Exemple #1
0
func (*StateSuite) TestNameChecks(c *C) {
	assertService := func(s string, expect bool) {
		c.Assert(state.IsServiceName(s), Equals, expect)
		c.Assert(state.IsUnitName(s+"/0"), Equals, expect)
		c.Assert(state.IsUnitName(s+"/99"), Equals, expect)
		c.Assert(state.IsUnitName(s+"/-1"), Equals, false)
		c.Assert(state.IsUnitName(s+"/blah"), Equals, false)
	}
	assertService("", false)
	assertService("33", false)
	assertService("wordpress", true)
	assertService("w0rd-pre55", true)
	assertService("foo2", true)
	assertService("foo-2", false)
	assertService("foo-2foo", true)

	assertMachine := func(s string, expect bool) {
		c.Assert(state.IsMachineId(s), Equals, expect)
	}
	assertMachine("0", true)
	assertMachine("1", true)
	assertMachine("1000001", true)
	assertMachine("01", false)
	assertMachine("-1", false)
	assertMachine("", false)
	assertMachine("cantankerous", false)
}
Exemple #2
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// Init initializes the command for running.
func (a *MachineAgent) Init(args []string) error {
	if !state.IsMachineId(a.MachineId) {
		return fmt.Errorf("--machine-id option must be set, and expects a non-negative integer")
	}
	if err := a.Conf.checkArgs(args); err != nil {
		return err
	}
	a.runner = worker.NewRunner(isFatal, moreImportant)
	return nil
}
Exemple #3
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// Init initializes the command for running.
func (a *MachineAgent) Init(f *gnuflag.FlagSet, args []string) error {
	a.Conf.addFlags(f)
	f.StringVar(&a.MachineId, "machine-id", "", "id of the machine to run")
	if err := f.Parse(true, args); err != nil {
		return err
	}
	if !state.IsMachineId(a.MachineId) {
		return fmt.Errorf("--machine-id option must be set, and expects a non-negative integer")
	}
	return a.Conf.checkArgs(f.Args())
}
Exemple #4
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func verifyConfig(cfg *MachineConfig) (err error) {
	defer trivial.ErrorContextf(&err, "invalid machine configuration")
	if !state.IsMachineId(cfg.MachineId) {
		return fmt.Errorf("invalid machine id")
	}
	if cfg.ProviderType == "" {
		return fmt.Errorf("missing provider type")
	}
	if cfg.DataDir == "" {
		return fmt.Errorf("missing var directory")
	}
	if cfg.Tools == nil {
		return fmt.Errorf("missing tools")
	}
	if cfg.Tools.URL == "" {
		return fmt.Errorf("missing tools URL")
	}
	if cfg.StateInfo == nil {
		return fmt.Errorf("missing state info")
	}
	if len(cfg.StateInfo.CACert) == 0 {
		return fmt.Errorf("missing CA certificate")
	}
	if cfg.StateServer {
		if cfg.InstanceIdAccessor == "" {
			return fmt.Errorf("missing instance id accessor")
		}
		if cfg.Config == nil {
			return fmt.Errorf("missing environment configuration")
		}
		if cfg.StateInfo.EntityName != "" {
			return fmt.Errorf("entity name must be blank when starting a state server")
		}
		if len(cfg.StateServerCert) == 0 {
			return fmt.Errorf("missing state server certificate")
		}
		if len(cfg.StateServerKey) == 0 {
			return fmt.Errorf("missing state server private key")
		}
	} else {
		if len(cfg.StateInfo.Addrs) == 0 {
			return fmt.Errorf("missing state hosts")
		}
		if cfg.StateInfo.EntityName != state.MachineEntityName(cfg.MachineId) {
			return fmt.Errorf("entity name must match started machine")
		}
	}
	for _, r := range cfg.StateInfo.Password {
		if r == '\'' || r == '\\' || r < 32 {
			return fmt.Errorf("password has disallowed characters")
		}
	}
	return nil
}
func (c *DestroyMachineCommand) Init(args []string) error {
	if len(args) == 0 {
		return fmt.Errorf("no machines specified")
	}
	for _, id := range args {
		if !state.IsMachineId(id) {
			return fmt.Errorf("invalid machine id %q", id)
		}
	}
	c.MachineIds = args
	return nil
}
Exemple #6
0
func (c *SSHCommon) hostFromTarget(target string) (string, error) {
	// is the target the id of a machine ?
	if state.IsMachineId(target) {
		log.Infof("looking up address for machine %s...", target)
		// TODO(dfc) maybe we should have machine.PublicAddress() ?
		return c.machinePublicAddress(target)
	}
	// maybe the target is a unit ?
	if state.IsUnitName(target) {
		log.Infof("looking up address for unit %q...", c.Target)
		unit, err := c.State.Unit(target)
		if err != nil {
			return "", err
		}
		addr, ok := unit.PublicAddress()
		if !ok {
			return "", fmt.Errorf("unit %q has no public address", unit)
		}
		return addr, nil
	}
	return "", fmt.Errorf("unknown unit or machine %q", target)
}
Exemple #7
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func verifyConfig(cfg *MachineConfig) (err error) {
	defer utils.ErrorContextf(&err, "invalid machine configuration")
	if !state.IsMachineId(cfg.MachineId) {
		return fmt.Errorf("invalid machine id")
	}
	if cfg.DataDir == "" {
		return fmt.Errorf("missing var directory")
	}
	if cfg.Tools == nil {
		return fmt.Errorf("missing tools")
	}
	if cfg.Tools.URL == "" {
		return fmt.Errorf("missing tools URL")
	}
	if cfg.StateInfo == nil {
		return fmt.Errorf("missing state info")
	}
	if len(cfg.StateInfo.CACert) == 0 {
		return fmt.Errorf("missing CA certificate")
	}
	if cfg.APIInfo == nil {
		return fmt.Errorf("missing API info")
	}
	if len(cfg.APIInfo.CACert) == 0 {
		return fmt.Errorf("missing API CA certificate")
	}
	if cfg.ProviderType == "" {
		return fmt.Errorf("missing provider type")
	}
	if cfg.StateServer {
		if cfg.Config == nil {
			return fmt.Errorf("missing environment configuration")
		}
		if cfg.StateInfo.Tag != "" {
			return fmt.Errorf("entity tag must be blank when starting a state server")
		}
		if cfg.APIInfo.Tag != "" {
			return fmt.Errorf("entity tag must be blank when starting a state server")
		}
		if len(cfg.StateServerCert) == 0 {
			return fmt.Errorf("missing state server certificate")
		}
		if len(cfg.StateServerKey) == 0 {
			return fmt.Errorf("missing state server private key")
		}
		if cfg.StatePort == 0 {
			return fmt.Errorf("missing state port")
		}
		if cfg.APIPort == 0 {
			return fmt.Errorf("missing API port")
		}
	} else {
		if len(cfg.StateInfo.Addrs) == 0 {
			return fmt.Errorf("missing state hosts")
		}
		if cfg.StateInfo.Tag != state.MachineTag(cfg.MachineId) {
			return fmt.Errorf("entity tag must match started machine")
		}
		if len(cfg.APIInfo.Addrs) == 0 {
			return fmt.Errorf("missing API hosts")
		}
		if cfg.APIInfo.Tag != state.MachineTag(cfg.MachineId) {
			return fmt.Errorf("entity tag must match started machine")
		}
	}
	if cfg.MachineNonce == "" {
		return fmt.Errorf("missing machine nonce")
	}
	return nil
}
Exemple #8
0
// AddUnits starts n units of the given service and allocates machines
// to them as necessary.
func (conn *Conn) AddUnits(svc *state.Service, n int, machineIdSpec string) ([]*state.Unit, error) {
	units := make([]*state.Unit, n)
	// Hard code for now till we implement a different approach.
	policy := state.AssignCleanEmpty
	// TODO what do we do if we fail half-way through this process?
	for i := 0; i < n; i++ {
		unit, err := svc.AddUnit()
		if err != nil {
			return nil, fmt.Errorf("cannot add unit %d/%d to service %q: %v", i+1, n, svc.Name(), err)
		}
		if machineIdSpec != "" {
			if n != 1 {
				return nil, fmt.Errorf("cannot add multiple units of service %q to a single machine", svc.Name())
			}
			// machineIdSpec may be an existing machine or container, eg 3/lxc/2
			// or a new container on a machine, eg lxc:3
			mid := machineIdSpec
			var containerType instance.ContainerType
			specParts := strings.Split(machineIdSpec, ":")
			if len(specParts) > 1 {
				firstPart := specParts[0]
				var err error
				if containerType, err = instance.ParseSupportedContainerType(firstPart); err == nil {
					mid = strings.Join(specParts[1:], "/")
				} else {
					mid = machineIdSpec
				}
			}
			if !state.IsMachineId(mid) {
				return nil, fmt.Errorf("invalid force machine id %q", mid)
			}

			var err error
			var m *state.Machine
			// If a container is to be used, create it.
			if containerType != "" {
				params := state.AddMachineParams{
					Series:        unit.Series(),
					ParentId:      mid,
					ContainerType: containerType,
					Jobs:          []state.MachineJob{state.JobHostUnits},
				}
				m, err = conn.State.AddMachineWithConstraints(&params)

			} else {
				m, err = conn.State.Machine(mid)
			}
			if err != nil {
				return nil, fmt.Errorf("cannot assign unit %q to machine: %v", unit.Name(), err)
			}
			err = unit.AssignToMachine(m)

			if err != nil {
				return nil, err
			}
		} else if err := conn.State.AssignUnit(unit, policy); err != nil {
			return nil, err
		}
		units[i] = unit
	}
	return units, nil
}