/
config.go
172 lines (136 loc) · 4.35 KB
/
config.go
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package daemon
import (
"context"
"github.com/AliyunContainerService/terway/pkg/aliyun/client"
"github.com/AliyunContainerService/terway/pkg/aliyun/instance"
"github.com/AliyunContainerService/terway/pkg/k8s"
"github.com/AliyunContainerService/terway/pkg/utils"
"github.com/AliyunContainerService/terway/pkg/vswitch"
"github.com/AliyunContainerService/terway/types"
"github.com/AliyunContainerService/terway/types/daemon"
)
// getDynamicConfig returns (config, label, error) specified in node
// ("", "", nil) for no dynamic config for this node
func getDynamicConfig(ctx context.Context, k8s k8s.Kubernetes) (string, string, error) {
label := k8s.GetNodeDynamicConfigLabel()
if label == "" {
return "", "", nil
}
cfg, err := k8s.GetDynamicConfigWithName(ctx, label)
return cfg, label, err
}
func getENIConfig(cfg *daemon.Config) *types.ENIConfig {
policy := vswitch.VSwitchSelectionPolicyRandom
switch cfg.VSwitchSelectionPolicy {
case "ordered":
// keep the previous behave
policy = vswitch.VSwitchSelectionPolicyMost
}
eniConfig := &types.ENIConfig{
ZoneID: instance.GetInstanceMeta().ZoneID,
VSwitchOptions: nil,
ENITags: cfg.ENITags,
SecurityGroupIDs: cfg.GetSecurityGroups(),
InstanceID: instance.GetInstanceMeta().InstanceID,
VSwitchSelectionPolicy: policy,
ResourceGroupID: cfg.ResourceGroupID,
EniTypeAttr: 0,
}
if cfg.VSwitches != nil {
zoneVswitchs, ok := cfg.VSwitches[eniConfig.ZoneID]
if ok && len(zoneVswitchs) > 0 {
eniConfig.VSwitchOptions = cfg.VSwitches[eniConfig.ZoneID]
}
}
if len(eniConfig.VSwitchOptions) == 0 {
eniConfig.VSwitchOptions = []string{instance.GetInstanceMeta().VSwitchID}
}
if cfg.EnableENITrunking {
types.EnableFeature(&eniConfig.EniTypeAttr, types.FeatTrunk)
}
if cfg.EnableERDMA {
types.EnableFeature(&eniConfig.EniTypeAttr, types.FeatERDMA)
}
return eniConfig
}
// the actual size for pool is minIdle and maxIdle
func getPoolConfig(cfg *daemon.Config, daemonMode string, limit *client.Limits) (*types.PoolConfig, error) {
poolConfig := &types.PoolConfig{
BatchSize: 10,
}
if cfg.ENITags == nil {
cfg.ENITags = make(map[string]string)
}
cfg.ENITags[types.NetworkInterfaceTagCreatorKey] = types.NetworkInterfaceTagCreatorValue
capacity := 0
maxENI := 0
maxMemberENI := 0
switch daemonMode {
case daemon.ModeVPC, daemon.ModeENIOnly:
maxENI = limit.Adapters
maxENI = int(float64(maxENI)*cfg.EniCapRatio) + cfg.EniCapShift - 1
// set max eni node can use
if cfg.MaxENI > 0 && cfg.MaxENI < maxENI {
maxENI = cfg.MaxENI
}
capacity = maxENI
if cfg.MaxPoolSize > maxENI {
poolConfig.MaxPoolSize = maxENI
} else {
poolConfig.MaxPoolSize = cfg.MaxPoolSize
}
poolConfig.MinPoolSize = cfg.MinPoolSize
if cfg.MinENI > 0 {
poolConfig.MinPoolSize = cfg.MinENI
}
if poolConfig.MinPoolSize > poolConfig.MaxPoolSize {
poolConfig.MinPoolSize = poolConfig.MaxPoolSize
}
maxMemberENI = limit.MemberAdapterLimit
if cfg.ENICapPolicy == daemon.ENICapPolicyPreferTrunk {
maxMemberENI = limit.MaxMemberAdapterLimit
}
poolConfig.MaxIPPerENI = 1
if cfg.EnableERDMA {
poolConfig.ERdmaCapacity = limit.ERdmaAdapters
}
case daemon.ModeENIMultiIP:
maxENI = limit.Adapters
maxENI = int(float64(maxENI)*cfg.EniCapRatio) + cfg.EniCapShift - 1
// set max eni node can use
if cfg.MaxENI > 0 && cfg.MaxENI < maxENI {
maxENI = cfg.MaxENI
}
ipPerENI := limit.IPv4PerAdapter
if utils.IsWindowsOS() {
// NB(thxCode): don't assign the primary IP of one assistant eni.
ipPerENI--
}
capacity = maxENI * ipPerENI
if cfg.MaxPoolSize > capacity {
poolConfig.MaxPoolSize = capacity
} else {
poolConfig.MaxPoolSize = cfg.MaxPoolSize
}
poolConfig.MinPoolSize = cfg.MinPoolSize
if cfg.MinENI > 0 {
poolConfig.MinPoolSize = cfg.MinENI * ipPerENI
}
if poolConfig.MinPoolSize > poolConfig.MaxPoolSize {
poolConfig.MinPoolSize = poolConfig.MaxPoolSize
}
maxMemberENI = limit.MemberAdapterLimit
poolConfig.MaxIPPerENI = ipPerENI
if cfg.EnableERDMA {
poolConfig.ERdmaCapacity = limit.ERdmaAdapters * limit.IPv4PerAdapter
}
}
if cfg.IPAMType == types.IPAMTypeCRD {
poolConfig.MaxPoolSize = 0
poolConfig.MinPoolSize = 0
}
poolConfig.Capacity = capacity
poolConfig.MaxENI = maxENI
poolConfig.MaxMemberENI = maxMemberENI
return poolConfig, nil
}