func (c *MigrateCommand) Init(args []string) error {
if len(args) == 0 {
return errors.New("missing operation")
}
c.operation, args = args[0], args[1:]
switch c.operation {
case "export":
if len(args) == 0 {
return errors.New("missing model uuid")
}
c.modelUUID, args = args[0], args[1:]
case "import":
if len(args) == 0 {
return errors.New("missing yaml filename")
}
c.filename, args = args[0], args[1:]
default:
return errors.Errorf("unknown operation %q", c.operation)
}
if !names.IsValidMachine(c.machineId) {
return errors.Errorf("%q is not a valid machine id", c.machineId)
}
c.machineTag = names.NewMachineTag(c.machineId)
return cmd.CheckEmpty(args)
}
func (s *machineSuite) TestMachineIdFormats(c *gc.C) {
for i, test := range machineIdTests {
c.Logf("test %d: %q", i, test.pattern)
c.Assert(names.IsValidMachine(test.pattern), gc.Equals, test.valid)
c.Assert(names.IsContainerMachine(test.pattern), gc.Equals, test.container)
}
}
// Init is called by the cmd system to initialize the structure for
// running.
func (a *machineAgentCmd) Init(args []string) error {
if !names.IsValidMachine(a.machineId) {
return fmt.Errorf("--machine-id option must be set, and expects a non-negative integer")
}
if err := a.agentInitializer.CheckArgs(args); err != nil {
return err
}
// Due to changes in the logging, and needing to care about old
// models that have been upgraded, we need to explicitly remove the
// file writer if one has been added, otherwise we will get duplicate
// lines of all logging in the log file.
loggo.RemoveWriter("logfile")
if a.logToStdErr {
return nil
}
err := a.currentConfig.ReadConfig(names.NewMachineTag(a.machineId).String())
if err != nil {
return errors.Annotate(err, "cannot read agent configuration")
}
// the context's stderr is set as the loggo writer in github.com/juju/cmd/logging.go
a.ctx.Stderr = &lumberjack.Logger{
Filename: agent.LogFilename(a.currentConfig.CurrentConfig()),
MaxSize: 300, // megabytes
MaxBackups: 2,
}
return nil
}
// AddUnits starts n units of the given service and allocates machines
// to them as necessary.
func AddUnits(st *state.State, svc *state.Service, n int, machineIdSpec string) ([]*state.Unit, error) {
if machineIdSpec != "" && n != 1 {
return nil, errors.Errorf("cannot add multiple units of service %q to a single machine", svc.Name())
}
var placement []*instance.Placement
if machineIdSpec != "" {
mid := machineIdSpec
scope := instance.MachineScope
var containerType instance.ContainerType
specParts := strings.SplitN(machineIdSpec, ":", 2)
if len(specParts) > 1 {
firstPart := specParts[0]
var err error
if containerType, err = instance.ParseContainerType(firstPart); err == nil {
mid = specParts[1]
scope = string(containerType)
}
}
if !names.IsValidMachine(mid) {
return nil, fmt.Errorf("invalid force machine id %q", mid)
}
placement = []*instance.Placement{
{
Scope: scope,
Directive: mid,
},
}
}
return AddUnitsWithPlacement(st, svc, n, placement)
}
// PrivateAddress implements the server side of Client.PrivateAddress.
func (c *Client) PrivateAddress(p params.PrivateAddress) (results params.PrivateAddressResults, err error) {
switch {
case names.IsValidMachine(p.Target):
machine, err := c.api.stateAccessor.Machine(p.Target)
if err != nil {
return results, err
}
addr, err := machine.PrivateAddress()
if err != nil {
return results, errors.Annotatef(err, "error fetching address for machine %q", machine)
}
return params.PrivateAddressResults{PrivateAddress: addr.Value}, nil
case names.IsValidUnit(p.Target):
unit, err := c.api.stateAccessor.Unit(p.Target)
if err != nil {
return results, err
}
addr, err := unit.PrivateAddress()
if err != nil {
return results, errors.Annotatef(err, "error fetching address for unit %q", unit)
}
return params.PrivateAddressResults{PrivateAddress: addr.Value}, nil
}
return results, fmt.Errorf("unknown unit or machine %q", p.Target)
}
func (c *SSHCommon) hostFromTarget(target string) (string, error) {
// If the target is neither a machine nor a unit,
// assume it's a hostname and try it directly.
if !names.IsValidMachine(target) && !names.IsValidUnit(target) {
return target, nil
}
// A target may not initially have an address (e.g. the
// address updater hasn't yet run), so we must do this in
// a loop.
if _, err := c.ensureAPIClient(); err != nil {
return "", err
}
var err error
for a := sshHostFromTargetAttemptStrategy.Start(); a.Next(); {
var addr string
if c.proxy {
addr, err = c.apiClient.PrivateAddress(target)
} else {
addr, err = c.apiClient.PublicAddress(target)
}
if err == nil {
return addr, nil
}
}
return "", err
}
// PrivateAddress implements the server side of Client.PrivateAddress.
func (c *Client) PrivateAddress(p params.PrivateAddress) (results params.PrivateAddressResults, err error) {
switch {
case names.IsValidMachine(p.Target):
machine, err := c.api.state.Machine(p.Target)
if err != nil {
return results, err
}
addr := network.SelectInternalAddress(machine.Addresses(), false)
if addr == "" {
return results, fmt.Errorf("machine %q has no internal address", machine)
}
return params.PrivateAddressResults{PrivateAddress: addr}, nil
case names.IsValidUnit(p.Target):
unit, err := c.api.state.Unit(p.Target)
if err != nil {
return results, err
}
addr, ok := unit.PrivateAddress()
if !ok {
return results, fmt.Errorf("unit %q has no internal address", unit)
}
return params.PrivateAddressResults{PrivateAddress: addr}, nil
}
return results, fmt.Errorf("unknown unit or machine %q", p.Target)
}
// addServiceUnits adds a given number of units to a service.
func addServiceUnits(state *state.State, args params.AddServiceUnits) ([]*state.Unit, error) {
service, err := state.Service(args.ServiceName)
if err != nil {
return nil, err
}
if args.NumUnits < 1 {
return nil, fmt.Errorf("must add at least one unit")
}
// New API uses placement directives.
if len(args.Placement) > 0 {
return jjj.AddUnitsWithPlacement(state, service, args.NumUnits, args.Placement)
}
// Otherwise we use the older machine spec.
if args.NumUnits > 1 && args.ToMachineSpec != "" {
return nil, fmt.Errorf("cannot use NumUnits with ToMachineSpec")
}
if args.ToMachineSpec != "" && names.IsValidMachine(args.ToMachineSpec) {
_, err = state.Machine(args.ToMachineSpec)
if err != nil {
return nil, errors.Annotatef(err, `cannot add units for service "%v" to machine %v`, args.ServiceName, args.ToMachineSpec)
}
}
return jjj.AddUnits(state, service, args.NumUnits, args.ToMachineSpec)
}
// makePlacement makes a placement directive for the given machineIdSpec.
func makePlacement(machineIdSpec string) ([]*instance.Placement, error) {
if machineIdSpec == "" {
return nil, nil
}
mid := machineIdSpec
scope := instance.MachineScope
var containerType instance.ContainerType
specParts := strings.SplitN(machineIdSpec, ":", 2)
if len(specParts) > 1 {
firstPart := specParts[0]
var err error
if containerType, err = instance.ParseContainerType(firstPart); err == nil {
mid = specParts[1]
scope = string(containerType)
}
}
if !names.IsValidMachine(mid) {
return nil, errors.Errorf("invalid force machine id %q", mid)
}
return []*instance.Placement{
{
Scope: scope,
Directive: mid,
},
}, nil
}
// ParseFilesystemAttachmentId parses a string as a filesystem attachment ID,
// returning the machine and filesystem components.
func ParseFilesystemAttachmentId(id string) (names.MachineTag, names.FilesystemTag, error) {
fields := strings.SplitN(id, ":", 2)
if len(fields) != 2 || !names.IsValidMachine(fields[0]) || !names.IsValidFilesystem(fields[1]) {
return names.MachineTag{}, names.FilesystemTag{}, errors.Errorf("invalid filesystem attachment ID %q", id)
}
machineTag := names.NewMachineTag(fields[0])
filesystemTag := names.NewFilesystemTag(fields[1])
return machineTag, filesystemTag, nil
}
// ParseVolumeAttachmentId parses a string as a volume attachment ID,
// returning the machine and volume components.
func ParseVolumeAttachmentId(id string) (names.MachineTag, names.VolumeTag, error) {
fields := strings.SplitN(id, ":", 2)
if len(fields) != 2 || !names.IsValidMachine(fields[0]) || !names.IsValidVolume(fields[1]) {
return names.MachineTag{}, names.VolumeTag{}, errors.Errorf("invalid volume attachment ID %q", id)
}
machineTag := names.NewMachineTag(fields[0])
volumeTag := names.NewVolumeTag(fields[1])
return machineTag, volumeTag, nil
}
func targetToTag(target string) (names.Tag, error) {
switch {
case names.IsValidMachine(target):
return names.NewMachineTag(target), nil
case names.IsValidUnit(target):
return names.NewUnitTag(target), nil
default:
return nil, errors.NotValidf("target %q", target)
}
}
func (c *removeCommand) Init(args []string) error {
if len(args) == 0 {
return fmt.Errorf("no machines specified")
}
for _, id := range args {
if !names.IsValidMachine(id) {
return fmt.Errorf("invalid machine id %q", id)
}
}
c.MachineIds = args
return nil
}
// Init initializes the command for running.
func (a *MachineAgent) Init(args []string) error {
if !names.IsValidMachine(a.MachineId) {
return fmt.Errorf("--machine-id option must be set, and expects a non-negative integer")
}
if err := a.AgentConf.CheckArgs(args); err != nil {
return err
}
a.runner = newRunner(isFatal, moreImportant)
a.workersStarted = make(chan struct{})
a.upgradeWorkerContext = NewUpgradeWorkerContext()
return nil
}
func (c *FixitCommand) Init(args []string) error {
if len(args) == 0 {
return errors.New("missing machine-id")
}
var machineId string
machineId, args = args[0], args[1:]
if !names.IsValidMachine(machineId) {
return errors.Errorf("%q is not a valid machine id", machineId)
}
c.machineTag = names.NewMachineTag(machineId)
return cmd.CheckEmpty(args)
}
func (c *RetryProvisioningCommand) Init(args []string) error {
if len(args) == 0 {
return fmt.Errorf("no machine specified")
}
c.Machines = make([]names.MachineTag, len(args))
for i, arg := range args {
if !names.IsValidMachine(arg) {
return fmt.Errorf("invalid machine %q", arg)
}
c.Machines[i] = names.NewMachineTag(arg)
}
return nil
}
// ParsePlacement attempts to parse the specified string and create a
// corresponding Placement structure.
//
// If the placement directive is non-empty and missing a scope,
// ErrPlacementScopeMissing will be returned as well as a Placement
// with an empty Scope field.
func ParsePlacement(directive string) (*Placement, error) {
if directive == "" {
return nil, nil
}
if colon := strings.IndexRune(directive, ':'); colon != -1 {
scope, directive := directive[:colon], directive[colon+1:]
if scope == "" {
return nil, ErrPlacementScopeMissing
}
// Sanity check: machine/container scopes require a machine ID as the value.
if (scope == MachineScope || isContainerType(scope)) && !names.IsValidMachine(directive) {
return nil, fmt.Errorf("invalid value %q for %q scope: expected machine-id", directive, scope)
}
return &Placement{Scope: scope, Directive: directive}, nil
}
if names.IsValidMachine(directive) {
return &Placement{Scope: MachineScope, Directive: directive}, nil
}
if isContainerType(directive) {
return &Placement{Scope: directive}, nil
}
return nil, ErrPlacementScopeMissing
}
func matchMachineId(m *state.Machine, patterns []string) (bool, bool, error) {
var anyValid bool
for _, p := range patterns {
if !names.IsValidMachine(p) {
continue
}
anyValid = true
if m.Id() == p || strings.HasPrefix(m.Id(), p+"/") {
// Pattern matches the machine, or container's
// host machine.
return true, true, nil
}
}
return false, anyValid, nil
}
// NewAPI returns a new API client for the Singular facade. It exposes methods
// for claiming and observing administration responsibility for the apiCaller's
// model, on behalf of the supplied controller machine.
func NewAPI(apiCaller base.APICaller, controllerTag names.MachineTag) (*API, error) {
controllerId := controllerTag.Id()
if !names.IsValidMachine(controllerId) {
return nil, errors.NotValidf("controller tag")
}
modelTag, err := apiCaller.ModelTag()
if err != nil {
return nil, errors.Trace(err)
}
facadeCaller := base.NewFacadeCaller(apiCaller, "Singular")
return &API{
modelTag: modelTag,
controllerTag: controllerTag,
facadeCaller: facadeCaller,
}, nil
}
func (c *retryProvisioningCommand) Init(args []string) error {
if len(args) == 0 {
return errors.Errorf("no machine specified")
}
c.Machines = make([]names.MachineTag, len(args))
for i, arg := range args {
if !names.IsValidMachine(arg) {
return errors.Errorf("invalid machine %q", arg)
}
if names.IsContainerMachine(arg) {
return errors.Errorf("invalid machine %q retry-provisioning does not support containers", arg)
}
c.Machines[i] = names.NewMachineTag(arg)
}
return nil
}
func (c *RunCommand) Init(args []string) error {
if len(args) == 0 {
return fmt.Errorf("no commands specified")
}
c.commands, args = args[0], args[1:]
if c.all {
if len(c.machines) != 0 {
return fmt.Errorf("You cannot specify --all and individual machines")
}
if len(c.services) != 0 {
return fmt.Errorf("You cannot specify --all and individual services")
}
if len(c.units) != 0 {
return fmt.Errorf("You cannot specify --all and individual units")
}
} else {
if len(c.machines) == 0 && len(c.services) == 0 && len(c.units) == 0 {
return fmt.Errorf("You must specify a target, either through --all, --machine, --service or --unit")
}
}
var nameErrors []string
for _, machineId := range c.machines {
if !names.IsValidMachine(machineId) {
nameErrors = append(nameErrors, fmt.Sprintf(" %q is not a valid machine id", machineId))
}
}
for _, service := range c.services {
if !names.IsValidService(service) {
nameErrors = append(nameErrors, fmt.Sprintf(" %q is not a valid service name", service))
}
}
for _, unit := range c.units {
if !names.IsValidUnit(unit) {
nameErrors = append(nameErrors, fmt.Sprintf(" %q is not a valid unit name", unit))
}
}
if len(nameErrors) > 0 {
return fmt.Errorf("The following run targets are not valid:\n%s",
strings.Join(nameErrors, "\n"))
}
return cmd.CheckEmpty(args)
}
// addServiceUnits adds a given number of units to a service.
func addServiceUnits(state *state.State, args params.AddServiceUnits) ([]*state.Unit, error) {
service, err := state.Service(args.ServiceName)
if err != nil {
return nil, err
}
if args.NumUnits < 1 {
return nil, fmt.Errorf("must add at least one unit")
}
if args.NumUnits > 1 && args.ToMachineSpec != "" {
return nil, fmt.Errorf("cannot use NumUnits with ToMachineSpec")
}
if args.ToMachineSpec != "" && names.IsValidMachine(args.ToMachineSpec) {
_, err = state.Machine(args.ToMachineSpec)
if err != nil {
return nil, errors.Annotatef(err, `cannot add units for service "%v" to machine %v`, args.ServiceName, args.ToMachineSpec)
}
}
return jjj.AddUnits(state, service, args.NumUnits, args.ToMachineSpec)
}
// Run the commands specified on the machines identified through the
// list of machines, units and services.
func (a *ActionAPI) Run(run params.RunParams) (results params.ActionResults, err error) {
if err := a.check.ChangeAllowed(); err != nil {
return results, errors.Trace(err)
}
units, err := getAllUnitNames(a.state, run.Units, run.Services)
if err != nil {
return results, errors.Trace(err)
}
machines := make([]names.Tag, len(run.Machines))
for i, machineId := range run.Machines {
if !names.IsValidMachine(machineId) {
return results, errors.Errorf("invalid machine id %q", machineId)
}
machines[i] = names.NewMachineTag(machineId)
}
actionParams := a.createActionsParams(append(units, machines...), run.Commands, run.Timeout)
return queueActions(a, actionParams)
}
// Init implements cmd.Command.
func (c *dumpLogsCommand) Init(args []string) error {
err := c.agentConfig.CheckArgs(args)
if err != nil {
return errors.Trace(err)
}
if c.machineId == "" {
machineId, err := c.findMachineId(c.agentConfig.DataDir())
if err != nil {
return errors.Trace(err)
}
c.machineId = machineId
} else if !names.IsValidMachine(c.machineId) {
return errors.New("--machine-id option expects a non-negative integer")
}
err = c.agentConfig.ReadConfig(names.NewMachineTag(c.machineId).String())
if err != nil {
return errors.Trace(err)
}
return nil
}
func (cfg *InstanceConfig) VerifyConfig() (err error) {
defer errors.DeferredAnnotatef(&err, "invalid machine configuration")
if !names.IsValidMachine(cfg.MachineId) {
return errors.New("invalid machine id")
}
if cfg.DataDir == "" {
return errors.New("missing var directory")
}
if cfg.LogDir == "" {
return errors.New("missing log directory")
}
if cfg.MetricsSpoolDir == "" {
return errors.New("missing metrics spool directory")
}
if len(cfg.Jobs) == 0 {
return errors.New("missing machine jobs")
}
if cfg.CloudInitOutputLog == "" {
return errors.New("missing cloud-init output log path")
}
if cfg.tools == nil {
// SetTools() has never been called successfully.
return errors.New("missing tools")
}
// We don't need to check cfg.toolsURLs since SetTools() does.
if cfg.MongoInfo == nil {
return errors.New("missing state info")
}
if len(cfg.MongoInfo.CACert) == 0 {
return errors.New("missing CA certificate")
}
if cfg.APIInfo == nil {
return errors.New("missing API info")
}
if cfg.APIInfo.ModelTag.Id() == "" {
return errors.New("missing model tag")
}
if len(cfg.APIInfo.CACert) == 0 {
return errors.New("missing API CA certificate")
}
if cfg.MachineAgentServiceName == "" {
return errors.New("missing machine agent service name")
}
if cfg.Bootstrap {
if cfg.Config == nil {
return errors.New("missing model configuration")
}
if cfg.MongoInfo.Tag != nil {
return errors.New("entity tag must be nil when starting a controller")
}
if cfg.APIInfo.Tag != nil {
return errors.New("entity tag must be nil when starting a controller")
}
if cfg.StateServingInfo == nil {
return errors.New("missing state serving info")
}
if len(cfg.StateServingInfo.Cert) == 0 {
return errors.New("missing controller certificate")
}
if len(cfg.StateServingInfo.PrivateKey) == 0 {
return errors.New("missing controller private key")
}
if len(cfg.StateServingInfo.CAPrivateKey) == 0 {
return errors.New("missing ca cert private key")
}
if cfg.StateServingInfo.StatePort == 0 {
return errors.New("missing state port")
}
if cfg.StateServingInfo.APIPort == 0 {
return errors.New("missing API port")
}
if cfg.InstanceId == "" {
return errors.New("missing instance-id")
}
if len(cfg.HostedModelConfig) == 0 {
return errors.New("missing hosted model config")
}
} else {
if len(cfg.MongoInfo.Addrs) == 0 {
return errors.New("missing state hosts")
}
if cfg.MongoInfo.Tag != names.NewMachineTag(cfg.MachineId) {
return errors.New("entity tag must match started machine")
}
if len(cfg.APIInfo.Addrs) == 0 {
return errors.New("missing API hosts")
}
if cfg.APIInfo.Tag != names.NewMachineTag(cfg.MachineId) {
return errors.New("entity tag must match started machine")
}
if cfg.StateServingInfo != nil {
return errors.New("state serving info unexpectedly present")
}
if len(cfg.HostedModelConfig) != 0 {
return errors.New("hosted model config unexpectedly present")
}
}
if cfg.MachineNonce == "" {
return errors.New("missing machine nonce")
}
return nil
}
// DeployService fetches the charm from the charm store and deploys it.
// The logic has been factored out into a common function which is called by
// both the legacy API on the client facade, as well as the new service facade.
func DeployService(st *state.State, owner string, args params.ServiceDeploy) error {
curl, err := charm.ParseURL(args.CharmUrl)
if err != nil {
return errors.Trace(err)
}
if curl.Revision < 0 {
return errors.Errorf("charm url must include revision")
}
if args.ToMachineSpec != "" && names.IsValidMachine(args.ToMachineSpec) {
_, err = st.Machine(args.ToMachineSpec)
if err != nil {
return errors.Annotatef(err, `cannot deploy "%v" to machine %v`, args.ServiceName, args.ToMachineSpec)
}
}
// Try to find the charm URL in state first.
ch, err := st.Charm(curl)
if errors.IsNotFound(err) {
// Clients written to expect 1.16 compatibility require this next block.
if curl.Schema != "cs" {
return errors.Errorf(`charm url has unsupported schema %q`, curl.Schema)
}
if err = AddCharmWithAuthorization(st, params.AddCharmWithAuthorization{
URL: args.CharmUrl,
}); err == nil {
ch, err = st.Charm(curl)
}
}
if err != nil {
return errors.Trace(err)
}
var settings charm.Settings
if len(args.ConfigYAML) > 0 {
settings, err = ch.Config().ParseSettingsYAML([]byte(args.ConfigYAML), args.ServiceName)
} else if len(args.Config) > 0 {
// Parse config in a compatible way (see function comment).
settings, err = parseSettingsCompatible(ch, args.Config)
}
if err != nil {
return errors.Trace(err)
}
// Convert network tags to names for any given networks.
requestedNetworks, err := networkTagsToNames(args.Networks)
if err != nil {
return errors.Trace(err)
}
_, err = jjj.DeployService(st,
jjj.DeployServiceParams{
ServiceName: args.ServiceName,
// TODO(dfc) ServiceOwner should be a tag
ServiceOwner: owner,
Charm: ch,
NumUnits: args.NumUnits,
ConfigSettings: settings,
Constraints: args.Constraints,
ToMachineSpec: args.ToMachineSpec,
Networks: requestedNetworks,
Storage: args.Storage,
})
return err
}
// AddUnits starts n units of the given service and allocates machines
// to them as necessary.
func AddUnits(st *state.State, 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
// All units should have the same networks as the service.
networks, err := svc.Networks()
if err != nil {
return nil, fmt.Errorf("cannot get service %q networks: %v", svc.Name(), err)
}
// 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.SplitN(machineIdSpec, ":", 2)
if len(specParts) > 1 {
firstPart := specParts[0]
var err error
if containerType, err = instance.ParseContainerType(firstPart); err == nil {
mid = specParts[1]
} else {
mid = machineIdSpec
}
}
if !names.IsValidMachine(mid) {
return nil, fmt.Errorf("invalid force machine id %q", mid)
}
var unitCons *constraints.Value
unitCons, err = unit.Constraints()
if err != nil {
return nil, err
}
var err error
var m *state.Machine
// If a container is to be used, create it.
if containerType != "" {
// Create the new machine marked as dirty so that
// nothing else will grab it before we assign the unit to it.
template := state.MachineTemplate{
Series: unit.Series(),
Jobs: []state.MachineJob{state.JobHostUnits},
Dirty: true,
Constraints: *unitCons,
RequestedNetworks: networks,
}
m, err = st.AddMachineInsideMachine(template, mid, containerType)
} else {
m, err = st.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 := st.AssignUnit(unit, policy); err != nil {
return nil, err
}
units[i] = unit
}
return units, nil
}
func (cfg *InstanceConfig) VerifyConfig() (err error) {
defer errors.DeferredAnnotatef(&err, "invalid machine configuration")
if !names.IsValidMachine(cfg.MachineId) {
return errors.New("invalid machine id")
}
if cfg.DataDir == "" {
return errors.New("missing var directory")
}
if cfg.LogDir == "" {
return errors.New("missing log directory")
}
if len(cfg.Jobs) == 0 {
return errors.New("missing machine jobs")
}
if cfg.CloudInitOutputLog == "" {
return errors.New("missing cloud-init output log path")
}
if cfg.Tools == nil {
return errors.New("missing tools")
}
if cfg.Tools.URL == "" {
return errors.New("missing tools URL")
}
if cfg.MongoInfo == nil {
return errors.New("missing state info")
}
if len(cfg.MongoInfo.CACert) == 0 {
return errors.New("missing CA certificate")
}
if cfg.APIInfo == nil {
return errors.New("missing API info")
}
if cfg.APIInfo.EnvironTag.Id() == "" {
return errors.New("missing environment tag")
}
if len(cfg.APIInfo.CACert) == 0 {
return errors.New("missing API CA certificate")
}
if cfg.MachineAgentServiceName == "" {
return errors.New("missing machine agent service name")
}
if cfg.Bootstrap {
if cfg.Config == nil {
return errors.New("missing environment configuration")
}
if cfg.MongoInfo.Tag != nil {
return errors.New("entity tag must be nil when starting a state server")
}
if cfg.APIInfo.Tag != nil {
return errors.New("entity tag must be nil when starting a state server")
}
if cfg.StateServingInfo == nil {
return errors.New("missing state serving info")
}
if len(cfg.StateServingInfo.Cert) == 0 {
return errors.New("missing state server certificate")
}
if len(cfg.StateServingInfo.PrivateKey) == 0 {
return errors.New("missing state server private key")
}
if len(cfg.StateServingInfo.CAPrivateKey) == 0 {
return errors.New("missing ca cert private key")
}
if cfg.StateServingInfo.StatePort == 0 {
return errors.New("missing state port")
}
if cfg.StateServingInfo.APIPort == 0 {
return errors.New("missing API port")
}
if cfg.InstanceId == "" {
return errors.New("missing instance-id")
}
} else {
if len(cfg.MongoInfo.Addrs) == 0 {
return errors.New("missing state hosts")
}
if cfg.MongoInfo.Tag != names.NewMachineTag(cfg.MachineId) {
return errors.New("entity tag must match started machine")
}
if len(cfg.APIInfo.Addrs) == 0 {
return errors.New("missing API hosts")
}
if cfg.APIInfo.Tag != names.NewMachineTag(cfg.MachineId) {
return errors.New("entity tag must match started machine")
}
if cfg.StateServingInfo != nil {
return errors.New("state serving info unexpectedly present")
}
}
if cfg.MachineNonce == "" {
return errors.New("missing machine nonce")
}
return nil
}
// ServiceDeploy fetches the charm from the charm store and deploys it.
// AddCharm or AddLocalCharm should be called to add the charm
// before calling ServiceDeploy, although for backward compatibility
// this is not necessary until 1.16 support is removed.
func (c *Client) ServiceDeploy(args params.ServiceDeploy) error {
curl, err := charm.ParseURL(args.CharmUrl)
if err != nil {
return err
}
if curl.Revision < 0 {
return fmt.Errorf("charm url must include revision")
}
if args.ToMachineSpec != "" && names.IsValidMachine(args.ToMachineSpec) {
_, err = c.api.state.Machine(args.ToMachineSpec)
if err != nil {
return fmt.Errorf(`cannot deploy "%v" to machine %v: %v`, args.ServiceName, args.ToMachineSpec, err)
}
}
// Try to find the charm URL in state first.
ch, err := c.api.state.Charm(curl)
if errors.IsNotFound(err) {
// Remove this whole if block when 1.16 compatibility is dropped.
if curl.Schema != "cs" {
return fmt.Errorf(`charm url has unsupported schema %q`, curl.Schema)
}
err = c.AddCharm(params.CharmURL{args.CharmUrl})
if err != nil {
return err
}
ch, err = c.api.state.Charm(curl)
if err != nil {
return err
}
} else if err != nil {
return err
}
var settings charm.Settings
if len(args.ConfigYAML) > 0 {
settings, err = ch.Config().ParseSettingsYAML([]byte(args.ConfigYAML), args.ServiceName)
} else if len(args.Config) > 0 {
// Parse config in a compatile way (see function comment).
settings, err = parseSettingsCompatible(ch, args.Config)
}
if err != nil {
return err
}
// Convert network tags to names for any given networks.
requestedNetworks, err := networkTagsToNames(args.Networks)
if err != nil {
return err
}
_, err = juju.DeployService(c.api.state,
juju.DeployServiceParams{
ServiceName: args.ServiceName,
// TODO(dfc) ServiceOwner should be a tag
ServiceOwner: c.api.auth.GetAuthTag().String(),
Charm: ch,
NumUnits: args.NumUnits,
ConfigSettings: settings,
Constraints: args.Constraints,
ToMachineSpec: args.ToMachineSpec,
Networks: requestedNetworks,
})
return err
}