115 lines
3.3 KiB
Go
115 lines
3.3 KiB
Go
package internal
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import (
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"bytes"
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"fmt"
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"oc-k8s/utils"
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"os"
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"os/exec"
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)
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func Help_Cluster() {
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fmt.Println(`
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Cluster commands: oc-k8s <action> cluster [options]
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create - Create a new kind cluster
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delete - Delete the kind cluster
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help - Show this help message
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Usage:
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oc-k8s create cluster -f [env_folder] -r [release]
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env_folder - Helm config folder (default: .)
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release - Release values name (default: dev)
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oc-k8s delete cluster -f [env_folder] -r [release]
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env_folder - Helm config folder (default: .)
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release - Release values name (default: dev)
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oc-k8s help cluster `)
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}
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func Delete_Cluster(folder string, release string) error {
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clusterName := "opencloud"
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if b, err := os.ReadFile(folder + "/" + release + "-values.yaml"); err == nil {
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clusterName, _ = utils.Extract(string(b), "clusterName")
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}
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utils.Exec("kind delete cluster --name " + clusterName)
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utils.Exec("yes | sudo cp -rf /etc/rancher/k3s/k3s.yaml ~/.kube/config")
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return utils.Exec("chmod 600 ~/.kube/config")
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}
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func Install_Cluster() error {
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utils.Exec("yes | sudo cp -rf /etc/rancher/k3s/k3s.yaml ~/.kube/config")
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utils.Exec("chmod 700 /home/mr/.kube")
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return utils.Exec("chmod 600 ~/.kube/config")
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}
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func Create_Cluster(folder string, release string) error {
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clusterName := "opencloud"
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scheme := "http"
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port := "80"
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if b, err := os.ReadFile(folder + "/" + release + "-values.yaml"); err == nil {
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clusterName, _ = utils.Extract(string(b), "clusterName")
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scheme, _ = utils.Extract(string(b), "scheme")
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port, _ = utils.Extract(string(b), "hostPort")
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}
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utils.Exec("sudo fuser -k -TERM " + port + "/tcp")
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utils.Exec("yes | sudo cp -rf /etc/rancher/k3s/k3s.yaml ~/.kube/config")
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containerPort := "30950"
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if scheme == "https" {
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containerPort = "30951"
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}
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kindConfig := `kind: Cluster
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apiVersion: kind.x-k8s.io/v1alpha4
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name: ` + clusterName + `
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nodes:
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- role: control-plane
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kubeadmConfigPatches:
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- |
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kind: InitConfiguration
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nodeRegistration:
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kubeletExtraArgs:
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node-labels: "ingress-ready=true"
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extraPortMappings:
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- containerPort: ` + containerPort + `
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hostPort: ` + port + `
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protocol: TCP
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containerdConfigPatches:
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- |-
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[plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:5000"]
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endpoint = ["http://dev-docker-registry-ui-registry-server.opencloud.svc.cluster.local:5000"]
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`
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cmd := exec.Command("kind", "create", "cluster", "--name", clusterName, "--config=-")
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cmd.Stdin = bytes.NewBufferString(kindConfig)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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fmt.Println(err)
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return err
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}
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fmt.Println("[WARNING] New cluster should be merged into your current config !")
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if err := utils.Exec("KUBECONFIG=~/.kube/config:/tmp/kind-" + clusterName + ".kubeconfig kubectl config view --flatten --merge --minify > /tmp/merged-kubeconfig.yaml"); err != nil {
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return err
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}
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if err := utils.Exec("cp -f /tmp/merged-kubeconfig.yaml ~/.kube/config"); err != nil {
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return err
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}
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if err := utils.Exec("kubectl config get-contexts"); err != nil {
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return err
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}
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if err := utils.Exec("kubectl config use-context kind-" + clusterName); err != nil {
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return err
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}
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if err := utils.Exec("docker start " + clusterName + "-control-plane"); err != nil {
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return err
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}
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return nil
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}
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