Richard Wei
305b874656
* EE-1311 Helm Chart Backport from EE * backport to ce Co-authored-by: Matt Hook <hookenz@gmail.com>
74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
package helm
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import (
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"bytes"
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// "errors"
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"fmt"
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"log"
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"os/exec"
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"path"
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"runtime"
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"strings"
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"github.com/pkg/errors"
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"github.com/portainer/portainer/api/exec/helm/release"
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"github.com/portainer/portainer/api/kubernetes"
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)
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// HelmPackageManager represents a service that interfaces with Helm
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type HelmPackageManager interface {
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Run(command string, args []string, serverURL, authToken string) (string, error) // TODO remove
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Install(installOpts InstallOptions, serverURL, authToken string) (*release.Release, error)
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Show(showOpts ShowOptions) (string, error)
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SearchRepo(searchOpts SearchRepoOptions) (string, error)
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}
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// helmBinaryPackageManager is a wrapper for the helm binary which implements HelmPackageManager
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type helmBinaryPackageManager struct {
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kubeConfigService kubernetes.KubeConfigService
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binaryPath string
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}
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// NewHelmBinaryPackageManager initializes a new HelmPackageManager service.
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func NewHelmBinaryPackageManager(kubeConfigService kubernetes.KubeConfigService, binaryPath string) HelmPackageManager {
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return &helmBinaryPackageManager{
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kubeConfigService: kubeConfigService,
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binaryPath: binaryPath,
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}
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}
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// Run will execute helm command against the provided Kubernetes cluster.
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// The serverURL and authToken are dynamic params (based on the user) that allow helm to execute commands
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// in the context of the current user against specified k8s cluster.
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func (hbpm *helmBinaryPackageManager) Run(command string, args []string, serverURL, authToken string) (string, error) {
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helmPath := path.Join(hbpm.binaryPath, "helm")
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if runtime.GOOS == "windows" {
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helmPath = path.Join(hbpm.binaryPath, "helm.exe")
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}
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clusterAccess := hbpm.kubeConfigService.GetKubeConfigCore(serverURL, authToken)
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cmdArgs := make([]string, 0)
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if hbpm.kubeConfigService.IsSecure() {
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cmdArgs = append(cmdArgs, "--kube-apiserver", clusterAccess.ClusterServerURL)
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cmdArgs = append(cmdArgs, "--kube-token", clusterAccess.AuthToken)
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cmdArgs = append(cmdArgs, "--kube-ca-file", clusterAccess.CertificateAuthorityFile)
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}
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cmdArgs = append(cmdArgs, command)
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cmdArgs = append(cmdArgs, args...)
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log.Printf("[DEBUG] [internal,helm] [message: executing helm command: %s]", fmt.Sprintf("%s %s", helmPath, strings.Join(cmdArgs, " ")))
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var stderr bytes.Buffer
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cmd := exec.Command(helmPath, cmdArgs...)
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cmd.Stderr = &stderr
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output, err := cmd.Output()
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if err != nil {
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log.Println("Failed:", err.Error())
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return "", errors.Wrap(err, stderr.String())
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}
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return string(output), nil
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}
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