refactor: 将启动初始化代码移到专门的类中.

将启动时对组件的初始化工作由 ApplicationMain 移动到 ApplicationInitiation.
This commit is contained in:
LamGC 2021-08-15 13:25:51 +08:00
parent 9db2671fd3
commit b5d0e0f6a0
Signed by: LamGC
GPG Key ID: 6C5AE2A913941E1D
2 changed files with 143 additions and 67 deletions

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@ -0,0 +1,143 @@
package net.lamgc.oracle.sentry;
import com.oracle.bmc.auth.AuthenticationDetailsProvider;
import net.lamgc.oracle.sentry.script.ScriptComponent;
import net.lamgc.oracle.sentry.script.ScriptManager;
import net.lamgc.oracle.sentry.script.tools.http.ScriptHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.lang.NonNull;
import java.io.File;
import java.io.IOException;
/**
* @author LamGC
*/
@SuppressWarnings("rawtypes")
@Configuration
public class ApplicationInitiation implements ApplicationContextInitializer {
private final static Logger log = LoggerFactory.getLogger(ApplicationInitiation.class);
@Value("${oracle.identity.location:./identity/}")
@NonNull
private String identityDirectory;
@Value("${oracle.identity.pattern:.*\\.oracle.ini$}")
@NonNull
private String identityFilePattern;
@Value("${sentry.script.location:./scripts/}")
@NonNull
private String scriptsLocation;
@Value("${oracle.script.ssh.identityPath:./config/ssh.config.json}")
@NonNull
private String sshIdentityPath;
@Bean("oracle.identity.manager")
public OracleIdentityManager initialOracleIdentityManager() throws IOException {
OracleIdentityManager oracleUserManager = new OracleIdentityManager();
log.info("正在加载 Oracle API 身份配置...");
log.debug("Oracle API 身份配置查找路径: \"{}\", 匹配表达式: {}", identityDirectory, identityFilePattern);
File identityDir = new File(identityDirectory);
if (!identityDir.exists()) {
if (identityDir.mkdirs()) {
log.warn("身份配置文件夹不存在, 已创建该文件夹, 请将身份配置放入该文件夹后重新启动程序.");
} else {
log.error("身份配置文件夹创建失败, 请手动在运行目录下创建 'identity' 文件夹, 并将身份配置放入该文件夹中, 重新启动程序.");
}
System.exit(1);
}
int loadedCount = oracleUserManager.loadFromDirectory(identityDir, identityFilePattern);
log.info("已加载 {} 个身份配置.", loadedCount);
return oracleUserManager;
}
@Bean("oracle.compute.instance.manager")
@Autowired
public ComputeInstanceManager initialComputeInstanceManager(OracleIdentityManager identityManager) throws IOException {
ComputeInstanceManager instanceManager = new ComputeInstanceManager();
int addTotal = 0;
for (AuthenticationDetailsProvider provider : identityManager.getProviders()) {
String identityName = identityManager.getIdentityName(provider.getUserId());
log.info("正在加载用户 {} 所拥有的所有实例...", identityName);
int addCount;
try {
addCount = instanceManager.addComputeInstanceFromUser(provider);
} catch (Exception e) {
log.error("加载实例时发生异常.", e);
continue;
}
log.info("用户 {} 已添加 {} 个计算实例.", identityName, addCount);
addTotal += addCount;
}
log.info("正在初始化 SSH 认证配置提供器...");
instanceManager.initialSshIdentityProvider(new File(sshIdentityPath));
log.info("已完成 ComputeInstanceManager 初始化, 共加载了 {} 个计算实例.", addTotal);
return instanceManager;
}
@Bean("sentry.script.manager")
@Autowired
public ScriptManager initialScriptManager(ComputeInstanceManager instanceManager) {
ScriptComponent context = new ScriptComponent(new ScriptHttpClient(HttpClientBuilder.create()
.build()),
instanceManager);
ScriptManager manager = new ScriptManager(new File(scriptsLocation), context);
manager.loadScripts();
return manager;
}
@Override
public void initialize(ConfigurableApplicationContext applicationContext) {
try {
boolean result = initialDirectory();
if (result) {
System.exit(1);
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private boolean initialDirectory() throws IOException {
String[] directors = new String[] {
identityDirectory,
scriptsLocation
};
String[] files = new String[] {
sshIdentityPath
};
boolean hasFailure = false;
for (String directory : directors) {
File dir = new File(directory);
if (!dir.exists() && !dir.mkdirs()) {
log.error("文件夹 {} 创建失败.", dir.getCanonicalPath());
hasFailure = true;
}
}
for (String file : files) {
File dir = new File(file);
if (!dir.exists() && !dir.createNewFile()) {
log.error("文件 {} 创建失败.", dir.getCanonicalPath());
hasFailure = true;
}
}
log.info("目录检查完成.");
return hasFailure;
}
}

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@ -1,22 +1,11 @@
package net.lamgc.oracle.sentry;
import com.oracle.bmc.auth.AuthenticationDetailsProvider;
import net.lamgc.oracle.sentry.script.ScriptComponent;
import net.lamgc.oracle.sentry.script.ScriptManager;
import net.lamgc.oracle.sentry.script.tools.http.ScriptHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.io.File;
import java.io.IOException;
/**
* <p> 程序入口
* @author LamGC
@ -30,15 +19,6 @@ public class ApplicationMain {
@SuppressWarnings("AlibabaConstantFieldShouldBeUpperCase")
private final static Object mainThreadWaiter = new Object();
@Value("${oracle.identity.location:./identity/}")
private String identityDirectory;
@Value("${oracle.identity.pattern:.*\\.oracle.ini$}")
private String identityFilePattern;
@Value("${sentry.script.location:./scripts/}")
private String scriptsLocation;
@Value("${oracle.script.ssh.identityPath:./ssh.config.json}")
private String sshIdentityPath;
public static void main(String[] args) {
SpringApplication.run(ApplicationMain.class, args);
Runtime.getRuntime().addShutdownHook(new Thread(mainThreadWaiter::notifyAll, "ShutdownMainThread"));
@ -51,51 +31,4 @@ public class ApplicationMain {
}
}
@Bean("oracle.identity.manager")
public OracleIdentityManager initialOracleIdentityManager() throws IOException {
OracleIdentityManager oracleUserManager = new OracleIdentityManager();
log.info("正在加载 Oracle API 身份配置...");
log.debug("Oracle API 身份配置查找路径: \"{}\", 匹配表达式: {}", identityDirectory, identityFilePattern);
int loadedCount = oracleUserManager.loadFromDirectory(new File(identityDirectory), identityFilePattern);
log.info("已加载 {} 个身份配置.", loadedCount);
return oracleUserManager;
}
@Bean("oracle.compute.instance.manager")
@Autowired
public ComputeInstanceManager initialComputeInstanceManager(OracleIdentityManager identityManager) throws IOException {
ComputeInstanceManager instanceManager = new ComputeInstanceManager();
int addTotal = 0;
for (AuthenticationDetailsProvider provider : identityManager.getProviders()) {
String identityName = identityManager.getIdentityName(provider.getUserId());
log.info("正在加载用户 {} 所拥有的所有实例...", identityName);
int addCount;
try {
addCount = instanceManager.addComputeInstanceFromUser(provider);
} catch (Exception e) {
log.error("加载实例时发生异常.", e);
continue;
}
log.info("用户 {} 已添加 {} 个计算实例.", identityName, addCount);
addTotal += addCount;
}
log.info("正在初始化 SSH 认证配置提供器...");
instanceManager.initialSshIdentityProvider(new File(sshIdentityPath));
log.info("已完成 ComputeInstanceManager 初始化, 共加载了 {} 个计算实例.", addTotal);
return instanceManager;
}
@Bean("sentry.script.manager")
@Autowired
public ScriptManager initialScriptManager(ComputeInstanceManager instanceManager) {
ScriptComponent context = new ScriptComponent(new ScriptHttpClient(HttpClientBuilder.create()
.build()),
instanceManager);
ScriptManager manager = new ScriptManager(new File(scriptsLocation), context);
manager.loadScripts();
return manager;
}
}