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Revert "config: document dns options" 

This reverts commit 5e57e9273ea6e27eb79ed531189fd3c69e19c7b2.
This commit is contained in:
Frank Schroeder 2017-10-23 10:08:31 +02:00
parent 3638b2932d
commit 1ce9c1ba45
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1 changed files with 10 additions and 88 deletions
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98
agent/config/runtime.go
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@ -68,95 +68,17 @@ type RuntimeConfig struct {
AutopilotServerStabilizationTime time.Duration AutopilotServerStabilizationTime time.Duration
AutopilotUpgradeVersionTag string AutopilotUpgradeVersionTag string
// DNSAllowStale is used to enable lookups with stale DNSAllowStale bool
// data. This gives horizontal read scalability since
// any Consul server can service the query instead of
// only the leader.
//
// hcl: dns_config { allow_stale = (true|false) }
DNSAllowStale bool
// DNSDisableCompression is used to control whether DNS responses are
// compressed. In Consul 0.7 this was turned on by default and this
// config was added as an opt-out.
//
// hcl: dns_config { disable_compression = (true|false) }
DNSDisableCompression bool DNSDisableCompression bool
DNSDomain string
// DNSDomain is the DNS domain for the records. Should end with a dot. DNSEnableTruncate bool
// Defaults to "consul." DNSMaxStale time.Duration
// DNSNodeTTL time.Duration
// hcl: domain = string DNSOnlyPassing bool
// flag: -domain string DNSRecursorTimeout time.Duration
DNSDomain string DNSServiceTTL map[string]time.Duration
DNSUDPAnswerLimit int
// DNSEnableTruncate is used to enable setting the truncate DNSRecursors []string
// flag for UDP DNS queries. This allows unmodified
// clients to re-query the consul server using TCP
// when the total number of records exceeds the number
// returned by default for UDP.
//
// hcl: dns_config { enable_truncate = (true|false) }
DNSEnableTruncate bool
// DNSMaxStale is used to bound how stale of a result is
// accepted for a DNS lookup. This can be used with
// AllowStale to limit how old of a value is served up.
// If the stale result exceeds this, another non-stale
// stale read is performed.
//
// hcl: dns_config { max_stale = "duration" }
DNSMaxStale time.Duration
// DNSNodeTTL provides the TTL value for a node query.
//
// hcl: dns_config { node_ttl = "duration" }
DNSNodeTTL time.Duration
// DNSOnlyPassing is used to determine whether to filter nodes
// whose health checks are in any non-passing state. By
// default, only nodes in a critical state are excluded.
//
// hcl: dns_config { only_passing = "duration" }
DNSOnlyPassing bool
// DNSRecursorTimeout specifies the timeout in seconds
// for Consul's internal dns client used for recursion.
// This value is used for the connection, read and write timeout.
//
// hcl: dns_config { recursor_timeout = "duration" }
DNSRecursorTimeout time.Duration
// DNSServiceTTL provides the TTL value for a service
// query for given service. The "*" wildcard can be used
// to set a default for all services.
//
// hcl: dns_config { service_ttl = map[string]"duration" }
DNSServiceTTL map[string]time.Duration
// DNSUDPAnswerLimit is used to limit the maximum number of DNS Resource
// Records returned in the ANSWER section of a DNS response. This is
// not normally useful and will be limited based on the querying
// protocol, however systems that implemented §6 Rule 9 in RFC3484
// may want to set this to `1` in order to subvert §6 Rule 9 and
// re-obtain the effect of randomized resource records (i.e. each
// answer contains only one IP, but the IP changes every request).
// RFC3484 sorts answers in a deterministic order, which defeats the
// purpose of randomized DNS responses. This RFC has been obsoleted
// by RFC6724 and restores the desired behavior of randomized
// responses, however a large number of Linux hosts using glibc(3)
// implemented §6 Rule 9 and may need this option (e.g. CentOS 5-6,
// Debian Squeeze, etc).
//
// hcl: dns_config { udp_answer_limit = int }
DNSUDPAnswerLimit int
// DNSRecursors can be set to allow the DNS servers to recursively
// resolve non-consul domains.
//
// hcl: recursors = []string
// flag: -recursor string [-recursor string]
DNSRecursors []string
// HTTPBlockEndpoints is a list of endpoint prefixes to block in the // HTTPBlockEndpoints is a list of endpoint prefixes to block in the
// HTTP API. Any requests to these will get a 403 response. // HTTP API. Any requests to these will get a 403 response.