func listMachinesAction(c *cli.Context) {
r := getRegistry(c)
if !c.Bool("no-legend") {
fmt.Fprintln(out, "MACHINE\tIP\tMETADATA")
}
full := c.Bool("full")
for _, m := range r.GetActiveMachines() {
mach := m.BootId
if !full {
mach = ellipsize(mach, 8)
}
ip := m.PublicIP
if len(ip) == 0 {
ip = "-"
}
metadata := "-"
if len(m.Metadata) != 0 {
metadata = formatMetadata(m.Metadata)
}
fmt.Fprintf(out, "%s\t%s\t%s\n", mach, ip, metadata)
}
out.Flush()
}
func listMachinesAction(c *cli.Context) {
if !c.Bool("no-legend") {
fmt.Fprintln(out, "MACHINE\tIP\tMETADATA")
}
full := c.Bool("full")
for _, m := range registryCtl.GetActiveMachines() {
mach := machineBootIDLegend(m, full)
ip := m.PublicIP
if len(ip) == 0 {
ip = "-"
}
metadata := "-"
if len(m.Metadata) != 0 {
metadata = formatMetadata(m.Metadata)
}
fmt.Fprintf(out, "%s\t%s\t%s\n", mach, ip, metadata)
}
out.Flush()
}
func listUnitsAction(c *cli.Context) {
r := getRegistry(c)
if !c.Bool("no-legend") {
fmt.Fprintln(out, "UNIT\tLOAD\tACTIVE\tSUB\tDESC\tMACHINE")
}
names := make(map[string]bool, 0)
sortable := make(sort.StringSlice, 0)
for _, p := range r.GetAllPayloads() {
if _, ok := names[p.Name]; !ok {
names[p.Name] = true
sortable = append(sortable, p.Name)
}
}
for _, j := range r.GetAllJobs() {
if _, ok := names[j.Name]; !ok {
names[j.Name] = true
sortable = append(sortable, j.Name)
}
}
sortable.Sort()
full := c.Bool("full")
for _, name := range sortable {
state := r.GetJobState(name)
printJobState(name, state, full)
}
out.Flush()
}
func journalAction(c *cli.Context) {
if len(c.Args()) != 1 {
fmt.Println("One unit file must be provided.")
syscall.Exit(1)
}
jobName := c.Args()[0]
js := registryCtl.GetJobState(jobName)
if js == nil {
fmt.Printf("%s does not appear to be running\n", jobName)
syscall.Exit(1)
}
cmd := fmt.Sprintf("journalctl -u %s --no-pager -l -n %d", jobName, c.Int("lines"))
if c.Bool("follow") {
cmd += " -f"
}
// check if the job is running on this machine
var channel *ssh.Channel
var err error
if machine.IsLocalMachineState(js.MachineState) {
channel = runLocalCommand(cmd)
} else {
channel, err = runRemoteCommand(cmd, js.MachineState.PublicIP)
if err != nil {
log.Fatalf("Unable to run command over SSH: %v", err)
}
}
readSSHChannel(channel)
}
func sshAction(c *cli.Context) {
unit := c.String("unit")
machine := c.String("machine")
if unit != "" && machine != "" {
log.Fatal("Both flags, machine and unit provided, please specify only one")
}
args := c.Args()
var err error
var addr string
switch {
case machine != "":
addr, _ = findAddressInMachineList(machine)
case unit != "":
addr, _ = findAddressInRunningUnits(unit)
default:
addr, err = globalMachineLookup(args)
args = args[1:]
}
if err != nil {
log.Fatal(err)
}
if addr == "" {
log.Fatalf("Requested machine could not be found")
}
agentForwarding := c.Bool("agent")
var sshClient *ssh.SSHForwardingClient
if tun := getTunnelFlag(); tun != "" {
sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr, getChecker(), agentForwarding)
} else {
sshClient, err = ssh.NewSSHClient("core", addr, getChecker(), agentForwarding)
}
if err != nil {
log.Fatal(err.Error())
return
}
defer sshClient.Close()
if len(args) > 0 {
cmd := strings.Join(args, " ")
channel, err := ssh.Execute(sshClient, cmd)
if err != nil {
log.Fatalf("Unable to run command over SSH: %s", err.Error())
}
readSSHChannel(channel)
} else {
if err := ssh.Shell(sshClient); err != nil {
log.Fatalf(err.Error())
}
}
}
func journalAction(c *cli.Context) {
if len(c.Args()) != 1 {
fmt.Println("One unit file must be provided.")
syscall.Exit(1)
}
jobName := c.Args()[0]
js := registryCtl.GetJobState(jobName)
if js == nil {
fmt.Printf("%s does not appear to be running\n", jobName)
syscall.Exit(1)
}
addr := fmt.Sprintf("%s:22", js.MachineState.PublicIP)
var err error
var sshClient *gossh.ClientConn
if tun := getTunnelFlag(); tun != "" {
sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr)
} else {
sshClient, err = ssh.NewSSHClient("core", addr)
}
if err != nil {
log.Fatal(err.Error())
}
defer sshClient.Close()
cmd := fmt.Sprintf("journalctl -u %s --no-pager -l -n %d", jobName, c.Int("lines"))
if c.Bool("follow") {
cmd += " -f"
}
stdout, err := ssh.Execute(sshClient, cmd)
if err != nil {
log.Fatalf("Unable to run command over SSH: %s", err.Error())
}
for true {
bytes, prefix, err := stdout.ReadLine()
if err != nil {
break
}
fmt.Print(string(bytes))
if !prefix {
fmt.Print("\n")
}
}
}
func listUnitsAction(c *cli.Context) {
if !c.Bool("no-legend") {
fmt.Fprintln(out, "UNIT\tLOAD\tACTIVE\tSUB\tDESC\tMACHINE")
}
names, sortable := findAllUnits()
full := c.Bool("full")
for _, name := range sortable {
state := registryCtl.GetJobState(name)
description := names[name]
printJobState(name, description, state, full)
}
out.Flush()
}
func submitUnitsAction(c *cli.Context) {
toSign := c.Bool("sign")
var sc *sign.SignatureCreator
if toSign {
var err error
sc, err = sign.NewSignatureCreatorFromSSHAgent()
if err != nil {
fmt.Println("Fail to create SignatureVerifier:", err)
return
}
}
// First, validate each of the provided payloads
payloads := make([]job.JobPayload, len(c.Args()))
for i, v := range c.Args() {
payload, err := getJobPayloadFromFile(v)
if err != nil {
fmt.Println(err.Error())
return
}
payloads[i] = *payload
}
// Only after all the provided payloads have been validated
// do we push any changes to the Registry
for _, payload := range payloads {
err := registryCtl.CreatePayload(&payload)
if err != nil {
fmt.Printf("Creation of payload %s failed: %v\n", payload.Name, err)
return
}
if toSign {
s, err := sc.SignPayload(&payload)
if err != nil {
fmt.Printf("Creation of sign for payload %s failed: %v\n", payload.Name, err)
return
}
registryCtl.CreateSignatureSet(s)
}
}
}
func listUnitsAction(c *cli.Context) {
r := getRegistry()
if !c.Bool("no-legend") {
fmt.Fprintln(out, "UNIT\tLOAD\tACTIVE\tSUB\tDESC\tMACHINE")
}
names := make(map[string]string, 0)
sortable := make(sort.StringSlice, 0)
for _, p := range r.GetAllPayloads() {
if _, ok := names[p.Name]; !ok {
names[p.Name] = p.Unit.Description()
sortable = append(sortable, p.Name)
}
}
for _, j := range r.GetAllJobs() {
if _, ok := names[j.Name]; !ok {
var description string
if j.Payload != nil {
description = j.Payload.Unit.Description()
}
names[j.Name] = description
sortable = append(sortable, j.Name)
}
}
sortable.Sort()
full := c.Bool("full")
for _, name := range sortable {
state := r.GetJobState(name)
description := names[name]
printJobState(name, description, state, full)
}
out.Flush()
}
func startUnitAction(c *cli.Context) {
var err error
// If signing is explicitly set to on, verification will be done also.
toSign := c.Bool("sign")
var sc *sign.SignatureCreator
var sv *sign.SignatureVerifier
if toSign {
var err error
sc, err = sign.NewSignatureCreatorFromSSHAgent()
if err != nil {
fmt.Println("Fail to create SignatureCreator:", err)
return
}
sv, err = sign.NewSignatureVerifierFromSSHAgent()
if err != nil {
fmt.Println("Fail to create SignatureVerifier:", err)
return
}
}
payloads := make([]job.JobPayload, len(c.Args()))
for i, v := range c.Args() {
name := path.Base(v)
payload := registryCtl.GetPayload(name)
if payload == nil {
payload, err = getJobPayloadFromFile(v)
if err != nil {
fmt.Println(err.Error())
return
}
err = registryCtl.CreatePayload(payload)
if err != nil {
fmt.Printf("Creation of payload %s failed: %v\n", payload.Name, err)
return
}
if toSign {
s, err := sc.SignPayload(payload)
if err != nil {
fmt.Printf("Creation of sign for payload %s failed: %v\n", payload.Name, err)
return
}
registryCtl.CreateSignatureSet(s)
}
}
if toSign {
s := registryCtl.GetSignatureSetOfPayload(name)
ok, err := sv.VerifyPayload(payload, s)
if !ok || err != nil {
fmt.Printf("Check of payload %s failed: %v\n", payload.Name, err)
return
}
}
payloads[i] = *payload
}
requirements := parseRequirements(c.String("require"))
// TODO: This must be done in a transaction!
for _, jp := range payloads {
j := job.NewJob(jp.Name, requirements, &jp, nil)
err := registryCtl.CreateJob(j)
if err != nil {
fmt.Printf("Creation of job %s failed: %v\n", j.Name, err)
}
}
}