mirror of
https://github.com/rancher/os.git
synced 2025-07-15 07:41:39 +00:00
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package recovery
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import (
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"github.com/rancher/os/config"
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"github.com/rancher/os/pkg/compose"
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"github.com/rancher/os/pkg/init/docker"
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"github.com/rancher/os/pkg/log"
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"github.com/rancher/os/pkg/netconf"
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"github.com/rancher/os/pkg/sysinit"
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composeConfig "github.com/docker/libcompose/config"
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"github.com/docker/libcompose/yaml"
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)
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var (
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// TODO: move this into the os-config file so it can be customised.
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recoveryDockerService = composeConfig.ServiceConfigV1{
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Image: config.OsBase,
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Command: yaml.Command{
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"ros",
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"recovery-init",
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},
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Labels: map[string]string{
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config.DetachLabel: "false",
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config.ScopeLabel: "system",
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},
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LogDriver: "json-file",
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Net: "host",
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Uts: "host",
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Pid: "host",
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Ipc: "host",
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Privileged: true,
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Volumes: []string{
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"/dev:/host/dev",
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"/etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt.rancher",
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"/lib/modules:/lib/modules",
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"/lib/firmware:/lib/firmware",
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"/usr/bin/ros:/usr/bin/ros:ro",
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"/usr/bin/ros:/usr/bin/cloud-init-save",
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"/usr/bin/ros:/usr/bin/respawn:ro",
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"/usr/share/ros:/usr/share/ros:ro",
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"/var/lib/rancher:/var/lib/rancher",
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"/var/lib/rancher/conf:/var/lib/rancher/conf",
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"/var/run:/var/run",
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},
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}
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)
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func LoadRecoveryConsole(cfg *config.CloudConfig) (*config.CloudConfig, error) {
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if cfg.Rancher.Recovery {
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Recovery(nil)
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}
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return cfg, nil
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}
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func Recovery(initFailure error) {
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if initFailure != nil {
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log.Errorf("RancherOS has failed to boot: %v", initFailure)
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}
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log.Info("Launching recovery console")
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var recoveryConfig config.CloudConfig
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recoveryConfig.Rancher.Defaults = config.Defaults{
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Network: netconf.NetworkConfig{
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DNS: netconf.DNSConfig{
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Nameservers: []string{
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"8.8.8.8",
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"8.8.4.4",
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},
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},
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},
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}
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recoveryConfig.Rancher.BootstrapDocker = config.DockerConfig{
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EngineOpts: config.EngineOpts{
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Bridge: "none",
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StorageDriver: "overlay2",
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Restart: &[]bool{false}[0],
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Graph: "/var/lib/recovery-docker",
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Group: "root",
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Host: []string{"unix:///var/run/system-docker.sock"},
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UserlandProxy: &[]bool{false}[0],
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},
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}
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_, err := docker.Start(&recoveryConfig)
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if err != nil {
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log.Fatal(err)
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}
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_, err = config.ChainCfgFuncs(&recoveryConfig,
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[]config.CfgFuncData{
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{"loadSystemImages", sysinit.LoadBootstrapImages},
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{"recovery console", recoveryServices},
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})
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if err != nil {
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log.Fatal(err)
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}
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}
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func recoveryServices(cfg *config.CloudConfig) (*config.CloudConfig, error) {
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_, err := compose.RunServiceSet("recovery", cfg, map[string]*composeConfig.ServiceConfigV1{
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"recovery": &recoveryDockerService,
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})
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return nil, err
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}
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