/
pod_templates.go
64 lines (58 loc) · 1.57 KB
/
pod_templates.go
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package kube
import (
"strings"
"github.com/jenkins-x/jx/v2/pkg/errorutil"
"github.com/ghodss/yaml"
"github.com/jenkins-x/jx/v2/pkg/log"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
// LoadPodTemplates loads the Jenkins pod templates from the given namespace
func LoadPodTemplates(kubeClient kubernetes.Interface, ns string) (map[string]*corev1.Pod, error) {
answer := map[string]*corev1.Pod{}
configMapName := ConfigMapJenkinsPodTemplates
configMapInterface := kubeClient.CoreV1().ConfigMaps(ns)
cm, err := configMapInterface.Get(configMapName, metav1.GetOptions{})
if err == nil {
for k, v := range cm.Data {
pod := &corev1.Pod{}
if v != "" {
err := yaml.Unmarshal([]byte(v), pod)
if err != nil {
return answer, err
}
answer[k] = pod
}
}
return answer, nil
}
// lets try load all the ConfigMaps by selector
list, err2 := configMapInterface.List(metav1.ListOptions{
LabelSelector: LabelKind + "=" + ValueKindPodTemplate,
})
if err2 != nil {
return answer, errorutil.CombineErrors(err, err2)
}
for _, cm := range list.Items {
data := cm.Data
found := false
if data != nil {
podYaml := data["pod"]
if podYaml != "" {
pod := &corev1.Pod{}
err := yaml.Unmarshal([]byte(podYaml), pod)
if err != nil {
return answer, err
}
name := strings.TrimPrefix(cm.Name, "jenkins-x-pod-template-")
answer[name] = pod
found = true
}
}
if !found {
log.Logger().Warnf("ConfigMap %s does not contain a pod key", cm.Name)
}
}
return answer, nil
}