update pool-agent/README.md

pool-agent/README.md

@@ -4,35 +4,66 @@ Stadium Agent for pool mode
 
 ## Setup
 
+### configuration file
+
 configuration file format is toml
 
 ```toml
-["https://127.0.0.1:8443"]
-    cert_path = "cert.pem"
-    key_path = "key.pem"
-    [["https://127.0.0.1:8443".resource_types]]
-    name = "nano"
-    cpu = 1
-    memory = "1GB"
-    count = 3
-    [["https://127.0.0.1:8443".resource_types]]
-    name = "micro"
-    cpu = 2
-    memory = "2GB"
-    count = 1
+# sample configuration
+image_alias = "https://example.com/container-image"
+[[resource_types_map]]
+name = "large"
+cpu = 2
+memory = "20GB"
+[[resource_types_map]]
+name = "xlarge"
+cpu = 4
+memory = "40GB"
+[[resource_types_map]]
+name = "2xlarge"
+cpu = 8
+memory = "80GB"
+[[resource_types_map]]
+name = "3xlarge"
+cpu = 12
+memory = "120GB"
+[[resource_types_map]]
+name = "4xlarge"
+cpu = 16
+memory = "160GB"
+[resource_types_counts]
+large = 10
+xlarge = 10
+2xlarge = 10
+3xlarge = 10
+4xlarge = 10
 ```
 
-- `LXD_MULTI_IMAGE_ALIAS`
-  - Image to pool
+### command line options
+
+```bash
+$ pool-agent --help
+Usage:
+  pool-agent [command]
+
+Available Commands:
+  completion  Generate the autocompletion script for the specified shell
+  help        Help about any command
+  run
+
+Flags:
+      --config string    config file path (default "/etc/pool-agent/config.toml")
+  -h, --help             help for pool-agent
+      --metrics string   metrics file path (default "/var/lib/node_exporter/textfile_collector/pool_agent.prom")
+
+Use "pool-agent [command] --help" for more information about a command.
+```
 
 ### Optional values
 
 - `LXD_MULTI_CHECK_INTERVAL`
     - Interval to check instances
     - default: `2s`
-- `LXD_MULTI_CONCURRENT_CREATE_LIMIT`
-    - Limit concurrency for creating instance
-    - default: `3`
 - `LXD_MULTI_WAIT_IDLE_TIME`
     - Duration to wait instance idle after `systemctl is-system-running --wait`
     - default: `5s`