To use this function add it to the class library file named ChefService.ts
GitHub Repository: https://github.com/SimonSparksUK/Orchestrator
Filename: ChefService.ts
Description: Orchestrator Function to remove a virtual machines from Chef using Knife via SSH
Function ChefDecomission
public ChefDecomission(arrHostName: string[], strUsername: string, strPassword: string): void {
let strChefFQDN: string = "chef.cloudbuildtools.com";
try {
let objSSHSession: SSHSession = new SSHSession(strChefFQDN, strUsername);
objSSHSession.connectWithPassword(strPassword)
arrHostName.forEach((strHostName: string) => {
objSSHSession.executeCommand("knife node delete " + strHostName.toLowerCase() + ".cloudbuildtools.com -y -c /home/cloudbuildtools/client.rb -u vcoflow -k /home/cloudbuildtools/client.pem", true);
this.objLogger.info("SSH Executing: knife node delete '" + strHostName.toLowerCase() + ".cloudbuildtools.com'");
let strErrorText: string = objSSHSession.error;
let intExitCode: number = objSSHSession.exitCode;
let strOutputText: string = objSSHSession.output;
strOutputText = strOutputText.replace(/\n/, "");
if (intExitCode == 0) {
this.objLogger.info("SSH Output: " + strOutputText);
}
else {
if (strErrorText.search(/404 \"Not Found\"/) > -1) {
this.objLogger.info("SSH Error: Node " + strHostName.toLowerCase() + ".cloudbuildtools.com not found on Chef Server");
}
else {
this.objLogger.info(strErrorText);
}
}
objSSHSession.executeCommand("knife client delete " + strHostName.toLowerCase() + ".cloudbuildtools.com -y -c /home/cloudbuildtools/client.rb -u vcoflow -k /home/cloudbuildtools/client.pem", true);
this.objLogger.info("SSH Executing: knife client delete '" + strHostName.toLowerCase() + ".cloudbuildtools.com'");
strErrorText = objSSHSession.error;
intExitCode = objSSHSession.exitCode;
strOutputText = objSSHSession.output;
strOutputText = strOutputText.replace(/\n/, "");
if (intExitCode == 0) {
this.objLogger.info("SSH Output: " + strOutputText);
}
else {
if (strErrorText.search(/404 \"Not Found\"/) > -1) {
this.objLogger.info("SSH Error: Client " + strHostName.toLowerCase() + ".cloudbuildtools.com not found on Chef Server");
}
else {
this.objLogger.info(strErrorText);
}
}
});
objSSHSession.disconnect();
objSSHSession = null;
}
catch (strException) {
this.objLogger.info("Exception: " + strException);
this.objLogger.info("Unable to SSH to " + strChefFQDN + " to run the 'knife' commands to clean up Chef");
}
}Discover more from Cloud Build Tools
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