| 1 | + | package service |
| 2 | + | |
| 3 | + | import ( |
| 4 | + | "context" |
| 5 | + | |
| 6 | + | "github.com/KubeOperator/KubeOperator/pkg/dto" |
| 7 | + | "github.com/KubeOperator/KubeOperator/pkg/repository" |
| 8 | + | clusterUtil "github.com/KubeOperator/KubeOperator/pkg/util/cluster" |
| 9 | + | "helm.sh/helm/v3/pkg/time" |
| 10 | + | policyv1beta1 "k8s.io/api/policy/v1beta1" |
| 11 | + | metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 12 | + | metricsclientset "k8s.io/metrics/pkg/client/clientset/versioned" |
| 13 | + | ) |
| 14 | + | |
| 15 | + | type KubernetesService interface { |
| 16 | + | Get(req dto.SourceSearch) (interface{}, error) |
| 17 | + | GetMetric(cluster string) (interface{}, error) |
| 18 | + | CreateSc(req dto.SourceScCreate) error |
| 19 | + | CreateSecret(req dto.SourceSecretCreate) error |
| 20 | + | CordonNode(req dto.Cordon) error |
| 21 | + | EvictPod(req dto.Evict) error |
| 22 | + | Delete(req dto.SourceDelete) error |
| 23 | + | } |
| 24 | + | |
| 25 | + | type kubernetesService struct { |
| 26 | + | clusterService ClusterService |
| 27 | + | clusterRepo repository.ClusterRepository |
| 28 | + | } |
| 29 | + | |
| 30 | + | func NewKubernetesService() KubernetesService { |
| 31 | + | return &kubernetesService{ |
| 32 | + | clusterService: NewClusterService(), |
| 33 | + | clusterRepo: repository.NewClusterRepository(), |
| 34 | + | } |
| 35 | + | } |
| 36 | + | |
| 37 | + | func (k kubernetesService) Get(req dto.SourceSearch) (interface{}, error) { |
| 38 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 39 | + | if err != nil { |
| 40 | + | return "", err |
| 41 | + | } |
| 42 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 43 | + | if err != nil { |
| 44 | + | return "", err |
| 45 | + | } |
| 46 | + | |
| 47 | + | switch req.Kind { |
| 48 | + | case "namespacelist": |
| 49 | + | ns, err := client.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{}) |
| 50 | + | return ns, err |
| 51 | + | case "podlist": |
| 52 | + | pods, err := client.CoreV1().Pods(req.Namespace).List(context.TODO(), metav1.ListOptions{}) |
| 53 | + | return pods, err |
| 54 | + | case "deploymentlist": |
| 55 | + | pods, err := client.AppsV1().Deployments(req.Namespace).List(context.TODO(), metav1.ListOptions{}) |
| 56 | + | return pods, err |
| 57 | + | case "nodelist": |
| 58 | + | nodes, err := client.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{}) |
| 59 | + | return nodes, err |
| 60 | + | case "secret": |
| 61 | + | secret, err := client.CoreV1().Secrets(req.Namespace).Get(context.TODO(), req.Name, metav1.GetOptions{}) |
| 62 | + | return secret, err |
| 63 | + | case "storageclasslist": |
| 64 | + | if req.Limit != 0 { |
| 65 | + | storageclass, err := client.StorageV1().StorageClasses().List(context.TODO(), metav1.ListOptions{Limit: req.Limit, Continue: req.Continue}) |
| 66 | + | return storageclass, err |
| 67 | + | } else { |
| 68 | + | storageclass, err := client.StorageV1().StorageClasses().List(context.TODO(), metav1.ListOptions{}) |
| 69 | + | return storageclass, err |
| 70 | + | } |
| 71 | + | case "overviewdatas": |
| 72 | + | var overDatas OverViewData |
| 73 | + | deployments, err := client.AppsV1().Deployments(req.Namespace).List(context.TODO(), metav1.ListOptions{}) |
| 74 | + | if err != nil { |
| 75 | + | return overDatas, err |
| 76 | + | } |
| 77 | + | overDatas.Deployments = len(deployments.Items) |
| 78 | + | |
| 79 | + | pods, err := client.CoreV1().Pods(req.Namespace).List(context.TODO(), metav1.ListOptions{}) |
| 80 | + | if err != nil { |
| 81 | + | return overDatas, err |
| 82 | + | } |
| 83 | + | overDatas.Pods = len(pods.Items) |
| 84 | + | for _, po := range pods.Items { |
| 85 | + | overDatas.Containers += len(po.Spec.Containers) |
| 86 | + | } |
| 87 | + | |
| 88 | + | ns, err := client.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{}) |
| 89 | + | if err != nil { |
| 90 | + | return overDatas, err |
| 91 | + | } |
| 92 | + | overDatas.Namespaces = len(ns.Items) |
| 93 | + | |
| 94 | + | nodes, err := client.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{}) |
| 95 | + | if err != nil { |
| 96 | + | return overDatas, err |
| 97 | + | } |
| 98 | + | overDatas.Nodes = len(nodes.Items) |
| 99 | + | |
| 100 | + | return overDatas, err |
| 101 | + | } |
| 102 | + | |
| 103 | + | return dto.SourceList{}, nil |
| 104 | + | } |
| 105 | + | |
| 106 | + | type OverViewData struct { |
| 107 | + | Deployments int `json:"deployments"` |
| 108 | + | Nodes int `json:"nodes"` |
| 109 | + | Namespaces int `json:"namespaces"` |
| 110 | + | Pods int `json:"pods"` |
| 111 | + | Containers int `json:"containers"` |
| 112 | + | } |
| 113 | + | |
| 114 | + | func (k kubernetesService) GetMetric(clusterName string) (interface{}, error) { |
| 115 | + | cluster, err := k.clusterRepo.GetWithPreload(clusterName, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 116 | + | if err != nil { |
| 117 | + | return "", err |
| 118 | + | } |
| 119 | + | host, err := clusterUtil.LoadAvailableHost(&cluster) |
| 120 | + | if err != nil { |
| 121 | + | return "", err |
| 122 | + | } |
| 123 | + | config, err := clusterUtil.LoadConnConf(&cluster, host) |
| 124 | + | if err != nil { |
| 125 | + | return "", err |
| 126 | + | } |
| 127 | + | mclient, err := metricsclientset.NewForConfig(config) |
| 128 | + | if err != nil { |
| 129 | + | return "", err |
| 130 | + | } |
| 131 | + | |
| 132 | + | ms, err := mclient.MetricsV1beta1().NodeMetricses().List(context.TODO(), metav1.ListOptions{}) |
| 133 | + | return ms, err |
| 134 | + | } |
| 135 | + | |
| 136 | + | func (k kubernetesService) CreateSc(req dto.SourceScCreate) error { |
| 137 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 138 | + | if err != nil { |
| 139 | + | return err |
| 140 | + | } |
| 141 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 142 | + | if err != nil { |
| 143 | + | return err |
| 144 | + | } |
| 145 | + | _, err = client.StorageV1().StorageClasses().Create(context.TODO(), &req.Info, metav1.CreateOptions{}) |
| 146 | + | return err |
| 147 | + | } |
| 148 | + | |
| 149 | + | func (k kubernetesService) CordonNode(req dto.Cordon) error { |
| 150 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 151 | + | if err != nil { |
| 152 | + | return err |
| 153 | + | } |
| 154 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 155 | + | if err != nil { |
| 156 | + | return err |
| 157 | + | } |
| 158 | + | |
| 159 | + | node, err := client.CoreV1().Nodes().Get(context.TODO(), req.Name, metav1.GetOptions{}) |
| 160 | + | if err != nil { |
| 161 | + | return err |
| 162 | + | } |
| 163 | + | node.Spec.Unschedulable = req.SetUnschedulable |
| 164 | + | _, err = client.CoreV1().Nodes().Update(context.TODO(), node, metav1.UpdateOptions{}) |
| 165 | + | return err |
| 166 | + | } |
| 167 | + | |
| 168 | + | func (k kubernetesService) EvictPod(req dto.Evict) error { |
| 169 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 170 | + | if err != nil { |
| 171 | + | return err |
| 172 | + | } |
| 173 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 174 | + | if err != nil { |
| 175 | + | return err |
| 176 | + | } |
| 177 | + | |
| 178 | + | rmPod := &policyv1beta1.Eviction{ |
| 179 | + | TypeMeta: metav1.TypeMeta{ |
| 180 | + | APIVersion: "policy/v1beta1", |
| 181 | + | Kind: "Eviction", |
| 182 | + | }, |
| 183 | + | ObjectMeta: metav1.ObjectMeta{ |
| 184 | + | Name: req.Name, |
| 185 | + | Namespace: req.Namespace, |
| 186 | + | CreationTimestamp: metav1.Time(time.Now()), |
| 187 | + | }, |
| 188 | + | } |
| 189 | + | if err := client.CoreV1().Pods(req.Namespace).EvictV1beta1(context.TODO(), rmPod); err != nil { |
| 190 | + | return err |
| 191 | + | } |
| 192 | + | return err |
| 193 | + | } |
| 194 | + | |
| 195 | + | func (k kubernetesService) CreateSecret(req dto.SourceSecretCreate) error { |
| 196 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 197 | + | if err != nil { |
| 198 | + | return err |
| 199 | + | } |
| 200 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 201 | + | if err != nil { |
| 202 | + | return err |
| 203 | + | } |
| 204 | + | _, err = client.CoreV1().Secrets(req.Namespace).Create(context.TODO(), &req.Info, metav1.CreateOptions{}) |
| 205 | + | return err |
| 206 | + | } |
| 207 | + | |
| 208 | + | func (k kubernetesService) Delete(req dto.SourceDelete) error { |
| 209 | + | cluster, err := k.clusterRepo.GetWithPreload(req.Cluster, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"}) |
| 210 | + | if err != nil { |
| 211 | + | return err |
| 212 | + | } |
| 213 | + | client, err := clusterUtil.NewClusterClient(&cluster) |
| 214 | + | if err != nil { |
| 215 | + | return err |
| 216 | + | } |
| 217 | + | |
| 218 | + | switch req.Kind { |
| 219 | + | case "storageclass": |
| 220 | + | err := client.StorageV1().StorageClasses().Delete(context.TODO(), req.Name, metav1.DeleteOptions{}) |
| 221 | + | return err |
| 222 | + | case "pod": |
| 223 | + | err := client.CoreV1().Pods(req.Namespace).Delete(context.TODO(), req.Name, metav1.DeleteOptions{}) |
| 224 | + | return err |
| 225 | + | case "secret": |
| 226 | + | err := client.CoreV1().Secrets(req.Namespace).Delete(context.TODO(), req.Name, metav1.DeleteOptions{}) |
| 227 | + | return err |
| 228 | + | } |
| 229 | + | return nil |
| 230 | + | } |
| 231 | + | |