Merlijn thank you for your reply. It was enlightening about the relations of charms. Only a comment till now, is each bundle a directed acyclic graph (DAG)?
On Tue, Jun 26, 2018 at 7:10 PM Merlijn Sebrechts < merlijn.sebrec...@gmail.com> wrote: > The format is > > - - <application-name1>:<endpoint-name1> > - <application-name2>:<endpoint-name2> > > Where application-name is the name of the _instance_ of the charm (as > defined in the applications section of bundle.yaml) and endpoint-name is > the name of the endpoint (requires/provides from metadata.yaml) that is > used to connect the two nodes. > > Endpoint-name is optional if only one type of relation is possible between > the nodes (a relation is established between a required endpoint of one > node and a provides endpoint of the same interface type of the other node). > The : is not present if the endpoint name is not specified. > > So the relations section is a 2 dimensional list, the first dimension is > an array of all the relations and the second dimension specifies which > endpoints of which nodes that relation connects. > > And finally, the applications section is called "services" in some bundles. > > I think that covers most of the strange quirks, let me know if you have > more questions. > > On Tue, 26 Jun 2018, 05:37 Ilias Tsoumas, <its...@unipi.gr> wrote: > >> Hello Merlijn and all, >> >> I developed a python script which fetching all the bundle.yml. >> Here is the repo: https://github.com/itsoum/BundlesFetcher >> Merlijn special thanks for the help about the API. >> >> Now, there rise a new "problem". As I had mentioned in the first-post >> above I fetch bundles for the relations between nodes(charms). But there >> isn't an obvious annotation technique about how relations are described >> inside each bundle.yaml. >> Check some different examples below >> >> https://github.com/itsoum/BundlesFetcher/blob/master/bundles_yaml/wordpress-site-3.yml >> >> >> https://github.com/itsoum/BundlesFetcher/blob/master/bundles_yaml/web-in-a-box-9.yml >> <https://github.com/itsoum/BundlesFetcher/blob/master/bundles_yaml/wordpress-site-3.yml> >> >> >> https://github.com/itsoum/BundlesFetcher/blob/master/bundles_yaml/hadoop-spark-1.yml >> <https://github.com/itsoum/BundlesFetcher/blob/master/bundles_yaml/wordpress-site-3.yml> >> >> For example in the first: >> relations: >> - - haproxy:reverseproxy >> - wordpress:website >> - - wordpress:cache >> - memcached:cache >> - - wordpress:db >> - mariadb:db >> - - mariadb-slave:slave >> - mariadb:master >> - - nagios:nagios >> - wordpress:juju-info which is the topology of application graph. The >> ':' isn't denotes the edge between two charms? If yes, why - wordpress:db >> and - mariadb:db? >> There us someone who knows the annotation method of relations? Could you >> explain? >> >> BR, >> Ilias >> >> >> >> >> On Tue, Jun 5, 2018 at 2:11 PM Ilias Tsoumas <its...@unipi.gr> wrote: >> >>> Hi Merlijn, >>> >>> First of all thank you for your quick and essential answer! >>> >>> Reply inline >>> >>> Great to hear you're doing cool stuff with Juju! I recently asked a >>>> similar question for a paper I've written for CLOUD 2018 >>>> https://lists.ubuntu.com/archives/juju/2018-January/009845.html. If >>>> you want, I can send it to you in private (it's accepted but not published >>>> yet). >>>> >>> >>> Of course. I would like to read your paper. Also me and a colleague work >>> on performance estimations of app components (=charms). If I have suspected >>> properly your paper is related with performance analysis/profiling thus it >>> will be inspiration for us. >>> >>> Here is the documentation for the charm store api: >>>> https://github.com/juju/charmstore/blob/v5-unstable/docs/API.md >>>> >>> >>> I will check it. >>> >>> Here is an Jupyter notebook I use to get metrics of charm and layer >>>> usage: >>>> https://github.com/IBCNServices/reactive-pattern-results/blob/master/reactive-usage-stats.ipynb. >>>> It should be easy to modify that code to pull info about the bundles. As an >>>> example; this is the URL to get all bundles in the Juju store: >>>> https://api.jujucharms.com/charmstore/v5/list?type=bundle >>> >>> >>> Thank you! I hope to be feasible to pull all bundle.yaml with one >>> query/request. >>> >>> BR, >>> Ilias >>> >>> On Mon, Jun 4, 2018 at 3:22 PM Merlijn Sebrechts < >>> merlijn.sebrec...@gmail.com> wrote: >>> >>>> Hi Ilias >>>> >>>> >>>> Great to hear you're doing cool stuff with Juju! I recently asked a >>>> similar question for a paper I've written for CLOUD 2018 >>>> https://lists.ubuntu.com/archives/juju/2018-January/009845.html. If >>>> you want, I can send it to you in private (it's accepted but not published >>>> yet). >>>> >>>> Here is the documentation for the charm store api: >>>> https://github.com/juju/charmstore/blob/v5-unstable/docs/API.md >>>> >>>> - download the entire zip for a bundle: >>>> https://api.jujucharms.com/charmstore/v5/bundle/<bundle-name>/archive >>>> - download a specific file of a bundle: >>>> >>>> https://api.jujucharms.com/charmstore/v5/bundle/<bundle-name>/archive/bundle.yaml >>>> >>>> Here is an Jupyter notebook I use to get metrics of charm and layer >>>> usage: >>>> https://github.com/IBCNServices/reactive-pattern-results/blob/master/reactive-usage-stats.ipynb. >>>> It should be easy to modify that code to pull info about the bundles. As an >>>> example; this is the URL to get all bundles in the Juju store: >>>> https://api.jujucharms.com/charmstore/v5/list?type=bundle >>>> >>>> Cleaning up the data will be the hard part probably, since there are a >>>> lot of unused/broken bundles in the store. I've used the downloads/month >>>> metric to figure out what charms are actually still used. >>>> >>>> Op ma 4 jun. 2018 om 14:05 schreef Ilias Tsoumas <its...@unipi.gr>: >>>> >>>>> Hello all, >>>>> >>>>> I have designed and I am developing a novel recommender system which >>>>> will provide recommendations at application graph (=bundle) composition >>>>> time. Now I need a real graphs dataset. I think that all juju bundles of >>>>> components is a good real dataset. Are there some how to aggregate all >>>>> these "bundle.yaml" files? Are there some api endpoint? >>>>> This work is funding from the European Union’s Horizon 2020 research >>>>> and innovation program under grant agreement No 761898 project Matilda. >>>>> >>>>> Kind regards, >>>>> Ilias Tsoumas >>>>> -- >>>>> Juju mailing list >>>>> Juju@lists.ubuntu.com >>>>> Modify settings or unsubscribe at: >>>>> https://lists.ubuntu.com/mailman/listinfo/juju >>>>> >>>>
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