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* refactored local dns proxy. * refactored local dns proxy. * refactored local dns proxy. * refactored local dns proxy.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package dns | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/jonboulle/clockwork" | ||
|
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| configv1alpha3 "github.com/flomesh-io/fsm/pkg/apis/config/v1alpha3" | ||
| "github.com/flomesh-io/fsm/pkg/configurator" | ||
| ) | ||
|
|
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| // WallClock is the wall clock | ||
| var WallClock = clockwork.NewRealClock() | ||
|
|
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| // Config holds the configuration parameters | ||
| type Config struct { | ||
| cfg configurator.Configurator | ||
| CustomDNSRecords []string // manual custom dns entries | ||
| } | ||
|
|
||
| // GetNameservers nameservers to forward queries to | ||
| func (c *Config) GetNameservers() []string { | ||
| var nameservers []string | ||
| if upstream := c.cfg.GetLocalDNSProxyPrimaryUpstream(); len(upstream) > 0 { | ||
| nameservers = append(nameservers, fmt.Sprintf("%s:53", upstream)) | ||
| } | ||
| if upstream := c.cfg.GetLocalDNSProxySecondaryUpstream(); len(upstream) > 0 { | ||
| nameservers = append(nameservers, fmt.Sprintf("%s:53", upstream)) | ||
| } | ||
| return nameservers | ||
| } | ||
|
|
||
| func (c *Config) IsWildcard() bool { | ||
| return c.cfg.IsWildcardDNSProxyEnabled() | ||
| } | ||
|
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| func (c *Config) GetWildcardResolveDB() []*configv1alpha3.ResolveAddr { | ||
| return c.cfg.GetMeshConfig().Spec.Sidecar.LocalDNSProxy.Wildcard.IPs | ||
| } | ||
|
|
||
| func (c *Config) GetLoopbackResolveDB() []*configv1alpha3.ResolveAddr { | ||
| return c.cfg.GetMeshConfig().Spec.Sidecar.LocalDNSProxy.Wildcard.LOs | ||
| } | ||
|
|
||
| func (c *Config) GenerateIPv6BasedOnIPv4() bool { | ||
| return c.cfg.GenerateIPv6BasedOnIPv4() | ||
| } | ||
|
|
||
| // GetNXDomain response to blocked queries with a NXDOMAIN | ||
| func (c *Config) GetNXDomain() bool { | ||
| return false | ||
| } | ||
|
|
||
| // GetInterval concurrency interval for lookups in miliseconds | ||
| func (c *Config) GetInterval() int { | ||
| return 200 | ||
| } | ||
|
|
||
| // GetTimeout query timeout for dns lookups in seconds | ||
| func (c *Config) GetTimeout() int { | ||
| return 5 | ||
| } |
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