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