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|
package dns
import (
"bytes"
"text/template"
"github.com/crc-org/crc/v2/pkg/crc/services"
)
const (
dnsmasqConfTemplate = `listen-address={{ .IP }}
expand-hosts
log-queries
local=/{{ .ClusterName}}.{{ .BaseDomain }}/
domain={{ .ClusterName}}.{{ .BaseDomain }}
address=/{{ .AppsDomain }}/{{ .IP }}
address=/api.{{ .ClusterName}}.{{ .BaseDomain }}/{{ .IP }}
address=/api-int.{{ .ClusterName}}.{{ .BaseDomain }}/{{ .IP }}
address=/{{ .Hostname }}.{{ .ClusterName}}.{{ .BaseDomain }}/{{ .InternalIP }}
`
)
type dnsmasqConfFileValues struct {
BaseDomain string
Port int
ClusterName string
Hostname string
IP string
AppsDomain string
InternalIP string
}
func createDnsmasqDNSConfig(serviceConfig services.ServicePostStartConfig) error {
domain := serviceConfig.BundleMetadata.ClusterInfo.BaseDomain
dnsmasqConfFileValues := dnsmasqConfFileValues{
BaseDomain: domain,
Hostname: serviceConfig.BundleMetadata.Nodes[0].Hostname,
AppsDomain: serviceConfig.BundleMetadata.ClusterInfo.AppsDomain,
ClusterName: serviceConfig.BundleMetadata.ClusterInfo.ClusterName,
IP: serviceConfig.IP,
InternalIP: serviceConfig.BundleMetadata.Nodes[0].InternalIP,
}
dnsConfig, err := createDNSConfigFile(dnsmasqConfFileValues, dnsmasqConfTemplate)
if err != nil {
return err
}
return serviceConfig.SSHRunner.CopyDataPrivileged([]byte(dnsConfig), "/etc/dnsmasq.d/crc-dnsmasq.conf", 0644)
}
func createDNSConfigFile(values dnsmasqConfFileValues, tmpl string) (string, error) {
var dnsConfigFile bytes.Buffer
t, err := template.New("dnsConfigFile").Parse(tmpl)
if err != nil {
return "", err
}
err = t.Execute(&dnsConfigFile, values)
if err != nil {
return "", err
}
return dnsConfigFile.String(), nil
}
|
