wings/environment/config.go

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package environment
import (
"sync"
)
type Settings struct {
Mounts []Mount
Allocations Allocations
Limits Limits
}
// Defines the actual configuration struct for the environment with all of the settings
// defined within it.
type Configuration struct {
mu sync.RWMutex
environmentVariables []string
settings Settings
}
// Returns a new environment configuration with the given settings and environment variables
// defined within it.
func NewConfiguration(s Settings, envVars []string) *Configuration {
return &Configuration{
environmentVariables: envVars,
settings: s,
}
}
// Updates the settings struct for this environment on the fly. This allows modified servers to
// automatically push those changes to the environment.
func (c *Configuration) SetSettings(s Settings) {
c.mu.Lock()
c.settings = s
c.mu.Unlock()
}
// Updates the environment variables associated with this environment by replacing the entire
// array of them with a new one.
func (c *Configuration) SetEnvironmentVariables(ev []string) {
c.mu.Lock()
c.environmentVariables = ev
c.mu.Unlock()
}
// Returns the limits assigned to this environment.
func (c *Configuration) Limits() Limits {
c.mu.RLock()
defer c.mu.RUnlock()
return c.settings.Limits
}
// Rturns the allocations associated with this environment.
func (c *Configuration) Allocations() Allocations {
c.mu.RLock()
defer c.mu.RUnlock()
return c.settings.Allocations
}
// Returns all of the mounts associated with this environment.
func (c *Configuration) Mounts() []Mount {
c.mu.RLock()
defer c.mu.RUnlock()
return c.settings.Mounts
}
// Returns the environment variables associated with this instance.
func (c *Configuration) EnvironmentVariables() []string {
c.mu.RLock()
defer c.mu.RUnlock()
return c.environmentVariables
}