diff --git a/runner/libvirt/helper.go b/runner/libvirt/helper.go
index a6ca134caf433fa67bd975e00de1b5d2c203b372..8295e8a40570079ad27399e177b56572052395e0 100644
--- a/runner/libvirt/helper.go
+++ b/runner/libvirt/helper.go
@@ -262,9 +262,13 @@ func isASCIIDigit(c rune) bool {
return '0' <= c && c <= '9'
}
+func hasFunction(d *device, fs ...topology.DeviceFunction) bool {
+ return topology.HasFunction(&d.topoDev, fs...)
+}
+
// Returns whether d defaults to Cumulus Linux.
func hasCumulusFunction(d *device) bool {
- return topology.HasFunction(&d.topoDev,
+ return hasFunction(d,
topology.OOBSwitch,
topology.Exit,
topology.SuperSpine,
diff --git a/runner/libvirt/runner_test.go b/runner/libvirt/runner_test.go
index 1ded3a4588d47f85a751948a13710631aafafd76..3a5669b5fd95e19b730af3e0e54847938f7d36fc 100644
--- a/runner/libvirt/runner_test.go
+++ b/runner/libvirt/runner_test.go
@@ -3,22 +3,27 @@ package libvirt
import (
"bytes"
"context"
- "crypto/ed25519"
"crypto/rand"
+ "encoding/json"
+ "errors"
"fmt"
- "io"
"net"
"os"
- "strings"
+ "path/filepath"
"testing"
"time"
- "github.com/pkg/sftp"
- "go4.org/writerutil"
"golang.org/x/crypto/ssh"
"slrz.net/runtopo/topology"
)
+type ptmDetail struct {
+ Port string `json:"port"`
+ Status string `json:"cbl status"`
+ ActualNeighbor string `json:"act nbr"`
+ ExpectedNeighbor string `json:"exp nbr"`
+}
+
func TestRuntopo(t *testing.T) {
if testing.Short() {
t.SkipNow()
@@ -86,36 +91,147 @@ func TestRuntopo(t *testing.T) {
}
defer oob.Close()
- for hostname, d := range r.devices {
- if d.topoDev.Function() != topology.Host {
+ // Upload configuration for network devices (frr.conf and interfaces)
+ for hostname := range r.devices {
+ var files [2][]byte
+ sources := []string{
+ filepath.Join("testdata/configs/interfaces", hostname),
+ filepath.Join("testdata/configs/frr", hostname),
+ }
+
+ for i, src := range sources {
+ p, err := os.ReadFile(src)
+ if err != nil {
+ if errors.Is(err, os.ErrNotExist) {
+ continue
+ }
+ t.Fatal(err)
+ }
+ files[i] = p
+ }
+
+ if files[0] == nil && files[1] == nil {
continue
}
- var fileData []byte
- err := withBackoff(nretries, func() error {
+
+ interfaces, frrConf := files[0], files[1]
+ err = withBackoff(nretries, func() error {
c, err := proxyJump(oob, hostname, sshConfig)
if err != nil {
return err
}
defer c.Close()
- p, err := sftpGet(c, "/kilroywashere")
- if err != nil {
- return err
+ if len(interfaces) > 0 {
+ err := sftpPut(c, "/etc/network/interfaces",
+ interfaces)
+ if err != nil {
+ return err
+ }
+ }
+ if len(frrConf) > 0 {
+ return sftpPut(c, "/etc/frr/frr.conf", frrConf)
}
-
- fileData = p
return nil
})
if err != nil {
- t.Errorf("%s: %v (giving up after %d retries)",
- hostname, err, nretries)
- continue
+ t.Fatal(err)
}
- if !bytes.Equal(fileData, []byte("abcdef\n")) {
- t.Errorf("%s: unexpected file content: got %q, want %q",
- hostname, fileData, "abcdef\n")
+
+ err = withBackoff(nretries, func() error {
+ c, err := proxyJump(oob, hostname, sshConfig)
+ if err != nil {
+ return err
+ }
+ defer c.Close()
+ commands := [][]string{
+ {"sed", "-i", "s/^bgpd=no/bgpd=yes/", "/etc/frr/daemons"},
+ {"ifreload", "-a"},
+ {"systemctl", "restart", "frr.service"},
+ }
+ for _, argv := range commands {
+ _, err := runCommand(c, argv[0], argv[1:]...)
+ if err != nil {
+ return err
+ }
+ }
+ t.Logf("=== %s ===", hostname)
+ p, err := runCommand(c, "net", "show", "int")
+ t.Logf("%s\n===", p)
+ return err
+ })
+ if err != nil {
+ t.Fatal(err)
}
}
+
+ t.Run("config-nodeattr", func(t *testing.T) {
+ for hostname, d := range r.devices {
+ if !hasFunction(d, topology.Host) {
+ continue
+ }
+ var fileData []byte
+ err := withBackoff(nretries, func() error {
+ c, err := proxyJump(oob, hostname, sshConfig)
+ if err != nil {
+ return err
+ }
+ defer c.Close()
+
+ p, err := sftpGet(c, "/kilroywashere")
+ if err != nil {
+ return err
+ }
+
+ fileData = p
+ return nil
+ })
+ if err != nil {
+ t.Errorf("%s: %v (giving up after %d retries)",
+ hostname, err, nretries)
+ continue
+ }
+ if !bytes.Equal(fileData, []byte("abcdef\n")) {
+ t.Errorf("%s: unexpected file content: got %q, want %q",
+ hostname, fileData, "abcdef\n")
+ }
+ }
+ })
+ t.Run("ptm-topology", func(t *testing.T) {
+ for hostname, d := range r.devices {
+ if !hasFunction(d, topology.Spine, topology.Leaf) {
+ continue
+ }
+ err := withBackoff(nretries, func() error {
+ c, err := proxyJump(oob, hostname, sshConfig)
+ if err != nil {
+ return err
+ }
+ defer c.Close()
+
+ p, err := runCommand(c, "ptmctl", "--json", "--detail")
+ if err != nil {
+ return err
+ }
+ // Ptmctl gives us a JSON object with numeric
+ // string indices: {"0": {}, "1": {}, ...}.
+ ptm := make(map[string]*ptmDetail)
+ if err := json.Unmarshal(p, &ptm); err != nil {
+ return err
+ }
+ for _, v := range ptm {
+ if v.Status != "pass" {
+ return fmt.Errorf("%s: got %s, want %s",
+ v.Port, v.ActualNeighbor, v.ExpectedNeighbor)
+ }
+ }
+ return nil
+ })
+ if err != nil {
+ t.Fatalf("%s: %v", hostname, err)
+ }
+ }
+ })
}
func withBackoff(attempts int, f func() error) (err error) {
@@ -147,130 +263,3 @@ func minInt64(a, b int64) int64 {
}
return a
}
-
-func proxyJump(c *ssh.Client, addr string, config *ssh.ClientConfig) (cc *ssh.Client, err error) {
- defer func() {
- if err != nil {
- err = fmt.Errorf("proxyJump %s: %w", addr, err)
- }
- }()
-
- conn, err := c.Dial("tcp", net.JoinHostPort(addr, "22"))
- if err != nil {
- return nil, err
- }
- sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
- if err != nil {
- conn.Close()
- return nil, err
- }
-
- return ssh.NewClient(sshConn, chans, reqs), nil
-}
-
-func runCommand(c *ssh.Client, name string, args ...string) ([]byte, error) {
- var b strings.Builder
-
- b.WriteString(shellQuote(name))
- for _, a := range args {
- b.WriteByte(' ')
- b.WriteString(shellQuote(a))
- }
- cmd := b.String()
-
- sess, err := c.NewSession()
- if err != nil {
- return nil, err
- }
- defer sess.Close()
-
- var stdout bytes.Buffer
- stderr := &writerutil.PrefixSuffixSaver{N: 1024}
- sess.Stdout = &stdout
- sess.Stderr = stderr
-
- if err := sess.Run(cmd); err != nil {
- if msg := stderr.Bytes(); len(msg) > 0 {
- return nil, fmt.Errorf("runCommand: %w | %s |", err, msg)
- }
- return nil, fmt.Errorf("runCommand: %w", err)
- }
-
- return stdout.Bytes(), nil
-}
-
-func sftpGet(conn *ssh.Client, path string) (content []byte, err error) {
- c, err := sftp.NewClient(conn)
- if err != nil {
- return nil, err
- }
- defer c.Close()
-
- fd, err := c.Open(path)
- if err != nil {
- return nil, err
- }
- defer fd.Close()
-
- return io.ReadAll(fd)
-}
-
-func sftpPutReader(conn *ssh.Client, dstPath string, src io.Reader) (err error) {
- c, err := sftp.NewClient(conn)
- if err != nil {
- return err
- }
- defer c.Close()
-
- fd, err := c.Create(dstPath)
- if err != nil {
- return err
- }
- defer func() {
- if cerr := fd.Close(); err == nil {
- err = cerr
- }
- }()
-
- _, err = io.Copy(fd, src)
- return err
-}
-
-func sftpPut(conn *ssh.Client, dstPath string, content []byte) (err error) {
- return sftpPutReader(conn, dstPath, bytes.NewReader(content))
-}
-
-func sshKeygen(rand io.Reader) (ssh.Signer, []byte, error) {
- _, sk, err := ed25519.GenerateKey(rand)
- if err != nil {
- return nil, nil, err
- }
-
- signer, err := ssh.NewSignerFromSigner(sk)
- if err != nil {
- return nil, nil, err
- }
-
- sshPubKey := ssh.MarshalAuthorizedKey(signer.PublicKey())
-
- return signer, sshPubKey, nil
-}
-
-func mustReadFile(path string) []byte {
- p, err := os.ReadFile(path)
- if err != nil {
- panic(err)
- }
- return p
-}
-
-// ShellQuote returns s in a form suitable to pass it to the shell as an
-// argument. Obviously, it works for Bourne-like shells only. The way this
-// works is that first the whole string is enclosed in single quotes. Now the
-// only character that needs special handling is the single quote itself. We
-// replace it by '\'' (the outer quotes are part of the replacement) and make
-// use of the fact that the shell concatenates adjacent strings.
-func shellQuote(s string) string {
- t := strings.Replace(s, "'", `'\''`, -1)
- return "'" + t + "'"
-}
diff --git a/runner/libvirt/sshutil_test.go b/runner/libvirt/sshutil_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..c148a77f9661f18aa4a3c992a0f354811baac385
--- /dev/null
+++ b/runner/libvirt/sshutil_test.go
@@ -0,0 +1,135 @@
+package libvirt
+
+// SSH helpers used in tests.
+
+import (
+ "bytes"
+ "crypto/ed25519"
+ "fmt"
+ "io"
+ "net"
+ "strings"
+
+ "github.com/pkg/sftp"
+ "go4.org/writerutil"
+ "golang.org/x/crypto/ssh"
+)
+
+func proxyJump(c *ssh.Client, addr string, config *ssh.ClientConfig) (cc *ssh.Client, err error) {
+ defer func() {
+ if err != nil {
+ err = fmt.Errorf("proxyJump %s: %w", addr, err)
+ }
+ }()
+
+ conn, err := c.Dial("tcp", net.JoinHostPort(addr, "22"))
+ if err != nil {
+ return nil, err
+ }
+ sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
+ if err != nil {
+ conn.Close()
+ return nil, err
+ }
+
+ return ssh.NewClient(sshConn, chans, reqs), nil
+}
+
+func runCommand(c *ssh.Client, name string, args ...string) ([]byte, error) {
+ var b strings.Builder
+
+ b.WriteString(shellQuote(name))
+ for _, a := range args {
+ b.WriteByte(' ')
+ b.WriteString(shellQuote(a))
+ }
+ cmd := b.String()
+
+ sess, err := c.NewSession()
+ if err != nil {
+ return nil, err
+ }
+ defer sess.Close()
+
+ var stdout bytes.Buffer
+ stderr := &writerutil.PrefixSuffixSaver{N: 1024}
+ sess.Stdout = &stdout
+ sess.Stderr = stderr
+
+ if err := sess.Run(cmd); err != nil {
+ if msg := stderr.Bytes(); len(msg) > 0 {
+ return nil, fmt.Errorf("runCommand: %w | %s |", err, msg)
+ }
+ return nil, fmt.Errorf("runCommand: %w", err)
+ }
+
+ return stdout.Bytes(), nil
+}
+
+func sftpGet(conn *ssh.Client, path string) (content []byte, err error) {
+ c, err := sftp.NewClient(conn)
+ if err != nil {
+ return nil, err
+ }
+ defer c.Close()
+
+ fd, err := c.Open(path)
+ if err != nil {
+ return nil, err
+ }
+ defer fd.Close()
+
+ return io.ReadAll(fd)
+}
+
+func sftpPutReader(conn *ssh.Client, dstPath string, src io.Reader) (err error) {
+ c, err := sftp.NewClient(conn)
+ if err != nil {
+ return err
+ }
+ defer c.Close()
+
+ fd, err := c.Create(dstPath)
+ if err != nil {
+ return err
+ }
+ defer func() {
+ if cerr := fd.Close(); err == nil {
+ err = cerr
+ }
+ }()
+
+ _, err = io.Copy(fd, src)
+ return err
+}
+
+func sftpPut(conn *ssh.Client, dstPath string, content []byte) (err error) {
+ return sftpPutReader(conn, dstPath, bytes.NewReader(content))
+}
+
+func sshKeygen(rand io.Reader) (ssh.Signer, []byte, error) {
+ _, sk, err := ed25519.GenerateKey(rand)
+ if err != nil {
+ return nil, nil, err
+ }
+
+ signer, err := ssh.NewSignerFromSigner(sk)
+ if err != nil {
+ return nil, nil, err
+ }
+
+ sshPubKey := ssh.MarshalAuthorizedKey(signer.PublicKey())
+
+ return signer, sshPubKey, nil
+}
+
+// ShellQuote returns s in a form suitable to pass it to the shell as an
+// argument. Obviously, it works for Bourne-like shells only. The way this
+// works is that first the whole string is enclosed in single quotes. Now the
+// only character that needs special handling is the single quote itself. We
+// replace it by '\'' (the outer quotes are part of the replacement) and make
+// use of the fact that the shell concatenates adjacent strings.
+func shellQuote(s string) string {
+ t := strings.Replace(s, "'", `'\''`, -1)
+ return "'" + t + "'"
+}
diff --git a/runner/libvirt/testdata/configs/frr/leaf0 b/runner/libvirt/testdata/configs/frr/leaf0
new file mode 100644
index 0000000000000000000000000000000000000000..03699a067921f5ca8698f156429e5310783058d4
--- /dev/null
+++ b/runner/libvirt/testdata/configs/frr/leaf0
@@ -0,0 +1,33 @@
+frr defaults datacenter
+hostname spine0
+username cumulus nopassword
+!
+service integrated-vtysh-config
+!
+log syslog informational
+!
+line vty
+!
+
+router bgp 65100
+ bgp router-id 10.42.42.100
+ bgp bestpath as-path multipath-relax
+ neighbor fabric peer-group
+ neighbor fabric remote-as external
+ neighbor fabric bfd
+ neighbor swp1 interface peer-group fabric
+ neighbor swp2 interface peer-group fabric
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+ redistribute connected
+ neighbor fabric activate
+ exit-address-family
+!
+
+interface vlan100
+ no ipv6 nd suppress-ra
+!
diff --git a/runner/libvirt/testdata/configs/frr/leaf1 b/runner/libvirt/testdata/configs/frr/leaf1
new file mode 100644
index 0000000000000000000000000000000000000000..34343e057ccae9aca37981e6c8fa07807f788a16
--- /dev/null
+++ b/runner/libvirt/testdata/configs/frr/leaf1
@@ -0,0 +1,33 @@
+frr defaults datacenter
+hostname spine0
+username cumulus nopassword
+!
+service integrated-vtysh-config
+!
+log syslog informational
+!
+line vty
+!
+
+router bgp 65110
+ bgp router-id 10.42.42.110
+ bgp bestpath as-path multipath-relax
+ neighbor fabric peer-group
+ neighbor fabric remote-as external
+ neighbor fabric bfd
+ neighbor swp1 interface peer-group fabric
+ neighbor swp2 interface peer-group fabric
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+ redistribute connected
+ neighbor fabric activate
+ exit-address-family
+!
+
+interface vlan101
+ no ipv6 nd suppress-ra
+!
diff --git a/runner/libvirt/testdata/configs/frr/leaf2 b/runner/libvirt/testdata/configs/frr/leaf2
new file mode 100644
index 0000000000000000000000000000000000000000..eb3148ee7299df3dacf3d72be295324aae6b48a0
--- /dev/null
+++ b/runner/libvirt/testdata/configs/frr/leaf2
@@ -0,0 +1,33 @@
+frr defaults datacenter
+hostname spine0
+username cumulus nopassword
+!
+service integrated-vtysh-config
+!
+log syslog informational
+!
+line vty
+!
+
+router bgp 65120
+ bgp router-id 10.42.42.120
+ bgp bestpath as-path multipath-relax
+ neighbor fabric peer-group
+ neighbor fabric remote-as external
+ neighbor fabric bfd
+ neighbor swp1 interface peer-group fabric
+ neighbor swp2 interface peer-group fabric
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+ redistribute connected
+ neighbor fabric activate
+ exit-address-family
+!
+
+interface vlan102
+ no ipv6 nd suppress-ra
+!
diff --git a/runner/libvirt/testdata/configs/frr/spine0 b/runner/libvirt/testdata/configs/frr/spine0
new file mode 100644
index 0000000000000000000000000000000000000000..bdb66c7359d63d56692da363621f7fea802ae492
--- /dev/null
+++ b/runner/libvirt/testdata/configs/frr/spine0
@@ -0,0 +1,30 @@
+frr defaults datacenter
+hostname spine0
+username cumulus nopassword
+!
+service integrated-vtysh-config
+!
+log syslog informational
+!
+line vty
+!
+
+router bgp 65200
+ bgp router-id 10.42.42.200
+ bgp bestpath as-path multipath-relax
+ neighbor fabric peer-group
+ neighbor fabric remote-as external
+ neighbor fabric bfd
+ neighbor swp1 interface peer-group fabric
+ neighbor swp2 interface peer-group fabric
+ neighbor swp3 interface peer-group fabric
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+ redistribute connected
+ neighbor fabric activate
+ exit-address-family
+!
diff --git a/runner/libvirt/testdata/configs/frr/spine1 b/runner/libvirt/testdata/configs/frr/spine1
new file mode 100644
index 0000000000000000000000000000000000000000..4ff7be239226cd9c711a295302d0f0c36d049baf
--- /dev/null
+++ b/runner/libvirt/testdata/configs/frr/spine1
@@ -0,0 +1,30 @@
+frr defaults datacenter
+hostname spine0
+username cumulus nopassword
+!
+service integrated-vtysh-config
+!
+log syslog informational
+!
+line vty
+!
+
+router bgp 65200
+ bgp router-id 10.42.42.201
+ bgp bestpath as-path multipath-relax
+ neighbor fabric peer-group
+ neighbor fabric remote-as external
+ neighbor fabric bfd
+ neighbor swp1 interface peer-group fabric
+ neighbor swp2 interface peer-group fabric
+ neighbor swp3 interface peer-group fabric
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+ redistribute connected
+ neighbor fabric activate
+ exit-address-family
+!
diff --git a/runner/libvirt/testdata/configs/interfaces/leaf0 b/runner/libvirt/testdata/configs/interfaces/leaf0
new file mode 100644
index 0000000000000000000000000000000000000000..4a9a5774511b1575e8e23dbd4bfafc5b8c8b8687
--- /dev/null
+++ b/runner/libvirt/testdata/configs/interfaces/leaf0
@@ -0,0 +1,39 @@
+auto lo
+iface lo inet loopback
+ address 10.42.42.100/32
+ address fd4c:3138:80cc::100/128
+
+auto mgmt
+iface mgmt
+ vrf-table auto
+ address 127.0.0.1/8
+ address ::1/128
+
+auto eth0
+iface eth0 inet dhcp
+ vrf mgmt
+
+auto swp1
+iface swp1
+
+auto swp2
+iface swp2
+
+auto swp3
+iface swp3
+ bridge-access 100
+ mstpctl-bpduguard yes
+ mstpctl-portadminedge yes
+
+auto bridge
+iface bridge
+ bridge-ports swp3
+ bridge-vids 100
+ bridge-vlan-aware yes
+
+auto vlan100
+iface vlan100
+ address 10.42.100.1/24
+ address fd4c:3138:80cc:64::1/64
+ vlan-id 100
+ vlan-raw-device bridge
diff --git a/runner/libvirt/testdata/configs/interfaces/leaf1 b/runner/libvirt/testdata/configs/interfaces/leaf1
new file mode 100644
index 0000000000000000000000000000000000000000..517289de2cdd4f5216e753c3524c799c1c339a3a
--- /dev/null
+++ b/runner/libvirt/testdata/configs/interfaces/leaf1
@@ -0,0 +1,39 @@
+auto lo
+iface lo inet loopback
+ address 10.42.42.110/32
+ address fd4c:3138:80cc::110/128
+
+auto mgmt
+iface mgmt
+ vrf-table auto
+ address 127.0.0.1/8
+ address ::1/128
+
+auto eth0
+iface eth0 inet dhcp
+ vrf mgmt
+
+auto swp1
+iface swp1
+
+auto swp2
+iface swp2
+
+auto swp3
+iface swp3
+ bridge-access 101
+ mstpctl-bpduguard yes
+ mstpctl-portadminedge yes
+
+auto bridge
+iface bridge
+ bridge-ports swp3
+ bridge-vids 101
+ bridge-vlan-aware yes
+
+auto vlan101
+iface vlan101
+ address 10.42.101.1/24
+ address fd4c:3138:80cc:65::1/64
+ vlan-id 101
+ vlan-raw-device bridge
diff --git a/runner/libvirt/testdata/configs/interfaces/leaf2 b/runner/libvirt/testdata/configs/interfaces/leaf2
new file mode 100644
index 0000000000000000000000000000000000000000..ce7ea41b8cc87ef8d035df6c450ec01bce7647f2
--- /dev/null
+++ b/runner/libvirt/testdata/configs/interfaces/leaf2
@@ -0,0 +1,39 @@
+auto lo
+iface lo inet loopback
+ address 10.42.42.120/32
+ address fd4c:3138:80cc::120/128
+
+auto mgmt
+iface mgmt
+ vrf-table auto
+ address 127.0.0.1/8
+ address ::1/128
+
+auto eth0
+iface eth0 inet dhcp
+ vrf mgmt
+
+auto swp1
+iface swp1
+
+auto swp2
+iface swp2
+
+auto swp3
+iface swp3
+ bridge-access 102
+ mstpctl-bpduguard yes
+ mstpctl-portadminedge yes
+
+auto bridge
+iface bridge
+ bridge-ports swp3
+ bridge-vids 102
+ bridge-vlan-aware yes
+
+auto vlan102
+iface vlan102
+ address 10.42.102.1/24
+ address fd4c:3138:80cc:66::1/64
+ vlan-id 102
+ vlan-raw-device bridge
diff --git a/runner/libvirt/testdata/configs/interfaces/spine0 b/runner/libvirt/testdata/configs/interfaces/spine0
new file mode 100644
index 0000000000000000000000000000000000000000..878d8d9553b76067a9cefd26a6b12638f743cc3d
--- /dev/null
+++ b/runner/libvirt/testdata/configs/interfaces/spine0
@@ -0,0 +1,23 @@
+auto lo
+iface lo inet loopback
+ address 10.42.42.200/32
+ address fd4c:3138:80cc::200/128
+
+auto mgmt
+iface mgmt
+ vrf-table auto
+ address 127.0.0.1/8
+ address ::1/128
+
+auto eth0
+iface eth0 inet dhcp
+ vrf mgmt
+
+auto swp1
+iface swp1
+
+auto swp2
+iface swp2
+
+auto swp3
+iface swp3
diff --git a/runner/libvirt/testdata/configs/interfaces/spine1 b/runner/libvirt/testdata/configs/interfaces/spine1
new file mode 100644
index 0000000000000000000000000000000000000000..36e77081684d71c589564ba4bb5f9fb737d286cc
--- /dev/null
+++ b/runner/libvirt/testdata/configs/interfaces/spine1
@@ -0,0 +1,23 @@
+auto lo
+iface lo inet loopback
+ address 10.42.42.201/32
+ address fd4c:3138:80cc::201/128
+
+auto mgmt
+iface mgmt
+ vrf-table auto
+ address 127.0.0.1/8
+ address ::1/128
+
+auto eth0
+iface eth0 inet dhcp
+ vrf mgmt
+
+auto swp1
+iface swp1
+
+auto swp2
+iface swp2
+
+auto swp3
+iface swp3