136 lines
2.8 KiB
Go
136 lines
2.8 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
|
|
yaml "gopkg.in/yaml.v2"
|
|
"novit.nc/direktil/pkg/localconfig"
|
|
|
|
"novit.nc/direktil/local-server/pkg/clustersconfig"
|
|
)
|
|
|
|
var (
|
|
dir = flag.String("in", ".", "Source directory")
|
|
|
|
src *clustersconfig.Config
|
|
dst *localconfig.Config
|
|
)
|
|
|
|
func loadSrc() {
|
|
var err error
|
|
|
|
src, err = clustersconfig.FromDir(*dir)
|
|
if err != nil {
|
|
log.Fatal("failed to load config from dir: ", err)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
outPath := flag.String("out", "config.yaml", "Output file")
|
|
flag.Parse()
|
|
|
|
loadSrc()
|
|
|
|
dst = &localconfig.Config{
|
|
SSLConfig: src.SSLConfig,
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
for _, cluster := range src.Clusters {
|
|
dst.Clusters = append(dst.Clusters, &localconfig.Cluster{
|
|
Name: cluster.Name,
|
|
Addons: renderAddons(cluster),
|
|
})
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
for _, host := range src.Hosts {
|
|
loadSrc() // FIXME ugly fix of some template caching or something
|
|
|
|
log.Print("rendering host ", host.Name)
|
|
ctx, err := newRenderContext(host, src)
|
|
|
|
if err != nil {
|
|
log.Fatal("failed to create render context for host ", host.Name, ": ", err)
|
|
}
|
|
|
|
macs := make([]string, 0)
|
|
if host.MAC != "" {
|
|
macs = append(macs, host.MAC)
|
|
}
|
|
|
|
ips := make([]string, 0)
|
|
if len(host.IP) != 0 {
|
|
ips = append(ips, host.IP)
|
|
}
|
|
ips = append(ips, host.IPs...)
|
|
|
|
if ctx.Group.Versions["modules"] == "" {
|
|
// default modules' version to kernel's version
|
|
ctx.Group.Versions["modules"] = ctx.Group.Kernel
|
|
}
|
|
|
|
dst.Hosts = append(dst.Hosts, &localconfig.Host{
|
|
Name: host.Name,
|
|
MACs: macs,
|
|
IPs: ips,
|
|
|
|
IPXE: ctx.Group.IPXE, // TODO render
|
|
|
|
Kernel: ctx.Group.Kernel,
|
|
Initrd: ctx.Group.Initrd,
|
|
Versions: ctx.Group.Versions,
|
|
|
|
Config: ctx.Config(),
|
|
})
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
out, err := os.Create(*outPath)
|
|
if err != nil {
|
|
log.Fatal("failed to create output: ", err)
|
|
}
|
|
|
|
defer out.Close()
|
|
|
|
if err = yaml.NewEncoder(out).Encode(dst); err != nil {
|
|
log.Fatal("failed to render output: ", err)
|
|
}
|
|
|
|
}
|
|
|
|
func renderAddons(cluster *clustersconfig.Cluster) string {
|
|
if len(cluster.Addons) == 0 {
|
|
return ""
|
|
}
|
|
|
|
addons := src.Addons[cluster.Addons]
|
|
if addons == nil {
|
|
log.Fatalf("cluster %q: no addons with name %q", cluster.Name, cluster.Addons)
|
|
}
|
|
|
|
clusterAsMap := asMap(cluster)
|
|
clusterAsMap["kubernetes_svc_ip"] = cluster.KubernetesSvcIP().String()
|
|
clusterAsMap["dns_svc_ip"] = cluster.DNSSvcIP().String()
|
|
|
|
buf := &bytes.Buffer{}
|
|
|
|
for _, addon := range addons {
|
|
fmt.Fprintf(buf, "---\n# addon: %s\n", addon.Name)
|
|
err := addon.Execute(buf, clusterAsMap, nil)
|
|
|
|
if err != nil {
|
|
log.Fatalf("cluster %q: addons %q: failed to render %q: %v",
|
|
cluster.Name, cluster.Addons, addon.Name, err)
|
|
}
|
|
|
|
fmt.Fprintln(buf)
|
|
}
|
|
|
|
return buf.String()
|
|
}
|