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# Styx API specification
This document is written using [api-blueprint]
## Usage
1. install [dredd]: `npm install -g dredd`
1. package project: `mvn package`
1. run tests: `styx-api-service/bin/api-test.sh`
To generate an html version of this spec, use [aglio]
```
aglio -i doc/api.apib -o api.html --theme-template triple --theme-variables streak
```
[api-blueprint]: https://apiblueprint.org/
[dredd]: https://github.com/apiaryio/dredd
[aglio]: https://github.com/danielgtaylor/aglio
## Authentication
Starting from V3, any request except `GET` requires Google Authentication.
HTTP header `Authorization: Bearer <id_token>` with a valid Google ID token is required
in those requests.
To know more details, please check
[Google documentation](https://developers.google.com/identity/sign-in/web/backend-auth).
## Authorization
If authorization is enabled for the Styx service, any workflow with a `service_account`
configured can only be updated by an authorized user of that `service_account`.
Updates include deploying, enabling/disabling and triggering the workflow.
In order to authorize an account, you need to grant it the [configured role](https://github.com/spotify/styx/blob/master/styx-standalone-service/src/main/resources/styx-standalone.conf#L66)
for the workflow `service_account`. For more information, see [Granting Roles to Service Accounts](https://cloud.google.com/iam/docs/granting-roles-to-service-accounts).
# Group Workflows
Resources related to the Workflows registered in Styx.
## Workflows [/{version}/workflows]
### Get Workflows [GET]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ full: `true` (optional, boolean) - Return the state of the workflow
+ Default: false
#### Without `?full`
+ Response 200 (application/json)
[{
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "hours",
"offset": null,
"docker_image": null,
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"resources": []
}
}]
#### With `?full`
+ Response 200 (application/json)
[{
"workflow": {
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "hours",
"offset": null,
"docker_image": null,
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"resources": [],
"running_timeout": "PT2H"
}
},
"state": {
"enabled": "true",
"next_natural_trigger": "2017-01-01T01:00:00Z",
"next_natural_offset_trigger": "2017-01-01T02:00:00Z"
}
}]
## Workflows [/{version}/workflows/{component_id}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
### Get Workflows for component [GET]
+ Response 200 (application/json)
[{
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "hours",
"offset": null,
"docker_image": null,
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"resources": []
}
}]
### Create or update Workflow [POST]
Accepts a Workflow definition as a JSON object. Returns 200 OK if the Workflow was registered
or updated. Note that a non-null value is required for docker_image.
+ Request (application/json)
{
"id": "StyxCanary",
"schedule": "days",
"offset": null,
"docker_image": "styx-canary-dummy:dummy",
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"service_account": null,
"resources": [],
"running_timeout": "PT2H",
"retry_condition": "#tries < 3"
}
+ Response 200 (application/json)
{
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "days",
"offset": null,
"docker_image": "styx-canary-dummy:dummy",
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"service_account": null,
"resources": [],
"running_timeout": "PT2H",
"retry_condition": "#tries < 3"
},
"__from_api": "V3"
}
## Workflow [/{version}/workflows/{component_id}/{workflow_id}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
### Get Workflow [GET]
+ Response 200 (application/json)
{
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "hours",
"offset": null,
"docker_image": null,
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"resources": [],
"running_timeout": "PT2H",
"retry_condition": "#tries < 3"
}
}
### Delete Workflow [DELETE]
Returns 204 No Content if the Workflow was found and deleted, 404 Not Found otherwise.
+ Response 204
+ Response 404
## Workflow with state [/{version}/workflows/{component_id}/{workflow_id}/full]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
### Get Workflow with State [GET]
+ Response 200 (application/json)
{
"workflow": {
"component_id": "styx-canary",
"workflow_id": "StyxCanary",
"component_uri": "file:///etc/styx/schedule.yaml",
"configuration": {
"id": "StyxCanary",
"schedule": "hours",
"offset": null,
"docker_image": null,
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_termination_logging": false,
"env": {"FOO": "bar"},
"resources": [],
"running_timeout": "PT2H"
}
},
"state": {
"enabled": "true",
"next_natural_trigger": "2017-01-01T01:00:00Z",
"next_natural_offset_trigger": "2017-01-01T02:00:00Z"
}
}
## Workflow Instances [/{version}/workflows/{component_id}/{workflow_id}/instances{?offset,limit,tail,start,stop}]
Query can be done in three different styles: `offset+limit`, `start+stop` or `tail+limit`.
By using `offset` and `limit`, the oldest workflow instances is specified by `offset`, and
the max number of workflows instances is specified by `limit`.
By using `start` and `stop`, the oldest workflow instance is specified by `start`, and the latest is
specified by `stop`; `start` is required while `stop` is optional.
When using `tail` and `limit`, the newest (naturally triggered) instances are returned. The maxium number of instances
returned is specified by `limit` but fewer instances may be returned even though more instances exist.
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
+ offset: `2017-01-01` (string) - the offset parameter
+ limit: `10` (number) - max number of instances
+ start: `2017-01-01` (string) - the start parameter
+ stop: `2017-01-03` (string) - the stop parameter (exclusive)
+ tail: `true` (optional, boolean) - Return the newest workflow instances?
### Get Workflow Instances [GET]
+ Response 200 (application/json)
[{
"workflow_instance": {
"workflow": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"parameter": "2016-07-13T08"
},
"triggers": [{
"trigger_id": "UNKNOWN",
"timestamp": "2016-07-13T09:00:23.941Z",
"complete": true,
"executions": [{
"execution_id": "styx-run-qcp3r",
"docker_image": "UNKNOWN",
"commit_sha": "19c1a6",
"runner_id": "production",
"statuses": [
{
"timestamp": "2016-07-13T09:00:45.882Z",
"status": "SUBMITTED"
},
{
"timestamp": "2016-07-13T09:00:49.076Z",
"status": "STARTED"
},
{
"timestamp": "2016-07-13T09:00:49.313Z",
"status": "SUCCESS"
}
]
}]
}]
}]
## Workflow Instance [/{version}/workflows/{component_id}/{workflow_id}/instances/{instance}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
+ instance: `2016-07-13T08` (string) - Worfklow Instance parameter
### Get Workflow Instance [GET]
+ Response 200 (application/json)
{
"workflow_instance": {
"workflow": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"parameter": "2016-07-13T08"
},
"triggers": [{
"trigger_id": "UNKNOWN",
"timestamp": "2016-07-13T09:00:23.941Z",
"complete": true,
"executions": [{
"execution_id": "styx-run-qcp3r",
"docker_image": "UNKNOWN",
"commit_sha": "19c1a6",
"runner_id": "production",
"statuses": [
{
"timestamp": "2016-07-13T09:00:45.882Z",
"status": "SUBMITTED"
},
{
"timestamp": "2016-07-13T09:00:49.076Z",
"status": "STARTED"
},
{
"timestamp": "2016-07-13T09:00:49.313Z",
"status": "SUCCESS"
}
]
}]
}]
}
## Workflow state [/{version}/workflows/{component_id}/{workflow_id}/state]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
### Get Workflow state [GET]
+ Response 200 (application/json)
{
"enabled": "true",
"next_natural_trigger": "2017-01-01T01:00:00Z",
"next_natural_offset_trigger": "2017-01-01T02:00:00Z"
}
### Set Workflow state [PATCH]
+ Request (application/json)
{
"enabled": "false",
"next_natural_trigger": "2017-01-01T01:00:00Z",
"next_natural_offset_trigger": "2017-01-01T02:00:00Z"
}
+ Response 200 (application/json)
{
"enabled": "false",
"next_natural_trigger": "2017-01-01T01:00:00Z",
"next_natural_offset_trigger": "2017-01-01T02:00:00Z"
}
# Group Resources
Resources related to Styx Resources registered in the scheduler. Styx Resources
can be used to limit the maximum concurrent executions for certain Workflows.
## Resources [/{version}/resources]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
### Get Resources [GET]
+ Response 200 (application/json)
{
"resources": [{
"concurrency": 20,
"id": "styx-canary-resource"
}]
}
### Create Resource [POST]
+ Request (application/json)
{
"concurrency": "20",
"id": "styx-canary-resource"
}
+ Response 200 (application/json)
{
"concurrency": 20,
"id": "styx-canary-resource"
}
## Resource [/{version}/resources/{resource}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ resource: `styx-canary-resource` (string) - Resource ID
### Get Resource [GET]
+ Response 200 (application/json)
{
"resources": [{
"concurrency": 20,
"id": "styx-canary-resource"
}]
}
### Delete Resource [DELETE]
+ Response 204
### Modify Resource [PUT]
+ Request (application/json)
{
"concurrency": "30",
"id": "styx-canary-resource"
}
+ Response 200 (application/json)
{
"concurrency": 30,
"id": "styx-canary-resource"
}
# Group Backfills
Resources related to the Backfills in Styx. This group allows to operate on
Backfill entities registered in Styx and check detailed status of each single
Workflow Instance belonging to a Backfill entity.
## Backfills [/{version}/backfills{?component,workflow,status,showAll,allowFuture}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
### Get Backfills [GET]
+ Parameters
+ component: `styx-canary` (optional, string) - Workflow Component to filter with
+ workflow: `StyxCanary` (optional, string) - Workflow ID to filter with
+ status: `true` (optional, boolean) - If to return the status list per backfill
+ Default: false
+ showAll: `true` (optional, boolean) - If to return also halted backfills and backfills whose instances have been all triggered
+ Default: false
+ Response 200 (application/json)
{
"backfills": [{
"backfill": {
"all_triggered": true,
"concurrency": 10,
"end": "2017-01-01T01:00:00Z",
"halted": false,
"id": "backfill-1489054446085-53384",
"next_trigger": "2017-01-01T01:00:00Z",
"schedule": "hours",
"start": "2017-01-01T00:00:00Z",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"created": "2017-01-01T00:00:00Z",
"last_modified": "2019-01-01T00:00:00Z"
},
"statuses": {
"active_states": [{
"initial_timestamp": 1536838486145,
"latest_timestamp": 1536838486185,
"state": "DONE",
"state_data": {
"consecutive_failures": 0,
"execution_description": {
"commit_sha": "f043333085fa87738ac24f04d64fb58ecc845111",
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_image": "styx-canary-dummy:dummy",
"docker_termination_logging": false
},
"execution_id": "styx-run-6b1962c6-23ba-4245-a13b-ec3baa4b2133",
"last_exit": 0,
"messages": [
{
"level": "INFO",
"line": "Exit code: 0"
}
],
"retry_cost": 0.0,
"retry_delay_millis": null,
"tries": 1,
"trigger": {
"@type": "backfill",
"trigger_id": "backfill-1489054446085-53384"
},
"trigger_id": "backfill-1489054446085-53384"
},
"workflow_instance": {
"parameter": "2017-01-01T00",
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
}
}
}]
}
}]
}
### Create Backfill [POST]
+ Parameters
+ allowFuture: `false` (optional, boolean) - allow backfilling future partitions
+ Default: false
+ Request (application/json)
{
"start": "2017-01-01T00:00:00Z",
"end": "2017-01-02T00:00:00Z",
"component": "styx-canary",
"concurrency": "10",
"reverse": true,
"description": "fixed bug and reproduce data",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow": "StyxCanary",
}
+ Response 200 (application/json)
{
"all_triggered": false,
"concurrency": 10,
"end": "2017-02-00T00:00:00Z",
"description": "fixed bug and reproduce data",
"halted": false,
"id": "backfill-1489054446085-52684",
"next_trigger": "2017-01-01T00:00:00Z",
"schedule": "hours",
"start": "2017-01-01T00:00:00Z",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"created": "2017-01-01T00:00:00Z",
"last_modified": "2019-01-01T00:00:00Z",
}
## Backfill [/{version}/backfills/{backfill_id}{?status}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ backfill_id: `backfill-1489054446085-52684` (string) - Backfill ID
### Get Backfill [GET]
+ Parameters
+ status: `true` (optional, boolean) - If to return the status list per backfill
+ Default: true
+ Response 200 (application/json)
{
"backfill": {
"all_triggered": true,
"concurrency": 10,
"description": "fixed bug and reproduce data",
"end": "2017-01-01T01:00:00Z",
"halted": false,
"id": "backfill-1489054446085-53384",
"next_trigger": "2017-01-01T01:00:00Z",
"schedule": "hours",
"start": "2017-01-01T00:00:00Z",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"created": "2017-01-01T00:00:00Z",
"last_modified": "2019-01-01T00:00:00Z",
},
"statuses": {
"active_states": [{
"initial_timestamp": 1536838486145,
"latest_timestamp": 1536838486185,
"state": "DONE",
"state_data": {
"consecutive_failures": 0,
"execution_description": {
"commit_sha": "f043333085fa87738ac24f04d64fb58ecc845111",
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_image": "styx-canary-dummy:dummy",
"docker_termination_logging": false
},
"execution_id": "styx-run-6b1962c6-23ba-4245-a13b-ec3baa4b2133",
"last_exit": 0,
"messages": [
{
"level": "INFO",
"line": "Exit code: 0"
}
],
"retry_cost": 0.0,
"retry_delay_millis": null,
"tries": 1,
"trigger": {
"@type": "backfill",
"trigger_id": "backfill-1489054446085-53384"
},
"trigger_id": "backfill-1489054446085-53384"
},
"workflow_instance": {
"parameter": "2017-01-01T00",
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
}
}
}]
}
}
### Modify Backfill [PUT]
+ Request (application/json)
{
"concurrency": 20,
"description": "fixed bug and reproduce data",
"id": "backfill-1489054446085-52684",
}
+ Response 200 (application/json)
{
"all_triggered": false,
"concurrency": 20,
"end": "2017-02-00T00:00:00Z",
"description": "fixed bug and reproduce data",
"halted": false,
"id": "backfill-1489054446085-52684",
"next_trigger": "2017-01-01T00:00:00Z",
"schedule": "hours",
"start": "2017-01-01T00:00:00Z",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"created": "2017-01-01T00:00:00Z",
"last_modified": "2019-01-01T00:00:00Z",
}
### Delete Backfill [DELETE]
+ Response 200
# Group Status
Resources related to inspect detailed status of Workflow Instances.
## Active States [/{version}/status/activeStates{?component,workflow,components}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component: `styx-canary` (optional, string) - Component ID
+ workflow: `StyxCanary` (optional, string) - Workflow ID - requires Component ID to also be specified
+ components: `styx-canary,styx-canary1,styx-canary3` (optional, string) - Component IDs, IDs should be comma
separated. If provided, two other parameters will be ignored.
### Get Active States [GET]
+ Response 200 (application/json)
{
"active_states": [{
"latest_timestamp": 1536838486185,
"state": "RUNNING",
"state_data": {
"consecutive_failures": 0,
"execution_description": {
"commit_sha": "f043333085fa87738ac24f04d64fb58ecc845111",
"docker_args": [
"luigi",
"--module",
"canary_job",
"CanaryJob"
],
"docker_image": "styx-canary-dummy:dummy",
"docker_termination_logging": false
},
"execution_id": "styx-run-6b1962c6-23ba-4245-a13b-ec3baa4b21d5",
"last_exit": 20,
"messages": [
{
"level": "WARNING",
"line": "Exit code: 20"
}
],
"retry_cost": 0.2,
"retry_delay_millis": 600000,
"tries": 2,
"trigger": {
"@type": "natural"
},
"trigger_id": "natural-trigger"
},
"workflow_instance": {
"parameter": "2017-01-01T01",
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
}
}
}]
}
## Events [/{version}/status/events/{component_id}/{workflow_id}/{instance}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ component_id: `styx-canary` (string) - Workflow Component
+ workflow_id: `StyxCanary` (string) - Workflow ID
+ instance: `2017-01-01T01` (string) - Worfklow Instance parameter
### Get Workflow Instance events [GET]
+ Response 200 (application/json)
{
"events": [{
"event": {
"@type": "triggerExecution",
"trigger": {
"@type": "natural"
},
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01",
"parameters": {"env": {"FOO": "bar"}}
},
"timestamp": 1483228800000
},
{
"event": {
"@type": "dequeue",
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01"
},
"timestamp": 1483228800005
}]
}
# Group Scheduler
Resources related to operations that act on the current state of the scheduler.
## Retry [/{version}/scheduler/retry{?delay}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
### Send Retry [POST]
+ Parameters
+ delay: `0` (optional, long) - The new delay value to set for the workflow instance
+ Default: 0
+ Request (application/json)
{
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01"
}
+ Response 200 (application/json)
{
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01"
}
## Halt [/{version}/scheduler/halt]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
### Send Halt [POST]
+ Request (application/json)
{
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01"
}
+ Response 200 (application/json)
{
"workflow_instance": "styx-canary/StyxCanary/2017-01-01T01"
}
## Trigger [/{version}/scheduler/trigger{?allowFuture}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
+ allowFuture: `false` (optional, boolean) - allow triggering future partition
+ Default: false
### Trigger Workflow Instance [POST]
+ Request (application/json)
{
"parameter": "2017-01-01T01",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
}
}
+ Response 200 (application/json)
{
"parameter": "2017-01-01T01",
"trigger_parameters": {"env": {"FOO": "bar"}},
"workflow_id": {
"component_id": "styx-canary",
"id": "StyxCanary"
},
"trigger_id": "UNKNOWN"
}
# Group Styx Config
Resources related to global configurations for Styx.
## Global Enabled [/{version}/config{?enabled}]
+ Parameters
+ version: `v3` (enum[string]) - API version
+ Members
+ `v3`
### Get Global Enabled [GET]
+ Response 200 (application/json)
{
"enabled": "true"
}
### Set Global Enabled [POST]
+ Parameters
+ enabled: `true` (required, boolean) - Global enabled value
+ Response 200 (application/json)
{
"enabled": "true"
}