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Merge pull request #169 from ityuhui/yh-mlk-0116
Fix memory leak when kubeconfig is invalid
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Original file line number | Diff line number | Diff line change |
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list_pod_with_invalid_kubeconfig |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,17 @@ | ||
INCLUDE:=-I../../kubernetes/ | ||
LIBS:=-L../../kubernetes/build -lyaml -lwebsockets -lkubernetes -L/usr/local/lib | ||
CFLAGS:=-g | ||
BIN:=list_pod_with_invalid_kubeconfig | ||
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.PHONY : all clean test memcheck | ||
all: | ||
gcc main.c $(CFLAGS) $(INCLUDE) $(LIBS) -o $(BIN) | ||
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test: | ||
./$(BIN) | ||
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memcheck: | ||
valgrind --tool=memcheck --leak-check=full ./$(BIN) | ||
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clean: | ||
rm ./$(BIN) |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,67 @@ | ||
#include <config/kube_config.h> | ||
#include <api/CoreV1API.h> | ||
#include <stdio.h> | ||
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void list_pod(apiClient_t * apiClient) | ||
{ | ||
v1_pod_list_t *pod_list = NULL; | ||
pod_list = CoreV1API_listNamespacedPod(apiClient, "default", /*namespace */ | ||
NULL, /* pretty */ | ||
0, /* allowWatchBookmarks */ | ||
NULL, /* continue */ | ||
NULL, /* fieldSelector */ | ||
NULL, /* labelSelector */ | ||
0, /* limit */ | ||
NULL, /* resourceVersion */ | ||
NULL, /* resourceVersionMatch */ | ||
0, /* timeoutSeconds */ | ||
0 /* watch */ | ||
); | ||
printf("The return code of HTTP request=%ld\n", apiClient->response_code); | ||
if (pod_list) { | ||
printf("Get pod list:\n"); | ||
listEntry_t *listEntry = NULL; | ||
v1_pod_t *pod = NULL; | ||
list_ForEach(listEntry, pod_list->items) { | ||
pod = listEntry->data; | ||
printf("\tThe pod name: %s\n", pod->metadata->name); | ||
} | ||
v1_pod_list_free(pod_list); | ||
pod_list = NULL; | ||
} else { | ||
printf("Cannot get any pod.\n"); | ||
} | ||
} | ||
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int main() | ||
{ | ||
char *basePath = NULL; | ||
sslConfig_t *sslConfig = NULL; | ||
list_t *apiKeys = NULL; | ||
int rc = load_kube_config(&basePath, &sslConfig, &apiKeys, "non-existent-file"); | ||
if (rc != 0) { | ||
printf("Cannot load kubernetes configuration.\n"); | ||
/* Return 0 to avoid Github/Action check failures. | ||
You should return a non-zero value in a production environment. */ | ||
return 0; | ||
} | ||
apiClient_t *apiClient = apiClient_create_with_base_path(basePath, sslConfig, apiKeys); | ||
if (!apiClient) { | ||
printf("Cannot create a kubernetes client.\n"); | ||
/* Return 0 to avoid Github/Action check failures. | ||
You should return a non-zero value in a production environment. */ | ||
return 0; | ||
} | ||
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list_pod(apiClient); | ||
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apiClient_free(apiClient); | ||
apiClient = NULL; | ||
free_client_config(basePath, sslConfig, apiKeys); | ||
basePath = NULL; | ||
sslConfig = NULL; | ||
apiKeys = NULL; | ||
apiClient_unsetupGlobalEnv(); | ||
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return 0; | ||
} |
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