed in the reverse order of their inter-dependencies, using as much concurrency as possible.

func (TerraformModules) ToRunningModules added in v0.66.7 

func (modules TerraformModules) ToRunningModules(dependencyOrder DependencyOrder) (RunningModules, error)

ToRunningModules converts the list of modules to a map from module path to a runningModule struct. This struct contains information about executing the module, such as whether it has finished running or not and any errors that happened. Note that this does NOT actually run the module. For that, see the RunModules method.

func (TerraformModules) WriteDot added in v0.61.0 

func (modules TerraformModules) WriteDot(w io.Writer, terragruntOptions *options.TerragruntOptions) error

WriteDot is used to emit a GraphViz compatible definition for a directed graph. It can be used to dump a .dot file. This is a similar implementation to terraform's digraph https://github.com/hashicorp/terraform/blob/master/digraph/graphviz.go adding some styling to modules that are excluded from the execution in *-all commands

type TerraformModulesMap added in v0.61.0 

type TerraformModulesMap map[string]*TerraformModule

type UnrecognizedDependencyError added in v0.61.0 

type UnrecognizedDependencyError struct {
	ModulePath            string
	DependencyPath        string
	TerragruntConfigPaths []string
}

func (UnrecognizedDependencyError) Error added in v0.61.0 

func (err UnrecognizedDependencyError) Error() string

Source Files

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