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prevent some panics in 'service update'

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Signed-off-by: Victor Vieux <vieux@docker.com>
This commit is contained in:
Victor Vieux 2016-06-14 15:37:27 -07:00
parent 93daa10e3e
commit 1d380243fc
2 changed files with 74 additions and 34 deletions
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46
api/client/service/opts.go
View file

@ -440,21 +440,21 @@ func addServiceFlags(cmd *cobra.Command, opts *serviceOptions) {
flags.StringVarP(&opts.user, "user", "u", "", "Username or UID")
flags.VarP(&opts.mounts, flagMount, "m", "Attach a mount to the service")
flags.Var(&opts.resources.limitCPU, "limit-cpu", "Limit CPUs")
flags.Var(&opts.resources.limitMemBytes, "limit-memory", "Limit Memory")
flags.Var(&opts.resources.resCPU, "reserve-cpu", "Reserve CPUs")
flags.Var(&opts.resources.resMemBytes, "reserve-memory", "Reserve Memory")
flags.Var(&opts.resources.limitCPU, flagLimitCPU, "Limit CPUs")
flags.Var(&opts.resources.limitMemBytes, flagLimitMemory, "Limit Memory")
flags.Var(&opts.resources.resCPU, flagReserveCPU, "Reserve CPUs")
flags.Var(&opts.resources.resMemBytes, flagReserveMemory, "Reserve Memory")
flags.Var(&opts.stopGrace, "stop-grace-period", "Time to wait before force killing a container")
flags.StringVar(&opts.mode, flagMode, "replicated", "Service mode (replicated or global)")
flags.Var(&opts.replicas, flagReplicas, "Number of tasks")
flags.StringVar(&opts.restartPolicy.condition, flagRestartCondition, "", "Restart when condition is met (none, on_failure, or any)")
flags.Var(&opts.restartPolicy.delay, "restart-delay", "Delay between restart attempts")
flags.Var(&opts.restartPolicy.maxAttempts, "restart-max-attempts", "Maximum number of restarts before giving up")
flags.Var(&opts.restartPolicy.window, "restart-window", "Window used to evalulate the restart policy")
flags.Var(&opts.restartPolicy.delay, flagRestartDelay, "Delay between restart attempts")
flags.Var(&opts.restartPolicy.maxAttempts, flagRestartMaxAttempts, "Maximum number of restarts before giving up")
flags.Var(&opts.restartPolicy.window, flagRestartWindow, "Window used to evalulate the restart policy")
flags.StringSliceVar(&opts.constraints, "constraint", []string{}, "Placement constraints")
flags.StringSliceVar(&opts.constraints, flagConstraint, []string{}, "Placement constraints")
flags.Uint64Var(&opts.update.parallelism, flagUpdateParallelism, 1, "Maximum number of tasks updated simultaneously")
flags.DurationVar(&opts.update.delay, flagUpdateDelay, time.Duration(0), "Delay between updates")
@ -465,15 +465,23 @@ func addServiceFlags(cmd *cobra.Command, opts *serviceOptions) {
}
const (
flagName = "name"
flagLabel = "label"
flagMount = "mount"
flagMode = "mode"
flagReplicas = "replicas"
flagPublish = "publish"
flagNetwork = "network"
flagRestartCondition = "restart-condition"
flagEndpointMode = "endpoint-mode"
flagUpdateParallelism = "update-parallelism"
flagUpdateDelay = "update-delay"
flagConstraint = "constraint"
flagName = "name"
flagLabel = "label"
flagLimitCPU = "limit-cpu"
flagLimitMemory = "limit-memory"
flagReserveCPU = "reserve-cpu"
flagReserveMemory = "reserve-memory"
flagMount = "mount"
flagMode = "mode"
flagReplicas = "replicas"
flagPublish = "publish"
flagNetwork = "network"
flagRestartCondition = "restart-condition"
flagRestartDelay = "restart-delay"
flagRestartMaxAttempts = "restart-max-attempts"
flagRestartWindow = "restart-window"
flagEndpointMode = "endpoint-mode"
flagUpdateParallelism = "update-parallelism"
flagUpdateDelay = "update-delay"
)

62
api/client/service/update.go
View file

@ -122,28 +122,56 @@ func mergeService(spec *swarm.ServiceSpec, flags *pflag.FlagSet) error {
mergeString("user", &cspec.User)
mergeMounts(flags, &cspec.Mounts)
mergeInt64Value("limit-cpu", &task.Resources.Limits.NanoCPUs)
mergeInt64Value("limit-memory", &task.Resources.Limits.MemoryBytes)
mergeInt64Value("reserve-cpu", &task.Resources.Reservations.NanoCPUs)
mergeInt64Value("reserve-memory", &task.Resources.Reservations.MemoryBytes)
if flags.Changed(flagLimitCPU) || flags.Changed(flagLimitMemory) {
if task.Resources == nil {
task.Resources = &swarm.ResourceRequirements{}
}
task.Resources.Limits = &swarm.Resources{}
mergeInt64Value(flagLimitCPU, &task.Resources.Limits.NanoCPUs)
mergeInt64Value(flagLimitMemory, &task.Resources.Limits.MemoryBytes)
}
if flags.Changed(flagReserveCPU) || flags.Changed(flagReserveMemory) {
if task.Resources == nil {
task.Resources = &swarm.ResourceRequirements{}
}
task.Resources.Reservations = &swarm.Resources{}
mergeInt64Value(flagReserveCPU, &task.Resources.Reservations.NanoCPUs)
mergeInt64Value(flagReserveMemory, &task.Resources.Reservations.MemoryBytes)
}
mergeDurationOpt("stop-grace-period", cspec.StopGracePeriod)
if flags.Changed(flagRestartCondition) {
value, _ := flags.GetString(flagRestartCondition)
task.RestartPolicy.Condition = swarm.RestartPolicyCondition(value)
if flags.Changed(flagRestartCondition) || flags.Changed(flagRestartDelay) || flags.Changed(flagRestartMaxAttempts) || flags.Changed(flagRestartWindow) {
if task.RestartPolicy == nil {
task.RestartPolicy = &swarm.RestartPolicy{}
}
if flags.Changed(flagRestartCondition) {
value, _ := flags.GetString(flagRestartCondition)
task.RestartPolicy.Condition = swarm.RestartPolicyCondition(value)
}
mergeDurationOpt(flagRestartDelay, task.RestartPolicy.Delay)
mergeUint64Opt(flagRestartMaxAttempts, task.RestartPolicy.MaxAttempts)
mergeDurationOpt((flagRestartWindow), task.RestartPolicy.Window)
}
if flags.Changed(flagConstraint) {
task.Placement = &swarm.Placement{}
mergeSlice(flagConstraint, &task.Placement.Constraints)
}
mergeDurationOpt("restart-delay", task.RestartPolicy.Delay)
mergeUint64Opt("restart-max-attempts", task.RestartPolicy.MaxAttempts)
mergeDurationOpt("restart-window", task.RestartPolicy.Window)
mergeSlice("constraint", &task.Placement.Constraints)
if err := mergeMode(flags, &spec.Mode); err != nil {
return err
}
mergeUint64(flagUpdateParallelism, &spec.UpdateConfig.Parallelism)
mergeDuration(flagUpdateDelay, &spec.UpdateConfig.Delay)
if flags.Changed(flagUpdateParallelism) || flags.Changed(flagUpdateDelay) {
if spec.UpdateConfig == nil {
spec.UpdateConfig = &swarm.UpdateConfig{}
}
mergeUint64(flagUpdateParallelism, &spec.UpdateConfig.Parallelism)
mergeDuration(flagUpdateDelay, &spec.UpdateConfig.Delay)
}
mergeNetworks(flags, &spec.Networks)
if flags.Changed(flagEndpointMode) {
@ -151,8 +179,12 @@ func mergeService(spec *swarm.ServiceSpec, flags *pflag.FlagSet) error {
spec.EndpointSpec.Mode = swarm.ResolutionMode(value)
}
mergePorts(flags, &spec.EndpointSpec.Ports)
if flags.Changed(flagPublish) {
if spec.EndpointSpec == nil {
spec.EndpointSpec = &swarm.EndpointSpec{}
}
mergePorts(flags, &spec.EndpointSpec.Ports)
}
return nil
}