modules

package
v1.5.3 Latest Latest
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 Go to latest Published: Nov 12, 2024 License: Apache-2.0 Imports: 34 Imported by: 10

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Functions

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Types

type BasicModule 

type BasicModule struct {
	// required
	Name string
	// required
	Order uint32
	// required
	Path string
	// contains filtered or unexported fields
}

BasicModule is a basic representation of the Module, which addon-operator works with any Module has the next parameters:

  • name of the module
  • order of the module execution
  • path of the module on a filesystem
  • values storage - config and calculated values for the module
  • hooks of the module
  • current module state

func NewBasicModule 

func NewBasicModule(name, path string, order uint32, staticValues utils.Values, configBytes, valuesBytes []byte, logger *log.Logger) (*BasicModule, error)

NewBasicModule creates new BasicModule staticValues - are values from modules/values.yaml and /modules/<module-name>/values.yaml, they could not be changed during the runtime

func (*BasicModule) ApplyNewSchemaStorage added in v1.4.0 

func (bm *BasicModule) ApplyNewSchemaStorage(schema *validation.SchemaStorage) error

ApplyNewSchemaStorage updates schema storage of the basic module

func (*BasicModule) CRDExist added in v1.5.0 

func (bm *BasicModule) CRDExist() bool

func (*BasicModule) DeregisterHooks 

func (bm *BasicModule) DeregisterHooks()

DeregisterHooks clean up all module hooks

func (*BasicModule) GenerateNewConfigValues 

func (bm *BasicModule) GenerateNewConfigValues(kubeConfigValues utils.Values, validate bool) (utils.Values, error)

func (*BasicModule) GetCRDFilesPaths added in v1.5.0 

func (bm *BasicModule) GetCRDFilesPaths() []string

func (*BasicModule) GetConfigValues 

func (bm *BasicModule) GetConfigValues(withPrefix bool) utils.Values

func (*BasicModule) GetEnabledScriptResult added in v1.3.10 

func (bm *BasicModule) GetEnabledScriptResult() *bool

GetEnabledScriptResult returns a bool pointer to the enabled script results

func (*BasicModule) GetHookByName 

func (bm *BasicModule) GetHookByName(name string) *hooks.ModuleHook

GetHookByName returns hook by its name

func (*BasicModule) GetHookErrorsSummary added in v1.3.10 

func (bm *BasicModule) GetHookErrorsSummary() string

GetHookErrorsSummary get hooks errors summary report

func (*BasicModule) GetHooks 

func (bm *BasicModule) GetHooks(bt ...sh_op_types.BindingType) []*hooks.ModuleHook

GetHooks returns module hooks, they could be filtered by BindingType optionally

func (*BasicModule) GetLastHookError 

func (bm *BasicModule) GetLastHookError() error

GetLastHookError get error of the last executed hook

func (*BasicModule) GetModuleError 

func (bm *BasicModule) GetModuleError() error

func (*BasicModule) GetName 

func (bm *BasicModule) GetName() string

GetName returns the module name

func (*BasicModule) GetOrder 

func (bm *BasicModule) GetOrder() uint32

GetOrder returns the module order

func (*BasicModule) GetPath 

func (bm *BasicModule) GetPath() string

GetPath returns the module path on a filesystem

func (*BasicModule) GetPhase 

func (bm *BasicModule) GetPhase() ModuleRunPhase

GetPhase ...

func (*BasicModule) GetSchemaStorage added in v1.3.13 

func (bm *BasicModule) GetSchemaStorage() *validation.SchemaStorage

GetSchemaStorage returns current schema storage of the basic module

func (*BasicModule) GetValues 

func (bm *BasicModule) GetValues(withPrefix bool) utils.Values

func (*BasicModule) GetValuesPatches 

func (bm *BasicModule) GetValuesPatches() []utils.ValuesPatch

GetValuesPatches returns patches for debug output

func (*BasicModule) GetValuesStorage added in v1.3.13 

func (bm *BasicModule) GetValuesStorage() *ValuesStorage

func (*BasicModule) HasKubernetesHooks 

func (bm *BasicModule) HasKubernetesHooks() bool

HasKubernetesHooks is true if module has at least one kubernetes hook.

func (*BasicModule) HooksControllersReady added in v1.3.9 

func (bm *BasicModule) HooksControllersReady() bool

HooksControllersReady returns controllersReady status of the hook storage

func (*BasicModule) RegisterHooks 

func (bm *BasicModule) RegisterHooks(logger *log.Logger) ([]*hooks.ModuleHook, error)

RegisterHooks find and registers all module hooks from a filesystem or GoHook Registry

func (*BasicModule) ResetState 

func (bm *BasicModule) ResetState()

ResetState drops the module state

func (*BasicModule) RunEnabledScript 

func (bm *BasicModule) RunEnabledScript(tmpDir string, precedingEnabledModules []string, logLabels map[string]string) (bool, error)

RunEnabledScript execute enabled script

func (*BasicModule) RunHookByName 

func (bm *BasicModule) RunHookByName(hookName string, binding sh_op_types.BindingType, bindingContext []binding_context.BindingContext, logLabels map[string]string) (string, string, error)

RunHookByName runs some specified hook by its name

func (*BasicModule) RunHooksByBinding 

func (bm *BasicModule) RunHooksByBinding(binding sh_op_types.BindingType, logLabels map[string]string) error

RunHooksByBinding gets all hooks for binding, for each hook it creates a BindingContext, sets KubernetesSnapshots and runs the hook.

func (*BasicModule) SaveConfigValues 

func (bm *BasicModule) SaveConfigValues(configV utils.Values)

func (*BasicModule) SaveHookError 

func (bm *BasicModule) SaveHookError(hookName string, err error)

SaveHookError ...

func (*BasicModule) SetError 

func (bm *BasicModule) SetError(err error)

SetError ...

func (*BasicModule) SetHooksControllersReady added in v1.3.9 

func (bm *BasicModule) SetHooksControllersReady()

SetHooksControllersReady sets controllersReady status of the hook storage to true

func (*BasicModule) SetPhase 

func (bm *BasicModule) SetPhase(phase ModuleRunPhase)

SetPhase ...

func (*BasicModule) SetStateEnabled 

func (bm *BasicModule) SetStateEnabled(e bool)

SetStateEnabled ...

func (*BasicModule) Synchronization 

func (bm *BasicModule) Synchronization() *SynchronizationState

Synchronization xxx TODO: don't like this honestly, i think we can remake it

func (*BasicModule) SynchronizationNeeded 

func (bm *BasicModule) SynchronizationNeeded() bool

SynchronizationNeeded is true if module has at least one kubernetes hook with executeHookOnSynchronization. TODO: dont skip

func (*BasicModule) Validate added in v1.3.13 

func (bm *BasicModule) Validate() error

func (*BasicModule) ValidateConfigValues added in v1.3.13 

func (bm *BasicModule) ValidateConfigValues() error

func (*BasicModule) ValidateValues added in v1.3.13 

func (bm *BasicModule) ValidateValues() error

func (*BasicModule) WithDependencies 

func (bm *BasicModule) WithDependencies(dep *hooks.HookExecutionDependencyContainer)

WithDependencies inject module dependencies

type EnabledPatchReport 

type EnabledPatchReport struct {
	Patch utils.ValuesPatch
	Done  chan error
}

type GlobalModule 

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

GlobalModule is an ephemeral container for global hooks

func NewGlobalModule 

func NewGlobalModule(hooksDir string, staticValues utils.Values, dc *hooks.HookExecutionDependencyContainer,
	configBytes, valuesBytes []byte, logger *log.Logger,
) (*GlobalModule, error)

NewGlobalModule build ephemeral global container for global hooks and values

func (*GlobalModule) EnabledReportChannel 

func (gm *GlobalModule) EnabledReportChannel() chan *EnabledPatchReport

EnabledReportChannel returns channel with dynamic modules enabling by global hooks

func (*GlobalModule) GenerateNewConfigValues 

func (gm *GlobalModule) GenerateNewConfigValues(kubeConfigValues utils.Values, validate bool) (utils.Values, error)

func (*GlobalModule) GetConfigValues 

func (gm *GlobalModule) GetConfigValues(withPrefix bool) utils.Values

func (*GlobalModule) GetHookByName 

func (gm *GlobalModule) GetHookByName(name string) *hooks.GlobalHook

GetHookByName ...

func (*GlobalModule) GetHooks 

func (gm *GlobalModule) GetHooks(bt ...sh_op_types.BindingType) []*hooks.GlobalHook

GetHooks returns module hooks, they could be filtered by BindingType optionally

func (*GlobalModule) GetName 

func (gm *GlobalModule) GetName() string

GetName ...

func (*GlobalModule) GetSchemaStorage added in v1.3.13 

func (gm *GlobalModule) GetSchemaStorage() *validation.SchemaStorage

func (*GlobalModule) GetValues 

func (gm *GlobalModule) GetValues(withPrefix bool) utils.Values

func (*GlobalModule) GetValuesPatches 

func (gm *GlobalModule) GetValuesPatches() []utils.ValuesPatch

func (*GlobalModule) RegisterHooks 

func (gm *GlobalModule) RegisterHooks() ([]*hooks.GlobalHook, error)

RegisterHooks finds and registers global hooks

func (*GlobalModule) RunHookByName 

func (gm *GlobalModule) RunHookByName(hookName string, binding sh_op_types.BindingType, bindingContext []binding_context.BindingContext, logLabels map[string]string) (string, string, error)

RunHookByName runs some specified hook by its name

func (*GlobalModule) SaveConfigValues 

func (gm *GlobalModule) SaveConfigValues(configV utils.Values)

func (*GlobalModule) SetAvailableAPIVersions added in v1.5.0 

func (gm *GlobalModule) SetAvailableAPIVersions(apiVersions []string)

SetAvailableAPIVersions injects GVK values, discovered during executing ModuleEnsureCRDs tasks, into .global.discovery.apiVersions values

func (*GlobalModule) SetEnabledModules added in v1.3.5 

func (gm *GlobalModule) SetEnabledModules(enabledModules []string)

SetEnabledModules inject enabledModules to the global values enabledModules are injected as a patch, to recalculate on every global values change

type HelmModule 

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

HelmModule representation of the module, which has Helm Chart and could be installed with the helm lib

func NewHelmModule 

func NewHelmModule(bm *BasicModule, tmpDir string, deps *HelmModuleDependencies, validator HelmValuesValidator, logger *log.Logger) (*HelmModule, error)

NewHelmModule build HelmModule from the Module templates and values + global values

func (*HelmModule) PrepareValuesYamlFile 

func (hm *HelmModule) PrepareValuesYamlFile() (string, error)

func (*HelmModule) Render 

func (hm *HelmModule) Render(namespace string, debug bool) (string, error)

func (*HelmModule) RunHelmInstall 

func (hm *HelmModule) RunHelmInstall(logLabels map[string]string) error

type HelmModuleDependencies 

type HelmModuleDependencies struct {
	HelmClientFactory   *helm.ClientFactory
	HelmResourceManager HelmResourceManager
	MetricsStorage      MetricsStorage
	HelmValuesValidator HelmValuesValidator
}

type HelmResourceManager 

type HelmResourceManager interface {
	GetAbsentResources(manifests []manifest.Manifest, defaultNamespace string) ([]manifest.Manifest, error)
	StartMonitor(moduleName string, manifests []manifest.Manifest, defaultNamespace string, LastReleaseStatus func(releaseName string) (revision string, status string, err error))
	HasMonitor(moduleName string) bool
}

type HelmValuesValidator 

type HelmValuesValidator interface {
	ValidateModuleHelmValues(string, utils.Values) error
}

type HooksStorage 

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

HooksStorage keep module hooks in order

func (*HooksStorage) AddHook 

func (hs *HooksStorage) AddHook(hk *hooks.ModuleHook)

type MetricsStorage 

type MetricsStorage interface {
	HistogramObserve(metric string, value float64, labels map[string]string, buckets []float64)
}

type ModuleRunPhase 

type ModuleRunPhase string
const (
	// Startup - module is just enabled.
	Startup ModuleRunPhase = "Startup"
	// OnStartupDone - onStartup hooks are done.
	OnStartupDone ModuleRunPhase = "OnStartupDone"
	// QueueSynchronizationTasks - should queue Synchronization tasks.
	QueueSynchronizationTasks ModuleRunPhase = "QueueSynchronizationTasks"
	// WaitForSynchronization - some Synchronization tasks are in queues, should wait for them to finish.
	WaitForSynchronization ModuleRunPhase = "WaitForSynchronization"
	// EnableScheduleBindings - enable schedule binding after Synchronization.
	EnableScheduleBindings ModuleRunPhase = "EnableScheduleBindings"
	// CanRunHelm - module is ready to run its Helm chart.
	CanRunHelm ModuleRunPhase = "CanRunHelm"
	// HooksDisabled - module has its hooks disabled (before update or deletion).
	HooksDisabled ModuleRunPhase = "HooksDisabled"
)

type SynchronizationState 

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

SynchronizationState stores state to track synchronization tasks for kubernetes bindings either for all global hooks or for module's hooks.

func NewSynchronizationState 

func NewSynchronizationState() *SynchronizationState

func (*SynchronizationState) DebugDumpState 

func (s *SynchronizationState) DebugDumpState(logEntry *log.Logger)

func (*SynchronizationState) DoneForBinding 

func (s *SynchronizationState) DoneForBinding(id string)

func (*SynchronizationState) HasQueued 

func (s *SynchronizationState) HasQueued() bool

func (*SynchronizationState) IsCompleted added in v1.5.0 

func (s *SynchronizationState) IsCompleted() bool

IsCompleted returns true if all states are in done status.

func (*SynchronizationState) QueuedForBinding 

func (s *SynchronizationState) QueuedForBinding(metadata task.HookMetadata)

type ValuesStorage 

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

ValuesStorage keeps Module's values in order

func NewValuesStorage 

func NewValuesStorage(moduleName string, staticValues utils.Values, configBytes, valuesBytes []byte) (*ValuesStorage, error)

NewValuesStorage build a new storage for module values 

staticValues - values from /modules/<module-name>/values.yaml, which couldn't be reloaded during the runtime

func (*ValuesStorage) CommitValues 

func (vs *ValuesStorage) CommitValues() error

CommitValues apply all patches and create up-to-date values for module

func (*ValuesStorage) GenerateNewConfigValues 

func (vs *ValuesStorage) GenerateNewConfigValues(configV utils.Values, validate bool) (utils.Values, error)

GenerateNewConfigValues generated new config values, based on static and config values. Additionally, if validate is true, it validates the resulting values set for consistency. This method always makes a copy of the result values to prevent pointers shallow copying

func (*ValuesStorage) GetConfigValues 

func (vs *ValuesStorage) GetConfigValues(withPrefix bool) utils.Values

GetConfigValues returns only user defined values

func (*ValuesStorage) GetSchemaStorage added in v1.3.13 

func (vs *ValuesStorage) GetSchemaStorage() *validation.SchemaStorage

func (*ValuesStorage) GetValues 

func (vs *ValuesStorage) GetValues(withPrefix bool) utils.Values

GetValues return current values with applied patches withPrefix means, that values will be returned with module name prefix example:

without prefix: 

```yaml
replicas: 1
foo:
  bar: hello-world
```

with prefix: 

```yaml
mySuperModule:
	replicas: 1
	foo:
	  bar: hello-world
```

func (*ValuesStorage) SaveConfigValues 

func (vs *ValuesStorage) SaveConfigValues(configV utils.Values)

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