Grcov report - dns_cluster

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#include "source/extensions/clusters/common/dns_cluster_backcompat.h"

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#include "envoy/common/exception.h"

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#include "envoy/config/cluster/v3/cluster.pb.h"

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#include "envoy/extensions/clusters/dns/v3/dns_cluster.pb.h"

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namespace Envoy {

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namespace Upstream {

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void createDnsClusterFromLegacyFields(

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    const envoy::config::cluster::v3::Cluster& cluster,

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    envoy::extensions::clusters::dns::v3::DnsCluster& dns_cluster) {

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  // We have to add all these guards because otherwise dns_cluster.mutable_FIELD will initialize the

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  // field and dns_cluster.has_FIELD will return true

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  if (cluster.has_dns_refresh_rate()) {

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    dns_cluster.mutable_dns_refresh_rate()->CopyFrom(cluster.dns_refresh_rate());

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47

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  if (cluster.has_dns_failure_refresh_rate()) {

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    auto* new_refresh_rate = dns_cluster.mutable_dns_failure_refresh_rate();

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    const auto& old_refresh_rate = cluster.dns_failure_refresh_rate();

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    if (old_refresh_rate.has_max_interval()) {

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      new_refresh_rate->mutable_max_interval()->CopyFrom(old_refresh_rate.max_interval());

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    if (old_refresh_rate.has_base_interval()) {

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      new_refresh_rate->mutable_base_interval()->CopyFrom(old_refresh_rate.base_interval());

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417

  dns_cluster.set_respect_dns_ttl(cluster.respect_dns_ttl());

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  if (cluster.has_dns_jitter()) {

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    dns_cluster.mutable_dns_jitter()->CopyFrom(cluster.dns_jitter());

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417

  switch (cluster.dns_lookup_family()) {

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    PANIC_ON_PROTO_ENUM_SENTINEL_VALUES;

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  case envoy::config::cluster::v3::Cluster::AUTO:

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    dns_cluster.set_dns_lookup_family(envoy::extensions::clusters::common::dns::v3::AUTO);

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    break;

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  case envoy::config::cluster::v3::Cluster::V4_ONLY:

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    dns_cluster.set_dns_lookup_family(envoy::extensions::clusters::common::dns::v3::V4_ONLY);

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    break;

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  case envoy::config::cluster::v3::Cluster::V6_ONLY:

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    dns_cluster.set_dns_lookup_family(envoy::extensions::clusters::common::dns::v3::V6_ONLY);

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    break;

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1

  case envoy::config::cluster::v3::Cluster::V4_PREFERRED:

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    dns_cluster.set_dns_lookup_family(envoy::extensions::clusters::common::dns::v3::V4_PREFERRED);

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    break;

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  case envoy::config::cluster::v3::Cluster::ALL:

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    dns_cluster.set_dns_lookup_family(envoy::extensions::clusters::common::dns::v3::ALL);

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    break;

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417

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} // namespace Upstream

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} // namespace Envoy