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[Spot] Better spot logs #1412

Merged
merged 19 commits into from
Nov 30, 2022
Merged

[Spot] Better spot logs #1412

merged 19 commits into from
Nov 30, 2022

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Michaelvll
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This is to simplify the spot logs when waiting for the logs to be ready.

Tested:

  • sky spot launch --num-nodes=2 'sleep 10000'
    Current:

image

image

@Michaelvll Michaelvll marked this pull request as ready for review November 13, 2022 23:58
concretevitamin
concretevitamin reviewed Nov 19, 2022
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Thanks @Michaelvll - this helps the UX a bunch. Some questions.

(For the future: if more people start using spot_launch() , we may want to use the original logging?)

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sky/spot/spot_utils.py Outdated
time.sleep(1)
status_msg = ('[bold cyan]Waiting for controller, controller status: {}.[/]'
'It may take a few minutes.')
status_display = rich.status.Status('[bold cyan]Waiting for logs...[/]')
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Q: I can't seem to trigger this log with sky spot launch sleep 10000.

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It is the general initial status to avoid empty logging and will be soon updated later. I changed it to Waiting for controller process to be RUNNING, so it is consistent with the first logging afterwards.

sky/spot/spot_utils.py Outdated
Comment on lines 217 to 218
status_display.update(
'[bold cyan]Waiting for the spot job to be started[/]')
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Q: I can't seem to trigger this log with sky spot launch sleep 10000.

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That depends on when we run the sky spot logs. If we run the sky spot logs 2 before the sky spot launch sleep 1000, this logs will appear. : )

sky/spot/spot_utils.py Outdated
logger.debug(
f'INFO: (Log streaming) Got return code {returncode}. '
f'Retrying in {JOB_STATUS_CHECK_GAP_SECONDS} seconds.')
status_display.update('[bold cyan]Waiting for the spot job[/]')
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Q: I can't seem to trigger this log with sky spot launch sleep 10000.

Add "to start"?

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This only happens when the cluster is preempted, i.e. the tail_logs returns nonzero.

@concretevitamin
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Screen Shot 2022-11-18 at 18 16 42

I now see the ⠋ Waiting for the spot jobI 11-19... line, which got printed during the log streaming of a sleep 1000 job and after a sky spot cancel -a was issued.

The line joining can be fixed, but maybe we shouldn't show "Waiting for the spot job" in this case at all?

@Michaelvll
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Thank you for the observations @concretevitamin! I have addressed the comments, but I will tag this PR blocked until #1433 is merged, since that may change the logging logic.

@Michaelvll Michaelvll added the blocked PR blocked by other issues label Nov 19, 2022
@Michaelvll Michaelvll removed the blocked PR blocked by other issues label Nov 22, 2022
concretevitamin
concretevitamin approved these changes Nov 27, 2022
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LGTM, thanks @Michaelvll.

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@concretevitamin
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One minor thing:

» sky spot launch sleep 10000
...
I 11-27 03:16:03 log_lib.py:388] Start streaming logs for spot job 4.
INFO: Tip: use Ctrl-C to exit log streaming (task will not be killed).
INFO: Waiting for task resources on 1 node. This will block if the cluster is full.
INFO: All task resources reserved.
INFO: Reserved IPs: ['172.31.39.162']

Once the cluster is manually terminated on the console (simulating a preemption), the following lines immediately appear:

Shared connection to 3.134.104.105 closed.
⠦ Waiting for the job to start. It may take minutes.

Then the last line with the spinning cursor will disappear. It hangs for a few seconds, before showing:

ssh: connect to host 3.134.104.105 port 22: Connection timed out
⠹ Waiting for the job to start. It may take minutes.

the last line will somewhat quickly transition to

⠼ Waiting for the job to start (status: RECOVERING). It may take minutes.

The second snippet feels like new behavior? It's a bit weird to show it without either quickly transitioning to RECOVERING or showing "it may be preempted". Subjective, up to you.

@Michaelvll
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Thank you for the review @concretevitamin! I could not reproduce the issue you mentioned, but likely, it is because the time we wait for the spot status update is not long enough. I increased it to 2.1 * JOB_STATUS_CHECK_GAP_SECONDS, could you test it again to see if the problem mentioned above still happens?

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I can still reproduce that snippet. Maybe we should debug live offline?

@Michaelvll
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Updated the message to the following when preempted. PTAL : )
image

concretevitamin
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sky/spot/spot_utils.py Outdated
_JOB_WAITING_STATUS_MESSAGE.format(status_str=''))
logger.info(
f'{colorama.Fore.YELLOW}The job is preempted or cancelled. '
'Waiting for its status to be updated.'
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Maybe we can leave this part out? It's in the spinner line.

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Good point! Removed it.

sky/spot/spot_utils.py Outdated
status_display.update(
_JOB_WAITING_STATUS_MESSAGE.format(status_str=''))
logger.info(
f'{colorama.Fore.YELLOW}The job is preempted or cancelled. '
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I tried canceling a sleep 1000 job and didn't see this message being printed. Saw it when manually terminating the spot VM.

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Ahh, good point. Since we recently changed the behavior of sky spot cancel, this will only happen for preemption.

concretevitamin
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LGTM, thanks @Michaelvll!

@Michaelvll Michaelvll merged commit e483f28 into master Nov 30, 2022
@Michaelvll Michaelvll deleted the better-spot-logs branch November 30, 2022 07:10
concretevitamin pushed a commit that referenced this pull request Dec 1, 2022
@Michaelvll @concretevitamin
[Spot] Better spot logs (#1412)
be21cc1 
* Add cluster status check even job is RUNNING for multi-node

* Disable autoscaler logs and fix finished when partially preempted

* format

* Add test

* Better spot logging

* Add logs

* format

* address comments

* address comments part 2

* Finish the logging early

* format

* better logging

* Address comments

* Fix message

* Address comments
sumanthgenz pushed a commit to sumanthgenz/skypilot that referenced this pull request Jan 15, 2023
@Michaelvll
[Spot] Better spot logs (skypilot-org#1412)
78ed58c 
* Add cluster status check even job is RUNNING for multi-node

* Disable autoscaler logs and fix finished when partially preempted

* format

* Add test

* Better spot logging

* Add logs

* format

* address comments

* address comments part 2

* Finish the logging early

* format

* better logging

* Address comments

* Fix message

* Address comments
Michaelvll added a commit that referenced this pull request Jan 18, 2023
@sumanthgenz @Michaelvll
@concretevitamin @infwinston @romilbhardwaj @michaelzhiluo @iojw @ewzeng @WoosukKwon @dongreenberg
[Cost tracking] Cost tracking (sky cost-report) for clusters (#1301)
983f5fa 
* add cost tracking for clusters that handles launching, re-starting, getting status, stopping and downing clusters, but no auto-stopping

* address Romil PR comments

* address Zhanghao PR comments

* fix nit

* address more PR comments

* address last wave of PR comments

* sky

* address fixing argument for requested resources and fixing spot tests for CI

* address more PR comments

* make tests resources a list to prevent errors

* fix tests again

* address PR comments, including adding fetchall to fix status one cluster only bug

* fix PR comments

* change progress bar interference on stop/down

* add sky report instead of showing cost on other commands

* address cost report PR comments

* address more PR comments on sky report

* [Core] Port ray 2.0.1 (#1133)

* update ray node provider to 2.0.0

update patches

Adapt to ray functions in 2.0.0

update azure-cli version for faster installation

format

[Onprem] Automatically install sky dependencies (#1116)

* Remove root user, move ray cluster to admin

* Automatically install sky dependencies

* Fix admin alignment

* Fix PR

* Address romil's comments

* F

* Addressed Romil's comments

Add `--retry-until-up`, `--region`, `--zone`, and `--idle-minutes-to-autostop` for interactive nodes (#1207)

* Add --retry-until-up flag for interactive nodes

* Add --region flag for interactive nodes

* Add --idle-minutes-to-autostop flag for interactive nodes

* Add --zone flag for interactive nodes

* Update help messages

* Address nit

Add all region option in catalog fetcher and speed up azure fetcher (#1204)

* Port changes

* format

* add t2a exclusion back

* fix A100 for GCP

* fix aws fetching for p4de.24xlarge

* Fill GPUInfo

* fix

* address part of comments

* address comments

* add test for A100

* patch GpuInfo

* Add generation info

* Add capabilities back to azure and fix aws

* fix azure catalog

* format

* lint

* remove zone from azure

* fix azure

* Add analyze for csv

* update catalog analysis

* format

* backward compatible for azure_catalog

* yapf

* fix GCP catalog

* fix A100-80GB

* format

* increase version number

* only keep useful columns for aws

* remove capabilities from azure

* add az to AWS

Revert "Add `--retry-until-up`, `--region`, `--zone`, and `--idle-minutes-to-autostop` for interactive nodes" (#1220)

Revert "Add `--retry-until-up`, `--region`, `--zone`, and `--idle-minutes-to-autostop` for interactive nodes (#1207)"

This reverts commit f06416d.

[Storage] Add `StorageMode` to __init__ (#1223)

* Add storage mode to __init__

* fix

[Example] Minimal containerized app example (#1212)

* Container example

* parenthesis

* Add explicit StorageMode

* lint

Fix Mac Version in Setup.py (#1224)

Fix mac

Reduce iops for aws instances (#1221)

* set the default iops to be same as console for AWS

* fix

Revert "Reduce iops for aws instances" (#1229)

Revert "Reduce iops for aws instances (#1221)"

This reverts commit 29f1458.

update back compat test

* parent 06afd93
author Zhanghao Wu <zhanghao.wu@outlook.com> 1665364265 -0700
committer Zhanghao Wu <zhanghao.wu@outlook.com> 1665899898 -0700

parent 06afd93
author Zhanghao Wu <zhanghao.wu@outlook.com> 1665364265 -0700
committer Zhanghao Wu <zhanghao.wu@outlook.com> 1665899681 -0700

Support for autodown

Change API to terminate

fix flag

address comment

format

Rename terminate to down

add smoke test

format

fix syntax

use gcp for autodown test

fix smoke test

fix smoke test

address comments

Switch back to terminate

Change back to tear down

Change to tear down

fix comment

* Fix rebase issue

* address comments

* address

* fix setup.py

* upgrade to 2.0.1

* Fix docs for ray version

* Fix example

* fix backward compatibility test

* Fix onprem job submission

* add steps for backward compat test

* docs: Remove version from docs html titles. (#1303)

Remove version from docs html titles.

* Fix unnecessary ssh hanging issue on Ray (#851)

* Fix ray hanging ssh issue

* Fix

* change the order back

* Update node status after first attempt

* Set `--rename-dir-limit` for gcsfuse to allow dir renames (#1296)

Set rename_dir_lim for gcsfuse

* Docs: polish `sky.Task` doc strings. (#1302)

* WIP

* Polish sky.Task doc strings.

* docs: expose Task (a subset of methods); hide Dag.

* Tweak Task method order; in docs display methods by source order.

* CLI docs: tweak order; tweak `spot launch`.

* Address comments.

* Code block formatting.

* [Launch/Backward Compatibility] Fix incorrect Ray YAML issue (#1287)

* Fix incorrect Ray YAML issue

* yapf

* fix

* comments

* [Storage] add `--implicit-dirs` for gcsfuse (#1312)

add --implicit-dirs

* Improving README. (#1308)

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Port landing paras to docs index.rst.

* [UX] Disable python output buffer by default (#1290)

diable python output buffer

* [Storage][Filemounts] Set relative dir root to workdir (#1315)

Set relative dir root to workdir for file_mounts

* Fix Sky Storage Delete more than 256 Items/folders + Bulk Deletion Tests (#1285)

* fix

* Add romil's suggestions

* Add bulk deletion tests

* ok

* Fix

* [Storage] Add lazy unmount flag (#1320)

Add lazy unmount flag

* [Core] Fix skylet checking (#1325)

* Fix skylet checking

* exclude grep

* [UX] remove stacktrace for pipe and ssh info (#1324)

* UX: remove stacktrace for pipe and ssh info

* Add comment

* Avoid ray output in the logs

* format

* revert ssh quiet option

* [Dependency] Fix colorama dependency issue with awscli (#1323)

* Fix colorama dependency issue with awscli

* fix ux for storage delete

* Add roadmap. (#1317)

* Add roadmap.

* Update ROADMAP.md

* Fix SKY_NODE_RANK environment variable (#1291)

* Add flag for retrieving internal node ips

* Ensure SKY_NODE_RANK is 0 for head and stable

* Clearer comment for get_internal_ips

* Handle different num nodes correctly

* Address PR comments

* Address nits

* [Spot] Fix race condition for spot logs (#1329)

* Fix race condition for spot logs

* fix

* fix comment

* address comments

* add comment

* Add TPU Pod to doc (#1318)

* add pod to doc

* Apply suggestions from code review

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* comments

* comments

* update bucket note

* Apply suggestions from code review

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* update

* update

* fix

* fix

* comments

* fix

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* [UX] Add environment variable `SKY_NUM_GPUS_PER_NODE` (#1337)

* add SKY_NUM_GPUS_PER_NODE

* increase multi-node progress timeout

* pin torch version

* add comment

* address comment

* fix smoke test

* address comments

* [Image] Fix blocking by unattended-upgrade (#1347)

* Fix blocking by unattended-upgrade

* adopt to gcp and azure

* [Test/Azure] Fix the torch version in examples for smoke test and change the credential for Azure  (#1330)

* Upgrade images for three clouds

* Fix cuda version

* pin cuda version for torch

* Fix torch version

* fix comments

* Fix azure provider

* fix credential

* revert back to previous azure image

* switch back to cuda 11.3 for pytorch due to azure's image

* fix torch installation

* increase the multi-node timeout

* Update sky/clouds/azure.py

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* revert aws image version

* pin cu113 for huggingface

* Add comment

* format

* Update sky/clouds/aws.py

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* Update sky/clouds/gcp.py

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* revert gcp image

* Fix doc

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* [Docs] Reorganizing docs. (#1316)

* Reorganizing docs.

* V2.

* Reorg + rewording

* Address comments

* Remove 'convenient'

* Update `SKY_NODE_RANK` docs (#1350)

* Add tip for node rank to docs

* Update formatting

* Indent fix.

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* Add `--retry-until-up`, `--region`, `--zone`, and `--idle-minutes-to-autostop` for interactive nodes (v2) (#1297)

* Add --region, --zone, --idle-minutes-to-autostop, and --retry-until-up for
interactive nodes

* Update user_requested_resources

* Add --down for interactive nodes and refactor auto{stop,down} edge case

* Refactor click options

* Revert "Refactor click options"

This reverts commit 10a06a9.

* Fix TPU Pod (#1358)

* fix pod

* yapf

* Minor fix for yapf warnings (#1362)

* [Docs] Clarify Storage mounting details (#1365)

* fix incorrect statements

* fix incorrect statements

* fix incorrect statements

* Fix bugs in GCP A100 prices (#1368)

* Fix GCP A100 price bugs

* yapf

* [Custom Image] Support tag for the images and global regions (#1366)

* Support image tag for AWS

* add gcp image support

* address comments

* fix

* remove pandas warning

* Add example for using ubuntu1804

* add ubuntu 1804 in the test

* Enforce trying us regions first

* format

* address comments

* address comments

* Add docs and rename methods

* Add fetch global regions for GCP

* Add all regions for Azure

* rename and add doc

* remvoe accidently added folder

* fix service_catalog

* remove extra line

* Address comments

* mkdir for catalog path

* increase waiting time in test

* fix test recovery

* format

* [UX/Doc] Add disk size in resource display and a minor fix for the doc (#1371)

Minor fix for docs and ux

* [Onprem] Support for Different Type of GPUs + Small Bugfix (#1356)

* Ok

* Great suggestion from Zhanghao

* fix

* Update tutorial.rst

* Pin `torch` in various examples to avoid cuda version issues. (#1378)

* tutorial.rst: pin `torch` to avoid version issues.

Tested:
- Ran on both AWS and GCP.

* Fixes two more yamls

* [Env] SKYPILOT_JOB_ID for all tasks (#1377)

* Add run id for normal job

* add example for the run id

* fix env_check

* fix env_check

* fix

* address comments

* Rename to SKYPILOT_JOB_ID

* rename the controller's job id to avoid confusion

* rename env variables

* fix

* [Core] Add support for detach setup (#1379)

* Add support for async setup

* Fix logging

* Add test for async setup

* add parens

* fix

* refactor a bit

* Fix status

* fix smoke test

* rename

* fix is_cluster_idle function

* format

* address comments

* fix

* Add setup failed

* Fix failed setup

* Add comment

* Add comments

* format

* fix logs

* format

* address comments

* Minor UX fix: `sky cancel` should not print stacktraces. (#1385)

* Minor UX fix: `sky cancel` should not print stacktraces.

* Wording fix.

* exit 1

* [UX] Disable ssh connection sharing for setup (#1390)

* Disable ssh connection sharing for setup

* format

* remove redundant

* fix type hint

* Docs: multi-node clarifications, and ssh into workers. (#1363)

* Fixes #1338: add docs on logging into workers.

* Fixes #1340 and fixes #1339.

* Address comments

* Reword.

* Hint.

* Fix Logging for `sky launch` on new machine (#1382)

* ok

* ok

* Ok

* ok

* Unify methods

* ok

* fix

* [Image] Support passing AMIs for different regions (#1384)

* image dict in resources

* fix

* fix

* add tests

* add per region example

* address comments

* Fix checking

* fix

* fix smoke test

* [LocalDockerBackend] Update `is_local_cluster` check for docker backend (#1396)

Update is_local_cluster check for LocalDockerBackend

* [Setup] unset CUDA_VISIBLE_DEVICES for detach setup (#1404)

* unset CUDA_VISIBLE_DEVICES

* add env check example

* Add setting CUDA_VISIBLE_DEVICES test

* fix

* Update sky/backends/cloud_vm_ray_backend.py

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* format

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* [Spot] Keep SKYPILOT_JOB_ID the same for the same spot job (#1400)

* fix SKYPILOT_JOB_ID

* Fix test

* fix

* format

* Add SKYPILOT_JOB_ID to sky spot queue

* nit

* don't set job_id_env_var for spot controller task

* address comments

* Revert SKYPILOT_JOB_ID in spot queue

* format

* Change default value of task.envs to dict

* [UX] fix the error for the first time `sky launch` (#1405)

* fix ux

* test

* fix no public cloud

* address comments

* Fix logging

* format

* Remove the error type for CLI

* yellow

* fix

* Fix logging

* [Spot] Fix spot recovery for multi node (#1411)

* Add cluster status check even job is RUNNING for multi-node

* Disable autoscaler logs and fix finished when partially preempted

* format

* Add test

* address comments

* update

* Add time

* [Release] Fix pypi description (#1416)

* Fix pypi description

* fix

* format

* [Bug fix] head_ip extraction from Ray stdout (#1421)

* Fix bug in head_ip extraction from Ray stdout after launching cluster by using regex to exactly match ip.

* Remove unneeded comment.

* Update sky/backends/cloud_vm_ray_backend.py

Co-authored-by: Zhanghao Wu <zhanghao.wu@outlook.com>

* Run yapf and pylint

Co-authored-by: Zhanghao Wu <zhanghao.wu@outlook.com>

* [Global Regions] Add data fetchers into wheel (#1406)

* Add data fetchers into wheel

* yapf

* Fix gcp fetcher

* Add check

* exclude analyze.py

* Link to blog on README and docs. (#1430)

* [Spot] Let cancel interrupt the spot job (#1414)

* Let cancel interrupt the job

* Add test

* Fix test

* Cancel early

* fix test

* fix test

* Fix exceptions

* pass test

* increase waiting time

* address comments

* add job id

* remove 'auto' in ray.init

* Revert "[Spot] Let cancel interrupt the spot job" (#1432)

Revert "[Spot] Let cancel interrupt the spot job (#1414)"

This reverts commit 3bbf4aa.

* [AWS] Avoid key pair permission issue by using cloud-init for authorized keys (#1427)

* Switch to UserData to add public key for AWS

* fix

* Avoid hardcoding username

* Fix backward compatibility test

* address comments

* address comments

* Minor spot logs fix: don't print job id not provided on spot launch. (#1434)

Minor spot logs fix: don't print job id not provided.

* [Catalog] Remove hardcoded A2 pricing URL & Fix a bug in A2 machine zones (#1426)

* Update no 16xA100-40GB zones

* [Catalog] Remove GCP A2 price URL & Fix GCP A100 zone issues

* Add more type annotations

* Minor

* yapf

* Do not add GCP URL prefix

* Minor

* Address comments

* Address comment1

* Minor

* Add comments about the case when a100.empty is True

* Assert not duplicated

* [Spot] Let cancel interrupt the spot job (#1414) (#1433)

* Let cancel interrupt the job

* Add test

* Fix test

* Cancel early

* fix test

* fix test

* Fix exceptions

* pass test

* increase waiting time

* address comments

* add job id

* remove 'auto' in ray.init

* Fix serialization problem

* refactor a bit

* Fix

* Add comments

* format

* pylint

* revert a format change

* Add docstr

* Move ray.init

* replace ray with multiprocess.Process

* Add test for setup cancelation

* Fix logging

* Fix test

* lint

* Use SIGTERM instead

* format

* Change exception type

* revert to KeyboardInterrupt

* remove

* Fix test

* fix test

* fix test

* typo

* [Usage] Robustify the user hash to avoid empty string (#1442)

* Robustify the user hash to avoid empty string

* fix

* Check valid user hash with hexdecimal

* format

* fix

* Add fallback

* Add comment

* lint

* [Storage] Support multiple files in Storage (#1311)

* Set rename_dir_lim for gcsfuse

* Add support for list of sources for Storage

* fix demo yaml

* tests

* lint

* lint

* test

* add validation

* address zhwu comments

* add error on basename conflicts

* use gsutil cp -n instead of gsutil rsync

* lint

* fix name

* parallelize gsutil rsync

* parallelize aws s3 rsync

* lint

* address comments

* refactor

* lint

* address comments

* update schema

* Logging fixes. (#1452)

* Logging fixes.

* yapf

* sys.exit(1)

* [Storage] Fix copy monuts for file with s3 bucket url (#1457)

* test file download with s3

* fix test

* fix storage file mounts

* format

* remove mkdir for `make_sync_dir_command`

* Print errors for GCP timeout. (#1454)

* [autostop] Support restarting the autostop timer. (#1458)

* [autostop] Support restarting the autostop timer.

* Logging

* Make each job submission call set_active_time_to_now().

* Fix test and pylint.

* Fix comments.

* Change tests; some fixes

* logging remnant

* remnant

* [Spot] Make sure the cluster status is not None when showing (#1464)

* Make sure the cluster status is not None when showing

* Fix another potential issue with NoneType of handle

* Add assert

* fix

* format

* Address comments

* Address comments

* format

* format

* fix

* fix

* fix spot cancellation

* format

* Add a few small warnings to README and CONTRIBUTING. (#1422)

* Add a couple small warnings to README and CONTRIBUTING.

* Update README.md

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* Hotfix for spot TPU pod recovery (#1470)

* hotfix

* comment

* [Spot] Better spot logs (#1412)

* Add cluster status check even job is RUNNING for multi-node

* Disable autoscaler logs and fix finished when partially preempted

* format

* Add test

* Better spot logging

* Add logs

* format

* address comments

* address comments part 2

* Finish the logging early

* format

* better logging

* Address comments

* Fix message

* Address comments

* Improve UX for logs to include SSH name and rank (#1380)

* Messy WIP

* Fixes two more yamls

* Improve log UX and ensure stableness

* Remove print statement

* Remove task name from logs

* Fix name for single-node tasks

* Update var names and comments for clarity

* Update logic for single and multi-node clusters

* Cache stable cluster IP list in ResourceHandle

* Properly cache and invalidate stable list

* Add back SKYPILOT_NODE_IPS

* Update log file name

* Refactor backend to use cached stable IP list

* Fix spot test

* Fix formatting

* Refactor ResourceHandle

* Fixes for correctness

* Remove unneeded num_nodes arg

* Fix _gang_schedule_ray_up

* Ensure stable IP list is cached

* Formatting fixes

* Refactor updating stable IPs to be part of handle

* Merge max attempts constant

* Fix ordering for setting TPU name

* Fix bugs and clean up code

* Fix backwards compatibility

* Fix bug with old autostopped clusters

* Fix comment

* Fix assertion statement

* Update assertion message

Co-authored-by: Zhanghao Wu <zhanghao.wu@outlook.com>

* Fix linting

* Fix retrieving IPs for TPU vm

* Add optimization for updating IPs

* Linting fix

* Update comment

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>
Co-authored-by: Zhanghao Wu <zhanghao.wu@outlook.com>

* add cost tracking for clusters that handles launching, re-starting, getting status, stopping and downing clusters, but no auto-stopping

* fix some artifacts from rebase error

* handle linting

* make it cost-report

* address PR changes for approval

* last changes

* address last changes

* move around comments for sort

* add cost_report func to init.all list

Co-authored-by: Sumanth <sumanth@MacBook-Pro-5.local>
Co-authored-by: Sumanth <sumanth@MacBook-Pro-5.attlocal.net>
Co-authored-by: Zhanghao Wu <zhanghao.wu@outlook.com>
Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>
Co-authored-by: Wei-Lin Chiang <infwinston@gmail.com>
Co-authored-by: Romil Bhardwaj <romil.bhardwaj@gmail.com>
Co-authored-by: Michael Luo <michael.luo@berkeley.edu>
Co-authored-by: Isaac Ong <isaacong.jw@gmail.com>
Co-authored-by: ewzeng <46831164+ewzeng@users.noreply.github.com>
Co-authored-by: Woosuk Kwon <woosuk.kwon@berkeley.edu>
Co-authored-by: Donny Greenberg <dongreenberg2@gmail.com>
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@concretevitamin concretevitamin concretevitamin approved these changes

@infwinston infwinston Awaiting requested review from infwinston

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@Michaelvll @concretevitamin