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package config
import (
"gerrit.wikimedia.org/r/blubber/build"
)
// LocalLibPrefix declares the shared directory into which application level
// dependencies will be installed.
//
const LocalLibPrefix = "/opt/lib"
// LivesConfig holds configuration fields related to the livesship of
// installed dependencies and application files.
//
type LivesConfig struct {
In string `yaml:"in" validate:"omitempty,abspath"` // application directory
UserConfig `yaml:",inline"`
}
// Merge takes another LivesConfig and overwrites this struct's fields.
//
func (lives *LivesConfig) Merge(lives2 LivesConfig) {
if lives2.In != "" {
lives.In = lives2.In
}
lives.UserConfig.Merge(lives2.UserConfig)
}
// InstructionsForPhase injects build instructions related to creation of the
// application lives.
//
// PhasePrivileged
//
// Creates LocalLibPrefix directory and application lives's user home
// directory, creates the lives user and its group, and sets up directory
// permissions.
//
func (lives LivesConfig) InstructionsForPhase(phase build.Phase) []build.Instruction {
switch phase {
case build.PhasePrivileged:
return []build.Instruction{build.RunAll{
append(
build.CreateUser(lives.As, lives.UID, lives.GID),
build.CreateDirectory(lives.In),
build.Chown(lives.UID, lives.GID, lives.In),
build.CreateDirectory(LocalLibPrefix),
build.Chown(lives.UID, lives.GID, LocalLibPrefix),
),
}}
case build.PhasePrivilegeDropped:
return []build.Instruction{
build.WorkingDirectory{lives.In},
}
}
return []build.Instruction{}
}
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