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// Package appmeta stores the small amount of per-app networking config
// Skiff itself needs (IP, port, health check, domains) that isn't already
// implied by jail.conf/rc.conf - a flat file living with the app's own
// data, not a separate control-plane database.
package appmeta
import (
"encoding/json"
"os"
)
// Domain is one hostname routed to the app; every non-Primary one redirects
// to whichever is Primary.
type Domain struct {
Hostname string `json:"hostname"`
Primary bool `json:"primary"`
}
type Meta struct {
IP string `json:"ip"`
Port int `json:"port"`
HealthPath string `json:"health_path"`
Domains []Domain `json:"domains,omitempty"`
// Hostnames the app's cert actually covers as of the last sync - may
// lag Domains after an add (not yet issued) or a remove (not pruned).
TLSDomains []string `json:"tls_domains,omitempty"`
}
func (m Meta) PrimaryDomain() (Domain, bool) {
for _, d := range m.Domains {
if d.Primary {
return d, true
}
}
return Domain{}, false
}
func Write(path string, m Meta) error {
b, err := json.MarshalIndent(m, "", " ")
if err != nil {
return err
}
return os.WriteFile(path, b, 0644)
}
func Read(path string) (Meta, error) {
var m Meta
b, err := os.ReadFile(path)
if err != nil {
return m, err
}
err = json.Unmarshal(b, &m)
return m, err
}
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