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Merge pull request #164 from irozzo-1A/in_cluster_ipv6_support

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Add support for IPv6 addresses in the in-cluster resolution
This commit is contained in:
Kubernetes Prow Robot
2022-12-30 21:03:30 -08:00
committed by GitHub
parent 05257357f8 fc4f5d1f27
commit 1bb6fadb0d
1 changed files with 11 additions and 1 deletions
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12
kubernetes/config/incluster_config.c
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@@ -65,13 +65,23 @@ static int setBasePathInCluster(char **pBasePath)
}
int basePathSize = strlen(SERVICE_HTTPS_PREFIX) + strlen(service_host_env) + strlen(service_port_env) + 2 /* 1 for ':', 1 for '\0' */ ;
bool isIPv6 = false;
if (strchr(service_host_env, ':') != NULL) {
isIPv6 = true;
// Takes into account the square brackets to escape the IP v6 address.
basePathSize += 2;
}
char *basePath = calloc(basePathSize, sizeof(char));
if (!basePath) {
fprintf(stderr, "%s: Cannot allocate the memory for base path for kubernetes service.\n", fname);
return -1;
}
snprintf(basePath, basePathSize, "%s%s:%s", SERVICE_HTTPS_PREFIX, service_host_env, service_port_env);
if (isIPv6) {
snprintf(basePath, basePathSize, "%s[%s]:%s", SERVICE_HTTPS_PREFIX, service_host_env, service_port_env);
} else {
snprintf(basePath, basePathSize, "%s%s:%s", SERVICE_HTTPS_PREFIX, service_host_env, service_port_env);
}
*pBasePath = basePath;
return 0;
}