72 lines
3.1 KiB
Go
72 lines
3.1 KiB
Go
// +build !windows
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package main
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import (
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"encoding/json"
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"strings"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/docker/docker/pkg/ulimit"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
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testRequires(c, cpuCfsQuota)
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name := "testbuildresourceconstraints"
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ctx, err := fakeContext(`
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FROM hello-world:frozen
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RUN ["/hello"]
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`, map[string]string{})
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c.Assert(err, checker.IsNil)
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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, ".")
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out, _ := dockerCmd(c, "ps", "-lq")
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cID := strings.TrimSpace(out)
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type hostConfig struct {
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Memory int64
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MemorySwap int64
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CpusetCpus string
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CpusetMems string
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CPUShares int64
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CPUQuota int64
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Ulimits []*ulimit.Ulimit
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}
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cfg, err := inspectFieldJSON(cID, "HostConfig")
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c.Assert(err, checker.IsNil)
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var c1 hostConfig
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err = json.Unmarshal([]byte(cfg), &c1)
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c.Assert(err, checker.IsNil, check.Commentf(cfg))
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c.Assert(c1.Memory, checker.Equals, int64(64*1024*1024), check.Commentf("resource constraints not set properly for Memory"))
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c.Assert(c1.MemorySwap, checker.Equals, int64(-1), check.Commentf("resource constraints not set properly for MemorySwap"))
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c.Assert(c1.CpusetCpus, checker.Equals, "0", check.Commentf("resource constraints not set properly for CpusetCpus"))
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c.Assert(c1.CpusetMems, checker.Equals, "0", check.Commentf("resource constraints not set properly for CpusetMems"))
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c.Assert(c1.CPUShares, checker.Equals, int64(100), check.Commentf("resource constraints not set properly for CPUShares"))
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c.Assert(c1.CPUQuota, checker.Equals, int64(8000), check.Commentf("resource constraints not set properly for CPUQuota"))
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c.Assert(c1.Ulimits[0].Name, checker.Equals, "nofile", check.Commentf("resource constraints not set properly for Ulimits"))
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c.Assert(c1.Ulimits[0].Hard, checker.Equals, int64(42), check.Commentf("resource constraints not set properly for Ulimits"))
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// Make sure constraints aren't saved to image
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dockerCmd(c, "run", "--name=test", name)
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cfg, err = inspectFieldJSON("test", "HostConfig")
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c.Assert(err, checker.IsNil)
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var c2 hostConfig
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err = json.Unmarshal([]byte(cfg), &c2)
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c.Assert(err, checker.IsNil, check.Commentf(cfg))
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c.Assert(c2.Memory, check.Not(checker.Equals), int64(64*1024*1024), check.Commentf("resource leaked from build for Memory"))
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c.Assert(c2.MemorySwap, check.Not(checker.Equals), int64(-1), check.Commentf("resource leaked from build for MemorySwap"))
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c.Assert(c2.CpusetCpus, check.Not(checker.Equals), "0", check.Commentf("resource leaked from build for CpusetCpus"))
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c.Assert(c2.CpusetMems, check.Not(checker.Equals), "0", check.Commentf("resource leaked from build for CpusetMems"))
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c.Assert(c2.CPUShares, check.Not(checker.Equals), int64(100), check.Commentf("resource leaked from build for CPUShares"))
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c.Assert(c2.CPUQuota, check.Not(checker.Equals), int64(8000), check.Commentf("resource leaked from build for CPUQuota"))
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c.Assert(c2.Ulimits, checker.IsNil, check.Commentf("resource leaked from build for Ulimits"))
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}
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