feat: CLI easy-slurm command

README.md

@@ -20,6 +20,11 @@ pip install easy-slurm
 
 ## Usage
 
+Easy Slurm provides a CLI / YAML interface, as well as a Python interface.
+
+
+### Python API
+
 To submit a job, simply fill in the various parameters shown in the example below.
 
 ```python
@@ -62,8 +67,18 @@ All job files will be kept in the `job_dir` directory. Provide directory paths t
 
 Full examples can be found [here](./examples), including a [simple example](./examples/simple) to run "training epochs" on a cluster.
 
+
+### CLI / YAML Interface
+
 Jobs can also be fully configured using YAML files. See [`examples/simple_yaml`](./examples/simple_yaml).
 
+<table>
+<tr>
+<td>`job.yaml`</td>
+</tr>
+<tr>
+<td>
+
 ```yaml
 job_dir: "$HOME/jobs/{date}-{job_name}"
 src: ["./src", "./assets"]
@@ -86,6 +101,23 @@ sbatch_options:
 resubmit_limit: 64  # Automatic resubmission limit.
 ```
 
+</td>
+</tr>
+</table>
+
+Then submit the job using:
+
+```bash
+easy-slurm --job=job.yaml
+```
+
+One can override the parameters in the YAML file using command-line arguments. For example:
+
+```bash
+easy-slurm --job=job.yaml --src='["./src", "./assets", "./extra"]'
+```
+
+
 ### Formatting
 
 One useful feature is formatting paths using custom template strings:
@@ -109,6 +141,12 @@ easy_slurm.submit_job(
 
 This helps in automatically creating descriptive, human-readable job names.
 
+For the CLI / YAML interface, the same can be achieved using the `--config` argument:
+
+```bash
+easy-slurm --job=job.yaml --config="config.yaml"
+```
+
 See the [documentation] for more information and examples.
 
   [documentation]: https://yodaembedding.github.io/easy-slurm/

easy_slurm/run/submit.py

@@ -0,0 +1,220 @@
+import argparse
+import json
+from textwrap import dedent
+
+import yaml
+
+from easy_slurm.jobs import submit_job
+
+
+def format_help(help_text: str) -> str:
+    return dedent(help_text).strip()
+
+
+ARGUMENTS = [
+    {
+        "args": ["--job"],
+        "type": str,
+        "help": format_help(
+            """
+            Path to job config file.
+            """
+        ),
+    },
+    {
+        "args": ["--job_dir"],
+        "type": str,
+        "help": format_help(
+            """
+            Path to directory to keep all job files including
+            ``src.tar`` and auto-generated ``job.sh``.
+            """
+        ),
+    },
+    {
+        "args": ["--src"],
+        "type": json.loads,
+        "help": format_help(
+            """
+            Path to directories containing only source code.
+            These will be archived in ``$JOB_DIR/src.tar`` and
+            extracted during job run into ``$SLURM_TMPDIR``.
+            """
+        ),
+    },
+    {
+        "args": ["--on_run"],
+        "type": str,
+        "help": format_help(
+            """
+            Bash code executed in "on_run" stage, but only for new jobs
+            that are running for the first time.
+            Must be a single command only.
+            Optionally, the command may gracefully handle interrupts.
+            """
+        ),
+    },
+    {
+        "args": ["--on_run_resume"],
+        "type": str,
+        "help": format_help(
+            """
+        Bash code executed in "on_run" stage, but only for jobs that
+        are resuming from previous incomplete runs.
+        Must be a single command only.
+        Optionally, the command may gracefully handle interrupts.
+        """
+        ),
+    },
+    {
+        "args": ["--setup"],
+        "type": str,
+        "help": format_help(
+            """
+            Bash code executed in "setup" stage, but only for new jobs
+            that are running for the first time.
+            """
+        ),
+    },
+    {
+        "args": ["--setup_resume"],
+        "type": str,
+        "help": format_help(
+            """
+            Bash code executed in "setup" stage, but only for jobs that
+            are resuming from previous incomplete runs.
+            To reuse the code from ``setup``, simply set this to
+            ``"setup"``, which calls the code inside the ``setup``
+            function.
+            """
+        ),
+    },
+    {
+        "args": ["--teardown"],
+        "type": str,
+        "help": format_help(
+            """
+            Bash code executed in "teardown" stage.
+            """
+        ),
+    },
+    {
+        "args": ["--sbatch_options"],
+        "type": json.loads,
+        "help": format_help(
+            """
+            Dictionary of options to pass to sbatch.
+            """
+        ),
+    },
+    {
+        "args": ["--cleanup_seconds"],
+        "type": int,
+        "help": format_help(
+            """
+            Interrupts a job n seconds before timeout to run cleanup
+            tasks (teardown, auto-schedule new job).
+            Default is 120 seconds.
+            """
+        ),
+    },
+    {
+        "args": ["--submit"],
+        "type": bool,
+        "help": format_help(
+            """
+            Submit created job to scheduler. Set this to ``False`` if
+            you are manually submitting the created ``$JOB_DIR`` later.
+            Default is ``True``.
+            """
+        ),
+    },
+    {
+        "args": ["--interactive"],
+        "type": bool,
+        "help": format_help(
+            """
+            Run as a blocking interactive job. Default is ``False``.
+            """
+        ),
+    },
+    {
+        "args": ["--resubmit_limit"],
+        "type": int,
+        "help": format_help(
+            """
+            Maximum number of times to auto-submit a job for "resume".
+            (Not entirely unlike submitting a resume for a job.)
+            Default is 64 resubmissions.
+            """
+        ),
+    },
+    {
+        "args": ["--config"],
+        "type": str,
+        "help": format_help(
+            """
+            Path to config file for formatting.
+            """
+        ),
+    },
+]
+
+
+JOB_CONFIG_KEYS = [
+    "job_dir",
+    "src",
+    "on_run",
+    "on_run_resume",
+    "setup",
+    "setup_resume",
+    "teardown",
+    "sbatch_options",
+    "cleanup_seconds",
+    "submit",
+    "interactive",
+    "resubmit_limit",
+    "config",
+]
+
+
+def parse_args(argv=None):
+    # Add hyphenated version of options.
+    for argument in ARGUMENTS:
+        h_args = [x.replace("_", "-") for x in argument["args"]]
+        argument["args"].extend(x for x in h_args if x not in argument["args"])
+
+    parser = argparse.ArgumentParser()
+
+    for argument in ARGUMENTS:
+        kwargs = {k: v for k, v in argument.items() if k != "args"}
+        parser.add_argument(*argument["args"], **kwargs)
+
+    args = parser.parse_args(argv)
+
+    return args
+
+
+def main(argv=None):
+    args = parse_args(argv)
+
+    if args.job:
+        with open(args.job) as f:
+            job_config = yaml.safe_load(f)
+
+    if args.config:
+        with open(args.config) as f:
+            job_config["config"] = yaml.safe_load(f)
+
+    job_config = {
+        **{k: v for k, v in vars(args).items() if v is not None},
+        **job_config,
+    }
+
+    job_config = {k: v for k, v in job_config.items() if k in JOB_CONFIG_KEYS}
+
+    submit_job(**job_config)
+
+
+if __name__ == "__main__":
+    main()

examples/simple_yaml/submit_job.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+easy-slurm --job=job.yaml --config=assets/hparams.yaml

pyproject.toml

@@ -12,6 +12,9 @@ repository = "https://github.com/YodaEmbedding/easy-slurm"
 keywords = ["slurm", "sbatch"]
 readme = "README.md"
 
+[tool.poetry.scripts]
+easy-slurm = "easy_slurm.run.submit:main"
+
 [tool.poetry.dependencies]
 python = "^3.7"