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Re-add RPC parsing

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This makes the upgrade path a bit nicer, since people will likely have
older configurations. This prints out a warning instead of just failing
if the old rpc addr or ports definition is in the config.
This commit is contained in:
Seth Vargo 2017-03-23 17:10:14 -04:00
parent 4ca112118e
commit 78bd562f41
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GPG key ID: C921994F9C27E0FF
2 changed files with 46 additions and 0 deletions
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24
command/agent/config.go
View file

@ -29,6 +29,10 @@ type PortConfig struct {
SerfLan int `mapstructure:"serf_lan"` // LAN gossip (Client + Server)
SerfWan int `mapstructure:"serf_wan"` // WAN gossip (Server only)
Server int // Server internal RPC
// RPC is deprecated and is no longer used. It will be removed in a future
// version.
RPC int // CLI RPC
}
// AddressConfig is used to provide address overrides
@ -38,6 +42,10 @@ type AddressConfig struct {
DNS string // DNS Query interface
HTTP string // HTTP API
HTTPS string // HTTPS API
// RPC is deprecated and is no longer used. It will be removed in a future
// version.
RPC string // CLI RPC
}
type AdvertiseAddrsConfig struct {
@ -967,6 +975,16 @@ func DecodeConfig(r io.Reader) (*Config, error) {
return nil, err
}
// Check for deprecations
if result.Ports.RPC != 0 {
fmt.Fprintln(os.Stderr, "==> DEPRECATION: ports.rpc is deprecated and is "+
"no longer used. Please remove it from your configuration.")
}
if result.Addresses.RPC != "" {
fmt.Fprintln(os.Stderr, "==> DEPRECATION: addresses.rpc is deprecated and "+
"is no longer used. Please remove it from your configuration.")
}
// Check unused fields and verify that no bad configuration options were
// passed to Consul. There are a few additional fields which don't directly
// use mapstructure decoding, so we need to account for those as well. These
@ -1517,6 +1535,9 @@ func MergeConfig(a, b *Config) *Config {
if b.Ports.HTTPS != 0 {
result.Ports.HTTPS = b.Ports.HTTPS
}
if b.Ports.RPC != 0 {
result.Ports.RPC = b.Ports.RPC
}
if b.Ports.SerfLan != 0 {
result.Ports.SerfLan = b.Ports.SerfLan
}
@ -1535,6 +1556,9 @@ func MergeConfig(a, b *Config) *Config {
if b.Addresses.HTTPS != "" {
result.Addresses.HTTPS = b.Addresses.HTTPS
}
if b.Addresses.RPC != "" {
result.Addresses.RPC = b.Addresses.RPC
}
if b.EnableUi {
result.EnableUi = true
}

22
command/agent/config_test.go
View file

@ -163,6 +163,17 @@ func TestDecodeConfig(t *testing.T) {
t.Fatalf("bad: %#v", config)
}
// Deprecated RPC configs - TODO: remove this in a future release
input = `{"ports": {"rpc": 1234}}`
config, err = DecodeConfig(bytes.NewReader([]byte(input)))
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Ports.RPC != 1234 {
t.Fatalf("bad: %#v", config)
}
// Serf configs
input = `{"ports": {"serf_lan": 1000, "serf_wan": 2000}}`
config, err = DecodeConfig(bytes.NewReader([]byte(input)))
@ -923,6 +934,17 @@ func TestDecodeConfig(t *testing.T) {
t.Fatalf("bad: %#v", config)
}
// RPC Addresses - TODO: remove in a future release
input = `{"addresses": {"rpc": "1.2.3.4"}}`
config, err = DecodeConfig(bytes.NewReader([]byte(input)))
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Addresses.RPC != "1.2.3.4" {
t.Fatalf("bad: %#v", config)
}
// Domain socket permissions
input = `{"unix_sockets": {"user": "500", "group": "500", "mode": "0700"}}`
config, err = DecodeConfig(bytes.NewReader([]byte(input)))