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# utils

``` go
import "katenary/utils"
```

Utils package provides some utility functions used in katenary. It
defines some constants and functions used in the whole project.

## Constants

Icons used in katenary.

``` go
const (
    IconSuccess    Icon = "✅"
    IconFailure         = "❌"
    IconWarning         = "⚠️'"
    IconNote            = "📝"
    IconWorld           = "🌐"
    IconPlug            = "🔌"
    IconPackage         = "📦"
    IconCabinet         = "🗄️"
    IconInfo            = "❕"
    IconSecret          = "🔒"
    IconConfig          = "🔧"
    IconDependency      = "🔗"
)
```

## func CountStartingSpaces

``` go
func CountStartingSpaces(line string) int
```

CountStartingSpaces counts the number of spaces at the beginning of a
string.

## func GetContainerByName

``` go
func GetContainerByName(name string, containers []corev1.Container) (*corev1.Container, int)
```

GetContainerByName returns a container by name and its index in the
array. It returns nil, -1 if not found.

## func GetKind

``` go
func GetKind(path string) (kind string)
```

GetKind returns the kind of the resource from the file path.

## func GetServiceNameByPort

``` go
func GetServiceNameByPort(port int) string
```

GetServiceNameByPort returns the service name for a port. It the service
name is not found, it returns an empty string.

## func GetValuesFromLabel

``` go
func GetValuesFromLabel(service types.ServiceConfig, LabelValues string) map[string]*EnvConfig
```

GetValuesFromLabel returns a map of values from a label.

## func HashComposefiles

``` go
func HashComposefiles(files []string) (string, error)
```

HashComposefiles returns a hash of the compose files.

## func Int32Ptr

``` go
func Int32Ptr(i int32) *int32
```

Int32Ptr returns a pointer to an int32.

## func MapKeys

``` go
func MapKeys(m map[string]interface{}) []string
```

## func PathToName

``` go
func PathToName(path string) string
```

PathToName converts a path to a kubernetes complient name.

## func StrPtr

``` go
func StrPtr(s string) *string
```

StrPtr returns a pointer to a string.

## func TplName

``` go
func TplName(serviceName, appname string, suffix ...string) string
```

TplName returns the name of the kubernetes resource as a template
string. It is used in the templates and defined in \_helper.tpl file.

## func TplValue

``` go
func TplValue(serviceName, variable string, pipes ...string) string
```

GetContainerByName returns a container by name and its index in the
array.

## func Warn

``` go
func Warn(msg ...interface{})
```

Warn prints a warning message

## func WordWrap

``` go
func WordWrap(text string, lineWidth int) string
```

WordWrap wraps a string to a given line width. Warning: it may break the
string. You need to check the result.

## func Wrap

``` go
func Wrap(src, above, below string) string
```

Wrap wraps a string with a string above and below. It will respect the
indentation of the src string.

## func WrapBytes

``` go
func WrapBytes(src, above, below []byte) []byte
```

WrapBytes wraps a byte array with a byte array above and below. It will
respect the indentation of the src string.

## type EnvConfig

EnvConfig is a struct to hold the description of an environment
variable.

``` go
type EnvConfig struct {
    Description string
    Service     types.ServiceConfig
}
```

## type Icon

Icon is a unicode icon

``` go
type Icon string
```

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