Add env feature to clap and make clap parameters available as env variables

nym-api/Cargo.toml

@@ -22,7 +22,7 @@ bip39 = { workspace = true }
 bincode.workspace = true
 bloomfilter = { workspace = true }
 cfg-if = { workspace = true }
-clap = { workspace = true, features = ["cargo", "derive"] }
+clap = { workspace = true, features = ["cargo", "derive", "env"] }
 console-subscriber = { workspace = true, optional = true } # validator-api needs to be built with RUSTFLAGS="--cfg tokio_unstable"
 dirs = { workspace = true }
 futures = { workspace = true }

nym-api/src/support/cli/init.rs

@@ -9,27 +9,33 @@ use anyhow::bail;
 pub(crate) struct Args {
     /// Id of the nym-api we want to initialise. if unspecified, a default value will be used.
     /// default: "default"
-    #[clap(long, default_value = "default")]
+    #[clap(long, default_value = "default", env = "NYMAPI_ID_ARG")]
     pub(crate) id: String,
 
     /// Specifies whether network monitoring is enabled on this API
     /// default: false
-    #[clap(short = 'm', long)]
+    #[clap(short = 'm', long, env = "NYMAPI_ENABLE_MONITOR_ARG")]
     pub(crate) enable_monitor: bool,
 
     /// Specifies whether network rewarding is enabled on this API
     /// default: false
-    #[clap(short = 'r', long, requires = "enable_monitor", requires = "mnemonic")]
+    #[clap(
+        short = 'r',
+        long,
+        requires = "enable_monitor",
+        requires = "mnemonic",
+        env = "NYMAPI_ENABLE_REWARDING_ARG"
+    )]
     pub(crate) enable_rewarding: bool,
 
     /// Endpoint to nyxd instance used for contract information.
     /// default: http://localhost:26657
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_NYXD_VALIDATOR_ARG")]
     pub(crate) nyxd_validator: Option<url::Url>,
 
     /// Mnemonic of the network monitor used for sending rewarding and zk-nyms transactions
     /// default: None
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_MNEMONIC_ARG")]
     pub(crate) mnemonic: Option<bip39::Mnemonic>,
 
     /// Flag to indicate whether credential signer authority is enabled on this API
@@ -38,18 +44,23 @@ pub(crate) struct Args {
         long,
         requires = "mnemonic",
         requires = "announce_address",
-        alias = "enable_coconut"
+        alias = "enable_coconut",
+        env = "NYMAPI_ENABLE_ZK_NYM_ARG"
     )]
     pub(crate) enable_zk_nym: bool,
 
     /// Announced address that is going to be put in the DKG contract where zk-nym clients will connect
     /// to obtain their credentials
     /// default: None
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_ANNOUNCE_ADDRESS_NYM_ARG")]
     pub(crate) announce_address: Option<url::Url>,
 
     /// Set this nym api to work in a enabled credentials that would attempt to use gateway with the bandwidth credential requirement
-    #[clap(long, requires = "enable_monitor")]
+    #[clap(
+        long,
+        requires = "enable_monitor",
+        env = "NYMAPI_MONITOR_CREDENTIALS_MODE_ARG"
+    )]
     pub(crate) monitor_credentials_mode: bool,
     // #[clap(short, long, default_value_t = OutputFormat::default())]
     // output: OutputFormat,

nym-api/src/support/cli/mod.rs

@@ -20,11 +20,11 @@ fn pretty_build_info_static() -> &'static str {
 #[clap(author = "Nymtech", version, long_version = pretty_build_info_static(), about)]
 pub(crate) struct Cli {
     /// Path pointing to an env file that configures the Nym API.
-    #[clap(short, long)]
+    #[clap(short, long, env = "NYMAPI_CONFIG_ENV_FILE_ARG")]
     pub(crate) config_env_file: Option<std::path::PathBuf>,
 
     /// A no-op flag included for consistency with other binaries (and compatibility with nymvisor, oops)
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_NO_BANNER_ARG")]
     pub(crate) no_banner: bool,
 
     #[clap(subcommand)]

nym-api/src/support/cli/run.rs

@@ -9,27 +9,33 @@ use cfg_if::cfg_if;
 pub(crate) struct Args {
     /// Id of the nym-api we want to run.if unspecified, a default value will be used.
     /// default: "default"
-    #[clap(long, default_value = "default")]
+    #[clap(long, default_value = "default", env = "NYMAPI_ID_ARG")]
     pub(crate) id: String,
 
     /// Specifies whether network monitoring is enabled on this API
     /// default: None - config value will be used instead
-    #[clap(short = 'm', long)]
+    #[clap(short = 'm', long, env = "NYMAPI_ENABLE_MONITOR_ARG")]
     pub(crate) enable_monitor: Option<bool>,
 
     /// Specifies whether network rewarding is enabled on this API
     /// default: None - config value will be used instead
-    #[clap(short = 'r', long, requires = "enable_monitor", requires = "mnemonic")]
+    #[clap(
+        short = 'r',
+        long,
+        requires = "enable_monitor",
+        requires = "mnemonic",
+        env = "NYMAPI_ENABLE_REWARDING_ARG"
+    )]
     pub(crate) enable_rewarding: Option<bool>,
 
     /// Endpoint to nyxd instance used for contract information.
     /// default: None - config value will be used instead
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_NYXD_VALIDATOR_ARG")]
     pub(crate) nyxd_validator: Option<url::Url>,
 
     /// Mnemonic of the network monitor used for sending rewarding and zk-nyms transactions
     /// default: None - config value will be used instead
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_MNEMONIC_ARG")]
     pub(crate) mnemonic: Option<bip39::Mnemonic>,
 
     /// Flag to indicate whether coconut signer authority is enabled on this API
@@ -38,19 +44,20 @@ pub(crate) struct Args {
         long,
         requires = "mnemonic",
         requires = "announce_address",
-        alias = "enable_coconut"
+        alias = "enable_coconut",
+        env = "NYMAPI_ENABLE_ZK_NYM_ARG"
     )]
     pub(crate) enable_zk_nym: Option<bool>,
 
     /// Announced address that is going to be put in the DKG contract where zk-nym clients will connect
     /// to obtain their credentials
     /// default: None - config value will be used instead
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_ANNOUNCE_ADDRESS_ARG")]
     pub(crate) announce_address: Option<url::Url>,
 
     /// Set this nym api to work in a enabled credentials that would attempt to use gateway with the bandwidth credential requirement
     /// default: None - config value will be used instead
-    #[clap(long)]
+    #[clap(long, env = "NYMAPI_MONITOR_CREDENTIALS_MODE_ARG")]
     pub(crate) monitor_credentials_mode: Option<bool>,
 }