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tstest/integration: test Alpine Linux (#2098)

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Alpine Linux[1] is a minimal Linux distribution built around musl libc.
It boots very quickly, requires very little ram and is as close as you
can get to an ideal citizen for testing Tailscale on musl. Alpine has a
Tailscale package already[2], but this patch also makes it easier for us
to provide an Alpine Linux package off of pkgs in the future.

Alpine only offers Tailscale on the rolling-release edge branch.

[1]: https://alpinelinux.org/
[2]: https://pkgs.alpinelinux.org/packages?name=tailscale&branch=edge

Updates #1988

Signed-off-by: Christine Dodrill <xe@tailscale.com>
pull/2108/head
Christine Dodrill 3 years ago committed by GitHub
parent 0affcd4e12
commit 8b2b899989
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 102 additions and 33 deletions
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23
cmd/tailscaled/tailscaled.openrc
Unescape Escape View File

@ -0,0 +1,23 @@
#!/sbin/openrc-run
source /etc/default/tailscaled
command="/usr/sbin/tailscaled"
command_args="--state=/var/lib/tailscale/tailscaled.state --port=$PORT --socket=/var/run/tailscale/tailscaled.sock $FLAGS"
command_background=true
pidfile="/run/tailscaled.pid"
start_stop_daemon_args="-1 /var/log/tailscaled.log -2 /var/log/tailscaled.log"
depend() {
need net
}
start_pre() {
mkdir -p /var/run/tailscale
mkdir -p /var/lib/tailscale
$command --cleanup
}
stop_post() {
$command --cleanup
}

112
tstest/integration/vms/vms_test.go
Unescape Escape View File

@ -67,6 +67,7 @@ type Distro struct {
sha256sum string // hex-encoded sha256 sum of contents of URL
mem int // VM memory in megabytes
packageManager string // yum/apt/dnf/zypper
initSystem string // systemd/openrc
}
func (d *Distro) InstallPre() string {
@ -85,7 +86,8 @@ func (d *Distro) InstallPre() string {
- [ apt-get, "-y", install, curl, "apt-transport-https", gnupg2 ]`
case "apk":
return ` - [ apk, "-U", add, curl, "ca-certificates" ]`
return ` - [ apk, "-U", add, curl, "ca-certificates", iptables ]
- [ modprobe, tun ]`
}
return ""
@ -111,8 +113,8 @@ func TestDownloadImages(t *testing.T) {
}
var distros = []Distro{
// NOTE(Xe): If you run into issues getting the autoconfig to work, comment
// out all the other distros and uncomment this one. Connect with a VNC
// NOTE(Xe): If you run into issues getting the autoconfig to work, run
// this test with the flag `--distro-regex=alpine-edge`. Connect with a VNC
// client with a command like this:
//
// $ vncviewer :0
@ -124,24 +126,36 @@ var distros = []Distro{
// Login as root with the password root. Then look in
// /var/log/cloud-init-output.log for what you messed up.
// {"alpine-edge", "https://xena.greedo.xeserv.us/pkg/alpine/img/alpine-edge-2021-05-18-cloud-init-within.qcow2", "b3bb15311c0bd3beffa1b554f022b75d3b7309b5fdf76fb146fe7c72b83b16d0", 256, "apk"},
{"amazon-linux", "https://cdn.amazonlinux.com/os-images/2.0.20210427.0/kvm/amzn2-kvm-2.0.20210427.0-x86_64.xfs.gpt.qcow2", "6ef9daef32cec69b2d0088626ec96410cd24afc504d57278bbf2f2ba2b7e529b", 512, "yum"},
{"arch", "https://mirror.pkgbuild.com/images/v20210515.22945/Arch-Linux-x86_64-cloudimg-20210515.22945.qcow2", "e4077f5ba3c5d545478f64834bc4852f9f7a2e05950fce8ecd0df84193162a27", 512, "pacman"},
{"centos-7", "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-2003.qcow2c", "b7555ecf90b24111f2efbc03c1e80f7b38f1e1fc7e1b15d8fee277d1a4575e87", 512, "yum"},
{"centos-8", "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.3.2011-20201204.2.x86_64.qcow2", "7ec97062618dc0a7ebf211864abf63629da1f325578868579ee70c495bed3ba0", 768, "dnf"},
{"debian-9", "http://cloud.debian.org/images/cloud/OpenStack/9.13.22-20210531/debian-9.13.22-20210531-openstack-amd64.qcow2", "c36e25f2ab0b5be722180db42ed9928476812f02d053620e1c287f983e9f6f1d", 512, "apt"},
{"debian-10", "https://cdimage.debian.org/images/cloud/buster/20210329-591/debian-10-generic-amd64-20210329-591.qcow2", "70c61956095870c4082103d1a7a1cb5925293f8405fc6cb348588ec97e8611b0", 768, "apt"},
{"fedora-34", "https://download.fedoraproject.org/pub/fedora/linux/releases/34/Cloud/x86_64/images/Fedora-Cloud-Base-34-1.2.x86_64.qcow2", "b9b621b26725ba95442d9a56cbaa054784e0779a9522ec6eafff07c6e6f717ea", 768, "dnf"},
{"opensuse-leap-15-1", "https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.1/images/openSUSE-Leap-15.1-OpenStack.x86_64.qcow2", "40bc72b8ee143364fc401f2c9c9a11ecb7341a29fa84c6f7bf42fc94acf19a02", 512, "zypper"},
{"opensuse-leap-15-2", "https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.2/images/openSUSE-Leap-15.2-OpenStack.x86_64.qcow2", "4df9cee9281d1f57d20f79dc65d76e255592b904760e73c0dd44ac753a54330f", 512, "zypper"},
{"opensuse-leap-15-3", "http://mirror.its.dal.ca/opensuse/distribution/leap/15.3/appliances/openSUSE-Leap-15.3-JeOS.x86_64-OpenStack-Cloud.qcow2", "22e0392e4d0becb523d1bc5f709366140b7ee20d6faf26de3d0f9046d1ee15d5", 512, "zypper"},
{"opensuse-tumbleweed", "https://download.opensuse.org/tumbleweed/appliances/openSUSE-Tumbleweed-JeOS.x86_64-OpenStack-Cloud.qcow2", "79e610bba3ed116556608f031c06e4b9260e3be2b193ce1727914ba213afac3f", 512, "zypper"},
{"ubuntu-16-04", "https://cloud-images.ubuntu.com/xenial/20210429/xenial-server-cloudimg-amd64-disk1.img", "50a21bc067c05e0c73bf5d8727ab61152340d93073b3dc32eff18b626f7d813b", 512, "apt"},
{"ubuntu-18-04", "https://cloud-images.ubuntu.com/bionic/20210526/bionic-server-cloudimg-amd64.img", "389ffd5d36bbc7a11bf384fd217cda9388ccae20e5b0cb7d4516733623c96022", 512, "apt"},
{"ubuntu-20-04", "https://cloud-images.ubuntu.com/focal/20210603/focal-server-cloudimg-amd64.img", "1c0969323b058ba8b91fec245527069c2f0502fc119b9138b213b6bfebd965cb", 512, "apt"},
{"ubuntu-20-10", "https://cloud-images.ubuntu.com/groovy/20210604/groovy-server-cloudimg-amd64.img", "2196df5f153faf96443e5502bfdbcaa0baaefbaec614348fec344a241855b0ef", 512, "apt"},
{"ubuntu-21-04", "https://cloud-images.ubuntu.com/hirsute/20210603/hirsute-server-cloudimg-amd64.img", "bf07f36fc99ff521d3426e7d257e28f0c81feebc9780b0c4f4e25ae594ff4d3b", 512, "apt"},
// NOTE(Xe): These images are not official images created by the Alpine Linux
// cloud team because the cloud team hasn't created any official images yet.
// These images were created under the guidance of the cloud team and contain
// few notable differences from what they would end up shipping. The Alpine
// Linux cloud team probably won't have official images up until a year or so
// after this comment is written (2021-06-11), but overall they will be
// compatible with these images. These images were created using the setup in
// this repo: https://github.com/Xe/alpine-image. I hereby promise to not break
// these links.
{"alpine-3-13-5", "https://xena.greedo.xeserv.us/pkg/alpine/img/alpine-3.13.5-cloud-init-within.qcow2", "a2665c16724e75899723e81d81126bd0254a876e5de286b0b21553734baec287", 256, "apk", "openrc"},
{"alpine-edge", "https://xena.greedo.xeserv.us/pkg/alpine/img/alpine-edge-2021-05-18-cloud-init-within.qcow2", "b3bb15311c0bd3beffa1b554f022b75d3b7309b5fdf76fb146fe7c72b83b16d0", 256, "apk", "openrc"},
// NOTE(Xe): All of the following images are official images straight from each
// distribution's official documentation.
{"amazon-linux", "https://cdn.amazonlinux.com/os-images/2.0.20210427.0/kvm/amzn2-kvm-2.0.20210427.0-x86_64.xfs.gpt.qcow2", "6ef9daef32cec69b2d0088626ec96410cd24afc504d57278bbf2f2ba2b7e529b", 512, "yum", "systemd"},
{"arch", "https://mirror.pkgbuild.com/images/v20210515.22945/Arch-Linux-x86_64-cloudimg-20210515.22945.qcow2", "e4077f5ba3c5d545478f64834bc4852f9f7a2e05950fce8ecd0df84193162a27", 512, "pacman", "systemd"},
{"centos-7", "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-2003.qcow2c", "b7555ecf90b24111f2efbc03c1e80f7b38f1e1fc7e1b15d8fee277d1a4575e87", 512, "yum", "systemd"},
{"centos-8", "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.3.2011-20201204.2.x86_64.qcow2", "7ec97062618dc0a7ebf211864abf63629da1f325578868579ee70c495bed3ba0", 768, "dnf", "systemd"},
{"debian-9", "http://cloud.debian.org/images/cloud/OpenStack/9.13.22-20210531/debian-9.13.22-20210531-openstack-amd64.qcow2", "c36e25f2ab0b5be722180db42ed9928476812f02d053620e1c287f983e9f6f1d", 512, "apt", "systemd"},
{"debian-10", "https://cdimage.debian.org/images/cloud/buster/20210329-591/debian-10-generic-amd64-20210329-591.qcow2", "70c61956095870c4082103d1a7a1cb5925293f8405fc6cb348588ec97e8611b0", 768, "apt", "systemd"},
{"fedora-34", "https://download.fedoraproject.org/pub/fedora/linux/releases/34/Cloud/x86_64/images/Fedora-Cloud-Base-34-1.2.x86_64.qcow2", "b9b621b26725ba95442d9a56cbaa054784e0779a9522ec6eafff07c6e6f717ea", 768, "dnf", "systemd"},
{"opensuse-leap-15-1", "https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.1/images/openSUSE-Leap-15.1-OpenStack.x86_64.qcow2", "40bc72b8ee143364fc401f2c9c9a11ecb7341a29fa84c6f7bf42fc94acf19a02", 512, "zypper", "systemd"},
{"opensuse-leap-15-2", "https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.2/images/openSUSE-Leap-15.2-OpenStack.x86_64.qcow2", "4df9cee9281d1f57d20f79dc65d76e255592b904760e73c0dd44ac753a54330f", 512, "zypper", "systemd"},
{"opensuse-leap-15-3", "http://mirror.its.dal.ca/opensuse/distribution/leap/15.3/appliances/openSUSE-Leap-15.3-JeOS.x86_64-OpenStack-Cloud.qcow2", "22e0392e4d0becb523d1bc5f709366140b7ee20d6faf26de3d0f9046d1ee15d5", 512, "zypper", "systemd"},
{"opensuse-tumbleweed", "https://download.opensuse.org/tumbleweed/appliances/openSUSE-Tumbleweed-JeOS.x86_64-OpenStack-Cloud.qcow2", "79e610bba3ed116556608f031c06e4b9260e3be2b193ce1727914ba213afac3f", 512, "zypper", "systemd"},
{"ubuntu-16-04", "https://cloud-images.ubuntu.com/xenial/20210429/xenial-server-cloudimg-amd64-disk1.img", "50a21bc067c05e0c73bf5d8727ab61152340d93073b3dc32eff18b626f7d813b", 512, "apt", "systemd"},
{"ubuntu-18-04", "https://cloud-images.ubuntu.com/bionic/20210526/bionic-server-cloudimg-amd64.img", "389ffd5d36bbc7a11bf384fd217cda9388ccae20e5b0cb7d4516733623c96022", 512, "apt", "systemd"},
{"ubuntu-20-04", "https://cloud-images.ubuntu.com/focal/20210603/focal-server-cloudimg-amd64.img", "1c0969323b058ba8b91fec245527069c2f0502fc119b9138b213b6bfebd965cb", 512, "apt", "systemd"},
{"ubuntu-20-10", "https://cloud-images.ubuntu.com/groovy/20210604/groovy-server-cloudimg-amd64.img", "2196df5f153faf96443e5502bfdbcaa0baaefbaec614348fec344a241855b0ef", 512, "apt", "systemd"},
{"ubuntu-21-04", "https://cloud-images.ubuntu.com/hirsute/20210603/hirsute-server-cloudimg-amd64.img", "bf07f36fc99ff521d3426e7d257e28f0c81feebc9780b0c4f4e25ae594ff4d3b", 512, "apt", "systemd"},
}
// fetchFromS3 fetches a distribution image from Amazon S3 or reports whether
@ -589,13 +603,13 @@ func TestVMIntegrationEndToEnd(t *testing.T) {
}
})
testDistro(t, loginServer, signer, ipm, bins)
testDistro(t, loginServer, distro, signer, ipm, bins)
})
}
})
}
func testDistro(t *testing.T, loginServer string, signer ssh.Signer, ipm ipMapping, bins *integration.Binaries) {
func testDistro(t *testing.T, loginServer string, d Distro, signer ssh.Signer, ipm ipMapping, bins *integration.Binaries) {
t.Helper()
port := ipm.port
hostport := fmt.Sprintf("127.0.0.1:%d", port)
@ -631,11 +645,18 @@ func testDistro(t *testing.T, loginServer string, signer ssh.Signer, ipm ipMappi
if err != nil {
t.Fatal(err)
}
copyBinaries(t, cli, bins)
copyBinaries(t, d, cli, bins)
timeout := 5 * time.Minute
timeout := 30 * time.Second
e, _, err := expect.SpawnSSH(cli, timeout, expect.Verbose(true), expect.VerboseWriter(log.Writer()))
e, _, err := expect.SpawnSSH(cli, timeout,
expect.Verbose(true),
expect.VerboseWriter(log.Writer()),
// // NOTE(Xe): if you get a timeout, uncomment this line to have the raw
// output be sent to the test log quicker.
//expect.Tee(nopWriteCloser{log.Writer()}),
)
if err != nil {
t.Fatalf("%d: can't register a shell session: %v", port, err)
}
@ -648,7 +669,17 @@ func testDistro(t *testing.T, loginServer string, signer ssh.Signer, ipm ipMappi
t.Fatalf("%d: can't get a shell: %v", port, err)
}
t.Logf("got shell for %d", port)
err = e.Send("systemctl start tailscaled.service\n")
switch d.initSystem {
case "openrc":
// NOTE(Xe): this is a sin, however openrc doesn't really have the concept
// of service readiness. If this sleep is removed then tailscale will not be
// ready once the `tailscale up` command is sent. This is not ideal, but I
// am not really sure there is a good way around this without a delay of
// some kind.
err = e.Send("rc-service tailscaled start && sleep 2\n")
case "systemd":
err = e.Send("systemctl start tailscaled.service\n")
}
if err != nil {
t.Fatalf("can't send command to start tailscaled: %v", err)
}
@ -656,7 +687,7 @@ func testDistro(t *testing.T, loginServer string, signer ssh.Signer, ipm ipMappi
if err != nil {
t.Fatalf("%d: can't get a shell: %v", port, err)
}
err = e.Send(fmt.Sprintf("sudo tailscale up --login-server %s\n", loginServer))
err = e.Send(fmt.Sprintf("tailscale up --login-server %s\n", loginServer))
if err != nil {
t.Fatalf("%d: can't send tailscale up command: %v", port, err)
}
@ -666,7 +697,7 @@ func testDistro(t *testing.T, loginServer string, signer ssh.Signer, ipm ipMappi
}
}
func copyBinaries(t *testing.T, conn *ssh.Client, bins *integration.Binaries) {
func copyBinaries(t *testing.T, d Distro, conn *ssh.Client, bins *integration.Binaries) {
cli, err := sftp.NewClient(conn)
if err != nil {
t.Fatalf("can't connect over sftp to copy binaries: %v", err)
@ -674,16 +705,23 @@ func copyBinaries(t *testing.T, conn *ssh.Client, bins *integration.Binaries) {
mkdir(t, cli, "/usr/bin")
mkdir(t, cli, "/usr/sbin")
mkdir(t, cli, "/etc/systemd/system")
mkdir(t, cli, "/etc/default")
mkdir(t, cli, "/var/lib/tailscale")
copyFile(t, cli, bins.Daemon, "/usr/sbin/tailscaled")
copyFile(t, cli, bins.CLI, "/usr/bin/tailscale")
// TODO(Xe): revisit this life decision, hopefully before this assumption
// breaks the test.
// TODO(Xe): revisit this assumption before it breaks the test.
copyFile(t, cli, "../../../cmd/tailscaled/tailscaled.defaults", "/etc/default/tailscaled")
copyFile(t, cli, "../../../cmd/tailscaled/tailscaled.service", "/etc/systemd/system/tailscaled.service")
switch d.initSystem {
case "openrc":
mkdir(t, cli, "/etc/init.d")
copyFile(t, cli, "../../../cmd/tailscaled/tailscaled.openrc", "/etc/init.d/tailscaled")
case "systemd":
mkdir(t, cli, "/etc/systemd/system")
copyFile(t, cli, "../../../cmd/tailscaled/tailscaled.service", "/etc/systemd/system/tailscaled.service")
}
t.Log("tailscale installed!")
}
@ -767,6 +805,14 @@ func TestDeriveBindhost(t *testing.T) {
t.Log(deriveBindhost(t))
}
//lint:ignore U1000 Xe: used when debugging the virtual machines
type nopWriteCloser struct {
io.Writer
}
//lint:ignore U1000 Xe: used when debugging the virtual machines
func (nwc nopWriteCloser) Close() error { return nil }
const metaDataTemplate = `instance-id: {{.ID}}
local-hostname: {{.Hostname}}`

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