Managing watches via http api

[Erez Tamam]

Hi,

is there a way to add and remove watches from an agent via the http api?

all i saw was you can add watches via the command line.

if watches over api is not enabled, will it be in the future? or is it not planned?

Best regards,

Erez Tamam

[James Phillips]

Hi Erez,

Currently, watches can't be created through an API, only through the agent configuration. We haven't had many requests to add this, so there's currently no plan to implement a new API. Watches are reloadable, so you don't need to completely restart the agent to change them - https://www.consul.io/docs/agent/options.html#reloadable-configuration, but it's not currently as easy as services and checks.

-- James

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[Michael Keselman]

API for managing watches would be a great feature. Lack of such led to a fairly inconvenient workaround for dynamically-created services. Can you plan for it? 

[James Phillips]

Hi Michael,

I went ahead and opened https://github.com/hashicorp/consul/issues/1918 to keep track of the feature, since there's some interest :-)

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[Florian]

Hey Michael,

Could you explain your workaround a little maybe? 

I really need this feature so I'm also looking at a workaround but an already proven one would be very useful!

Best - Florian

[Michael Keselman]

Contemplated implementing HTTP long poll call from applications, but wanted to use simple shell script, not higher level languages. Ended up creating a separate container where multiple command-line "consul watch" commands are running simultaneously. You can either pass watches' info to that container at the start or implement some very basic mechanism to instantiate additional watches during run-time (e.g. HTTP server)  

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