72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
// +build !windows
|
|
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"strings"
|
|
|
|
"github.com/docker/docker/pkg/ulimit"
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
|
|
testRequires(c, cpuCfsQuota)
|
|
name := "testbuildresourceconstraints"
|
|
|
|
ctx, err := fakeContext(`
|
|
FROM hello-world:frozen
|
|
RUN ["/hello"]
|
|
`, map[string]string{})
|
|
if err != nil {
|
|
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", "--ulimit", "nofile=42", "-t", name, ".")
|
|
|
|
out, _ := dockerCmd(c, "ps", "-lq")
|
|
|
|
cID := strings.TrimSpace(out)
|
|
|
|
type hostConfig struct {
|
|
Memory int64
|
|
MemorySwap int64
|
|
CpusetCpus string
|
|
CpusetMems string
|
|
CPUShares int64
|
|
CPUQuota int64
|
|
Ulimits []*ulimit.Ulimit
|
|
}
|
|
|
|
cfg, err := inspectFieldJSON(cID, "HostConfig")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
var c1 hostConfig
|
|
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 || 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
|
|
dockerCmd(c, "run", "--name=test", name)
|
|
|
|
cfg, err = inspectFieldJSON("test", "HostConfig")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
var c2 hostConfig
|
|
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 || 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)
|
|
|
|
}
|
|
|
|
}
|