[curl] OpenBMC Watchdog

List Watchdog Objects
[curl]

curl -b cjar -k https://${bmc_ip}/xyz/openbmc_project/watchdog/list

For example
[curl in Linux]

$ curl -b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/list
{
  "data": [
    "/xyz/openbmc_project/watchdog/host0"
  ],
  "message": "200 OK",
  "status": "ok"
}

Enumerate of Watchdog
[curl]

curl -b cjar -k https://${bmc_ip}/xyz/openbmc_project/watchdog/enumerate

For example
[curl in Linux]

$ curl -b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/enumerate
{
  "data": {
    "/xyz/openbmc_project/watchdog/host0": {
      "Enabled": 1,
      "ExpireAction": "xyz.openbmc_project.State.Watchdog.Action.HardReset",
      "Initialized": 0,
      "Interval": 30000,
      "TimeRemaining": 24583
    }
  },
  "message": "200 OK",
  "status": "ok"
}

Enable or Disable Host Watchdog
[curl]
Enable

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": 1}' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/Enabled

Disable

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": 0}' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/Enabled

For example
[curl in Linux]

$ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": 1}' https://192.168.88.38/xz/openbmc_project/watchdog/host0/attr/Enabled
{
  "data": null,
  "message": "200 OK",
  "status": "ok"
}
$ curl b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/host0
{
  "data": {
    "Enabled": 1,
    "ExpireAction": "xyz.openbmc_project.State.Watchdog.Action.HardReset",
    "Initialized": 0,
    "Interval": 2400000,
    "TimeRemaining": 2398289
  },
  "message": "200 OK",
  "status": "ok"
}

Host Watchdog Expire Action
[curl]
Get Host Watchdog Expire Action

curl -b cjar -k https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/ExpireAction

Set Expire Action to Hard Reset

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "xyz.openbmc_project.State.Watchdog.Action.HardReset" }' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/ExpireAction

Set Expire Action to Power Cycle

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "xyz.openbmc_project.State.Watchdog.Action.PowerCycle" }' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/ExpireAction

Set Expire Action to Power Off

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "xyz.openbmc_project.State.Watchdog.Action.PowerOff" }' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/ExpireAction

For example
[curl in Linux]

$ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "xyz.openbmc_project.Stte.Watchdog.Action.PowerOff" }' https://192.168.88.38/xyz/openbmc_project/watchdog/host0/attr/ExpireAction
{
  "data": null,
  "message": "200 OK",
  "status": "ok"
}
$ curl -b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/host0/attr/ExpireAction
{
  "data": "xyz.openbmc_project.State.Watchdog.Action.PowerOff",
  "message": "200 OK",
  "status": "ok"
}

Host Watchdog Interval
[curl]
Get Interval

curl -b cjar -k https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/Interval

Set Interval

curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "<INTERVAL_ms>"}' https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/Interval

For example
[curl in Linux]

$ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": "3000"}' https://192.168.88.38/xyz/openbmc_project/watchdog/host0/attr/Interval
{
  "data": null,
  "message": "200 OK",
  "status": "ok"
}
$ curl b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/host0/attr/Interval
{
  "data": 3000,
  "message": "200 OK",
  "status": "ok"
}

Check Host Watchdog Time Remaining
[curl]

curl -b cjar -k https://${bmc_ip}/xyz/openbmc_project/watchdog/host0/attr/TimeRemaining

For example
[curl in Linux]

$ curl -b cjar -k https://192.168.88.38/xyz/openbmc_project/watchdog/host0/attr/TimeRemaining
{
  "data": 2377451,
  "message": "200 OK",
  "status": "ok"
}

Reference
[1] "OpenBMC" https://github.com/openbmc/
[2] "OpenBMC REST cheat sheet" https://github.com/openbmc/docs/blob/master/REST-cheatsheet.md
[3] "Host Management with OpenBMC" https://github.com/openbmc/docs/blob/master/host-management.md
[4] "OpenBMC REST API" https://github.com/openbmc/docs/blob/master/rest-api.md

Last Updated: 26-02-2018