From b2a65f9031368f5932807c61a018394f5804e96c Mon Sep 17 00:00:00 2001 From: Jakob Naucke Date: Thu, 24 Feb 2022 12:15:47 +0100 Subject: [PATCH] virtcontainers: Use available s390x hugepages in TestHandleHugepages. On s390x, hugepage sizes must be set at boot, so test with any that are present (default is 1M). Depends-on: github.com/kata-containers/kata-containers#3770 Fixes: #3763 Signed-off-by: Jakob Naucke --- src/runtime/go.mod | 1 + src/runtime/go.sum | 5 +- .../code.cloudfoundry.org/bytefmt/LICENSE | 201 ++++++++++++++++++ .../code.cloudfoundry.org/bytefmt/NOTICE | 20 ++ .../code.cloudfoundry.org/bytefmt/README.md | 19 ++ .../code.cloudfoundry.org/bytefmt/bytes.go | 121 +++++++++++ .../code.cloudfoundry.org/bytefmt/go.mod | 8 + .../code.cloudfoundry.org/bytefmt/go.sum | 93 ++++++++ .../code.cloudfoundry.org/bytefmt/package.go | 1 + src/runtime/vendor/modules.txt | 3 + src/runtime/virtcontainers/kata_agent_test.go | 47 ++-- 11 files changed, 500 insertions(+), 19 deletions(-) create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/LICENSE create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/NOTICE create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/README.md create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/bytes.go create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.mod create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.sum create mode 100644 src/runtime/vendor/code.cloudfoundry.org/bytefmt/package.go diff --git a/src/runtime/go.mod b/src/runtime/go.mod index 321a5eb1f8..2cf60759ca 100644 --- a/src/runtime/go.mod +++ b/src/runtime/go.mod @@ -3,6 +3,7 @@ module github.com/kata-containers/kata-containers/src/runtime go 1.14 require ( + code.cloudfoundry.org/bytefmt v0.0.0-20211005130812-5bb3c17173e5 github.com/BurntSushi/toml v0.3.1 github.com/blang/semver v3.5.1+incompatible github.com/blang/semver/v4 v4.0.0 diff --git a/src/runtime/go.sum b/src/runtime/go.sum index 3417ff96a6..919790fe1a 100644 --- a/src/runtime/go.sum +++ b/src/runtime/go.sum @@ -33,6 +33,8 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs= cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0= +code.cloudfoundry.org/bytefmt v0.0.0-20211005130812-5bb3c17173e5 h1:tM5+dn2C9xZw1RzgI6WTQW1rGqdUimKB3RFbyu4h6Hc= +code.cloudfoundry.org/bytefmt v0.0.0-20211005130812-5bb3c17173e5/go.mod h1:v4VVB6oBMz/c9fRY6vZrwr5xKRWOH5NPDjQZlPk0Gbs= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= github.com/AdaLogics/go-fuzz-headers v0.0.0-20210715213245-6c3934b029d8/go.mod h1:CzsSbkDixRphAF5hS6wbMKq0eI6ccJRb7/A0M6JBnwg= github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc= @@ -686,8 +688,9 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoTdcA= github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc= -github.com/onsi/gomega v1.15.0 h1:WjP/FQ/sk43MRmnEcT+MlDw2TFvkrXlprrPST/IudjU= github.com/onsi/gomega v1.15.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0= +github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c= +github.com/onsi/gomega v1.16.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY= github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s= github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s= github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s= diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/LICENSE b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/LICENSE new file mode 100644 index 0000000000..f49a4e16e6 --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. \ No newline at end of file diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/NOTICE b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/NOTICE new file mode 100644 index 0000000000..8625a7f417 --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/NOTICE @@ -0,0 +1,20 @@ +Copyright (c) 2015-Present CloudFoundry.org Foundation, Inc. All Rights Reserved. + +This project contains software that is Copyright (c) 2013-2015 Pivotal Software, Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +This project may include a number of subcomponents with separate +copyright notices and license terms. Your use of these subcomponents +is subject to the terms and conditions of each subcomponent's license, +as noted in the LICENSE file. diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/README.md b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/README.md new file mode 100644 index 0000000000..778fd386d5 --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/README.md @@ -0,0 +1,19 @@ +bytefmt +======= + +**Note**: This repository should be imported as `code.cloudfoundry.org/bytefmt`. + +Human-readable byte formatter. + +Example: + +```go +bytefmt.ByteSize(100.5*bytefmt.MEGABYTE) // returns "100.5M" +bytefmt.ByteSize(uint64(1024)) // returns "1K" +``` + +For documentation, please see http://godoc.org/code.cloudfoundry.org/bytefmt + +## Reporting issues and requesting features + +Please report all issues and feature requests in [cloudfoundry/diego-release](https://github.com/cloudfoundry/diego-release/issues). diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/bytes.go b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/bytes.go new file mode 100644 index 0000000000..739560477a --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/bytes.go @@ -0,0 +1,121 @@ +// Package bytefmt contains helper methods and constants for converting to and from a human-readable byte format. +// +// bytefmt.ByteSize(100.5*bytefmt.MEGABYTE) // "100.5M" +// bytefmt.ByteSize(uint64(1024)) // "1K" +// +package bytefmt + +import ( + "errors" + "strconv" + "strings" + "unicode" +) + +const ( + BYTE = 1 << (10 * iota) + KILOBYTE + MEGABYTE + GIGABYTE + TERABYTE + PETABYTE + EXABYTE +) + +var invalidByteQuantityError = errors.New("byte quantity must be a positive integer with a unit of measurement like M, MB, MiB, G, GiB, or GB") + +// ByteSize returns a human-readable byte string of the form 10M, 12.5K, and so forth. The following units are available: +// E: Exabyte +// P: Petabyte +// T: Terabyte +// G: Gigabyte +// M: Megabyte +// K: Kilobyte +// B: Byte +// The unit that results in the smallest number greater than or equal to 1 is always chosen. +func ByteSize(bytes uint64) string { + unit := "" + value := float64(bytes) + + switch { + case bytes >= EXABYTE: + unit = "E" + value = value / EXABYTE + case bytes >= PETABYTE: + unit = "P" + value = value / PETABYTE + case bytes >= TERABYTE: + unit = "T" + value = value / TERABYTE + case bytes >= GIGABYTE: + unit = "G" + value = value / GIGABYTE + case bytes >= MEGABYTE: + unit = "M" + value = value / MEGABYTE + case bytes >= KILOBYTE: + unit = "K" + value = value / KILOBYTE + case bytes >= BYTE: + unit = "B" + case bytes == 0: + return "0B" + } + + result := strconv.FormatFloat(value, 'f', 1, 64) + result = strings.TrimSuffix(result, ".0") + return result + unit +} + +// ToMegabytes parses a string formatted by ByteSize as megabytes. +func ToMegabytes(s string) (uint64, error) { + bytes, err := ToBytes(s) + if err != nil { + return 0, err + } + + return bytes / MEGABYTE, nil +} + +// ToBytes parses a string formatted by ByteSize as bytes. Note binary-prefixed and SI prefixed units both mean a base-2 units +// KB = K = KiB = 1024 +// MB = M = MiB = 1024 * K +// GB = G = GiB = 1024 * M +// TB = T = TiB = 1024 * G +// PB = P = PiB = 1024 * T +// EB = E = EiB = 1024 * P +func ToBytes(s string) (uint64, error) { + s = strings.TrimSpace(s) + s = strings.ToUpper(s) + + i := strings.IndexFunc(s, unicode.IsLetter) + + if i == -1 { + return 0, invalidByteQuantityError + } + + bytesString, multiple := s[:i], s[i:] + bytes, err := strconv.ParseFloat(bytesString, 64) + if err != nil || bytes < 0 { + return 0, invalidByteQuantityError + } + + switch multiple { + case "E", "EB", "EIB": + return uint64(bytes * EXABYTE), nil + case "P", "PB", "PIB": + return uint64(bytes * PETABYTE), nil + case "T", "TB", "TIB": + return uint64(bytes * TERABYTE), nil + case "G", "GB", "GIB": + return uint64(bytes * GIGABYTE), nil + case "M", "MB", "MIB": + return uint64(bytes * MEGABYTE), nil + case "K", "KB", "KIB": + return uint64(bytes * KILOBYTE), nil + case "B": + return uint64(bytes), nil + default: + return 0, invalidByteQuantityError + } +} diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.mod b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.mod new file mode 100644 index 0000000000..dfc6cce21f --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.mod @@ -0,0 +1,8 @@ +module code.cloudfoundry.org/bytefmt + +go 1.16 + +require ( + github.com/onsi/ginkgo v1.16.4 + github.com/onsi/gomega v1.16.0 +) diff --git a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.sum b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.sum new file mode 100644 index 0000000000..a881b85396 --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/go.sum @@ -0,0 +1,93 @@ +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fsnotify/fsnotify v1.4.7/go.mod 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a/src/runtime/vendor/code.cloudfoundry.org/bytefmt/package.go b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/package.go new file mode 100644 index 0000000000..03429300ba --- /dev/null +++ b/src/runtime/vendor/code.cloudfoundry.org/bytefmt/package.go @@ -0,0 +1 @@ +package bytefmt // import "code.cloudfoundry.org/bytefmt" diff --git a/src/runtime/vendor/modules.txt b/src/runtime/vendor/modules.txt index 13b3ae3509..77090fae89 100644 --- a/src/runtime/vendor/modules.txt +++ b/src/runtime/vendor/modules.txt @@ -1,3 +1,6 @@ +# code.cloudfoundry.org/bytefmt v0.0.0-20211005130812-5bb3c17173e5 +## explicit +code.cloudfoundry.org/bytefmt # github.com/BurntSushi/toml v0.3.1 ## explicit github.com/BurntSushi/toml diff --git a/src/runtime/virtcontainers/kata_agent_test.go b/src/runtime/virtcontainers/kata_agent_test.go index 6475e8b069..085823b7e0 100644 --- a/src/runtime/virtcontainers/kata_agent_test.go +++ b/src/runtime/virtcontainers/kata_agent_test.go @@ -14,6 +14,7 @@ import ( "path" "path/filepath" "reflect" + "runtime" "strings" "syscall" "testing" @@ -21,6 +22,7 @@ import ( specs "github.com/opencontainers/runtime-spec/specs-go" "github.com/stretchr/testify/assert" + "code.cloudfoundry.org/bytefmt" "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/api" "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/config" "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/drivers" @@ -35,6 +37,8 @@ import ( vcTypes "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/types" ) +const sysHugepagesDir = "/sys/kernel/mm/hugepages" + var ( testBlkDriveFormat = "testBlkDriveFormat" testBlockDeviceCtrPath = "testBlockDeviceCtrPath" @@ -1244,18 +1248,36 @@ func TestHandleHugepages(t *testing.T) { defer os.RemoveAll(dir) k := kataAgent{} + var formattedSizes []string var mounts []specs.Mount var hugepageLimits []specs.LinuxHugepageLimit - hugepageDirs := [2]string{"hugepages-1Gi", "hugepages-2Mi"} - options := [2]string{"pagesize=1024M", "pagesize=2M"} + // On s390x, hugepage sizes must be set at boot and cannot be created ad hoc. Use any that + // are present (default is 1M, can only be changed on LPAR). See + // https://www.ibm.com/docs/en/linuxonibm/pdf/lku5dd05.pdf, p. 345 for more information. + if runtime.GOARCH == "s390x" { + dirs, err := ioutil.ReadDir(sysHugepagesDir) + assert.Nil(err) + for _, dir := range dirs { + formattedSizes = append(formattedSizes, strings.TrimPrefix(dir.Name(), "hugepages-")) + } + } else { + formattedSizes = []string{"1G", "2M"} + } - for i := 0; i < 2; i++ { - target := path.Join(dir, hugepageDirs[i]) - err := os.MkdirAll(target, 0777) + for _, formattedSize := range formattedSizes { + bytes, err := bytefmt.ToBytes(formattedSize) + assert.Nil(err) + hugepageLimits = append(hugepageLimits, specs.LinuxHugepageLimit{ + Pagesize: formattedSize, + Limit: 1_000_000 * bytes, + }) + + target := path.Join(dir, fmt.Sprintf("hugepages-%s", formattedSize)) + err = os.MkdirAll(target, 0777) assert.NoError(err, "Unable to create dir %s", target) - err = syscall.Mount("nodev", target, "hugetlbfs", uintptr(0), options[i]) + err = syscall.Mount("nodev", target, "hugetlbfs", uintptr(0), fmt.Sprintf("pagesize=%s", formattedSize)) assert.NoError(err, "Unable to mount %s", target) defer syscall.Unmount(target, 0) @@ -1267,21 +1289,10 @@ func TestHandleHugepages(t *testing.T) { mounts = append(mounts, mount) } - hugepageLimits = []specs.LinuxHugepageLimit{ - { - Pagesize: "1GB", - Limit: 1073741824, - }, - { - Pagesize: "2MB", - Limit: 134217728, - }, - } - hugepages, err := k.handleHugepages(mounts, hugepageLimits) assert.NoError(err, "Unable to handle hugepages %v", hugepageLimits) assert.NotNil(hugepages) - assert.Equal(len(hugepages), 2) + assert.Equal(len(hugepages), len(formattedSizes)) }