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builders.go
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builders.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package dashboard contains shared configuration and logic used by various
// pieces of the Go continuous build system.
package dashboard
import (
"fmt"
"os"
"sort"
"strconv"
"strings"
"time"
"golang.org/x/build/buildenv"
"golang.org/x/build/maintner/maintnerd/maintapi/version"
"golang.org/x/build/types"
)
// slowBotAliases maps short names from TRY= comments to which builder to run.
//
// TODO: we'll likely expand this, or move it, or change the matching
// syntax entirely. This is a first draft.
var slowBotAliases = map[string]string{
// Known missing builders:
"netbsd-arm64": "",
"openbsd-arm": "",
"openbsd-arm64": "",
"nacl-arm": "",
"darwin-arm": "", // TODO(golang.org/issue/37611): Remove once port is removed.
"386": "linux-386",
"aix": "aix-ppc64",
"amd64": "linux-amd64",
"amd64p32": "nacl-amd64p32",
"android": "android-amd64-emu",
"android-386": "android-386-emu",
"android-amd64": "android-amd64-emu",
"android-arm": "android-arm-corellium",
"android-arm64": "android-arm64-corellium",
"arm": "linux-arm",
"arm64": "linux-arm64-packet",
"arm64p32": "nacl-amd64p32",
"darwin": "darwin-amd64-10_14",
"darwin-386": "darwin-386-10_14",
"darwin-amd64": "darwin-amd64-10_14",
"darwin-arm64": "darwin-arm64-corellium",
"dragonfly": "dragonfly-amd64",
"freebsd": "freebsd-amd64-12_0",
"freebsd-386": "freebsd-386-12_0",
"freebsd-amd64": "freebsd-amd64-12_0",
"freebsd-arm": "freebsd-arm-paulzhol",
"freebsd-arm64": "freebsd-arm64-dmgk",
"illumos": "illumos-amd64",
"ios": "darwin-arm64-corellium",
"js": "js-wasm",
"linux": "linux-amd64",
"linux-arm64": "linux-arm64-packet",
"linux-mips": "linux-mips-rtrk",
"linux-mips64": "linux-mips64-rtrk",
"linux-mips64le": "linux-mips64le-mengzhuo",
"linux-mipsle": "linux-mipsle-rtrk",
"linux-ppc64": "linux-ppc64-buildlet",
"linux-ppc64le": "linux-ppc64le-buildlet",
"linux-riscv64": "linux-riscv64-unleashed",
"linux-s390x": "linux-s390x-ibm",
"longtest": "linux-amd64-longtest",
"mac": "darwin-amd64-10_14",
"macos": "darwin-amd64-10_14",
"mips": "linux-mips-rtrk",
"mips64": "linux-mips64-rtrk",
"mips64le": "linux-mips64le-mengzhuo",
"mipsle": "linux-mipsle-rtrk",
"nacl": "nacl-amd64p32",
"nacl-387": "nacl-386",
"nacl-arm64p32": "nacl-amd64p32",
"netbsd": "netbsd-amd64-8_0",
"netbsd-386": "netbsd-386-8_0",
"netbsd-amd64": "netbsd-amd64-8_0",
"netbsd-arm": "netbsd-arm-bsiegert",
"openbsd": "openbsd-amd64-64",
"openbsd-386": "openbsd-386-64",
"openbsd-amd64": "openbsd-amd64-64",
"plan9": "plan9-386-0intro",
"plan9-386": "plan9-386-0intro",
"plan9-amd64": "plan9-amd64-9front",
"ppc64": "linux-ppc64-buildlet",
"ppc64le": "linux-ppc64le-buildlet",
"riscv64": "linux-riscv64-unleashed",
"s390x": "linux-s390x-ibm",
"solaris": "solaris-amd64-oraclerel",
"solaris-amd64": "solaris-amd64-oraclerel",
"wasm": "js-wasm",
"windows": "windows-amd64-2016",
"windows-386": "windows-386-2008",
"windows-amd64": "windows-amd64-2016",
}
// Builders are the different build configurations.
// The keys are like "darwin-amd64" or "linux-386-387".
// This map should not be modified by other packages.
// Initialization happens below, via calls to addBuilder.
var Builders = map[string]*BuildConfig{}
// Hosts contains the names and configs of all the types of
// buildlets. They can be VMs, containers, or dedicated machines.
var Hosts = map[string]*HostConfig{
"host-linux-jessie": &HostConfig{
Notes: "Debian Jessie, our standard Linux container image.",
ContainerImage: "linux-x86-jessie:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-stretch": &HostConfig{
Notes: "Debian Stretch",
ContainerImage: "linux-x86-stretch:latest",
machineType: "n1-standard-4", // 4 vCPUs, 15 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-stretch-morecpu": &HostConfig{
Notes: "Debian Stretch, but on n1-highcpu-16",
ContainerImage: "linux-x86-stretch:latest",
machineType: "n1-highcpu-16", // 16 vCPUs, 14.4 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-stretch-vmx": &HostConfig{
Notes: "Debian Stretch w/ Nested Virtualization (VMX CPU bit) enabled, for testing",
ContainerImage: "linux-x86-stretch:latest",
NestedVirt: true,
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-armhf-cross": &HostConfig{
Notes: "Debian with armhf cross-compiler, built from env/crosscompile/linux-armhf",
ContainerImage: "linux-armhf-cross:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
},
"host-linux-armel-cross": &HostConfig{
Notes: "Debian with armel cross-compiler, from env/crosscompile/linux-armel",
ContainerImage: "linux-armel-cross:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
},
"host-linux-amd64-localdev": &HostConfig{
IsReverse: true,
ExpectNum: 0,
Notes: "for localhost development of buildlets/gomote/coordinator only",
SSHUsername: os.Getenv("USER"),
},
"host-nacl": &HostConfig{
Notes: "Container with Native Client binaries.",
ContainerImage: "linux-x86-nacl:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
},
"host-js-wasm": &HostConfig{
Notes: "Container with node.js for testing js/wasm.",
ContainerImage: "js-wasm:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-s390x-cross": &HostConfig{
Notes: "Container with s390x cross-compiler.",
ContainerImage: "linux-s390x-cross:latest",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
},
"host-linux-x86-alpine": &HostConfig{
Notes: "Alpine container",
ContainerImage: "linux-x86-alpine:latest",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.linux-amd64-static",
env: []string{"GOROOT_BOOTSTRAP=/usr/lib/go"},
SSHUsername: "root",
},
"host-linux-clang": &HostConfig{
Notes: "Container with clang.",
ContainerImage: "linux-x86-clang:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-sid": &HostConfig{
Notes: "Debian sid, updated occasionally.",
ContainerImage: "linux-x86-sid:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
"host-linux-fedora": &HostConfig{
Notes: "Fedora 30",
ContainerImage: "linux-x86-fedora:latest",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/goboot"},
SSHUsername: "root",
},
"host-linux-arm-scaleway": &HostConfig{
IsReverse: true,
HermeticReverse: true,
ExpectNum: 50,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
SSHUsername: "root",
},
"host-linux-arm5spacemonkey": &HostConfig{
IsReverse: true,
ExpectNum: 3,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
OwnerGithub: "esnolte", // https://github.com/golang/go/issues/34973#issuecomment-543836871
},
"host-linux-riscv64-unleashed": &HostConfig{
Notes: "SiFive HiFive Unleashed RISC-V board. 8 GB RAM, 4 cores.",
IsReverse: true,
ExpectNum: 1, // for now. Joel's board might join the party later.
OwnerGithub: "bradfitz", // at home
env: []string{"GOROOT_BOOTSTRAP=/usr/local/goboot"},
},
"host-openbsd-amd64-60": &HostConfig{
VMImage: "openbsd-amd64-60",
machineType: "n1-highcpu-4",
// OpenBSD 6.0 requires binaries built with Go 1.10, per https://golang.org/wiki/OpenBSD
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-amd64.go1.10",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-amd64-60.tar.gz",
Notes: "OpenBSD 6.0; GCE VM is built from script in build/env/openbsd-amd64",
SSHUsername: "gopher",
},
"host-openbsd-386-60": &HostConfig{
VMImage: "openbsd-386-60",
machineType: "n1-highcpu-4",
// OpenBSD 6.0 requires binaries built with Go 1.10, per https://golang.org/wiki/OpenBSD
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-386.go1.10",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-386-60.tar.gz",
Notes: "OpenBSD 6.0; GCE VM is built from script in build/env/openbsd-386",
SSHUsername: "gopher",
},
"host-openbsd-amd64-62": &HostConfig{
VMImage: "openbsd-amd64-62",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-amd64-go1_12.tar.gz",
Notes: "OpenBSD 6.2; GCE VM is built from script in build/env/openbsd-amd64",
SSHUsername: "gopher",
},
"host-openbsd-386-62": &HostConfig{
VMImage: "openbsd-386-62-a",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-386",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-386-go1_12.tar.gz",
Notes: "OpenBSD 6.2; GCE VM is built from script in build/env/openbsd-386",
SSHUsername: "gopher",
},
"host-openbsd-amd64-64": &HostConfig{
VMImage: "openbsd-amd64-64-190129a",
MinCPUPlatform: "Intel Skylake", // for better TSC? Maybe? see Issue 29223. builds faster at least.
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-amd64-go1_12.tar.gz",
Notes: "OpenBSD 6.4 with hw.smt=1; GCE VM is built from script in build/env/openbsd-amd64",
SSHUsername: "gopher",
},
"host-openbsd-386-64": &HostConfig{
VMImage: "openbsd-386-64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.openbsd-386",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-386-go1_12.tar.gz",
Notes: "OpenBSD 6.4; GCE VM is built from script in build/env/openbsd-386",
SSHUsername: "gopher",
},
"host-openbsd-arm-joelsing": &HostConfig{
IsReverse: true,
ExpectNum: 1,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
OwnerGithub: "4a6f656c",
},
"host-freebsd-93-gce": &HostConfig{
VMImage: "freebsd-amd64-gce93",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-freebsd-10_3": &HostConfig{
VMImage: "freebsd-amd64-103-b",
Notes: "FreeBSD 10.3; GCE VM is built from script in build/env/freebsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
env: []string{"CC=clang"},
SSHUsername: "gopher",
},
"host-freebsd-10_4": &HostConfig{
VMImage: "freebsd-amd64-104",
Notes: "FreeBSD 10.4; GCE VM is built from script in build/env/freebsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-freebsd-11_1": &HostConfig{
VMImage: "freebsd-amd64-111-b",
Notes: "FreeBSD 11.1; GCE VM is built from script in build/env/freebsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
env: []string{"CC=clang"},
SSHUsername: "gopher",
},
"host-freebsd-11_1-big": &HostConfig{
VMImage: "freebsd-amd64-111-b",
Notes: "Same as host-freebsd-11_1, but on n1-highcpu-8",
machineType: "n1-highcpu-8", // 8 vCPUs, 7.2 GB mem
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
env: []string{"CC=clang"},
SSHUsername: "gopher",
},
"host-freebsd-11_2": &HostConfig{
VMImage: "freebsd-amd64-112",
Notes: "FreeBSD 11.2; GCE VM is built from script in build/env/freebsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-freebsd-12_0": &HostConfig{
VMImage: "freebsd-amd64-120-v1",
Notes: "FreeBSD 12.0; GCE VM is built from script in build/env/freebsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-netbsd-amd64-8_0": &HostConfig{
VMImage: "netbsd-amd64-8-0-2018q1",
Notes: "NetBSD 8.0RC1; GCE VM is built from script in build/env/netbsd-amd64",
machineType: "n1-highcpu-4",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.netbsd-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-netbsd-amd64-2da6b33.tar.gz",
SSHUsername: "root",
},
// Note: the netbsd-386 host hangs during the ../test phase of all.bash,
// so we don't use this for now. (See the netbsd-386-8 BuildConfig below.)
"host-netbsd-386-8_0": &HostConfig{
VMImage: "netbsd-i386-8-0-2018q1",
Notes: "NetBSD 8.0RC1; GCE VM is built from script in build/env/netbsd-386",
machineType: "n1-highcpu-4",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.netbsd-386",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-netbsd-386-0b3b511.tar.gz",
SSHUsername: "root",
},
"host-netbsd-arm-bsiegert": &HostConfig{
IsReverse: true,
ExpectNum: 1,
env: []string{"GOROOT_BOOTSTRAP=/usr/pkg/go112"},
OwnerGithub: "bsiegert",
},
"host-dragonfly-amd64-5_6": &HostConfig{
IsReverse: true,
ExpectNum: 1,
Notes: "DragonFly BSD release version, run by DragonFly team",
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
OwnerGithub: "tuxillo",
},
"host-dragonfly-amd64-master": &HostConfig{
IsReverse: true,
ExpectNum: 1,
Notes: "DragonFly BSD master, run by DragonFly team",
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
OwnerGithub: "tuxillo",
},
"host-freebsd-arm-paulzhol": &HostConfig{
IsReverse: true,
ExpectNum: 1,
Notes: "Cubiboard2 1Gb RAM dual-core Cortex-A7 (Allwinner A20), FreeBSD 11.1-RELEASE",
env: []string{"GOROOT_BOOTSTRAP=/usr/home/paulzhol/go1.4"},
OwnerGithub: "paulzhol",
},
"host-freebsd-arm64-dmgk": &HostConfig{
IsReverse: true,
ExpectNum: 1,
Notes: "AWS EC2 a1.large 2 vCPU 4GiB RAM, FreeBSD 12.1-STABLE",
env: []string{"GOROOT_BOOTSTRAP=/usr/home/builder/gobootstrap"},
OwnerGithub: "dmgk",
},
"host-plan9-arm-0intro": &HostConfig{
IsReverse: true,
ExpectNum: 1,
Notes: "Raspberry Pi 3 Model B, Plan 9 from Bell Labs",
OwnerGithub: "0intro",
},
"host-plan9-amd64-0intro": &HostConfig{
IsReverse: true,
ExpectNum: 1,
OwnerGithub: "0intro",
},
"host-plan9-386-0intro": &HostConfig{
IsReverse: true,
ExpectNum: 1,
OwnerGithub: "0intro",
},
"host-plan9-386-gce": &HostConfig{
VMImage: "plan9-386-v7",
Notes: "Plan 9 from 0intro; GCE VM is built from script in build/env/plan9-386",
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.plan9-386",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-plan9-386.tar.gz",
// We *were* using n1-standard-1 because Plan 9 can only
// reliably use a single CPU. Using 2 or 4 and we see
// test failures. See:
// https://golang.org/issue/8393
// https://golang.org/issue/9491
// n1-standard-1 has 3.6 GB of memory which WAS (see below)
// overkill (userspace probably only sees 2GB anyway),
// but it's the cheapest option. And plenty to keep
// our ~250 MB of inputs+outputs in its ramfs.
//
// But the docs says "For the n1 series of machine
// types, a virtual CPU is implemented as a single
// hyperthread on a 2.6GHz Intel Sandy Bridge Xeon or
// Intel Ivy Bridge Xeon (or newer) processor. This
// means that the n1-standard-2 machine type will see
// a whole physical core."
//
// ... so we used n1-highcpu-2 (1.80 RAM, still
// plenty), just so we can get 1 whole core for the
// single-core Plan 9. It will see 2 virtual cores and
// only use 1, but we hope that 1 will be more powerful
// and we'll stop timing out on tests.
machineType: "n1-highcpu-4",
env: []string{"GO_TEST_TIMEOUT_SCALE=3"},
},
"host-windows-amd64-2008": &HostConfig{
VMImage: "windows-amd64-server-2008r2-v7",
machineType: "n1-highcpu-4", // 4 vCPUs, 3.6 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.windows-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-windows-amd64-2008-big": &HostConfig{
Notes: "Same as host-windows-amd64-2008, but on n1-highcpu-16",
VMImage: "windows-amd64-server-2008r2-v7",
machineType: "n1-highcpu-16", // 16 vCPUs, 14.4 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.windows-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-windows-amd64-2012": &HostConfig{
VMImage: "windows-amd64-server-2012r2-v7",
machineType: "n1-highcpu-4", // 4 vCPUs, 3.6 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.windows-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-windows-amd64-2016": &HostConfig{
VMImage: "windows-amd64-server-2016-v7",
machineType: "n1-highcpu-4", // 4 vCPUs, 3.6 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.windows-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-windows-amd64-2016-big": &HostConfig{
Notes: "Same as host-windows-amd64-2016, but on n1-highcpu-16",
VMImage: "windows-amd64-server-2016-v7",
machineType: "n1-highcpu-16", // 16 vCPUs, 14.4 GB mem
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.windows-amd64",
goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
SSHUsername: "gopher",
},
"host-windows-arm-iotcore": &HostConfig{
IsReverse: true,
ExpectNum: 1,
OwnerGithub: "jordanrh1",
env: []string{"GOROOT_BOOTSTRAP=C:\\Data\\Go"},
},
"host-darwin-10_11": &HostConfig{
IsReverse: true,
ExpectNum: 3,
Notes: "MacStadium OS X 10.11 VM under VMWare ESXi",
env: []string{
"GOROOT_BOOTSTRAP=/Users/gopher/go1.4",
},
SSHUsername: "gopher",
HermeticReverse: false, // TODO: make it so, like 10.12
},
"host-darwin-10_12": &HostConfig{
IsReverse: true,
ExpectNum: 4,
Notes: "MacStadium OS X 10.12 VM under VMWare ESXi",
env: []string{
"GOROOT_BOOTSTRAP=/Users/gopher/go1.4",
},
SSHUsername: "gopher",
HermeticReverse: true, // we destroy the VM when done & let cmd/makemac recreate
},
"host-darwin-10_14": &HostConfig{
IsReverse: true,
ExpectNum: 6,
Notes: "MacStadium macOS Mojave (10.14) VM under VMWare ESXi",
env: []string{
"GOROOT_BOOTSTRAP=/Users/gopher/goboot", // Go 1.12.1
},
SSHUsername: "gopher",
HermeticReverse: true, // we destroy the VM when done & let cmd/makemac recreate
},
"host-darwin-10_15": &HostConfig{
IsReverse: true,
ExpectNum: 7,
Notes: "MacStadium macOS Catalina (10.15) VM under VMWare ESXi",
env: []string{
"GOROOT_BOOTSTRAP=/Users/gopher/goboot", // Go 1.12.1
},
SSHUsername: "gopher",
HermeticReverse: true, // we destroy the VM when done & let cmd/makemac recreate
},
"host-linux-s390x": &HostConfig{
Notes: "run by IBM",
OwnerGithub: "mundaym",
IsReverse: true,
env: []string{"GOROOT_BOOTSTRAP=/var/buildlet/go-linux-s390x-bootstrap"},
},
"host-linux-ppc64-osu": &HostConfig{
Notes: "Debian jessie; run by Go team on osuosl.org",
IsReverse: true,
ExpectNum: 5,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap"},
SSHUsername: "root",
HermeticReverse: false, // TODO: run in chroots with overlayfs? https://github.com/golang/go/issues/34830#issuecomment-543386764
},
"host-linux-ppc64le-osu": &HostConfig{
Notes: "Debian Buster; run by Go team on osuosl.org; see x/build/env/linux-ppc64le/osuosl",
IsReverse: true,
ExpectNum: 5,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap"},
SSHUsername: "root",
HermeticReverse: true,
},
"host-linux-ppc64le-power9-osu": &HostConfig{
Notes: "Debian Buster; run by Go team on osuosl.org; see x/build/env/linux-ppc64le/osuosl",
IsReverse: true,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap", "GOPPC64=power9"},
SSHUsername: "root",
HermeticReverse: true,
},
"host-linux-arm64-packet": &HostConfig{
Notes: "On 96 core packet.net host (Xenial) in Docker containers (Debian Buster); run by Go team. See x/build/env/linux-arm64/packet",
IsReverse: true,
HermeticReverse: true,
ExpectNum: 8,
env: []string{"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap"},
SSHUsername: "root",
},
"host-illumos-amd64-jclulow": &HostConfig{
Notes: "SmartOS base64@19.1.0 zone",
Owner: "josh@sysmgr.org",
OwnerGithub: "jclulow",
IsReverse: true,
ExpectNum: 1,
SSHUsername: "gobuild",
},
"host-solaris-oracle-amd64-oraclerel": &HostConfig{
Notes: "Oracle Solaris amd64 Release System",
Owner: "",
OwnerGithub: "rorth", // https://github.com/golang/go/issues/15581#issuecomment-550368581
IsReverse: true,
ExpectNum: 1,
env: []string{"GOROOT_BOOTSTRAP=/opt/golang/go-solaris-amd64-bootstrap"},
},
"host-linux-mipsle-mengzhuo": &HostConfig{
Notes: "Loongson 3A Box hosted by Meng Zhuo; actually MIPS64 despite the name",
OwnerGithub: "mengzhuo",
IsReverse: true,
ExpectNum: 1,
env: []string{
"GOROOT_BOOTSTRAP=/usr/lib/golang",
"GOMIPS64=hardfloat",
},
},
"host-linux-mips64le-rtrk": &HostConfig{
Notes: "cavium,rhino_utm8 board hosted at RT-RK.com; quad-core cpu, 8GB of ram and 240GB ssd disks.",
OwnerGithub: "bogojevic", // and @milanknezevic. https://github.com/golang/go/issues/31217#issuecomment-547004892
IsReverse: true,
ExpectNum: 1,
env: []string{
"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap",
},
},
"host-linux-mips64-rtrk": &HostConfig{
Notes: "cavium,rhino_utm8 board hosted at RT-RK.com; quad-core cpu, 8GB of ram and 240GB ssd disks.",
OwnerGithub: "bogojevic", // and @milanknezevic. https://github.com/golang/go/issues/31217#issuecomment-547004892
IsReverse: true,
ExpectNum: 1,
env: []string{
"GOROOT_BOOTSTRAP=/usr/local/go-bootstrap",
},
},
"host-darwin-arm64-corellium-ios": &HostConfig{
Notes: "Virtual iOS devices hosted by Zenly on Corellium",
OwnerGithub: "znly",
IsReverse: true,
ExpectNum: 3,
env: []string{
"GOROOT_BOOTSTRAP=/var/mobile/go-darwin-arm64-bootstrap",
},
},
"host-android-arm64-corellium-android": &HostConfig{
Notes: "Virtual Android devices hosted by Zenly on Corellium",
OwnerGithub: "znly",
IsReverse: true,
ExpectNum: 3,
env: []string{
"GOROOT_BOOTSTRAP=/data/data/com.termux/files/home/go-android-arm64-bootstrap",
},
},
"host-aix-ppc64-osuosl": &HostConfig{
Notes: "AIX 7.2 VM on OSU; run by Tony Reix",
OwnerGithub: "trex58",
IsReverse: true,
ExpectNum: 1,
env: []string{"GOROOT_BOOTSTRAP=/opt/freeware/lib/golang"},
},
"host-android-amd64-emu": &HostConfig{
Notes: "Debian Buster w/ Android SDK + emulator (use nested virt)",
ContainerImage: "android-amd64-emu:bff27c0c9263",
KonletVMImage: "android-amd64-emu",
NestedVirt: true,
buildletURLTmpl: "http://storage.googleapis.com/$BUCKET/buildlet.linux-amd64",
env: []string{"GOROOT_BOOTSTRAP=/go1.4"},
SSHUsername: "root",
},
}
// CrossCompileConfig describes how to cross-compile a build on a
// faster host.
type CrossCompileConfig struct {
// CompileHostType is the host type to use for compilation
CompileHostType string
// CCForTarget is the CC_FOR_TARGET environment variable.
CCForTarget string
// GOARM is any GOARM= environment variable.
GOARM string
// AlwaysCrossCompile controls whether this builder always
// cross compiles. Otherwise it's only done for trybot runs.
AlwaysCrossCompile bool
}
func init() {
for key, c := range Hosts {
if key == "" {
panic("empty string key in Hosts")
}
if c.HostType == "" {
c.HostType = key
}
if c.HostType != key {
panic(fmt.Sprintf("HostType %q != key %q", c.HostType, key))
}
nSet := 0
if c.VMImage != "" {
nSet++
}
if c.ContainerImage != "" {
nSet++
}
if c.IsReverse {
nSet++
}
if nSet != 1 {
panic(fmt.Sprintf("exactly one of VMImage, ContainerImage, IsReverse must be set for host %q; got %v", key, nSet))
}
if c.buildletURLTmpl == "" && (c.VMImage != "" || c.ContainerImage != "") {
panic(fmt.Sprintf("missing buildletURLTmpl for host type %q", key))
}
}
}
// A HostConfig describes the available ways to obtain buildlets of
// different types. Some host configs can server multiple
// builders. For example, a host config of "host-linux-jessie" can
// serve linux-amd64, linux-amd64-race, linux-386, linux-386-387, etc.
type HostConfig struct {
// HostType is the unique name of this host config. It is also
// the key in the Hosts map.
HostType string
// buildletURLTmpl is the URL "template" ($BUCKET is auto-expanded)
// for the URL to the buildlet binary.
// This field is required for VM and Container builders. It's not
// needed for reverse buildlets because in that case, the buildlets
// are already running and their stage0 should know how to update it
// it automatically.
buildletURLTmpl string
// Exactly 1 of these must be set:
VMImage string // e.g. "openbsd-amd64-60"
ContainerImage string // e.g. "linux-buildlet-std:latest" (suffix after "gcr.io/<PROJ>/")
IsReverse bool // if true, only use the reverse buildlet pool
// GCE options, if VMImage != ""
machineType string // optional GCE instance type
RegularDisk bool // if true, use spinning disk instead of SSD
MinCPUPlatform string // optional; https://cloud.google.com/compute/docs/instances/specify-min-cpu-platform
// ReverseOptions:
ExpectNum int // expected number of reverse buildlets of this type
HermeticReverse bool // whether reverse buildlet has fresh env per conn
// Container image options, if ContainerImage != "":
NestedVirt bool // container requires VMX nested virtualization
KonletVMImage string // optional VM image (containing konlet) to use instead of default
// Optional base env. GOROOT_BOOTSTRAP should go here if the buildlet
// has Go 1.4+ baked in somewhere.
env []string
// These template URLs may contain $BUCKET which is expanded to the
// relevant Cloud Storage bucket as specified by the build environment.
goBootstrapURLTmpl string // optional URL to a built Go 1.4+ tar.gz
Owner string // optional email of owner; "bradfitz@golang.org", empty means golang-dev
OwnerGithub string // optional GitHub username of owner
Notes string // notes for humans
SSHUsername string // username to ssh as, empty means not supported
}
// A BuildConfig describes how to run a builder.
type BuildConfig struct {
// Name is the unique name of the builder, in the form of
// "GOOS-GOARCH" or "GOOS-GOARCH-suffix". For example,
// "darwin-386", "linux-386-387", "linux-amd64-race". Some
// suffixes are well-known and carry special meaning, such as
// "-race".
Name string
// HostType is the required key into the Hosts map, describing
// the type of host this build will run on.
// For example, "host-linux-jessie".
HostType string
Notes string // notes for humans
// tryBot optionally specifies a policy func for whether trybots are enabled.
// nil means off. Even if tryBot returns true, BuildConfig.BuildsRepo must also
// return true. See the implementation of BuildConfig.BuildsRepoTryBot.
// The proj is "go", "net", etc. The branch is proj's branch.
// The goBranch is the same as branch for proj "go", else it's the go branch
// ("master, "release-branch.go1.12", etc).
tryBot func(proj, branch, goBranch string) bool
tryOnly bool // only used for trybots, and not regular builds
CompileOnly bool // if true, compile tests, but don't run them
FlakyNet bool // network tests are flaky (try anyway, but ignore some failures)
// buildsRepo optionally specifies whether this
// builder does builds (of any type) for the given repo ("go",
// "net", etc) and its branch ("master", "release-branch.go1.12").
//
// If nil, the default policy defaultBuildsRepoPolicy is used.
// (See buildsRepoAtAll for details.)
//
// To implement a minor change to the default policy, create a
// function that re-uses defaultBuildsRepoPolicy. For example:
//
// buildsRepo: func(repo, branch, goBranch string) bool {
// b := defaultBuildsRepoPolicy(repo, branch, goBranch)
// // ... modify b from the default value as needed ...
// return b
// }
//
// goBranch is the branch of "go" to build against. If repo == "go",
// goBranch == branch.
buildsRepo func(repo, branch, goBranch string) bool
// MinimumGoVersion optionally specifies the minimum Go version
// this builder is allowed to use. It can be useful for skipping
// builders that are too new and no longer support some supported
// Go versions. It doesn't need to be set for builders that support
// all supported Go versions.
//
// Note: This field currently has effect on trybot runs only.
//
// TODO: unexport this and make buildsRepoAtAll return false on too-old
// of repos. The callers in coordinator will need updating.
MinimumGoVersion types.MajorMinor
// SkipSnapshot, if true, means to not fetch a tarball
// snapshot of the world post-make.bash from the buildlet (and
// thus to not write it to Google Cloud Storage). This is
// incompatible with sharded tests, and should only be used
// for very slow builders or networks, unable to transfer
// the tarball in under ~5 minutes.
SkipSnapshot bool
// RunBench causes the coordinator to run benchmarks on this buildlet type.
RunBench bool
// StopAfterMake causes the build to stop after the make
// script completes, returning its result as the result of the
// whole build. It does not run or compile any of the tests,
// nor does it write a snapshot of the world to cloud
// storage. This option is only supported for builders whose
// BuildConfig.SplitMakeRun returns true.
StopAfterMake bool
// needsGoProxy is whether this builder should have GOPROXY set.
// Currently this is only for the longtest builder, which needs
// to run cmd/go tests fetching from the network.
needsGoProxy bool
// InstallRacePackages controls which packages to "go install
// -race <pkgs>" after running make.bash (or equivalent). If
// the builder ends in "-race", the default if non-nil is just
// "std".
InstallRacePackages []string
// GoDeps is a list of of git sha1 commits that must be in the
// commit to be tested's history. If absent, this builder is
// not run for that commit.
GoDeps []string
// CrossCompileConfig optionally specifies whether and how
// this build is cross compiled.
CrossCompileConfig *CrossCompileConfig
// shouldRunDistTest optionally specifies a function to
// override the BuildConfig.ShouldRunDistTest method's
// default behavior.
shouldRunDistTest func(distTest string, isTry bool) bool
// numTestHelpers is the number of _additional_ buildlets
// past the first one to help out with sharded tests.
// For trybots, the numTryHelpers value is used, unless it's
// zero, in which case numTestHelpers is used.
numTestHelpers int
numTryTestHelpers int // for trybots. if 0, numTesthelpers is used
env []string // extra environment ("key=value") pairs
allScriptArgs []string
testHostConf *HostConfig // override HostConfig for testing, at least for now
}
// Env returns the environment variables this builder should run with.
func (c *BuildConfig) Env() []string {
env := []string{"GO_BUILDER_NAME=" + c.Name}
if c.FlakyNet {
env = append(env, "GO_BUILDER_FLAKY_NET=1")
}
env = append(env, c.HostConfig().env...)
return append(env, c.env...)
}
// ModulesEnv returns the extra module-specific environment variables
// to append to this builder as a function of the repo being built
// ("go", "oauth2", "net", etc).
func (c *BuildConfig) ModulesEnv(repo string) (env []string) {
if c.IsReverse() && repo != "go" {
env = append(env, "GOPROXY=https://proxy.golang.org")
}
switch repo {
case "go":
if !c.OutboundNetworkAllowed() {
env = append(env, "GOPROXY=off")
}
case "oauth2", "build", "perf", "website":
env = append(env, "GO111MODULE=on")
}
return env
}
// ShouldTestPackageInGOPATHMode is used to control whether the package
// with the specified import path should be tested in GOPATH mode.
//
// When running tests for all golang.org/* repositories in GOPATH mode,
// this method is called repeatedly with the full import path of each
// package that is found and is being considered for testing in GOPATH
// mode. It's not used and has no effect on import paths in the main
// "go" repository. It has no effect on tests done in module mode.
//
// When considering making changes here, keep the release policy in mind:
//
// https://golang.org/doc/devel/release.html#policy
//
func (*BuildConfig) ShouldTestPackageInGOPATHMode(importPath string) bool {
if importPath == "golang.org/x/tools/gopls" ||
strings.HasPrefix(importPath, "golang.org/x/tools/gopls/") {
// Don't test golang.org/x/tools/gopls/... in GOPATH mode.
return false
}
if importPath == "golang.org/x/net/http2/h2demo" {
// Don't test golang.org/x/net/http2/h2demo in GOPATH mode.
//
// It was never tested before golang.org/issue/34361 because it
// had a +build h2demo constraint. But that build constraint is
// being removed, so explicitly skip testing it in GOPATH mode.
//
// The package is supported only in module mode now, since
// it requires third-party dependencies.
return false
}
// Test everything else in GOPATH mode as usual.
return true
}
func (c *BuildConfig) IsReverse() bool { return c.HostConfig().IsReverse }
func (c *BuildConfig) IsContainer() bool { return c.HostConfig().IsContainer() }
func (c *HostConfig) IsContainer() bool { return c.ContainerImage != "" }
func (c *BuildConfig) IsVM() bool { return c.HostConfig().IsVM() }
func (c *HostConfig) IsVM() bool { return c.VMImage != "" }
func (c *BuildConfig) GOOS() string { return c.Name[:strings.Index(c.Name, "-")] }
func (c *BuildConfig) GOARCH() string {
arch := c.Name[strings.Index(c.Name, "-")+1:]
i := strings.Index(arch, "-")
if i == -1 {
return arch
}
return arch[:i]
}
// MatchesSlowBotTerm reports whether some provided term from a
// TRY=... comment on a Run-TryBot+1 vote on Gerrit should match this
// build config.
func (c *BuildConfig) MatchesSlowBotTerm(term string) bool {
return term != "" && (term == c.Name || slowBotAliases[term] == c.Name)
}
// FilePathJoin is mostly like filepath.Join (without the cleaning) except
// it uses the path separator of c.GOOS instead of the host system's.
func (c *BuildConfig) FilePathJoin(x ...string) string {
if c.GOOS() == "windows" {
return strings.Join(x, "\\")
}
return strings.Join(x, "/")
}
// DistTestsExecTimeout returns how long the coordinator should wait
// for a cmd/dist test execution to run the provided dist test names.
func (c *BuildConfig) DistTestsExecTimeout(distTests []string) time.Duration {
// TODO: consider using distTests? We never did before, but
// now we have the TestStats in the coordinator. Pass in a
// *buildstats.TestStats and use historical data times some
// fudge factor? For now just use the old 20 minute limit
// we've used since 2014, but scale it by the
// GO_TEST_TIMEOUT_SCALE for the super slow builders which
// struggle with, say, the cgo tests. (which should be broken
// up into separate dist tests or shards, like the test/ dir
// was)
d := 20 * time.Minute
d *= time.Duration(c.timeoutScale())
return d
}
// timeoutScale returns this builder's GO_TEST_TIMEOUT_SCALE value, or 1.
func (c *BuildConfig) timeoutScale() int {
const pfx = "GO_TEST_TIMEOUT_SCALE="
for _, env := range [][]string{c.env, c.HostConfig().env} {
for _, kv := range env {
if strings.HasPrefix(kv, pfx) {
if n, err := strconv.Atoi(kv[len(pfx):]); err == nil && n > 0 {
return n
}
}
}
}
return 1
}
// HostConfig returns the host configuration of c.
func (c *BuildConfig) HostConfig() *HostConfig {
if c.testHostConf != nil {
return c.testHostConf
}
if c, ok := Hosts[c.HostType]; ok {
return c
}
panic(fmt.Sprintf("missing buildlet config for buildlet %q", c.Name))
}
// GoBootstrapURL returns the URL of a built Go 1.4+ tar.gz for the
// build configuration type c, or empty string if there isn't one.
func (c *BuildConfig) GoBootstrapURL(e *buildenv.Environment) string {
return strings.Replace(c.HostConfig().goBootstrapURLTmpl, "$BUCKET", e.BuildletBucket, 1)
}
// BuildletBinaryURL returns the public URL of this builder's buildlet.