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datasource: add vmware

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This commit is contained in:
Alex Crawford 2015-05-18 21:10:34 -07:00
parent 13dc11abf3
commit d675638776
5 changed files with 879 additions and 0 deletions
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154
datasource/vmware/vmware.go Normal file
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// Copyright 2015 CoreOS, 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.
package vmware
import (
"fmt"
"log"
"net"
"github.com/coreos/coreos-cloudinit/config"
"github.com/coreos/coreos-cloudinit/datasource"
"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/sigma/vmw-guestinfo/rpcvmx"
"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/sigma/vmw-guestinfo/vmcheck"
)
type vmware struct {
readConfig func(key string) (string, error)
}
func NewDatasource() *vmware {
return &vmware{readConfig}
}
func (v vmware) IsAvailable() bool {
return vmcheck.IsVirtualWorld()
}
func (v vmware) AvailabilityChanges() bool {
return false
}
func (v vmware) ConfigRoot() string {
return "/"
}
func (v vmware) FetchMetadata() (metadata datasource.Metadata, err error) {
metadata.Hostname, _ = v.readConfig("hostname")
netconf := map[string]string{}
saveConfig := func(key string, args ...interface{}) string {
key = fmt.Sprintf(key, args...)
val, _ := v.readConfig(key)
if val != "" {
netconf[key] = val
}
return val
}
for i := 0; ; i++ {
if nameserver := saveConfig("dns.server.%d", i); nameserver == "" {
break
}
}
found := true
for i := 0; found; i++ {
found = false
found = (saveConfig("interface.%d.name", i) != "") || found
found = (saveConfig("interface.%d.mac", i) != "") || found
found = (saveConfig("interface.%d.dhcp", i) != "") || found
role, _ := v.readConfig(fmt.Sprintf("interface.%d.role", i))
for a := 0; ; a++ {
address := saveConfig("interface.%d.ip.%d.address", i, a)
if address == "" {
break
} else {
found = true
}
ip, _, err := net.ParseCIDR(address)
if err != nil {
return metadata, err
}
switch role {
case "public":
if ip.To4() != nil {
metadata.PublicIPv4 = ip
} else {
metadata.PublicIPv6 = ip
}
case "private":
if ip.To4() != nil {
metadata.PrivateIPv4 = ip
} else {
metadata.PrivateIPv6 = ip
}
case "":
default:
return metadata, fmt.Errorf("unrecognized role: %q", role)
}
}
for r := 0; ; r++ {
gateway := saveConfig("interface.%d.route.%d.gateway", i, r)
destination := saveConfig("interface.%d.route.%d.destination", i, r)
if gateway == "" && destination == "" {
break
} else {
found = true
}
}
}
metadata.NetworkConfig = netconf
return
}
func (v vmware) FetchUserdata() ([]byte, error) {
encoding, err := v.readConfig("coreos.config.data.encoding")
if err != nil {
return nil, err
}
data, err := v.readConfig("coreos.config.data")
if err != nil {
return nil, err
}
if encoding != "" {
return config.DecodeContent(data, encoding)
}
return []byte(data), nil
}
func (v vmware) Type() string {
return "vmware"
}
func readConfig(key string) (string, error) {
data, err := rpcvmx.NewConfig().GetString(key, "")
if err == nil {
log.Printf("Read from %q: %q\n", key, data)
} else {
log.Printf("Failed to read from %q: %v\n", key, err)
}
return data, err
}

189
datasource/vmware/vmware_test.go Normal file
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// Copyright 2015 CoreOS, 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.
package vmware
import (
"errors"
"net"
"reflect"
"testing"
"github.com/coreos/coreos-cloudinit/datasource"
)
type MockHypervisor map[string]string
func (h MockHypervisor) ReadConfig(key string) (string, error) {
return h[key], nil
}
func TestFetchMetadata(t *testing.T) {
tests := []struct {
variables MockHypervisor
metadata datasource.Metadata
err error
}{
{
variables: map[string]string{
"interface.0.mac": "test mac",
"interface.0.dhcp": "yes",
},
metadata: datasource.Metadata{
NetworkConfig: map[string]string{
"interface.0.mac": "test mac",
"interface.0.dhcp": "yes",
},
},
},
{
variables: map[string]string{
"interface.0.name": "test name",
"interface.0.dhcp": "yes",
},
metadata: datasource.Metadata{
NetworkConfig: map[string]string{
"interface.0.name": "test name",
"interface.0.dhcp": "yes",
},
},
},
{
variables: map[string]string{
"hostname": "test host",
"interface.0.mac": "test mac",
"interface.0.role": "private",
"interface.0.ip.0.address": "fe00::100/64",
"interface.0.route.0.gateway": "fe00::1",
"interface.0.route.0.destination": "::",
},
metadata: datasource.Metadata{
Hostname: "test host",
PrivateIPv6: net.ParseIP("fe00::100"),
NetworkConfig: map[string]string{
"interface.0.mac": "test mac",
"interface.0.ip.0.address": "fe00::100/64",
"interface.0.route.0.gateway": "fe00::1",
"interface.0.route.0.destination": "::",
},
},
},
{
variables: map[string]string{
"hostname": "test host",
"interface.0.name": "test name",
"interface.0.role": "public",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.ip.1.address": "10.0.0.101/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0",
"interface.1.mac": "test mac",
"interface.1.role": "private",
"interface.1.route.0.gateway": "10.0.0.2",
"interface.1.route.0.destination": "0.0.0.0",
"interface.1.ip.0.address": "10.0.0.102/24",
},
metadata: datasource.Metadata{
Hostname: "test host",
PublicIPv4: net.ParseIP("10.0.0.101"),
PrivateIPv4: net.ParseIP("10.0.0.102"),
NetworkConfig: map[string]string{
"interface.0.name": "test name",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.ip.1.address": "10.0.0.101/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0",
"interface.1.mac": "test mac",
"interface.1.route.0.gateway": "10.0.0.2",
"interface.1.route.0.destination": "0.0.0.0",
"interface.1.ip.0.address": "10.0.0.102/24",
},
},
},
}
for i, tt := range tests {
v := vmware{tt.variables.ReadConfig}
metadata, err := v.FetchMetadata()
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if !reflect.DeepEqual(tt.metadata, metadata) {
t.Errorf("bad metadata (#%d): want %#v, got %#v", i, tt.metadata, metadata)
}
}
}
func TestFetchUserdata(t *testing.T) {
tests := []struct {
variables MockHypervisor
userdata string
err error
}{
{},
{
variables: map[string]string{"coreos.config.data": "test config"},
userdata: "test config",
},
{
variables: map[string]string{
"coreos.config.data.encoding": "",
"coreos.config.data": "test config",
},
userdata: "test config",
},
{
variables: map[string]string{
"coreos.config.data.encoding": "base64",
"coreos.config.data": "dGVzdCBjb25maWc=",
},
userdata: "test config",
},
{
variables: map[string]string{
"coreos.config.data.encoding": "gzip+base64",
"coreos.config.data": "H4sIABaoWlUAAytJLS5RSM7PS8tMBwCQiHNZCwAAAA==",
},
userdata: "test config",
},
{
variables: map[string]string{
"coreos.config.data.encoding": "test encoding",
},
err: errors.New(`Unsupported encoding "test encoding"`),
},
}
for i, tt := range tests {
v := vmware{tt.variables.ReadConfig}
userdata, err := v.FetchUserdata()
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, nil, err)
}
if tt.userdata != string(userdata) {
t.Errorf("bad userdata (#%d): want %q, got %q", i, tt.userdata, userdata)
}
}
}
func TestFetchUserdataError(t *testing.T) {
testErr := errors.New("test error")
_, err := vmware{func(_ string) (string, error) { return "", testErr }}.FetchUserdata()
if testErr != err {
t.Errorf("bad error: want %v, got %v", testErr, err)
}
}

174
network/vmware.go Normal file
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// Copyright 2015 CoreOS, 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.
package network
import (
"fmt"
"log"
"net"
)
func ProcessVMwareNetconf(config map[string]string) ([]InterfaceGenerator, error) {
log.Println("Processing VMware network config")
log.Println("Parsing nameservers")
var nameservers []net.IP
for i := 0; ; i++ {
if ipStr, ok := config[fmt.Sprintf("dns.server.%d", i)]; ok {
if ip := net.ParseIP(ipStr); ip != nil {
nameservers = append(nameservers, ip)
} else {
return nil, fmt.Errorf("invalid nameserver: %q", ipStr)
}
} else {
break
}
}
log.Printf("Parsed %d nameservers", len(nameservers))
var interfaces []InterfaceGenerator
for i := 0; ; i++ {
var addresses []net.IPNet
var routes []route
var err error
var dhcp bool
iface := &physicalInterface{}
log.Printf("Proccessing interface %d", i)
log.Println("Processing DHCP")
if dhcp, err = processDHCPConfig(config, fmt.Sprintf("interface.%d.", i)); err != nil {
return nil, err
}
log.Println("Processing addresses")
if as, err := processAddressConfig(config, fmt.Sprintf("interface.%d.", i)); err == nil {
addresses = append(addresses, as...)
} else {
return nil, err
}
log.Println("Processing routes")
if rs, err := processRouteConfig(config, fmt.Sprintf("interface.%d.", i)); err == nil {
routes = append(routes, rs...)
} else {
return nil, err
}
if mac, ok := config[fmt.Sprintf("interface.%d.mac", i)]; ok {
log.Printf("Parsing interface %d MAC address: %q", i, mac)
if hwaddr, err := net.ParseMAC(mac); err == nil {
iface.hwaddr = hwaddr
} else {
return nil, fmt.Errorf("error while parsing MAC address: %v", err)
}
}
if name, ok := config[fmt.Sprintf("interface.%d.name", i)]; ok {
log.Printf("Parsing interface %d name: %q", i, name)
iface.name = name
}
if len(addresses) > 0 || len(routes) > 0 {
iface.config = configMethodStatic{
hwaddress: iface.hwaddr,
addresses: addresses,
nameservers: nameservers,
routes: routes,
}
} else if dhcp {
iface.config = configMethodDHCP{
hwaddress: iface.hwaddr,
}
} else {
break
}
interfaces = append(interfaces, iface)
}
return interfaces, nil
}
func processAddressConfig(config map[string]string, prefix string) (addresses []net.IPNet, err error) {
for a := 0; ; a++ {
prefix := fmt.Sprintf("%sip.%d.", prefix, a)
addressStr, ok := config[prefix+"address"]
if !ok {
break
}
ip, network, err := net.ParseCIDR(addressStr)
if err != nil {
return nil, fmt.Errorf("invalid address: %q", addressStr)
}
addresses = append(addresses, net.IPNet{
IP: ip,
Mask: network.Mask,
})
}
return
}
func processRouteConfig(config map[string]string, prefix string) (routes []route, err error) {
for r := 0; ; r++ {
prefix := fmt.Sprintf("%sroute.%d.", prefix, r)
gatewayStr, gok := config[prefix+"gateway"]
destinationStr, dok := config[prefix+"destination"]
if gok && !dok {
return nil, fmt.Errorf("missing destination key")
} else if !gok && dok {
return nil, fmt.Errorf("missing gateway key")
} else if !gok && !dok {
break
}
gateway := net.ParseIP(gatewayStr)
if gateway == nil {
return nil, fmt.Errorf("invalid gateway: %q", gatewayStr)
}
_, destination, err := net.ParseCIDR(destinationStr)
if err != nil {
return nil, err
}
routes = append(routes, route{
destination: *destination,
gateway: gateway,
})
}
return
}
func processDHCPConfig(config map[string]string, prefix string) (dhcp bool, err error) {
dhcpStr, ok := config[prefix+"dhcp"]
if !ok {
return false, nil
}
switch dhcpStr {
case "yes":
return true, nil
case "no":
return false, nil
default:
return false, fmt.Errorf("invalid DHCP option: %q", dhcpStr)
}
}

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network/vmware_test.go Normal file
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// Copyright 2015 CoreOS, 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.
package network
import (
"errors"
"net"
"reflect"
"testing"
)
func mustParseMac(mac net.HardwareAddr, err error) net.HardwareAddr {
if err != nil {
panic(err)
}
return mac
}
func TestProcessVMwareNetconf(t *testing.T) {
tests := []struct {
config map[string]string
interfaces []InterfaceGenerator
err error
}{
{},
{
config: map[string]string{
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
config: configMethodDHCP{},
}},
},
},
{
config: map[string]string{
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodDHCP{hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55"))},
}},
},
},
{
config: map[string]string{
"interface.0.name": "eth0",
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
name: "eth0",
config: configMethodDHCP{},
}},
},
},
{
config: map[string]string{
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0/0",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodStatic{
hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
addresses: []net.IPNet{net.IPNet{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
// I realize how upset you must be that I am shoving an IPMask into an IP. This is because net.IPv4zero is
// actually a magic IPv6 address which ruins our equality check. What's that? Just use IP::Equal()? I'd rather
// DeepEqual just handle that for me, but until Go gets operator overloading, we are stuck with this.
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.0.1")},
},
},
}},
},
},
{
config: map[string]string{
"dns.server.0": "1.2.3.4",
"dns.server.1": "5.6.7.8",
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.ip.1.address": "10.0.0.101/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0/0",
"interface.1.name": "eth0",
"interface.1.ip.0.address": "10.0.1.100/24",
"interface.1.route.0.gateway": "10.0.1.1",
"interface.1.route.0.destination": "0.0.0.0/0",
"interface.2.dhcp": "yes",
"interface.2.mac": "00:11:22:33:44:77",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodStatic{
hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
addresses: []net.IPNet{
net.IPNet{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)},
net.IPNet{IP: net.ParseIP("10.0.0.101"), Mask: net.CIDRMask(24, net.IPv4len*8)},
},
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.0.1")},
},
nameservers: []net.IP{net.ParseIP("1.2.3.4"), net.ParseIP("5.6.7.8")},
},
}},
&physicalInterface{logicalInterface{
name: "eth0",
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{IP: net.ParseIP("10.0.1.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.1.1")},
},
nameservers: []net.IP{net.ParseIP("1.2.3.4"), net.ParseIP("5.6.7.8")},
},
}},
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:77")),
config: configMethodDHCP{hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:77"))},
}},
},
},
{
config: map[string]string{"dns.server.0": "test dns"},
err: errors.New(`invalid nameserver: "test dns"`),
},
}
for i, tt := range tests {
interfaces, err := ProcessVMwareNetconf(tt.config)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if !reflect.DeepEqual(tt.interfaces, interfaces) {
t.Errorf("bad interfaces (#%d): want %#v, got %#v", i, tt.interfaces, interfaces)
for _, iface := range tt.interfaces {
t.Logf(" want: %#v", iface)
}
for _, iface := range interfaces {
t.Logf(" got: %#v", iface)
}
}
}
}
func TestProcessAddressConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
addresses []net.IPNet
err error
}{
{},
// static - ipv4
{
config: map[string]string{
"ip.0.address": "10.0.0.100/24",
},
addresses: []net.IPNet{{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
},
{
config: map[string]string{
"this.is.a.prefix.ip.0.address": "10.0.0.100/24",
},
prefix: "this.is.a.prefix.",
addresses: []net.IPNet{{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
},
{
config: map[string]string{
"ip.0.address": "10.0.0.100/24",
"ip.1.address": "10.0.0.101/24",
"ip.2.address": "10.0.0.102/24",
},
addresses: []net.IPNet{
{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)},
{IP: net.ParseIP("10.0.0.101"), Mask: net.CIDRMask(24, net.IPv4len*8)},
{IP: net.ParseIP("10.0.0.102"), Mask: net.CIDRMask(24, net.IPv4len*8)},
},
},
// static - ipv6
{
config: map[string]string{
"ip.0.address": "fe00::100/64",
},
addresses: []net.IPNet{{IP: net.ParseIP("fe00::100"), Mask: net.IPMask(net.CIDRMask(64, net.IPv6len*8))}},
},
{
config: map[string]string{
"ip.0.address": "fe00::100/64",
"ip.1.address": "fe00::101/64",
"ip.2.address": "fe00::102/64",
},
addresses: []net.IPNet{
{IP: net.ParseIP("fe00::100"), Mask: net.CIDRMask(64, net.IPv6len*8)},
{IP: net.ParseIP("fe00::101"), Mask: net.CIDRMask(64, net.IPv6len*8)},
{IP: net.ParseIP("fe00::102"), Mask: net.CIDRMask(64, net.IPv6len*8)},
},
},
// invalid
{
config: map[string]string{
"ip.0.address": "test address",
},
err: errors.New(`invalid address: "test address"`),
},
}
for i, tt := range tests {
addresses, err := processAddressConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if !reflect.DeepEqual(tt.addresses, addresses) {
t.Errorf("bad addresses (#%d): want %#v, got %#v", i, tt.addresses, addresses)
}
}
}
func TestProcessRouteConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
routes []route
err error
}{
{},
{
config: map[string]string{
"route.0.gateway": "10.0.0.1",
"route.0.destination": "0.0.0.0/0",
},
routes: []route{{destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)}, gateway: net.ParseIP("10.0.0.1")}},
},
{
config: map[string]string{
"this.is.a.prefix.route.0.gateway": "10.0.0.1",
"this.is.a.prefix.route.0.destination": "0.0.0.0/0",
},
prefix: "this.is.a.prefix.",
routes: []route{{destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)}, gateway: net.ParseIP("10.0.0.1")}},
},
{
config: map[string]string{
"route.0.gateway": "fe00::1",
"route.0.destination": "::/0",
},
routes: []route{{destination: net.IPNet{IP: net.IPv6zero, Mask: net.IPMask(net.IPv6zero)}, gateway: net.ParseIP("fe00::1")}},
},
// invalid
{
config: map[string]string{
"route.0.gateway": "test gateway",
"route.0.destination": "0.0.0.0/0",
},
err: errors.New(`invalid gateway: "test gateway"`),
},
{
config: map[string]string{
"route.0.gateway": "10.0.0.1",
"route.0.destination": "test destination",
},
err: &net.ParseError{Type: "CIDR address", Text: "test destination"},
},
}
for i, tt := range tests {
routes, err := processRouteConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if !reflect.DeepEqual(tt.routes, routes) {
t.Errorf("bad routes (#%d): want %#v, got %#v", i, tt.routes, routes)
}
}
}
func TestProcessDHCPConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
dhcp bool
err error
}{
{},
// prefix
{config: map[string]string{"this.is.a.prefix.mac": ""}, prefix: "this.is.a.prefix.", dhcp: false},
{config: map[string]string{"this.is.a.prefix.dhcp": "yes"}, prefix: "this.is.a.prefix.", dhcp: true},
// dhcp
{config: map[string]string{"dhcp": "yes"}, dhcp: true},
{config: map[string]string{"dhcp": "no"}, dhcp: false},
// invalid
{config: map[string]string{"dhcp": "blah"}, err: errors.New(`invalid DHCP option: "blah"`)},
}
for i, tt := range tests {
dhcp, err := processDHCPConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if tt.dhcp != dhcp {
t.Errorf("bad dhcp (#%d): want %v, got %v", i, tt.dhcp, dhcp)
}
}
}

1
test
View File

@ -15,6 +15,7 @@ SRC="
datasource/proc_cmdline datasource/proc_cmdline
datasource/test datasource/test
datasource/url datasource/url
datasource/vmware
datasource/waagent datasource/waagent
initialize initialize
network network