no high level end user api for primary operations like application deployment
izapolsk opened this issue · 9 comments
Existing openshift's rest api is low level and doesn't allow to do primary operations like application deployment, status check, etc.
If I'd like to deploy some application from template thru api, I go through the following steps:
- create new project (oc new-project).
Issues: when I create project thru api, I get project w/o role bindings. - create necessary persistent volumes (oc process/create)
Issues: there is no api to process templates, nfs/hostPath pvs cannot create folders - process and deploy template (oc process/oc create/oc new-app)
Issues: no processing templates, code should recognize type of each template object and create it by appropriate api call
So, it would be great to implement some end user api like it can be done using oc command.
Issues: when I create project thru api, I get project w/o role bindings.
We're adding a controller in 3.10. The pull is currently open for review.
Issues: no processing templates, code should recognize type of each template object and create it by appropriate api call
See /apis/template.openshift.io/v1/processedtemplates which accepts a template and processes it for you. It returns a list, which can then be generically handled if you want to create generic objects.
Are you actually asking for a way to issue a generic "create this" without indicating which API endpoint to use?
nfs/hostPath pvs cannot create folders
I don't understand what this is asking for.
See /apis/template.openshift.io/v1/processedtemplates which accepts a template and processes it for you. It returns a list, which can then be generically handled if you want to create generic objects.
I didn't manage to figure out how I can pass parameters to template before processing it by processedtemplates.
Are you actually asking for a way to issue a generic "create this" without indicating which API endpoint to use?
honestly, I'm rather asking for some api which would allow me to easily deploy app from template similar to oc new-app or oc process + oc create.
I don't understand what this is asking for.
This issue is rather related to persistent volumes than api. I mentioned it here just because I bump into it only when I use api. openshift/origin#18817
See /apis/template.openshift.io/v1/processedtemplates which accepts a template and processes it for you. It returns a list, which can then be generically handled if you want to create generic objects.
I didn't manage to figure out how I can pass parameters to template before processing it by processedtemplates.
You set the values inside of the template object before you submit it.
You set the values inside of the template object before you submit it.
sure, I had to add a procedure which would process template and replace default parameter values with my values. However, I woudn't say this is convenient. especially for parameters with 'generate' function.
That's the reason why I ask for high level api where I don't need to process templates by my own scripts or check its object type in order to figure out which api call I should use.
Can some documentation be added for how to use /processedtemplates endpoint? Current docs are not useful, /templates and /processedtemplates endpoints as described as pretty much the same, with POST to /processedtemplates described as "Create a template". But it doesn't really create anything, just returns result of substitutions, right?
The docs also seem to have some mixup about kind.
See openshift/origin#21668 with details.
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