consul/command/config/write/config_write_test.go

655 lines
13 KiB
Go

package write
import (
"io"
"os"
"strings"
"testing"
"time"
"github.com/hashicorp/consul/agent"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/mitchellh/cli"
"github.com/stretchr/testify/require"
)
func TestConfigWrite_noTabs(t *testing.T) {
t.Parallel()
require.NotContains(t, New(cli.NewMockUi()).Help(), "\t")
}
func TestConfigWrite(t *testing.T) {
t.Parallel()
a := agent.NewTestAgent(t, t.Name(), ``)
defer a.Shutdown()
client := a.Client()
t.Run("File", func(t *testing.T) {
ui := cli.NewMockUi()
c := New(ui)
f := testutil.TempFile(t, "config-write-svc-web.hcl")
defer os.Remove(f.Name())
_, err := f.WriteString(`
Kind = "service-defaults"
Name = "web"
Protocol = "udp"
`)
require.NoError(t, err)
args := []string{
"-http-addr=" + a.HTTPAddr(),
f.Name(),
}
code := c.Run(args)
require.Empty(t, ui.ErrorWriter.String())
require.Equal(t, 0, code)
entry, _, err := client.ConfigEntries().Get("service-defaults", "web", nil)
require.NoError(t, err)
svc, ok := entry.(*api.ServiceConfigEntry)
require.True(t, ok)
require.Equal(t, api.ServiceDefaults, svc.Kind)
require.Equal(t, "web", svc.Name)
require.Equal(t, "udp", svc.Protocol)
})
t.Run("Stdin", func(t *testing.T) {
stdinR, stdinW := io.Pipe()
ui := cli.NewMockUi()
c := New(ui)
c.testStdin = stdinR
go func() {
stdinW.Write([]byte(`{
"Kind": "proxy-defaults",
"Name": "global",
"Config": {
"foo": "bar",
"bar": 1.0
}
}`))
stdinW.Close()
}()
args := []string{
"-http-addr=" + a.HTTPAddr(),
"-",
}
code := c.Run(args)
require.Empty(t, ui.ErrorWriter.String())
require.Equal(t, 0, code)
entry, _, err := client.ConfigEntries().Get(api.ProxyDefaults, api.ProxyConfigGlobal, nil)
require.NoError(t, err)
proxy, ok := entry.(*api.ProxyConfigEntry)
require.True(t, ok)
require.Equal(t, api.ProxyDefaults, proxy.Kind)
require.Equal(t, api.ProxyConfigGlobal, proxy.Name)
require.Equal(t, map[string]interface{}{"foo": "bar", "bar": 1.0}, proxy.Config)
})
t.Run("No config", func(t *testing.T) {
ui := cli.NewMockUi()
c := New(ui)
code := c.Run([]string{})
require.NotEqual(t, 0, code)
require.NotEmpty(t, ui.ErrorWriter.String())
})
}
// TestParseConfigEntry is the 'api' mirror image of
// agent/structs/config_entry_test.go:TestDecodeConfigEntry
func TestParseConfigEntry(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
camel string
snake string
expect api.ConfigEntry
expectErr string
}{
// TODO(rb): test json?
{
name: "proxy-defaults: extra fields or typo",
snake: `
kind = "proxy-defaults"
name = "main"
cornfig {
"foo" = 19
}
`,
camel: `
Kind = "proxy-defaults"
Name = "main"
Cornfig {
"foo" = 19
}
`,
expectErr: `invalid config key "cornfig"`,
},
{
name: "proxy-defaults",
snake: `
kind = "proxy-defaults"
name = "main"
config {
"foo" = 19
"bar" = "abc"
"moreconfig" {
"moar" = "config"
}
}
mesh_gateway {
mode = "remote"
}
`,
camel: `
Kind = "proxy-defaults"
Name = "main"
Config {
"foo" = 19
"bar" = "abc"
"moreconfig" {
"moar" = "config"
}
}
MeshGateway {
Mode = "remote"
}
`,
expect: &api.ProxyConfigEntry{
Kind: "proxy-defaults",
Name: "main",
Config: map[string]interface{}{
"foo": 19,
"bar": "abc",
"moreconfig": map[string]interface{}{
"moar": "config",
},
},
MeshGateway: api.MeshGatewayConfig{
Mode: api.MeshGatewayModeRemote,
},
},
},
{
name: "service-defaults",
snake: `
kind = "service-defaults"
name = "main"
protocol = "http"
mesh_gateway {
mode = "remote"
}
`,
camel: `
Kind = "service-defaults"
Name = "main"
Protocol = "http"
MeshGateway {
Mode = "remote"
}
`,
expect: &api.ServiceConfigEntry{
Kind: "service-defaults",
Name: "main",
Protocol: "http",
MeshGateway: api.MeshGatewayConfig{
Mode: api.MeshGatewayModeRemote,
},
},
},
{
name: "service-router: kitchen sink",
snake: `
kind = "service-router"
name = "main"
routes = [
{
match {
http {
path_exact = "/foo"
header = [
{
name = "debug1"
present = true
},
{
name = "debug2"
present = false
invert = true
},
{
name = "debug3"
exact = "1"
},
{
name = "debug4"
prefix = "aaa"
},
{
name = "debug5"
suffix = "bbb"
},
{
name = "debug6"
regex = "a.*z"
},
]
}
}
destination {
service = "carrot"
service_subset = "kale"
namespace = "leek"
prefix_rewrite = "/alternate"
request_timeout = "99s"
num_retries = 12345
retry_on_connect_failure = true
retry_on_status_codes = [401, 209]
}
},
{
match {
http {
path_prefix = "/foo"
methods = [ "GET", "DELETE" ]
query_param = [
{
name = "hack1"
present = true
},
{
name = "hack2"
exact = "1"
},
{
name = "hack3"
regex = "a.*z"
},
]
}
}
},
{
match {
http {
path_regex = "/foo"
}
}
},
]
`,
camel: `
Kind = "service-router"
Name = "main"
Routes = [
{
Match {
HTTP {
PathExact = "/foo"
Header = [
{
Name = "debug1"
Present = true
},
{
Name = "debug2"
Present = false
Invert = true
},
{
Name = "debug3"
Exact = "1"
},
{
Name = "debug4"
Prefix = "aaa"
},
{
Name = "debug5"
Suffix = "bbb"
},
{
Name = "debug6"
Regex = "a.*z"
},
]
}
}
Destination {
Service = "carrot"
ServiceSubset = "kale"
Namespace = "leek"
PrefixRewrite = "/alternate"
RequestTimeout = "99s"
NumRetries = 12345
RetryOnConnectFailure = true
RetryOnStatusCodes = [401, 209]
}
},
{
Match {
HTTP {
PathPrefix = "/foo"
Methods = [ "GET", "DELETE" ]
QueryParam = [
{
Name = "hack1"
Present = true
},
{
Name = "hack2"
Exact = "1"
},
{
Name = "hack3"
Regex = "a.*z"
},
]
}
}
},
{
Match {
HTTP {
PathRegex = "/foo"
}
}
},
]
`,
expect: &api.ServiceRouterConfigEntry{
Kind: "service-router",
Name: "main",
Routes: []api.ServiceRoute{
{
Match: &api.ServiceRouteMatch{
HTTP: &api.ServiceRouteHTTPMatch{
PathExact: "/foo",
Header: []api.ServiceRouteHTTPMatchHeader{
{
Name: "debug1",
Present: true,
},
{
Name: "debug2",
Present: false,
Invert: true,
},
{
Name: "debug3",
Exact: "1",
},
{
Name: "debug4",
Prefix: "aaa",
},
{
Name: "debug5",
Suffix: "bbb",
},
{
Name: "debug6",
Regex: "a.*z",
},
},
},
},
Destination: &api.ServiceRouteDestination{
Service: "carrot",
ServiceSubset: "kale",
Namespace: "leek",
PrefixRewrite: "/alternate",
RequestTimeout: 99 * time.Second,
NumRetries: 12345,
RetryOnConnectFailure: true,
RetryOnStatusCodes: []uint32{401, 209},
},
},
{
Match: &api.ServiceRouteMatch{
HTTP: &api.ServiceRouteHTTPMatch{
PathPrefix: "/foo",
Methods: []string{"GET", "DELETE"},
QueryParam: []api.ServiceRouteHTTPMatchQueryParam{
{
Name: "hack1",
Present: true,
},
{
Name: "hack2",
Exact: "1",
},
{
Name: "hack3",
Regex: "a.*z",
},
},
},
},
},
{
Match: &api.ServiceRouteMatch{
HTTP: &api.ServiceRouteHTTPMatch{
PathRegex: "/foo",
},
},
},
},
},
},
{
name: "service-splitter: kitchen sink",
snake: `
kind = "service-splitter"
name = "main"
splits = [
{
weight = 99.1
service_subset = "v1"
},
{
weight = 0.9
service = "other"
namespace = "alt"
},
]
`,
camel: `
Kind = "service-splitter"
Name = "main"
Splits = [
{
Weight = 99.1
ServiceSubset = "v1"
},
{
Weight = 0.9
Service = "other"
Namespace = "alt"
},
]
`,
expect: &api.ServiceSplitterConfigEntry{
Kind: api.ServiceSplitter,
Name: "main",
Splits: []api.ServiceSplit{
{
Weight: 99.1,
ServiceSubset: "v1",
},
{
Weight: 0.9,
Service: "other",
Namespace: "alt",
},
},
},
},
{
name: "service-resolver: subsets with failover",
snake: `
kind = "service-resolver"
name = "main"
default_subset = "v1"
connect_timeout = "15s"
subsets = {
"v1" = {
filter = "Service.Meta.version == v1"
},
"v2" = {
filter = "Service.Meta.version == v2"
only_passing = true
},
}
failover = {
"v2" = {
service = "failcopy"
service_subset = "sure"
namespace = "neighbor"
datacenters = ["dc5", "dc14"]
},
"*" = {
datacenters = ["dc7"]
}
}`,
camel: `
Kind = "service-resolver"
Name = "main"
DefaultSubset = "v1"
ConnectTimeout = "15s"
Subsets = {
"v1" = {
Filter = "Service.Meta.version == v1"
},
"v2" = {
Filter = "Service.Meta.version == v2"
OnlyPassing = true
},
}
Failover = {
"v2" = {
Service = "failcopy"
ServiceSubset = "sure"
Namespace = "neighbor"
Datacenters = ["dc5", "dc14"]
},
"*" = {
Datacenters = ["dc7"]
}
}`,
expect: &api.ServiceResolverConfigEntry{
Kind: "service-resolver",
Name: "main",
DefaultSubset: "v1",
ConnectTimeout: 15 * time.Second,
Subsets: map[string]api.ServiceResolverSubset{
"v1": {
Filter: "Service.Meta.version == v1",
},
"v2": {
Filter: "Service.Meta.version == v2",
OnlyPassing: true,
},
},
Failover: map[string]api.ServiceResolverFailover{
"v2": {
Service: "failcopy",
ServiceSubset: "sure",
Namespace: "neighbor",
Datacenters: []string{"dc5", "dc14"},
},
"*": {
Datacenters: []string{"dc7"},
},
},
},
},
{
name: "service-resolver: redirect",
snake: `
kind = "service-resolver"
name = "main"
redirect {
service = "other"
service_subset = "backup"
namespace = "alt"
datacenter = "dc9"
}
`,
camel: `
Kind = "service-resolver"
Name = "main"
Redirect {
Service = "other"
ServiceSubset = "backup"
Namespace = "alt"
Datacenter = "dc9"
}
`,
expect: &api.ServiceResolverConfigEntry{
Kind: "service-resolver",
Name: "main",
Redirect: &api.ServiceResolverRedirect{
Service: "other",
ServiceSubset: "backup",
Namespace: "alt",
Datacenter: "dc9",
},
},
},
{
name: "service-resolver: default",
snake: `
kind = "service-resolver"
name = "main"
`,
camel: `
Kind = "service-resolver"
Name = "main"
`,
expect: &api.ServiceResolverConfigEntry{
Kind: "service-resolver",
Name: "main",
},
},
} {
tc := tc
testbody := func(t *testing.T, body string) {
t.Helper()
got, err := parseConfigEntry(body)
if tc.expectErr != "" {
require.Nil(t, got)
require.Error(t, err)
requireContainsLower(t, err.Error(), tc.expectErr)
} else {
require.NoError(t, err)
require.Equal(t, tc.expect, got)
}
}
t.Run(tc.name+" (snake case)", func(t *testing.T) {
testbody(t, tc.snake)
})
t.Run(tc.name+" (camel case)", func(t *testing.T) {
testbody(t, tc.camel)
})
}
}
func requireContainsLower(t *testing.T, haystack, needle string) {
t.Helper()
require.Contains(t, strings.ToLower(haystack), strings.ToLower(needle))
}