mirror of
https://github.com/rancher/os.git
synced 2025-05-30 10:34:24 +00:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package control
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"time"
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"github.com/rancher/os/config"
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"github.com/rancher/os/pkg/log"
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"github.com/pkg/errors"
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)
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func yes(question string) bool {
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fmt.Printf("%s [y/N]: ", question)
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in := bufio.NewReader(os.Stdin)
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line, err := in.ReadString('\n')
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if err != nil {
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log.Fatal(err)
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}
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return strings.ToLower(line[0:1]) == "y"
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}
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func formatImage(image string, cfg *config.CloudConfig) string {
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domainRegistry := cfg.Rancher.Environment["REGISTRY_DOMAIN"]
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if domainRegistry != "docker.io" && domainRegistry != "" {
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return fmt.Sprintf("%s/%s", domainRegistry, image)
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}
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return image
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}
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func symLinkEngineBinary() []symlink {
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baseSymlink := []symlink{
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{"/usr/share/ros/os-release", "/usr/lib/os-release"},
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{"/usr/share/ros/os-release", "/etc/os-release"},
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{"/var/lib/rancher/engine/docker", "/usr/bin/docker"},
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{"/var/lib/rancher/engine/dockerd", "/usr/bin/dockerd"},
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{"/var/lib/rancher/engine/docker-init", "/usr/bin/docker-init"},
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{"/var/lib/rancher/engine/docker-proxy", "/usr/bin/docker-proxy"},
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// >= 18.09.0
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{"/var/lib/rancher/engine/containerd", "/usr/bin/containerd"},
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{"/var/lib/rancher/engine/ctr", "/usr/bin/ctr"},
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{"/var/lib/rancher/engine/containerd-shim", "/usr/bin/containerd-shim"},
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{"/var/lib/rancher/engine/runc", "/usr/bin/runc"},
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// < 18.09.0
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{"/var/lib/rancher/engine/docker-containerd", "/usr/bin/docker-containerd"},
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{"/var/lib/rancher/engine/docker-containerd-ctr", "/usr/bin/docker-containerd-ctr"},
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{"/var/lib/rancher/engine/docker-containerd-shim", "/usr/bin/docker-containerd-shim"},
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{"/var/lib/rancher/engine/docker-runc", "/usr/bin/docker-runc"},
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}
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return baseSymlink
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}
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func checkZfsBackingFS(driver, dir string) error {
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if driver != "zfs" {
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return nil
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}
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for i := 0; i < 4; i++ {
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mountInfo, err := ioutil.ReadFile("/proc/self/mountinfo")
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if err != nil {
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continue
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}
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for _, mount := range strings.Split(string(mountInfo), "\n") {
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if strings.Contains(mount, dir) && strings.Contains(mount, driver) {
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return nil
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}
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}
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time.Sleep(1 * time.Second)
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}
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return errors.Errorf("BackingFS: %s not match storage-driver: %s", dir, driver)
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}
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func checkGlobalCfg() bool {
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_, err := os.Stat("/proc/1/root/boot/global.cfg")
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if err == nil || os.IsExist(err) {
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return true
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}
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return false
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}
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