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Understand the Swarm vs. Engine response codes

Docker Engine provides a REST API for making calls to the Engine daemon. Docker Swarm allows a caller to make the same calls to a cluster of Engine daemons. While the API calls are the same, the API response status codes do differ. This document explains the differences.

Four methods are included, and they are GET, POST, PUT and DELETE.

The comparison is based on api v1.22, and all Docker Status Codes in api v1.22 are referenced from docker-remote-api-v1.22.

GET

  • Route: /_ping
  • Handler: ping
Swarm Status Code Docker Status Code
200 200
500
  • Route: /events
  • Handler: getEvents
Swarm Status Code Docker Status Code
200 200
400
500
  • Route: /info
  • Handler: getInfo
Swarm Status Code Docker Status Code
200 200
500
  • Route: /version
  • Handler: getVersion
Swarm Status Code Docker Status Code
200 200
500
  • Route: /images/json
  • Handler: getImagesJSON
Swarm Status Code Docker Status Code
200 200
500 500
  • Route: /images/viz
  • Handler: notImplementedHandler
Swarm Status Code Docker Status Code
501 no this api
  • Route: /images/search
  • Handler: proxyRandom
Swarm Status Code Docker Status Code
200 200
500 500
  • Route: /images/get
  • Handler: getImages
Swarm Status Code Docker Status Code
200 200
404
500 500
  • Route: /images/{name:.*}/get
  • Handler: proxyImageGet
Swarm Status Code Docker Status Code
200 200
404
500 500
  • Route: /images/{name:.*}/history
  • Handler: proxyImage
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /images/{name:.*}/json
  • Handler: proxyImage
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/ps
  • Handler: getContainersJSON
Swarm Status Code Docker Status Code
200 no this api
404 no this api
500 no this api
  • Route: /containers/json
  • Handler: getContainersJSON
Swarm Status Code Docker Status Code
200 200
400
404
500 500
  • Route: /containers/{name:.*}/archive
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
400 400
404 404
500 500
  • Route: /containers/{name:.*}/export
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/changes
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/json
  • Handler: getContainerJSON
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/top
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/logs
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
101 101
200 200
404 404
500 500
  • Route: /containers/{name:.*}/stats
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/attach/ws
  • Handler: proxyHijack
Swarm Status Code Docker Status Code
200 200
400 400
404 404
500 500
  • Route: /exec/{execid:.*}/json
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /networks
  • Handler: getNetworks
Swarm Status Code Docker Status Code
200 200
400
500 500
  • Route: /networks/{networkid:.*}
  • Handler: getNetwork
Swarm Status Code Docker Status Code
200 200
404 404
  • Route: /volumes
  • Handler: getVolumes
Swarm Status Code Docker Status Code
200 200
500
  • Route: /volumes/{volumename:.*}
  • Handler: getVolume
Swarm Status Code Docker Status Code
200 200
404 404
500

POST

  • Route: /auth
  • Handler: proxyRandom
Swarm Status Code Docker Status Code
200 200
204 204
500 500
  • Route: /commit
  • Handler: postCommit
Swarm Status Code Docker Status Code
201 201
404 404
500 500
  • Route: /build
  • Handler: postBuild
Swarm Status Code Docker Status Code
200 200
500 500
  • Route: /images/create
  • Handler: postImagesCreate
Swarm Status Code Docker Status Code
200 200
500 500
  • Route: /images/load
  • Handler: postImagesLoad
Swarm Status Code Docker Status Code
200
201
500
  • Route: /images/{name:.*}/push
  • Handler: proxyImagePush
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /images/{name:.*}/tag
  • Handler: postTagImage
Swarm Status Code Docker Status Code
200
201
400
404 404
409
500 500
  • Route: /containers/create
  • Handler: postContainersCreate
Swarm Status Code Docker Status Code
201 201
400
404
406
409
500 500
  • Route: /containers/{name:.*}/kill
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
404 404
500 500
  • Route: /containers/{name:.*}/pause
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
404 404
500 500
  • Route: /containers/{name:.*}/unpause
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
404 404
500 500
  • Route: /containers/{name:.*}/rename
  • Handler: postRenameContainer
Swarm Status Code Docker Status Code
200
204
404 404
409 409
500 500
  • Route: /containers/{name:.*}/restart
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
404 404
500 500
  • Route: /containers/{name:.*}/start
  • Handler: postContainersStart
Swarm Status Code Docker Status Code
204 204
304
404 404
500 500
  • Route: /containers/{name:.*}/stop
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
304 304
404 404
500 500
  • Route: /containers/{name:.*}/update
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
200 200
400 400
404 404
500 500
  • Route: /containers/{name:.*}/wait
  • Handler: proxyContainerAndForceRefresh
Swarm Status Code Docker Status Code
204 204
404 404
500 500
  • Route: /containers/{name:.*}/resize
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/attach
  • Handler: proxyHijack
Swarm Status Code Docker Status Code
101 101
200 200
400 400
404 404
500 500
  • Route: /containers/{name:.*}/copy
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /containers/{name:.*}/exec
  • Handler: postContainersExec
Swarm Status Code Docker Status Code
201 201
404 404
409
500 500
  • Route: /exec/{execid:.*}/start
  • Handler: postExecStart
Swarm Status Code Docker Status Code
200 200
404 404
409 409
500
  • Route: /exec/{execid:.*}/resize
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
201 201
404 404
500
  • Route: /networks/create
  • Handler: postNetworksCreate
Swarm Status Code Docker Status Code
200
201
400
404
500 500
  • Route: /networks/{networkid:.*}/connect
  • Handler: proxyNetworkConnect
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /networks/{networkid:.*}/disconnect
  • Handler: proxyNetworkDisconnect
Swarm Status Code Docker Status Code
200 200
404 404
500 500
  • Route: /volumes/create
  • Handler: postVolumesCreate
Swarm Status Code Docker Status Code
200
201
400
500 500

PUT

  • Route: /containers/{name:.*}/archive"
  • Handler: proxyContainer
Swarm Status Code Docker Status Code
200 200
400 400
403 403
404 404
500 500

DELETE

  • Route: /containers/{name:.*}
  • Handler: deleteContainers
Swarm Status Code Docker Status Code
200
204
400
404 404
500 500
  • Route: /images/{name:.*}
  • Handler: deleteImages
Swarm Status Code Docker Status Code
200 200
404 404
409
500 500
  • Route: /networks/{networkid:.*}
  • Handler: deleteNetworks
Swarm Status Code Docker Status Code
200
204
404 404
500 500
  • Route: /volumes/{name:.*}"
  • Handler: deleteVolumes
Swarm Status Code Docker Status Code
204 204
404 404
409
500 500

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Licensed under the Apache License, Version 2.0.
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https://docs.docker.com/v1.11/swarm/status-code-comparison-to-docker/