open-nomad/jobspec2/functions.go
Seth Hoenig b3ea68948b build: run gofmt on all go source files
Go 1.19 will forecefully format all your doc strings. To get this
out of the way, here is one big commit with all the changes gofmt
wants to make.
2022-08-16 11:14:11 -05:00

134 lines
4.9 KiB
Go

package jobspec2
import (
"fmt"
"github.com/hashicorp/go-cty-funcs/cidr"
"github.com/hashicorp/go-cty-funcs/crypto"
"github.com/hashicorp/go-cty-funcs/encoding"
"github.com/hashicorp/go-cty-funcs/filesystem"
"github.com/hashicorp/go-cty-funcs/uuid"
"github.com/hashicorp/hcl/v2/ext/tryfunc"
"github.com/hashicorp/hcl/v2/ext/typeexpr"
ctyyaml "github.com/zclconf/go-cty-yaml"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
"github.com/zclconf/go-cty/cty/function/stdlib"
)
// Functions returns the set of functions that should be used to when
// evaluating expressions in the receiving scope.
//
// basedir is used with file functions and allows a user to reference a file
// using local path. Usually basedir is the directory in which the config file
// is located
func Functions(basedir string, allowFS bool) map[string]function.Function {
funcs := map[string]function.Function{
"abs": stdlib.AbsoluteFunc,
"base64decode": encoding.Base64DecodeFunc,
"base64encode": encoding.Base64EncodeFunc,
"bcrypt": crypto.BcryptFunc,
"can": tryfunc.CanFunc,
"ceil": stdlib.CeilFunc,
"chomp": stdlib.ChompFunc,
"chunklist": stdlib.ChunklistFunc,
"cidrhost": cidr.HostFunc,
"cidrnetmask": cidr.NetmaskFunc,
"cidrsubnet": cidr.SubnetFunc,
"cidrsubnets": cidr.SubnetsFunc,
"coalesce": stdlib.CoalesceFunc,
"coalescelist": stdlib.CoalesceListFunc,
"compact": stdlib.CompactFunc,
"concat": stdlib.ConcatFunc,
"contains": stdlib.ContainsFunc,
"convert": typeexpr.ConvertFunc,
"csvdecode": stdlib.CSVDecodeFunc,
"distinct": stdlib.DistinctFunc,
"element": stdlib.ElementFunc,
"flatten": stdlib.FlattenFunc,
"floor": stdlib.FloorFunc,
"format": stdlib.FormatFunc,
"formatdate": stdlib.FormatDateFunc,
"formatlist": stdlib.FormatListFunc,
"indent": stdlib.IndentFunc,
"index": stdlib.IndexFunc,
"join": stdlib.JoinFunc,
"jsondecode": stdlib.JSONDecodeFunc,
"jsonencode": stdlib.JSONEncodeFunc,
"keys": stdlib.KeysFunc,
"length": stdlib.LengthFunc,
"log": stdlib.LogFunc,
"lookup": stdlib.LookupFunc,
"lower": stdlib.LowerFunc,
"max": stdlib.MaxFunc,
"md5": crypto.Md5Func,
"merge": stdlib.MergeFunc,
"min": stdlib.MinFunc,
"parseint": stdlib.ParseIntFunc,
"pow": stdlib.PowFunc,
"range": stdlib.RangeFunc,
"reverse": stdlib.ReverseFunc,
"replace": stdlib.ReplaceFunc,
"regex_replace": stdlib.RegexReplaceFunc,
"rsadecrypt": crypto.RsaDecryptFunc,
"setintersection": stdlib.SetIntersectionFunc,
"setproduct": stdlib.SetProductFunc,
"setunion": stdlib.SetUnionFunc,
"sha1": crypto.Sha1Func,
"sha256": crypto.Sha256Func,
"sha512": crypto.Sha512Func,
"signum": stdlib.SignumFunc,
"slice": stdlib.SliceFunc,
"sort": stdlib.SortFunc,
"split": stdlib.SplitFunc,
"strrev": stdlib.ReverseFunc,
"substr": stdlib.SubstrFunc,
"timeadd": stdlib.TimeAddFunc,
"title": stdlib.TitleFunc,
"trim": stdlib.TrimFunc,
"trimprefix": stdlib.TrimPrefixFunc,
"trimspace": stdlib.TrimSpaceFunc,
"trimsuffix": stdlib.TrimSuffixFunc,
"try": tryfunc.TryFunc,
"upper": stdlib.UpperFunc,
"urlencode": encoding.URLEncodeFunc,
"uuidv4": uuid.V4Func,
"uuidv5": uuid.V5Func,
"values": stdlib.ValuesFunc,
"yamldecode": ctyyaml.YAMLDecodeFunc,
"yamlencode": ctyyaml.YAMLEncodeFunc,
"zipmap": stdlib.ZipmapFunc,
// filesystem calls
"abspath": guardFS(allowFS, filesystem.AbsPathFunc),
"basename": guardFS(allowFS, filesystem.BasenameFunc),
"dirname": guardFS(allowFS, filesystem.DirnameFunc),
"file": guardFS(allowFS, filesystem.MakeFileFunc(basedir, false)),
"filebase64": guardFS(allowFS, filesystem.MakeFileFunc(basedir, true)),
"fileexists": guardFS(allowFS, filesystem.MakeFileExistsFunc(basedir)),
"fileset": guardFS(allowFS, filesystem.MakeFileSetFunc(basedir)),
"pathexpand": guardFS(allowFS, filesystem.PathExpandFunc),
}
return funcs
}
func guardFS(allowFS bool, fn function.Function) function.Function {
if allowFS {
return fn
}
spec := &function.Spec{
Params: fn.Params(),
VarParam: fn.VarParam(),
Type: func([]cty.Value) (cty.Type, error) {
return cty.DynamicPseudoType, fmt.Errorf("filesystem function disabled")
},
Impl: func([]cty.Value, cty.Type) (cty.Value, error) {
return cty.DynamicVal, fmt.Errorf("filesystem functions disabled")
},
}
return function.New(spec)
}