2502f6b00b
1. Anonymize the API server address 2. Remove useless line-break 3. Delete commented out code
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
#include <apiClient.h>
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#include <CoreV1API.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <errno.h>
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#define K8S_APISERVER_BASEPATH "https://your.server.here"
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#define K8S_TOKEN_FILE_IN_CLUSTER "/var/run/secrets/kubernetes.io/serviceaccount/token"
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#define K8S_TOKEN_BUF_SIZE 1024
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#define K8S_AUTH_KEY "Authorization"
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#define K8S_AUTH_VALUE_TEMPLATE "Bearer %s"
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apiClient_t *g_k8sAPIConnector;
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void list_pod(apiClient_t *apiClient)
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{
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v1_pod_list_t *pod_list = NULL;
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pod_list = CoreV1API_listNamespacedPod( apiClient ,
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"default", /*namespace*/
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NULL, /* pretty */
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0, /* allowWatchBookmarks */
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NULL, /* continue */
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NULL, /* fieldSelector */
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NULL, /* labelSelector */
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0, /* limit */
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NULL, /* resourceVersion */
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0, /* timeoutSeconds */
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0 /* watch */
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);
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printf("return code=%ld\n", apiClient->response_code);
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if(pod_list){
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printf("Get pod list.\n");
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listEntry_t *listEntry = NULL;
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v1_pod_t *pod = NULL;
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list_ForEach(listEntry, pod_list->items){
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pod = listEntry->data;
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printf("pod name=%s\n", pod->metadata->name);
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}
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}else{
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printf("Cannot list any pod.\n");
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}
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}
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int
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loadK8sConfigInCluster(char *token, int token_buf_size)
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{
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static char fname[] = "loadK8sConfigInCluster()";
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FILE *fp;
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fp = fopen(K8S_TOKEN_FILE_IN_CLUSTER, "r");
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if (fp == NULL) {
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if (errno == ENOENT) {
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printf("%s: The file %s does not exist.", fname, K8S_TOKEN_FILE_IN_CLUSTER);
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return (-1);
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} else {
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printf("%s: Failed to open file %s.", fname, K8S_TOKEN_FILE_IN_CLUSTER);
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return (-1);
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}
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}
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while (fgets(token, token_buf_size, fp) != NULL) {
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;
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}
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printf("%s\n", token);
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fclose(fp);
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return 0;
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}
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int
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init_k8s_connector(const char *token_out_of_cluster)
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{
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list_t *apiKeys;
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apiKeys = list_create();
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char *keyToken = strdup(K8S_AUTH_KEY);
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char valueToken[K8S_TOKEN_BUF_SIZE];
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memset(valueToken, 0, sizeof(valueToken));
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sprintf(valueToken, K8S_AUTH_VALUE_TEMPLATE, token_out_of_cluster);
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keyValuePair_t *keyPairToken = keyValuePair_create(keyToken, valueToken);
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list_addElement(apiKeys, keyPairToken);
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g_k8sAPIConnector = apiClient_create_with_base_path(K8S_APISERVER_BASEPATH, NULL, apiKeys);
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}
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int main(int argc, char *argv[])
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{
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init_k8s_connector(argv[1]);
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list_pod(g_k8sAPIConnector);
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apiClient_free(g_k8sAPIConnector);
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}
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