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Add ulimit to docker build.

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Signed-off-by: Lei Jitang <leijitang@huawei.com>
This commit is contained in:
Lei 2015-07-23 10:26:06 +08:00
parent 5fdc102396
commit 877dbbbde8
9 changed files with 53 additions and 9 deletions
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14
api/client/build.go
View file

@ -19,6 +19,7 @@ import (
"github.com/docker/docker/api"
"github.com/docker/docker/graph/tags"
"github.com/docker/docker/opts"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/fileutils"
"github.com/docker/docker/pkg/httputils"
@ -28,6 +29,7 @@ import (
"github.com/docker/docker/pkg/progressreader"
"github.com/docker/docker/pkg/streamformatter"
"github.com/docker/docker/pkg/symlink"
"github.com/docker/docker/pkg/ulimit"
"github.com/docker/docker/pkg/units"
"github.com/docker/docker/pkg/urlutil"
"github.com/docker/docker/registry"
@ -60,6 +62,11 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
flCPUSetCpus := cmd.String([]string{"-cpuset-cpus"}, "", "CPUs in which to allow execution (0-3, 0,1)")
flCPUSetMems := cmd.String([]string{"-cpuset-mems"}, "", "MEMs in which to allow execution (0-3, 0,1)")
flCgroupParent := cmd.String([]string{"-cgroup-parent"}, "", "Optional parent cgroup for the container")
ulimits := make(map[string]*ulimit.Ulimit)
flUlimits := opts.NewUlimitOpt(ulimits)
cmd.Var(flUlimits, []string{"-ulimit"}, "Ulimit options")
cmd.Require(flag.Exact, 1)
cmd.ParseFlags(args, true)
@ -277,6 +284,13 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
v.Set("dockerfile", *dockerfileName)
ulimitsVar := flUlimits.GetList()
ulimitsJson, err := json.Marshal(ulimitsVar)
if err != nil {
return err
}
v.Set("ulimits", string(ulimitsJson))
headers := http.Header(make(map[string][]string))
buf, err := json.Marshal(cli.configFile.AuthConfigs)
if err != nil {

10
api/server/server.go
View file

@ -34,6 +34,7 @@ import (
"github.com/docker/docker/pkg/sockets"
"github.com/docker/docker/pkg/stdcopy"
"github.com/docker/docker/pkg/streamformatter"
"github.com/docker/docker/pkg/ulimit"
"github.com/docker/docker/pkg/version"
"github.com/docker/docker/runconfig"
"github.com/docker/docker/utils"
@ -1294,6 +1295,15 @@ func (s *Server) postBuild(version version.Version, w http.ResponseWriter, r *ht
buildConfig.CPUSetMems = r.FormValue("cpusetmems")
buildConfig.CgroupParent = r.FormValue("cgroupparent")
var buildUlimits = []*ulimit.Ulimit{}
ulimitsJson := r.FormValue("ulimits")
if ulimitsJson != "" {
if err := json.NewDecoder(strings.NewReader(ulimitsJson)).Decode(&buildUlimits); err != nil {
return err
}
buildConfig.Ulimits = buildUlimits
}
// Job cancellation. Note: not all job types support this.
if closeNotifier, ok := w.(http.CloseNotifier); ok {
finished := make(chan struct{})

2
builder/evaluator.go
View file

@ -37,6 +37,7 @@ import (
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/pkg/symlink"
"github.com/docker/docker/pkg/tarsum"
"github.com/docker/docker/pkg/ulimit"
"github.com/docker/docker/runconfig"
"github.com/docker/docker/utils"
)
@ -129,6 +130,7 @@ type builder struct {
cgroupParent string
memory int64
memorySwap int64
ulimits []*ulimit.Ulimit
cancelled <-chan struct{} // When closed, job was cancelled.

1
builder/internals.go
View file

@ -615,6 +615,7 @@ func (b *builder) create() (*daemon.Container, error) {
CgroupParent: b.cgroupParent,
Memory: b.memory,
MemorySwap: b.memorySwap,
Ulimits: b.ulimits,
}
config := *b.Config

3
builder/job.go
View file

@ -21,6 +21,7 @@ import (
"github.com/docker/docker/pkg/progressreader"
"github.com/docker/docker/pkg/streamformatter"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/pkg/ulimit"
"github.com/docker/docker/pkg/urlutil"
"github.com/docker/docker/registry"
"github.com/docker/docker/runconfig"
@ -62,6 +63,7 @@ type Config struct {
CPUSetCpus string
CPUSetMems string
CgroupParent string
Ulimits []*ulimit.Ulimit
AuthConfigs map[string]cliconfig.AuthConfig
Stdout io.Writer
@ -205,6 +207,7 @@ func Build(d *daemon.Daemon, buildConfig *Config) error {
cgroupParent: buildConfig.CgroupParent,
memory: buildConfig.Memory,
memorySwap: buildConfig.MemorySwap,
ulimits: buildConfig.Ulimits,
cancelled: buildConfig.WaitCancelled(),
id: stringid.GenerateRandomID(),
}

2
contrib/completion/bash/docker
View file

@ -395,7 +395,7 @@ _docker_build() {
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--cgroup-parent --cpuset-cpus --cpuset-mems --cpu-shares -c --cpu-period --cpu-quota --file -f --force-rm --help --memory -m --memory-swap --no-cache --pull --quiet -q --rm --tag -t" -- "$cur" ) )
COMPREPLY=( $( compgen -W "--cgroup-parent --cpuset-cpus --cpuset-mems --cpu-shares -c --cpu-period --cpu-quota --file -f --force-rm --help --memory -m --memory-swap --no-cache --pull --quiet -q --rm --tag -t --ulimit" -- "$cur" ) )
;;
*)
local counter="$(__docker_pos_first_nonflag '--cgroup-parent|--cpuset-cpus|--cpuset-mems|--cpu-shares|-c|--cpu-period|--cpu-quota|--file|-f|--memory|-m|--memory-swap|--tag|-t')"

6
docs/reference/commandline/build.md
View file

@ -28,6 +28,7 @@ weight=1
--cpuset-mems="" MEMs in which to allow execution, e.g. `0-3`, `0,1`
--cpuset-cpus="" CPUs in which to allow execution, e.g. `0-3`, `0,1`
--cgroup-parent="" Optional parent cgroup for the container
--ulimit=[] Ulimit options
Builds Docker images from a Dockerfile and a "context". A build's context is
the files located in the specified `PATH` or `URL`. The build process can refer
@ -245,5 +246,8 @@ the command line.
When `docker build` is run with the `--cgroup-parent` option the containers
used in the build will be run with the [corresponding `docker run`
flag](/reference/run/#specifying-custom-cgroups).
flag](/reference/run/#specifying-custom-cgroups).
Using the `--ulimit` option with `docker build` will cause each build step's
container to be started using those [`--ulimit`
flag values](/reference/run/#setting-ulimits-in-a-container).

17
integration-cli/docker_cli_build_unix_test.go
View file

@ -6,6 +6,7 @@ import (
"encoding/json"
"strings"
"github.com/docker/docker/pkg/ulimit"
"github.com/go-check/check"
)
@ -21,7 +22,7 @@ func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
c.Fatal(err)
}
dockerCmdInDir(c, ctx.Dir, "build", "--no-cache", "--rm=false", "--memory=64m", "--memory-swap=-1", "--cpuset-cpus=0", "--cpuset-mems=0", "--cpu-shares=100", "--cpu-quota=8000", "-t", name, ".")
dockerCmdInDir(c, ctx.Dir, "build", "--no-cache", "--rm=false", "--memory=64m", "--memory-swap=-1", "--cpuset-cpus=0", "--cpuset-mems=0", "--cpu-shares=100", "--cpu-quota=8000", "--ulimit", "nofile=42", "-t", name, ".")
out, _ := dockerCmd(c, "ps", "-lq")
@ -34,6 +35,7 @@ func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
CpusetMems string
CPUShares int64
CPUQuota int64
Ulimits []*ulimit.Ulimit
}
cfg, err := inspectFieldJSON(cID, "HostConfig")
@ -45,9 +47,9 @@ func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
if err := json.Unmarshal([]byte(cfg), &c1); err != nil {
c.Fatal(err, cfg)
}
if c1.Memory != 67108864 || c1.MemorySwap != -1 || c1.CpusetCpus != "0" || c1.CpusetMems != "0" || c1.CPUShares != 100 || c1.CPUQuota != 8000 {
c.Fatalf("resource constraints not set properly:\nMemory: %d, MemSwap: %d, CpusetCpus: %s, CpusetMems: %s, CPUShares: %d, CPUQuota: %d",
c1.Memory, c1.MemorySwap, c1.CpusetCpus, c1.CpusetMems, c1.CPUShares, c1.CPUQuota)
if c1.Memory != 67108864 || c1.MemorySwap != -1 || c1.CpusetCpus != "0" || c1.CpusetMems != "0" || c1.CPUShares != 100 || c1.CPUQuota != 8000 || c1.Ulimits[0].Name != "nofile" || c1.Ulimits[0].Hard != 42 {
c.Fatalf("resource constraints not set properly:\nMemory: %d, MemSwap: %d, CpusetCpus: %s, CpusetMems: %s, CPUShares: %d, CPUQuota: %d, Ulimits: %s",
c1.Memory, c1.MemorySwap, c1.CpusetCpus, c1.CpusetMems, c1.CPUShares, c1.CPUQuota, c1.Ulimits[0])
}
// Make sure constraints aren't saved to image
@ -61,9 +63,10 @@ func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
if err := json.Unmarshal([]byte(cfg), &c2); err != nil {
c.Fatal(err, cfg)
}
if c2.Memory == 67108864 || c2.MemorySwap == -1 || c2.CpusetCpus == "0" || c2.CpusetMems == "0" || c2.CPUShares == 100 || c2.CPUQuota == 8000 {
c.Fatalf("resource constraints leaked from build:\nMemory: %d, MemSwap: %d, CpusetCpus: %s, CpusetMems: %s, CPUShares: %d, CPUQuota: %d",
c2.Memory, c2.MemorySwap, c2.CpusetCpus, c2.CpusetMems, c2.CPUShares, c2.CPUQuota)
if c2.Memory == 67108864 || c2.MemorySwap == -1 || c2.CpusetCpus == "0" || c2.CpusetMems == "0" || c2.CPUShares == 100 || c2.CPUQuota == 8000 || c2.Ulimits != nil {
c.Fatalf("resource constraints leaked from build:\nMemory: %d, MemSwap: %d, CpusetCpus: %s, CpusetMems: %s, CPUShares: %d, CPUQuota: %d, Ulimits: %s",
c2.Memory, c2.MemorySwap, c2.CpusetCpus, c2.CpusetMems, c2.CPUShares, c2.CPUQuota, c2.Ulimits)
}
}

7
man/docker-build.1.md
View file

@ -22,6 +22,7 @@ docker-build - Build a new image from the source code at PATH
[**--cpuset-cpus**[=*CPUSET-CPUS*]]
[**--cpuset-mems**[=*CPUSET-MEMS*]]
[**--cgroup-parent**[=*CGROUP-PARENT*]]
[**--ulimit**[=*[]*]]
PATH | URL | -
@ -142,6 +143,12 @@ two memory nodes.
If the path is not absolute, the path is considered relative to the `cgroups` path of the init process.
Cgroups are created if they do not already exist.
**--ulimit**=[]
Ulimit options
For more information about `ulimit` see [Setting ulimits in a
container](https://docs.docker.com/reference/commandline/run/#setting-ulimits-in-a-container)
# EXAMPLES
## Building an image using a Dockerfile located inside the current directory