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Merge pull request #235 from omersch381/add_pools_yaml_generation
Add pools.yaml generator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| # Note, if you change this name, please change the name on pkg/designate/const.go file as well | ||
| name: designate-ns-records-params | ||
| data: | ||
| ns_records: | | ||
| - host: host1 | ||
| priority: 1 | ||
| - host: host2 | ||
| priority: 2 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
| package designate | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "gopkg.in/yaml.v2" | ||
| "os" | ||
| "text/template" | ||
| ) | ||
|
|
||
| type Pool struct { | ||
| Name string | ||
| Description string | ||
| Attributes map[string]string | ||
| NSRecords []NSRecord | ||
| Nameservers []Nameserver | ||
| Targets []Target | ||
| CatalogZone *CatalogZone // it is a pointer because it is optional | ||
| } | ||
|
|
||
| type NSRecord struct { | ||
| Hostname string | ||
| Priority int | ||
| } | ||
|
|
||
| type Nameserver struct { | ||
| Host string | ||
| Port int | ||
| } | ||
|
|
||
| type Target struct { | ||
| Type string | ||
| Description string | ||
| Masters []Master | ||
| Options Options | ||
| } | ||
|
|
||
| type Master struct { | ||
| Host string | ||
| Port int | ||
| } | ||
|
|
||
| type Options struct { | ||
| Host string | ||
| Port int | ||
| RNDCHost string | ||
| RNDCPort int | ||
| RNDCConfigFile string | ||
| } | ||
|
|
||
| type CatalogZone struct { | ||
| FQDN string | ||
| Refresh string | ||
| } | ||
|
|
||
| func GeneratePoolsYamlData(BindMap, MdnsMap, NsRecordsMap map[string]string) (string, error) { | ||
| // Create ns_records | ||
| nsRecords := []NSRecord{} | ||
| for _, data := range NsRecordsMap { | ||
| err := yaml.Unmarshal([]byte(data), &nsRecords) | ||
| if err != nil { | ||
| return "", fmt.Errorf("error unmarshalling yaml: %w", err) | ||
| } | ||
| } | ||
|
|
||
| // Create targets and nameservers | ||
| nameservers := []Nameserver{} | ||
| targets := []Target{} | ||
| rndcKeyNum := 1 | ||
|
|
||
| for _, bindIP := range BindMap { | ||
| nameservers = append(nameservers, Nameserver{ | ||
| Host: bindIP, | ||
| Port: 53, | ||
| }) | ||
|
|
||
| masters := []Master{} | ||
| for _, masterHost := range MdnsMap { | ||
| masters = append(masters, Master{ | ||
| Host: masterHost, | ||
| Port: 5354, | ||
| }) | ||
| } | ||
|
|
||
| target := Target{ | ||
| Type: "bind9", | ||
| Description: fmt.Sprintf("BIND9 Server %d (%s)", rndcKeyNum, bindIP), | ||
| Masters: masters, | ||
| Options: Options{ | ||
| Host: bindIP, | ||
| Port: 53, | ||
| RNDCHost: bindIP, | ||
| RNDCPort: 953, | ||
| RNDCConfigFile: fmt.Sprintf("%s/%s-%d.conf", RndcConfDir, DesignateRndcKey, rndcKeyNum), | ||
| }, | ||
| } | ||
| targets = append(targets, target) | ||
| rndcKeyNum++ | ||
| } | ||
|
|
||
| // Catalog zone is an optional section | ||
| // catalogZone := &CatalogZone{ | ||
| // FQDN: "example.org.", | ||
| // Refresh: "60", | ||
| // } | ||
| defaultAttributes := make(map[string]string) | ||
| // Create the Pool struct with the dynamic values | ||
| pool := Pool{ | ||
| Name: "default", | ||
| Description: "Default BIND Pool", | ||
| Attributes: defaultAttributes, | ||
| NSRecords: nsRecords, | ||
| Nameservers: nameservers, | ||
| Targets: targets, | ||
| CatalogZone: nil, // set to catalogZone if this section should be presented | ||
| } | ||
|
|
||
| PoolsYaml, err := os.ReadFile(PoolsYamlPath) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| tmpl, err := template.New("pool").Parse(string(PoolsYaml)) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| var buf bytes.Buffer | ||
| err = tmpl.Execute(&buf, pool) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return buf.String(), nil | ||
| } |
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