Add CLI backend

aws-throwaway/Cargo.toml

@@ -8,10 +8,14 @@ description = "An aws-sdk wrapper to spin up temporary resources."
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+use_sdk = ["aws-sdk-ec2", "aws-sdk-iam", "aws-config"]
+default = ["use_sdk"]
+
 [dependencies]
-aws-sdk-ec2 = "1.1.0"
-aws-sdk-iam = "1.1.0"
-aws-config = "1.0.0"
+aws-sdk-ec2 = { version = "1.1.0", optional = true }
+aws-sdk-iam = { version = "1.1.0", optional = true }
+aws-config = { version = "1.0.0", optional = true }
 russh = "0.40.0"
 russh-keys = "0.40.0"
 base64 = "0.21.2"
@@ -21,6 +25,10 @@ anyhow = "1.0.42"
 uuid = { version = "1.0.0", features = ["serde", "v4"] }
 tracing = "0.1.15"
 async-trait = "0.1.30"
+# TODO: avoid pulling in these dependencies when use_sdk is disabled,
+#       will need to introduce a use_cli feature to do so
+serde = { version = "1.0.195", features = ["derive"] }
+serde_json = "1.0.111"
 
 [dev-dependencies]
 tracing-subscriber = { version = "0.3.1", features = ["env-filter", "json"] }