celenv

Documentation

Overview

Package celenv provides standard CEL environments to evaluate CEL expressions.

Index

• Variables

Variables

var DiskLocator = sync.OnceValue(func() *cel.Env {
	var diskSpec block.DiskSpec

	env, err := cel.NewEnv(
		slices.Concat(
			[]cel.EnvOption{
				cel.Types(&diskSpec),
				cel.Variable("disk", cel.ObjectType(string(diskSpec.ProtoReflect().Descriptor().FullName()))),
				cel.Variable("system_disk", types.BoolType),
				cel.Function("glob",
					cel.Overload("glob_string_string", []*cel.Type{cel.StringType, cel.StringType}, cel.BoolType,
						cel.BinaryBinding(func(arg1, arg2 ref.Val) ref.Val {
							return types.Bool(glob.Glob(string(arg1.(types.String)), string(arg2.(types.String))))
						}),
					),
				),
			},
			celUnitMultipliersConstants(),
		)...,
	)
	if err != nil {
		panic(err)
	}

	return env
})

DiskLocator is a disk locator CEL environment.

var Empty = sync.OnceValue(func() *cel.Env {
	env, err := cel.NewEnv()
	if err != nil {
		panic(err)
	}

	return env
})

Empty is an empty CEL environment.

var VolumeLocator = sync.OnceValue(func() *cel.Env {
	var volumeSpec block.DiscoveredVolumeSpec

	env, err := cel.NewEnv(
		slices.Concat(
			[]cel.EnvOption{
				cel.Types(&volumeSpec),
				cel.Variable("volume", cel.ObjectType(string(volumeSpec.ProtoReflect().Descriptor().FullName()))),
			},
			celUnitMultipliersConstants(),
		)...,
	)
	if err != nil {
		panic(err)
	}

	return env
})

VolumeLocator is a volume locator CEL environment.