Interesting, can you describe exactly the scenario? including the service template and the operation you are trying to run
On Mon, Jul 31, 2017 at 6:12 PM, D Jayachandran <d.jayachand...@ericsson.com > wrote: > Hi, > > I got the below error when I tried assigning values as like a dict. It > seems to fail when it tries to remove the existing value and triggering a > change event. > > ObjectDereferencedError: Can't emit change event for attribute > 'Node.attributes' - parent object of type <Node> has been garbage collected > > > Regards, > DJ > > -----Original Message----- > From: Maxim Orlov [mailto:ma...@cloudify.co] > Sent: Monday, July 31, 2017 6:08 PM > To: dev@ariatosca.incubator.apache.org > Subject: Re: Inputs and Node object context for python and shell scripts > > From within any operation or workflow you don't need to use the ".value" > notation. In order to access the attribute use > ctx.node.attributes['test'], and in order to assign the attribute just use > ctx.node.attributes['test'] = "abc". Using this (hopefully simplified) > notation does all the model related operations for you. > > On Mon, Jul 31, 2017, 15:02 D Jayachandran <d.jayachand...@ericsson.com> > wrote: > > > Hi Max, > > > > Adding to this , I can access the attributes in my plugin only as > > below. ( I have defined the attribute test in my node type ) > > > > ctx.node.attributes['test'].value > > > > And to update the value > > > > ctx.node.attributes['test'].value = "abc" > > > > But this does not update the db. Am I missing something here in-terms > > of the context usage ? > > > > > > Regards, > > DJ > > -----Original Message----- > > From: Maxim Orlov [mailto:ma...@cloudify.co] > > Sent: Sunday, July 30, 2017 7:37 PM > > To: dev@ariatosca.incubator.apache.org > > Subject: Re: Inputs and Node object context for python and shell > > scripts > > > > Sorry it took me so long to check it out, things have been kind of > hectic. > > Anyway, there is a JIRA issue opened just for that: > > https://issues.apache.org/jira/browse/ARIA-263. > > > > On Tue, Jul 25, 2017 at 9:23 PM, Maxim Orlov <ma...@cloudify.co> wrote: > > > > > Not entirely sure about that actually, let me double check that. > > > > > > On Tue, Jul 25, 2017 at 7:37 PM, Tal Liron <t...@cloudify.co> wrote: > > > > > >> It should be impossible in TOSCA to create an attribute that was > > >> not declared at the type. Are we allowing users to create any ad > > >> hoc attribute? > > >> > > >> On Tue, Jul 25, 2017 at 7:33 AM, Maxim Orlov <ma...@cloudify.co> > wrote: > > >> > > >> > Indeed runtime_properties became attributes in ARIA . As for the > > >> behavior, > > >> > attributes behave just as a dict would (behind the scenes > > >> > attributes translate to a proper Attribute TOSCA model). > > >> > No need to define the attributes on the node-type level, if an > > >> > attribute with that name exists in on the model, the value of > > >> > that attribute > > >> would be > > >> > overridden, if you are creating a whole new attribute, a proper > > >> Attribute > > >> > model would be created for you. > > >> > > > >> > as for: > > >> > > > >> > ctx.node.attributes['map']['key'] = 'value' > > >> > > > >> > “map” is a name of an attribute which holds a dict, “key” is a > > >> > key in > > >> that > > >> > dict. > > >> > > > >> > > > >> > On Tue, Jul 25, 2017 at 3:07 PM, D Jayachandran < > > >> > d.jayachand...@ericsson.com > > >> > > wrote: > > >> > > > >> > > Hi Max, > > >> > > > > >> > > I see the runtime_properties have been replaced with "attributes" > > >> > > and there has been multiple changes with respect to attribute > > handling. > > >> > > > > >> > > What do you refer by "map" in your below example, Is that a > > >> > > keyword > > ? > > >> > > "ctx.node.attributes['map']['key'] = value" > > >> > > > > >> > > Also with runtime_properties plugins were able to update the > > >> > > database > > >> > with > > >> > > new key=value. Can we achieve the same with attributes ? > > >> > > Do we need to define the attributes in the node-types to be > > >> > > able to > > >> > update > > >> > > them by the plugins ? > > >> > > > > >> > > Regards, > > >> > > DJ > > >> > > > > >> > > -----Original Message----- > > >> > > From: D Jayachandran [mailto:d.jayachand...@ericsson.com] > > >> > > Sent: Tuesday, July 25, 2017 11:23 AM > > >> > > To: dev@ariatosca.incubator.apache.org > > >> > > Subject: RE: Inputs and Node object context for python and > > >> > > shell > > >> scripts > > >> > > > > >> > > Hi Max, > > >> > > > > >> > > Yes I can access the context ctx with a python plugin and shell > > >> script as > > >> > > you have mentioned. > > >> > > But with python script .py files under implementation, am not > > >> > > sure if > > >> the > > >> > > ctx and inputs are passed as "globals". I will re-confirm this. > > >> > > The inputs which I was referring here were the lifecycle > > >> > > operation > > >> > inputs. > > >> > > > > >> > > > > >> > > Regards, > > >> > > DJ > > >> > > > > >> > > -----Original Message----- > > >> > > From: Maxim Orlov [mailto:ma...@gigaspaces.com] > > >> > > Sent: Tuesday, July 25, 2017 12:14 AM > > >> > > To: dev@ariatosca.incubator.apache.org > > >> > > Subject: Re: Inputs and Node object context for python and > > >> > > shell > > >> scripts > > >> > > > > >> > > I'm not entirely sure to which inputs you are referring to, but > > >> > > any > > >> ctx > > >> > > attribute or method accessible from a python script is > > >> > > accessible form > > >> > any > > >> > > shell script. For example: > > >> > > > > >> > > - "ctx.node.attributes['map']['key']" (in python) is "ctx node > > >> > > attributes map.key" (under bash) > > >> > > - "ctx.node.attributes['map']['key'] = value" (in python) is > > >> > > "ctx > > >> > node > > >> > > attributes map.key value" (under bash) > > >> > > - "ctx.logger.info('some message')" (in python) is "ctx > > >> > > logger > > >> info > > >> > > 'some message'" (under bash) > > >> > > > > >> > > > > >> > > On Mon, Jul 24, 2017 at 8:47 PM, Tal Liron <t...@gigaspaces.com> > > >> wrote: > > >> > > > > >> > > > I'm pretty sure you can access the inputs via the ctx call. > > >> > > > Can > > >> anyone > > >> > > > confirm how to do this? > > >> > > > > > >> > > > We really need to document ctx usage... > > >> > > > > > >> > > > On Mon, Jul 24, 2017 at 5:57 AM, D Jayachandran < > > >> > > > d.jayachand...@ericsson.com > > >> > > > > wrote: > > >> > > > > > >> > > > > Hi, > > >> > > > > > > >> > > > > With current ARIA implementation, the python and shell > > >> > > > > scripts are being executed by the "execution plugin". > > >> > > > > > > >> > > > > The context object and inputs are not passed to passed to > > >> > > > > python > > >> > > scripts. > > >> > > > > We would like this to be passed to the python scripts. > > >> > > > > For shell scripts atleast the inputs needs to be passed. > > >> > > > > The > > >> context > > >> > > > > object can be accessed via client.py with the SOCKET URL. > > >> > > > > Kindly let us know if this can be added as a JIRA issue ? > > >> > > > > > > >> > > > > > > >> > > > > Regards, > > >> > > > > DJ > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > > > > > > > >
