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Merge pull request #18073 from runcom/hostconfig-resources

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runconfig: split resources into a struct
This commit is contained in:
Vincent Demeester 2015-11-20 20:29:44 +01:00
commit f064b9941c
4 changed files with 79 additions and 61 deletions
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14
builder/dockerfile/internals.go
View file

@ -498,19 +498,23 @@ func (b *Builder) create() (*daemon.Container, error) {
}
b.runConfig.Image = b.image
// TODO: why not embed a hostconfig in builder?
hostConfig := &runconfig.HostConfig{
resources := runconfig.Resources{
CgroupParent: b.CgroupParent,
CPUShares: b.CPUShares,
CPUPeriod: b.CPUPeriod,
CPUQuota: b.CPUQuota,
CpusetCpus: b.CPUSetCpus,
CpusetMems: b.CPUSetMems,
CgroupParent: b.CgroupParent,
Memory: b.Memory,
MemorySwap: b.MemorySwap,
ShmSize: b.ShmSize,
Ulimits: b.Ulimits,
Isolation: b.Isolation,
}
// TODO: why not embed a hostconfig in builder?
hostConfig := &runconfig.HostConfig{
Isolation: b.Isolation,
ShmSize: b.ShmSize,
Resources: resources,
}
config := *b.runConfig

4
daemon/daemon_unix_test.go
View file

@ -22,7 +22,7 @@ func TestAdjustCPUShares(t *testing.T) {
}
hostConfig := &runconfig.HostConfig{
CPUShares: linuxMinCPUShares - 1,
Resources: runconfig.Resources{CPUShares: linuxMinCPUShares - 1},
}
daemon.adaptContainerSettings(hostConfig, true)
if hostConfig.CPUShares != linuxMinCPUShares {
@ -60,7 +60,7 @@ func TestAdjustCPUSharesNoAdjustment(t *testing.T) {
}
hostConfig := &runconfig.HostConfig{
CPUShares: linuxMinCPUShares - 1,
Resources: runconfig.Resources{CPUShares: linuxMinCPUShares - 1},
}
daemon.adaptContainerSettings(hostConfig, false)
if hostConfig.CPUShares != linuxMinCPUShares-1 {

74
runconfig/hostconfig.go
View file

@ -165,6 +165,28 @@ type LogConfig struct {
Config map[string]string
}
// Resources contains container's resources (cgroups config, ulimits...)
type Resources struct {
// Applicable to all platforms
CPUShares int64 `json:"CpuShares"` // CPU shares (relative weight vs. other containers)
// Applicable to UNIX platforms
CgroupParent string // Parent cgroup.
BlkioWeight uint16 // Block IO weight (relative weight vs. other containers)
BlkioWeightDevice []*blkiodev.WeightDevice
CPUPeriod int64 `json:"CpuPeriod"` // CPU CFS (Completely Fair Scheduler) period
CPUQuota int64 `json:"CpuQuota"` // CPU CFS (Completely Fair Scheduler) quota
CpusetCpus string // CpusetCpus 0-2, 0,1
CpusetMems string // CpusetMems 0-2, 0,1
Devices []DeviceMapping // List of devices to map inside the container
KernelMemory int64 // Kernel memory limit (in bytes)
Memory int64 // Memory limit (in bytes)
MemoryReservation int64 // Memory soft limit (in bytes)
MemorySwap int64 // Total memory usage (memory + swap); set `-1` to disable swap
MemorySwappiness *int64 // Tuning container memory swappiness behaviour
Ulimits []*ulimit.Ulimit // List of ulimits to be set in the container
}
// HostConfig the non-portable Config structure of a container.
// Here, "non-portable" means "dependent of the host we are running on".
// Portable information *should* appear in Config.
@ -172,7 +194,6 @@ type HostConfig struct {
// Applicable to all platforms
Binds []string // List of volume bindings for this container
ContainerIDFile string // File (path) where the containerId is written
CPUShares int64 `json:"CpuShares"` // CPU shares (relative weight vs. other containers)
LogConfig LogConfig // Configuration of the logs for this container
NetworkMode NetworkMode // Network mode to use for the container
PortBindings nat.PortMap // Port mapping between the exposed port (container) and the host
@ -181,41 +202,30 @@ type HostConfig struct {
VolumesFrom []string // List of volumes to take from other container
// Applicable to UNIX platforms
BlkioWeight uint16 // Block IO weight (relative weight vs. other containers)
BlkioWeightDevice []*blkiodev.WeightDevice
CapAdd *stringutils.StrSlice // List of kernel capabilities to add to the container
CapDrop *stringutils.StrSlice // List of kernel capabilities to remove from the container
CgroupParent string // Parent cgroup.
CPUPeriod int64 `json:"CpuPeriod"` // CPU CFS (Completely Fair Scheduler) period
CPUQuota int64 `json:"CpuQuota"` // CPU CFS (Completely Fair Scheduler) quota
CpusetCpus string // CpusetCpus 0-2, 0,1
CpusetMems string // CpusetMems 0-2, 0,1
Devices []DeviceMapping // List of devices to map inside the container
DNS []string `json:"Dns"` // List of DNS server to lookup
DNSOptions []string `json:"DnsOptions"` // List of DNSOption to look for
DNSSearch []string `json:"DnsSearch"` // List of DNSSearch to look for
ExtraHosts []string // List of extra hosts
GroupAdd []string // List of additional groups that the container process will run as
IpcMode IpcMode // IPC namespace to use for the container
KernelMemory int64 // Kernel memory limit (in bytes)
Links []string // List of links (in the name:alias form)
Memory int64 // Memory limit (in bytes)
MemoryReservation int64 // Memory soft limit (in bytes)
MemorySwap int64 // Total memory usage (memory + swap); set `-1` to disable swap
MemorySwappiness *int64 // Tuning container memory swappiness behaviour
OomKillDisable bool // Whether to disable OOM Killer or not
PidMode PidMode // PID namespace to use for the container
Privileged bool // Is the container in privileged mode
PublishAllPorts bool // Should docker publish all exposed port for the container
ReadonlyRootfs bool // Is the container root filesystem in read-only
SecurityOpt []string // List of string values to customize labels for MLS systems, such as SELinux.
Ulimits []*ulimit.Ulimit // List of ulimits to be set in the container
UTSMode UTSMode // UTS namespace to use for the container
ShmSize int64 // Total shm memory usage
CapAdd *stringutils.StrSlice // List of kernel capabilities to add to the container
CapDrop *stringutils.StrSlice // List of kernel capabilities to remove from the container
DNS []string `json:"Dns"` // List of DNS server to lookup
DNSOptions []string `json:"DnsOptions"` // List of DNSOption to look for
DNSSearch []string `json:"DnsSearch"` // List of DNSSearch to look for
ExtraHosts []string // List of extra hosts
GroupAdd []string // List of additional groups that the container process will run as
IpcMode IpcMode // IPC namespace to use for the container
Links []string // List of links (in the name:alias form)
OomKillDisable bool // Whether to disable OOM Killer or not
PidMode PidMode // PID namespace to use for the container
Privileged bool // Is the container in privileged mode
PublishAllPorts bool // Should docker publish all exposed port for the container
ReadonlyRootfs bool // Is the container root filesystem in read-only
SecurityOpt []string // List of string values to customize labels for MLS systems, such as SELinux.
UTSMode UTSMode // UTS namespace to use for the container
ShmSize int64 // Total shm memory usage
// Applicable to Windows
ConsoleSize [2]int // Initial console size
Isolation IsolationLevel // Isolation level of the container (eg default, hyperv)
// Contains container's resources (cgroups, ulimits)
Resources
}
// DecodeHostConfig creates a HostConfig based on the specified Reader.

48
runconfig/parse.go
View file

@ -323,6 +323,24 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
return nil, nil, cmd, err
}
resources := Resources{
CgroupParent: *flCgroupParent,
Memory: flMemory,
MemoryReservation: MemoryReservation,
MemorySwap: memorySwap,
MemorySwappiness: flSwappiness,
KernelMemory: KernelMemory,
CPUShares: *flCPUShares,
CPUPeriod: *flCPUPeriod,
CpusetCpus: *flCpusetCpus,
CpusetMems: *flCpusetMems,
CPUQuota: *flCPUQuota,
BlkioWeight: *flBlkioWeight,
BlkioWeightDevice: flBlkioWeightDevice.GetList(),
Ulimits: flUlimits.GetList(),
Devices: deviceMappings,
}
config := &Config{
Hostname: hostname,
Domainname: domainname,
@ -349,25 +367,13 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
}
hostConfig := &HostConfig{
Binds: binds,
ContainerIDFile: *flContainerIDFile,
Memory: flMemory,
MemoryReservation: MemoryReservation,
MemorySwap: memorySwap,
KernelMemory: KernelMemory,
CPUShares: *flCPUShares,
CPUPeriod: *flCPUPeriod,
CpusetCpus: *flCpusetCpus,
CpusetMems: *flCpusetMems,
CPUQuota: *flCPUQuota,
BlkioWeight: *flBlkioWeight,
BlkioWeightDevice: flBlkioWeightDevice.GetList(),
OomKillDisable: *flOomKillDisable,
MemorySwappiness: flSwappiness,
Privileged: *flPrivileged,
PortBindings: portBindings,
Links: flLinks.GetAll(),
PublishAllPorts: *flPublishAll,
Binds: binds,
ContainerIDFile: *flContainerIDFile,
OomKillDisable: *flOomKillDisable,
Privileged: *flPrivileged,
PortBindings: portBindings,
Links: flLinks.GetAll(),
PublishAllPorts: *flPublishAll,
// Make sure the dns fields are never nil.
// New containers don't ever have those fields nil,
// but pre created containers can still have those nil values.
@ -382,19 +388,17 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
IpcMode: ipcMode,
PidMode: pidMode,
UTSMode: utsMode,
Devices: deviceMappings,
CapAdd: stringutils.NewStrSlice(flCapAdd.GetAll()...),
CapDrop: stringutils.NewStrSlice(flCapDrop.GetAll()...),
GroupAdd: flGroupAdd.GetAll(),
RestartPolicy: restartPolicy,
SecurityOpt: flSecurityOpt.GetAll(),
ReadonlyRootfs: *flReadonlyRootfs,
Ulimits: flUlimits.GetList(),
LogConfig: LogConfig{Type: *flLoggingDriver, Config: loggingOpts},
CgroupParent: *flCgroupParent,
VolumeDriver: *flVolumeDriver,
Isolation: IsolationLevel(*flIsolation),
ShmSize: parsedShm,
Resources: resources,
}
// When allocating stdin in attached mode, close stdin at client disconnect