Mercurial > hg > Members > anatofuz > ie-virsh
annotate src/main.rs @ 11:9fac2c578228
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| author | AnaTofuZ <anatofuz@gmail.com> |
|---|---|
| date | Thu, 29 Oct 2020 09:44:38 +0900 |
| parents | 188bf8ab3e81 |
| children | 0df4d067badb |
| rev | line source |
|---|---|
| 8 | 1 use clap::Clap; |
| 1 | 2 use nix; |
| 3 | 3 use std::process::Command; |
| 1 | 4 |
| 5 | 5 #[derive(Clap)] |
| 7 | 6 #[clap(version = "1.0", author = "AnaTofuZ <anatofuz@cr.ie.u-ryukyu.ac.jp>")] |
| 5 | 7 struct Opts { |
| 8 #[clap(subcommand)] | |
| 9 subcmd: SubCommand, | |
| 10 } | |
| 11 | |
| 12 #[derive(Clap)] | |
| 13 enum SubCommand { | |
| 10 | 14 List(List), |
| 15 Undefine(UnDefine), | |
| 16 Define(Define), | |
| 17 Shutdown(Shutdown), | |
| 18 Destroy(Destroy), | |
| 19 Console(Console), | |
| 20 Start(Start), | |
| 21 Ttyconsole(TTyConsole), | |
| 11 | 22 VNCDisplay(VNCDisplay) |
| 23 //todo define-gdb dumpxml | |
| 5 | 24 } |
| 25 | |
| 7 | 26 /// define (but don't start) a domain from an template XML file |
| 5 | 27 #[derive(Clap)] |
| 28 struct Define { | |
| 29 name: String, | |
| 30 } | |
| 31 | |
| 11 | 32 // vncdisplay |
| 33 #[derive(Clap)] | |
| 34 struct VNCDisplay { | |
| 35 name_or_id: String, | |
| 36 } | |
| 37 | |
| 10 | 38 /// undefine a domain |
| 39 #[derive(Clap)] | |
| 40 struct UnDefine { | |
| 41 name: String, | |
| 42 } | |
| 43 | |
| 44 /// start a (previously defined) inactive domain | |
| 45 #[derive(Clap)] | |
| 46 struct Start { | |
| 47 name: String, | |
| 48 } | |
| 49 | |
| 50 /// tty console | |
| 51 #[derive(Clap)] | |
| 52 struct TTyConsole { | |
| 53 name_or_id: String, | |
| 54 } | |
| 55 | |
| 7 | 56 /// gracefully shutdown a domain |
| 5 | 57 #[derive(Clap)] |
| 58 struct Shutdown { | |
| 59 name: String, | |
| 60 } | |
| 61 | |
| 7 | 62 /// list domains |
| 63 #[derive(Clap)] | |
| 64 struct List {} | |
| 65 | |
| 10 | 66 /// destroy (stop) a domain |
| 67 #[derive(Clap)] | |
| 68 struct Destroy { | |
| 69 name: String, | |
| 70 } | |
| 71 | |
| 72 /// connect to the guest console | |
| 73 #[derive(Clap)] | |
| 74 struct Console { | |
| 75 name_or_id: String, | |
| 76 } | |
| 77 | |
| 78 struct ListDumpMsg { | |
| 7 | 79 info_msg: String, |
| 80 border_line: String, | |
| 81 } | |
| 82 | |
| 5 | 83 struct VM { |
| 84 id: u32, | |
| 85 name: String, | |
| 86 is_vm_running: bool, | |
| 87 } | |
| 88 | |
| 0 | 89 fn main() { |
| 7 | 90 let opts: Opts = Opts::parse(); |
| 91 | |
| 4 | 92 let uid = getuid(); |
| 93 let gid = getgid(); | |
| 3 | 94 let user_name = getlogin(uid); |
| 95 println!("uid: {} gid: {} name: {}", uid, gid, user_name); | |
| 5 | 96 |
| 7 | 97 match opts.subcmd { |
| 10 | 98 SubCommand::List(_) => { |
| 7 | 99 set_root_id(); |
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not parse when executing the list command
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parents:
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changeset
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100 let (ldump_msg, vm_list_strs) = list_command(user_name); |
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parents:
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101 println!("{}\n{}", ldump_msg.info_msg, ldump_msg.border_line); |
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102 for vm_info in vm_list_strs { |
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103 println!("{}", vm_info); |
| 7 | 104 } |
| 5 | 105 } |
| 10 | 106 SubCommand::Define(name) => {} |
| 107 SubCommand::Shutdown(name) => {} | |
| 108 SubCommand::Console(name) => {} | |
| 109 | |
| 110 SubCommand::Destroy(name_or_id) => {} | |
| 111 _ => {} | |
| 5 | 112 } |
| 113 | |
| 114 //set_root_id(); | |
| 115 //list_command(user_name); | |
| 0 | 116 } |
| 1 | 117 |
| 2 | 118 fn getlogin(uid: u32) -> &'static str { |
| 119 use std::ffi::CStr; | |
| 4 | 120 let user_passwd = unsafe { nix::libc::getpwuid(uid) }; |
| 121 let c_str = unsafe { CStr::from_ptr((*user_passwd).pw_name) }; | |
| 1 | 122 return c_str.to_str().unwrap(); |
| 123 } | |
| 124 | |
| 125 fn getuid() -> u32 { | |
| 126 let uid_struct = nix::unistd::getuid(); | |
| 3 | 127 return uid_struct.into(); |
| 1 | 128 } |
| 129 | |
| 130 fn getgid() -> u32 { | |
| 131 let gid_struct = nix::unistd::getgid(); | |
| 3 | 132 return gid_struct.into(); |
| 133 } | |
| 134 | |
| 10 | 135 fn list_command(user_name: &'static str) -> (ListDumpMsg, Vec<String>) { |
| 4 | 136 let output = Command::new("virsh") |
| 137 .arg("list") | |
| 138 .arg("--all") | |
| 139 .output() | |
| 140 .expect("failed to virsh"); | |
| 141 let virsh_list = String::from_utf8_lossy(&output.stdout); | |
| 142 let mut virsh_list = virsh_list.split("\n"); | |
| 7 | 143 |
| 4 | 144 let info_msg = virsh_list.next().unwrap(); |
| 145 let border_line = virsh_list.next().unwrap(); | |
| 10 | 146 let ldump_msg = ListDumpMsg { |
| 7 | 147 info_msg: String::from(info_msg), |
| 148 border_line: String::from(border_line), | |
| 149 }; | |
| 4 | 150 |
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parents:
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151 return ( |
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152 ldump_msg, |
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153 virsh_list |
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parents:
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154 .filter(|&x| x.contains(user_name)) |
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AnaTofuZ <anatofuz@gmail.com>
parents:
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155 .map(|x| x.to_string()) |
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AnaTofuZ <anatofuz@gmail.com>
parents:
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156 .collect(), |
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AnaTofuZ <anatofuz@gmail.com>
parents:
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changeset
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157 ); |
| 1 | 158 } |
| 3 | 159 |
| 4 | 160 fn set_root_id() { |
| 3 | 161 let id = 0; |
| 162 match nix::unistd::seteuid(nix::unistd::Uid::from_raw(id)) { | |
| 163 Err(err) => panic!("failed seteuid {}", err), | |
| 164 Ok(_) => {} | |
| 165 } | |
| 166 match nix::unistd::setegid(nix::unistd::Gid::from_raw(id)) { | |
| 167 Err(err) => panic!("failed setedid{}", err), | |
| 168 Ok(_) => {} | |
| 169 } | |
| 170 | |
| 171 match nix::unistd::setuid(nix::unistd::Uid::from_raw(id)) { | |
| 172 Err(err) => panic!("failed setuid {}", err), | |
| 173 Ok(_) => {} | |
| 174 } | |
| 175 | |
| 176 match nix::unistd::setgid(nix::unistd::Gid::from_raw(id)) { | |
| 177 Err(err) => panic!("failed setdid{}", err), | |
| 178 Ok(_) => {} | |
| 179 } | |
| 4 | 180 } |
| 5 | 181 |
| 6 | 182 fn create_new_vm(user_name: &'static str, vm_name: &'static str, debug_kernel: bool) {} |