| Author | 刘昊 |
|---|---|
| Date | 2021-03-30 |
| [email protected] |
The CRI adapter is used to implement CRI's network functions for Pod joining, exiting, and network information acquisition; and management of network configuration files.
##
````
/*
* Description: adapter initialization, set the directory where the cni configuration file is located, and the directory list where the cni plugin is located;
* conf_dir: cni configuration file storage directory;
* bin_paths: cni plugin storage directory list;
* bin_paths_len: directory listing length;
* Return value: return 0 on success, non-zero on failure
*/
int adaptor_cni_init_confs(const char *conf_dir, const char **bin_paths, const size_t bin_paths_len);
/*
* Description: Update the cni configuration file collection;
* Return value: return 0 on success, non-zero on failure
*/
int adaptor_cni_update_confs();
/*
* Description: Check whether the adapter initialization is successful;
* Return value: return true on success, false on failure;
*/
bool adaptor_cni_check_inited();
/*
* Description: Add the pod to the network plane;
* conf: configuration parameters, including the list of added network plane names, pod id and other information;
* result: The return information of adding network operation, including network information such as ip, mac;
* Return value: return 0 on success, non-zero on failure
*/
int adaptor_cni_setup(const network_api_conf *conf, network_api_result_list *result);
/*
* Description: Exit the pod from the network plane;
* conf: configuration parameters, including the list of exited network plane names, pod id and other information;
* result: The return information of adding network operation, including network information such as ip, mac;
* Return value: return 0 on success, non-zero on failure
*/
int adaptor_cni_teardown(const network_api_conf *conf, network_api_result_list *result);
/*
* Description: Check the network plane of the pod;
* conf: configuration parameters, including check network plane name list, pod id and other information;
* result: The return information of the check network operation, including network information such as ip and mac;
* Return value: return 0 on success, non-zero on failure
*/
int adaptor_cni_check(const network_api_conf *conf, network_api_result_list *result);
````
##graph TD
A(获取CNI配置文件信息列表)
B(foreach配置)
C{网络是否已存在}
D(忽略当前配置)
E(记录配置的索引到全局map)
F(next)
A -->B
B -->C
C -->|No|E
C -->|Yes|D
D -->F
E -->F
F --> B
graph TD
A(attach loop网络)
B(操作的网络列表)
C(foreach网络列表)
D(执行默认网口的网络操作)
E(准备配置)
F(退出)
G{是否存在}
H{是否忽略}
I{是否默认网口}
J(忽略当前配置)
K(报错退出)
L(退出for循环)
M(记录默认网口的网络索引)
N(执行网络操作attach/detach)
O(next)
A -->B
B -->C
B -->D
D -->F
C -->E
E -->G
G -->|No|H
G -->|Yes|I
H -->|Yes|J
H -->|No|K
I -->|Yes|M
I -->|No|N
J -->E
K -->L
M -->O
N -->O
O -->E