lookup

Documentation

Index

• type ComposableEnvLookup
  • func (l *ComposableEnvLookup) Lookup(key string, config *config.ServiceConfig) []string
• type EnvfileLookup
  • func (l *EnvfileLookup) Lookup(key string, config *config.ServiceConfig) []string
• type FileResourceLookup
  • func (f *FileResourceLookup) Lookup(file, relativeTo string) ([]byte, string, error)
  • func (f *FileResourceLookup) ResolvePath(path, relativeTo string) string
• type MapLookup
  • func (l *MapLookup) Lookup(key string, config *config.ServiceConfig) []string
• type OsEnvLookup
  • func (o *OsEnvLookup) Lookup(key string, config *config.ServiceConfig) []string

Types

type ComposableEnvLookup

type ComposableEnvLookup struct {
	Lookups []config.EnvironmentLookup
}

ComposableEnvLookup is a structure that implements the project.EnvironmentLookup interface. It holds an ordered list of EnvironmentLookup to call to look for the environment value.

func (*ComposableEnvLookup) Lookup

func (l *ComposableEnvLookup) Lookup(key string, config *config.ServiceConfig) []string

Lookup creates a string slice of string containing a "docker-friendly" environment string in the form of 'key=value'. It loop through the lookups and returns the latest value if more than one lookup return a result.

type EnvfileLookup

type EnvfileLookup struct {
	Path string
}

EnvfileLookup is a structure that implements the project.EnvironmentLookup interface. It holds the path of the file where to lookup environment values.

func (*EnvfileLookup) Lookup

func (l *EnvfileLookup) Lookup(key string, config *config.ServiceConfig) []string

Lookup creates a string slice of string containing a "docker-friendly" environment string in the form of 'key=value'. It gets environment values using a '.env' file in the specified path.

type FileResourceLookup

type FileResourceLookup struct {
}

FileResourceLookup is a "bare" structure that implements the project.ResourceLookup interface

func (*FileResourceLookup) Lookup

func (f *FileResourceLookup) Lookup(file, relativeTo string) ([]byte, string, error)

Lookup returns the content and the actual filename of the file that is "built" using the specified file and relativeTo string. file and relativeTo are supposed to be file path. If file starts with a slash ('/'), it tries to load it, otherwise it will build a filename using the folder part of relativeTo joined with file.

func (*FileResourceLookup) ResolvePath

func (f *FileResourceLookup) ResolvePath(path, relativeTo string) string

ResolvePath returns the path to be used for the given path volume. This function already takes care of relative paths.

type MapLookup

type MapLookup struct {
	Vars map[string]string
}

MapLookup is a structure that implements the project.EnvironmentLookup interface. It holds a map of variables where to lookup environment values.

func (*MapLookup) Lookup

func (l *MapLookup) Lookup(key string, config *config.ServiceConfig) []string

Lookup creates a string slice of string containing a "docker-friendly" environment string in the form of 'key=value'. It gets environment values from the vars map.

type OsEnvLookup

type OsEnvLookup struct {
}

OsEnvLookup is a "bare" structure that implements the project.EnvironmentLookup interface

func (*OsEnvLookup) Lookup

func (o *OsEnvLookup) Lookup(key string, config *config.ServiceConfig) []string

Lookup creates a string slice of string containing a "docker-friendly" environment string in the form of 'key=value'. It gets environment values using os.Getenv. If the os environment variable does not exists, the slice is empty. serviceName and config are not used at all in this implementation.