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project: UDP NodeBalancers #751

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b406ec9
Add support for NodeBalancers UDP (#630)
lgarber-akamai Jan 13, 2025
23f7161
Fix merge conflict
lgarber-akamai Jan 15, 2025
e0668d8
Merge main into proj/nb-udp
ezilber-akamai May 15, 2025
3c8e57c
Merge main into proj/nb-udp
ezilber-akamai May 15, 2025
4db3b1f
Updated GetCreateOptions to handle 0 udpCheckPort
ezilber-akamai May 19, 2025
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4 changes: 4 additions & 0 deletions go.work.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ golang.org/x/crypto v0.35.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0Y
golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
golang.org/x/crypto v0.38.0 h1:jt+WWG8IZlBnVbomuhg2Mdq0+BBQaHbtqHEFEigjUV8=
golang.org/x/crypto v0.38.0/go.mod h1:MvrbAqul58NNYPKnOra203SB9vpuZW0e+RRZV+Ggqjw=
golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
Expand All @@ -78,6 +80,8 @@ golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
Expand Down
44 changes: 25 additions & 19 deletions nodebalancer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ type NodeBalancer struct {
IPv6 *string `json:"ipv6"`
// Throttle connections per second (0-20). Set to 0 (zero) to disable throttling.
ClientConnThrottle int `json:"client_conn_throttle"`
// ClientUDPSessThrottle throttles UDP sessions per second. Set to 0 (zero) to disable throttling.
ClientUDPSessThrottle int `json:"client_udp_sess_throttle"`
// Information about the amount of transfer this NodeBalancer has had so far this month.
Transfer NodeBalancerTransfer `json:"transfer"`
// This NodeBalancer's plan Type
Expand Down Expand Up @@ -54,21 +56,23 @@ type NodeBalancerVPCOptions struct {

// NodeBalancerCreateOptions are the options permitted for CreateNodeBalancer
type NodeBalancerCreateOptions struct {
Label *string `json:"label,omitempty"`
Region string `json:"region,omitempty"`
ClientConnThrottle *int `json:"client_conn_throttle,omitempty"`
Configs []*NodeBalancerConfigCreateOptions `json:"configs,omitempty"`
Tags []string `json:"tags"`
FirewallID int `json:"firewall_id,omitempty"`
Type NodeBalancerPlanType `json:"type,omitempty"`
VPCs []NodeBalancerVPCOptions `json:"vpcs,omitempty"`
Label *string `json:"label,omitempty"`
Region string `json:"region,omitempty"`
ClientConnThrottle *int `json:"client_conn_throttle,omitempty"`
ClientUDPSessThrottle *int `json:"client_udp_sess_throttle,omitempty"`
Configs []*NodeBalancerConfigCreateOptions `json:"configs,omitempty"`
Tags []string `json:"tags"`
FirewallID int `json:"firewall_id,omitempty"`
Type NodeBalancerPlanType `json:"type,omitempty"`
VPCs []NodeBalancerVPCOptions `json:"vpcs,omitempty"`
}

// NodeBalancerUpdateOptions are the options permitted for UpdateNodeBalancer
type NodeBalancerUpdateOptions struct {
Label *string `json:"label,omitempty"`
ClientConnThrottle *int `json:"client_conn_throttle,omitempty"`
Tags *[]string `json:"tags,omitempty"`
Label *string `json:"label,omitempty"`
ClientConnThrottle *int `json:"client_conn_throttle,omitempty"`
ClientUDPSessThrottle *int `json:"client_udp_sess_throttle,omitempty"`
Tags *[]string `json:"tags,omitempty"`
}

// NodeBalancerPlanType constants start with NBType and include Linode API NodeBalancer's plan types
Expand Down Expand Up @@ -105,20 +109,22 @@ func (i *NodeBalancer) UnmarshalJSON(b []byte) error {
// GetCreateOptions converts a NodeBalancer to NodeBalancerCreateOptions for use in CreateNodeBalancer
func (i NodeBalancer) GetCreateOptions() NodeBalancerCreateOptions {
return NodeBalancerCreateOptions{
Label: i.Label,
Region: i.Region,
ClientConnThrottle: &i.ClientConnThrottle,
Type: i.Type,
Tags: i.Tags,
Label: i.Label,
Region: i.Region,
ClientConnThrottle: &i.ClientConnThrottle,
ClientUDPSessThrottle: &i.ClientUDPSessThrottle,
Type: i.Type,
Tags: i.Tags,
}
}

// GetUpdateOptions converts a NodeBalancer to NodeBalancerUpdateOptions for use in UpdateNodeBalancer
func (i NodeBalancer) GetUpdateOptions() NodeBalancerUpdateOptions {
return NodeBalancerUpdateOptions{
Label: i.Label,
ClientConnThrottle: &i.ClientConnThrottle,
Tags: &i.Tags,
Label: i.Label,
ClientConnThrottle: &i.ClientConnThrottle,
ClientUDPSessThrottle: &i.ClientUDPSessThrottle,
Tags: &i.Tags,
}
}

Expand Down
58 changes: 37 additions & 21 deletions nodebalancer_configs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,26 +6,28 @@

// NodeBalancerConfig objects allow a NodeBalancer to accept traffic on a new port
type NodeBalancerConfig struct {
ID int `json:"id"`
Port int `json:"port"`
Protocol ConfigProtocol `json:"protocol"`
ProxyProtocol ConfigProxyProtocol `json:"proxy_protocol"`
Algorithm ConfigAlgorithm `json:"algorithm"`
Stickiness ConfigStickiness `json:"stickiness"`
Check ConfigCheck `json:"check"`
CheckInterval int `json:"check_interval"`
CheckAttempts int `json:"check_attempts"`
CheckPath string `json:"check_path"`
CheckBody string `json:"check_body"`
CheckPassive bool `json:"check_passive"`
CheckTimeout int `json:"check_timeout"`
CipherSuite ConfigCipher `json:"cipher_suite"`
NodeBalancerID int `json:"nodebalancer_id"`
SSLCommonName string `json:"ssl_commonname"`
SSLFingerprint string `json:"ssl_fingerprint"`
SSLCert string `json:"ssl_cert"`
SSLKey string `json:"ssl_key"`
NodesStatus *NodeBalancerNodeStatus `json:"nodes_status"`
ID int `json:"id"`
Port int `json:"port"`
Protocol ConfigProtocol `json:"protocol"`
ProxyProtocol ConfigProxyProtocol `json:"proxy_protocol"`
Algorithm ConfigAlgorithm `json:"algorithm"`
Stickiness ConfigStickiness `json:"stickiness"`
Check ConfigCheck `json:"check"`
CheckInterval int `json:"check_interval"`
CheckAttempts int `json:"check_attempts"`
CheckPath string `json:"check_path"`
CheckBody string `json:"check_body"`
CheckPassive bool `json:"check_passive"`
CheckTimeout int `json:"check_timeout"`
UDPCheckPort int `json:"udp_check_port"`
UDPSessionTimeout int `json:"udp_session_timeout"`
CipherSuite ConfigCipher `json:"cipher_suite"`
NodeBalancerID int `json:"nodebalancer_id"`
SSLCommonName string `json:"ssl_commonname"`
SSLFingerprint string `json:"ssl_fingerprint"`
SSLCert string `json:"ssl_cert"`
SSLKey string `json:"ssl_key"`
NodesStatus *NodeBalancerNodeStatus `json:"nodes_status"`
}

// ConfigAlgorithm constants start with Algorithm and include Linode API NodeBalancer Config Algorithms
Expand All @@ -36,6 +38,7 @@
AlgorithmRoundRobin ConfigAlgorithm = "roundrobin"
AlgorithmLeastConn ConfigAlgorithm = "leastconn"
AlgorithmSource ConfigAlgorithm = "source"
AlgorithmRingHash ConfigAlgorithm = "ring_hash"
)

// ConfigStickiness constants start with Stickiness and include Linode API NodeBalancer Config Stickiness
Expand All @@ -44,8 +47,10 @@
// ConfigStickiness constants reflect the node stickiness method for a NodeBalancer Config
const (
StickinessNone ConfigStickiness = "none"
StickinessSession ConfigStickiness = "session"
StickinessTable ConfigStickiness = "table"
StickinessHTTPCookie ConfigStickiness = "http_cookie"
StickinessSourceIP ConfigStickiness = "source_ip"
)

// ConfigCheck constants start with Check and include Linode API NodeBalancer Config Check methods
Expand All @@ -67,12 +72,13 @@
ProtocolHTTP ConfigProtocol = "http"
ProtocolHTTPS ConfigProtocol = "https"
ProtocolTCP ConfigProtocol = "tcp"
ProtocolUDP ConfigProtocol = "udp"
)

// ConfigProxyProtocol constants start with ProxyProtocol and include Linode API NodeBalancer Config proxy protocol versions
type ConfigProxyProtocol string

// ConfigProxyProtocol constatns reflect the proxy protocol version used by a NodeBalancer Config
// ConfigProxyProtocol constants reflect the proxy protocol version used by a NodeBalancer Config
const (
ProxyProtocolNone ConfigProxyProtocol = "none"
ProxyProtocolV1 ConfigProxyProtocol = "v1"
Expand Down Expand Up @@ -108,6 +114,7 @@
CheckBody string `json:"check_body,omitempty"`
CheckPassive *bool `json:"check_passive,omitempty"`
CheckTimeout int `json:"check_timeout,omitempty"`
UDPCheckPort *int `json:"udp_check_port,omitempty"`
CipherSuite ConfigCipher `json:"cipher_suite,omitempty"`
SSLCert string `json:"ssl_cert,omitempty"`
SSLKey string `json:"ssl_key,omitempty"`
Expand All @@ -128,6 +135,7 @@
CheckBody string `json:"check_body,omitempty"`
CheckPassive *bool `json:"check_passive,omitempty"`
CheckTimeout int `json:"check_timeout,omitempty"`
UDPCheckPort *int `json:"udp_check_port,omitempty"`
CipherSuite ConfigCipher `json:"cipher_suite,omitempty"`
SSLCert string `json:"ssl_cert,omitempty"`
SSLKey string `json:"ssl_key,omitempty"`
Expand All @@ -147,6 +155,11 @@

// GetCreateOptions converts a NodeBalancerConfig to NodeBalancerConfigCreateOptions for use in CreateNodeBalancerConfig
func (i NodeBalancerConfig) GetCreateOptions() NodeBalancerConfigCreateOptions {
var udpCheckPort *int = nil

Check failure on line 158 in nodebalancer_configs.go

View workflow job for this annotation

GitHub Actions / lint-tidy 

var-declaration: should drop = nil from declaration of var udpCheckPort; it is the zero value (revive)
if i.UDPCheckPort != 0 {
udpCheckPort = &i.UDPCheckPort
}

return NodeBalancerConfigCreateOptions{
Port: i.Port,
Protocol: i.Protocol,
Expand All @@ -160,6 +173,7 @@
CheckPath: i.CheckPath,
CheckBody: i.CheckBody,
CheckPassive: copyBool(&i.CheckPassive),
UDPCheckPort: udpCheckPort,
CipherSuite: i.CipherSuite,
SSLCert: i.SSLCert,
SSLKey: i.SSLKey,
Expand All @@ -181,6 +195,7 @@
CheckBody: i.CheckBody,
CheckPassive: copyBool(&i.CheckPassive),
CheckTimeout: i.CheckTimeout,
UDPCheckPort: copyInt(&i.UDPCheckPort),
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Same here, set only for UDP protocol

CipherSuite: i.CipherSuite,
SSLCert: i.SSLCert,
SSLKey: i.SSLKey,
Expand All @@ -202,6 +217,7 @@
CheckPath: i.CheckPath,
CheckBody: i.CheckBody,
CheckPassive: copyBool(&i.CheckPassive),
UDPCheckPort: copyInt(&i.UDPCheckPort),
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Same here, set only for UDP protocol

CipherSuite: i.CipherSuite,
SSLCert: i.SSLCert,
SSLKey: i.SSLKey,
Expand Down
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