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canic_cli/
lib.rs

1mod apps;
2mod auth;
3mod backup;
4mod blob_storage;
5mod build;
6mod cli;
7mod cycles;
8mod deploy;
9mod endpoints;
10mod evidence;
11mod evidence_support;
12mod info;
13mod info_env;
14mod info_subnets;
15mod inspect;
16mod install;
17mod list;
18mod medic;
19mod metrics;
20mod network;
21mod output;
22mod replica;
23mod restore;
24mod scaffold;
25mod state;
26mod status;
27mod support;
28#[cfg(test)]
29mod test_support;
30mod token;
31
32use crate::cli::{
33    clap::parse_matches,
34    globals::{
35        DISPATCH_ARGS, apply_global_environment, apply_global_icp, command_local_global_option,
36        top_level_dispatch_command,
37    },
38    help::{first_arg_is_help, usage},
39};
40pub use cli::top_level_command;
41use std::ffi::OsString;
42use thiserror::Error as ThisError;
43
44const VERSION_TEXT: &str = concat!("canic ", env!("CARGO_PKG_VERSION"));
45
46///
47/// CliError
48///
49
50#[derive(Debug, ThisError)]
51pub enum CliError {
52    #[error("{0}")]
53    Usage(String),
54
55    #[error("backup: {0}")]
56    Backup(#[from] backup::BackupCommandError),
57
58    #[error("auth: {0}")]
59    Auth(#[from] auth::AuthCommandError),
60
61    #[error("blob-storage: {0}")]
62    BlobStorage(#[from] blob_storage::BlobStorageCommandError),
63
64    #[error("build: {0}")]
65    Build(#[from] build::BuildCommandError),
66
67    #[error("cycles: {0}")]
68    Cycles(#[from] cycles::CyclesCommandError),
69
70    #[error("deploy: {0}")]
71    Deploy(#[from] deploy::DeployCommandError),
72
73    #[error("evidence: {0}")]
74    Evidence(#[from] evidence::EvidenceCommandError),
75
76    #[error("install: {0}")]
77    Install(#[from] install::InstallCommandError),
78
79    #[error("inspect: {0}")]
80    Inspect(#[from] inspect::InspectCommandError),
81
82    #[error("info: {0}")]
83    Info(#[from] info::InfoCommandError),
84
85    #[error("medic: {0}")]
86    Medic(#[from] medic::MedicCommandError),
87
88    #[error("network: {0}")]
89    Network(#[from] network::NetworkCommandError),
90
91    #[error("app: {0}")]
92    Apps(#[from] apps::AppCommandError),
93
94    #[error("state: {0}")]
95    State(#[from] state::StateCommandError),
96
97    #[error("scaffold: {0}")]
98    Scaffold(#[from] scaffold::ScaffoldCommandError),
99
100    #[error("restore: {0}")]
101    Restore(#[from] restore::RestoreCommandError),
102
103    #[error("replica: {0}")]
104    Replica(#[from] replica::ReplicaCommandError),
105
106    #[error("status: {0}")]
107    Status(#[from] status::StatusCommandError),
108
109    #[error("token: {0}")]
110    Token(#[from] token::TokenCommandError),
111}
112
113/// Run the CLI from process arguments.
114pub fn run_from_env() -> Result<(), CliError> {
115    run(std::env::args_os().skip(1))
116}
117
118/// Run the CLI from an argument iterator.
119pub fn run<I>(args: I) -> Result<(), CliError>
120where
121    I: IntoIterator<Item = OsString>,
122{
123    let args = args.into_iter().collect::<Vec<_>>();
124    if first_arg_is_help(&args) {
125        println!("{}", usage());
126        return Ok(());
127    }
128    if let Some(option) = command_local_global_option(&args) {
129        return Err(CliError::Usage(format!(
130            "{option} is a top-level option; put it before the command\n\n{}",
131            usage()
132        )));
133    }
134
135    let matches =
136        parse_matches(top_level_dispatch_command(), args).map_err(|_| CliError::Usage(usage()))?;
137    if matches.get_flag("version") {
138        println!("{}", version_text());
139        return Ok(());
140    }
141    let global_icp = cli::clap::string_option(&matches, "icp");
142    let global_environment = cli::clap::string_option(&matches, "environment");
143
144    let Some((command, subcommand_matches)) = matches.subcommand() else {
145        return Err(CliError::Usage(usage()));
146    };
147    let mut tail = subcommand_matches
148        .get_many::<OsString>(DISPATCH_ARGS)
149        .map(|values| values.cloned().collect::<Vec<_>>())
150        .unwrap_or_default();
151    apply_global_icp(command, &mut tail, global_icp);
152    apply_global_environment(command, &mut tail, global_environment);
153    let tail = tail.into_iter();
154
155    match command {
156        "backup" => backup::run(tail).map_err(CliError::from),
157        "auth" => auth::run(tail).map_err(CliError::from),
158        "blob-storage" => blob_storage::run(tail).map_err(CliError::from),
159        "build" => build::run(tail).map_err(CliError::from),
160        "cycles" => cycles::run(tail).map_err(CliError::from),
161        "deploy" => deploy::run(tail).map_err(CliError::from),
162        "evidence" => evidence::run(tail).map_err(CliError::from),
163        "app" => apps::run(tail).map_err(CliError::from),
164        "info" => info::run(tail).map_err(CliError::from),
165        "install" => install::run(tail).map_err(CliError::from),
166        "inspect" => inspect::run(tail).map_err(CliError::from),
167        "medic" => medic::run(tail).map_err(CliError::from),
168        "network" => network::run(tail).map_err(CliError::from),
169        "replica" => replica::run(tail).map_err(CliError::from),
170        "scaffold" => scaffold::run(tail).map_err(CliError::from),
171        "state" => state::run(tail).map_err(CliError::from),
172        "status" => status::run(tail).map_err(CliError::from),
173        "token" => token::run(tail).map_err(CliError::from),
174        "restore" => restore::run(tail).map_err(CliError::from),
175        _ => unreachable!("top-level dispatch command only defines known commands"),
176    }
177}
178
179#[must_use]
180pub const fn version_text() -> &'static str {
181    VERSION_TEXT
182}
183
184#[must_use]
185pub fn render_cli_error(error: &CliError) -> String {
186    match error {
187        CliError::BlobStorage(err) => err.json_error_report().unwrap_or_else(|| error.to_string()),
188        CliError::Deploy(err) if err.suppress_stderr() => String::new(),
189        CliError::Inspect(err) if err.suppress_stderr() => String::new(),
190        CliError::Medic(err) if err.suppress_stderr() => String::new(),
191        CliError::State(err) if err.suppress_stderr() => String::new(),
192        _ => error.to_string(),
193    }
194}
195
196#[must_use]
197pub fn cli_error_exit_code(err: &CliError) -> i32 {
198    match err {
199        CliError::Usage(_) => 2,
200        CliError::Auth(err) => i32::from(err.exit_code()),
201        CliError::BlobStorage(err) => i32::from(err.exit_code()),
202        CliError::Deploy(err) => i32::from(err.exit_code()),
203        CliError::Info(err) => i32::from(err.exit_code()),
204        CliError::Inspect(err) => i32::from(err.exit_code()),
205        CliError::Medic(err) => i32::from(err.exit_code()),
206        CliError::State(err) => i32::from(err.exit_code()),
207        _ => 1,
208    }
209}
210
211#[cfg(test)]
212mod tests;