【24.03-lts-sp1】kubelte/containerd等配置下发存在：1、格式转换等问题会导致节点配置卡住，2、仅配置value值后修改正确的值但是value值一直不变，3、pam.limits下发时未打印setting日志

**【环境信息】**
KubeOS-scripts-1.0.7-1.oe2403sp1

**【问题复现步骤】：
问题一：
1、kubelte/containerd等配置下发时，指定不匹配的格式文件；
2、配置嵌套值配置不正确，比如将配置文件中为key:aaa.bbb, value:ddd修改为key:aaa.bbb.ccc, value:ddd

问题二：
1、不配置key，仅配置value，下发配置
2、修改key/value正常配置，下发配置

问题三：
1、下发配置后查看日志

**【实际结果】**
问题一：节点卡住，无法重新配置
'''
[root@node1 ~]# systemctl status os-agent
○ os-agent.service - Agent For KubeOS
     Loaded: loaded (/usr/lib/systemd/system/os-agent.service; enabled; preset: disabled)
     Active: inactive (dead) since Thu 2024-12-05 18:10:52 CST; 4min 34s ago
   Duration: 1h 11min 49.854s
    Process: 385300 ExecStart=/usr/bin/os-agent (code=exited, status=0/SUCCESS)
   Main PID: 385300 (code=exited, status=0/SUCCESS)

Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z WARN  manager::sys_mgmt::config] Unknown operation "sss", updating key "faculty" with value ""hard.nprpc.30000"" by default
Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z INFO  manager::sys_mgmt::config] Update configuration "faculty hard nprpc 30000"
Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z WARN  manager::sys_mgmt::config] Failed to update pam limits key "student" with value hard.nprpc because of illegal format of value
Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z WARN  manager::sys_mgmt::config] Failed to add key "@faculty" with "_" value, skip this configuration
Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z INFO  manager::sys_mgmt::config] Write configuration to file "/etc/security/limits.conf"
Dec 05 18:10:52 node1 os-agent[385300]: [2024-12-05T10:10:52Z INFO  manager::sys_mgmt::config] Start setting kubernetes.kubelet
Dec 05 18:10:52 node1 os-agent[385300]: thread 'event.loop' panicked at KubeOS-Rust/manager/src/sys_mgmt/config.rs:532:69:
Dec 05 18:10:52 node1 os-agent[385300]: called `Option::unwrap()` on a `None` value
Dec 05 18:10:52 node1 os-agent[385300]: note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Dec 05 18:10:52 node1 systemd[1]: os-agent.service: Deactivated successfully.
'''

问题二：value值不是新下发的值，一直为仅配置value时下发的值
'''
'''

问题三：查看日志，pam.limits下发时未打印Start setting 日志
'''
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  os_agent::rpc::agent_impl] Start to configure
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Start setting kernel.sysctl
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Configured kernel.sysctl fs.mount-max=2000
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Start setting kernel.sysctl.persist
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Add configuration "key_sys=1"
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Write configuration to file "/etc/sysctl.conf"
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z WARN  manager::sys_mgmt::config] dm-verity mode is enabled, skip setting grub.cmdline configuration
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z WARN  manager::sys_mgmt::config] dm-verity mode is enabled, skip setting grub.cmdline configuration
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Update configuration "student hard nprpc 20000"
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Write configuration to file "/etc/security/limits.conf"
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Start setting kubernetes.kubelet
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Update configuration apiVersion: "kubelet.config.k8s.io/v1beta2"
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Start setting container.containerd
Dec  6 17:24:17 node1 os-agent[732]: [2024-12-06T09:24:17Z INFO  manager::sys_mgmt::config] Update configuration disabled_plugins: 2

'''
**【期望结果】**
1、不会卡住，可以重新配置
2、value为每次下发的值
3、pam.limits下发时打印Start setting 日志

**【其他相关附件信息】**
如上

src-openEuler/KubeOS

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