(SDI-2475) Configure the TempDir where the API loads plugins. #1512
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docs/SNAPTELD.md
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| @@ -52,6 +52,7 @@ $ snapteld [global options] command [command options] [arguments...] | |||
| --rest-cert value A path to a certificate to use for HTTPS deployment of Snap's REST API | |||
| --rest-key value A path to a key file to use for HTTPS deployment of Snap's REST API | |||
| --rest-auth Enables Snap's REST API authentication | |||
| --rest-load-path A configurable path from which the API loads plugins | |||
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We should consider exposing this as top level (control) config. It could be called --temp-dir-path. This will line up when we resolve #1502.
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| func WriteFile(filename string, b []byte) (string, error) { | ||
| // Create temporary directory | ||
| dir, err := ioutil.TempDir(control.GetDefaultConfig().TempDirPath, "snap-plugin-") |
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The trailing isn't required. Each time a plugin loads, a tmp file is being generated with a random number. snap-plugin- would be the prefix with which the file is generated. It might as well just be snap-plugin.
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It's a prefix. The method will add a unique identifier.
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Ok so the path for the plugin that's written will be something like:
<TempDirPath>/snap-plugin-<unique identifier>/snap-plugin-<plugin-name>? And the reason for separate directories per plugin is that multiple plugins might have the same binary name?
control/flags.go
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| flTempDirPath = cli.StringFlag{ | ||
| Name: "temp_dir_path", | ||
| Usage: "Temporary path for loading plugins", | ||
| EnvVar: "TEMP_DIR_PATH", |
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Add SNAP_ to the EnvVar value.
docs/SNAPTELD.md
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| @@ -43,6 +43,7 @@ $ snapteld [global options] command [command options] [arguments...] | |||
| --cache-expiration value The time limit for which a metric cache entry is valid (default: 500ms) [$SNAP_CACHE_EXPIRATION] | |||
| --control-listen-port value Listen port for control RPC server (default: 8082) [$SNAP_CONTROL_LISTEN_PORT] | |||
| --control-listen-addr value Listen address for control RPC server [$SNAP_CONTROL_LISTEN_ADDR] | |||
| --temp_dir_path value Temporary path for loading plugins [$TEMP_DIR_PATH] | |||
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Add SNAP_ to $TEMP_DIR_PATH
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LGTM |
Fixes #1494
Summary of changes:
@intelsdi-x/snap-maintainers