katenary/doc/docs/packages/utils.md

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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.

## func [CountStartingSpaces](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L31>)

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

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

<a name="GetContainerByName"></a>
## func [GetContainerByName](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L82>)

```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.

<a name="GetKind"></a>
## func [GetKind](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L44>)

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

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

<a name="GetServiceNameByPort"></a>
## func [GetServiceNameByPort](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L72>)

```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.

<a name="GetValuesFromLabel"></a>
## func [GetValuesFromLabel](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L122>)

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

GetValuesFromLabel returns a map of values from a label.

<a name="HashComposefiles"></a>
## func [HashComposefiles](<https://github.com/metal3d/katenary/blob/develop/utils/hash.go#L12>)

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

HashComposefiles returns a hash of the compose files.

<a name="Int32Ptr"></a>
## func [Int32Ptr](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L25>)

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

Int32Ptr returns a pointer to an int32.

<a name="MapKeys"></a>
## func [MapKeys](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L156>)

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



<a name="PathToName"></a>
## func [PathToName](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L101>)

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

PathToName converts a path to a kubernetes complient name.

<a name="StrPtr"></a>
## func [StrPtr](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L28>)

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

StrPtr returns a pointer to a string.

<a name="TplName"></a>
## func [TplName](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L17>)

```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.

<a name="TplValue"></a>
## func [TplValue](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L92>)

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

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

<a name="Warn"></a>
## func [Warn](<https://github.com/metal3d/katenary/blob/develop/utils/icons.go#L25>)

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

Warn prints a warning message

<a name="WordWrap"></a>
## func [WordWrap](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L152>)

```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.

<a name="Wrap"></a>
## func [Wrap](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L61>)

```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.

<a name="WrapBytes"></a>
## func [WrapBytes](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L67>)

```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.

<a name="EnvConfig"></a>
## type [EnvConfig](<https://github.com/metal3d/katenary/blob/develop/utils/utils.go#L116-L119>)

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

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

<a name="Icon"></a>
## type [Icon](<https://github.com/metal3d/katenary/blob/develop/utils/icons.go#L6>)

Icon is a unicode icon

```go
type Icon string
```

<a name="IconSuccess"></a>Icons used in katenary.

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

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