<div dir="ltr">Personally for command line stuff, I like the juju cheatsheet on github. It would be good to have something similar for tips and tricks then its relatively relaxed and easy to get new submissions in from outside.</div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">--------------<div><br></div><div><div style="font-size:small"><font color="#999999">Director Meteorite.bi - Saiku Analytics Founder</font></div><div style="font-size:small"><font color="#999999">Tel: +44(0)5603641316 </font></div><div style="font-size:small"><font color="#999999"><br></font></div><div style="font-size:small"><font color="#999999">(Thanks to the Saiku community we reached our <a href="http://kickstarter.com/projects/2117053714/saiku-reporting-interactive-report-designer/" target="_blank">Kickstart</a> goal, but you can always help by <a href="http://www.meteorite.bi/products/saiku/sponsorship" target="_blank">sponsoring the project</a>)</font></div></div></div></div></div></div></div> <br><div class="gmail_quote">On 2 March 2016 at 17:56, Charles Butler <span dir="ltr"><<a href="mailto:charles.butler@canonical.com" target="_blank">charles.butler@canonical.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Nice, I like this. +1 Marco<div><br></div><div>If we have a "tips and tricks" page or charmer snippets, this should live there.</div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div><br></div><div>Charles Butler <<a href="mailto:charles.butler@canonical.com" target="_blank">charles.butler@canonical.com</a>> - Juju Charmer</div><div><span style="font-size:small">Come see the future of modeling your datacenter: </span><a href="http://jujucharms.com/" style="color:rgb(17,85,204);font-size:small" target="_blank">http://jujucharms.com</a><br></div></div></div></div></div></div></div><div><div class="h5"> <br><div class="gmail_quote">On Wed, Mar 2, 2016 at 6:45 AM, Marco Ceppi <span dir="ltr"><<a href="mailto:marco.ceppi@canonical.com" target="_blank">marco.ceppi@canonical.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">To answer your question anyways, you can do this with the peers relation:<div><br></div><div>``` metadata.yaml</div><div>peers:</div><div> cluster:</div><div> interface: my-service-cluster</div><div>```</div><div><br></div><div>So, at anytime, in any hook you can do the following:</div><div><br></div><div>``` bash</div><div>rid=$(relation-ids cluster)</div><div>for unit in $(relation-list -r $rid); do</div><div> echo "It's a peer and confidant $unit"</div><div>done</div><div>```</div><div><br></div><div>However, since Juju gives unique numbers for each unit, you could use a units number to enumerate a port. You wouldn't need the peer relationship for this directly. As an example</div><div><br></div><div>``` bash</div><div>port_start=4000</div><div>port=$(expr $port_start + ${JUJU_UNIT_NAME##*/})</div><div>```</div><div><br></div><div>So if it's unit/0 you'll get 4000, if it's unit/10 you'll get 4010, etc. Since unit numbers are unique in Juju you'll never get a conflict.</div><div><br></div><div>Marco Ceppi</div></div><br><div class="gmail_quote"><div><div><div dir="ltr">On Wed, Mar 2, 2016 at 6:29 AM Tom Barber <<a href="mailto:tom@analytical-labs.com" target="_blank">tom@analytical-labs.com</a>> wrote:<br></div></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">Scrap that, I have an alternative solution!</div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr">--------------<div><br></div><div><div style="font-size:small"><font color="#999999">Director Meteorite.bi - Saiku Analytics Founder</font></div><div style="font-size:small"><font color="#999999">Tel: <a href="tel:%2B44%280%295603641316" value="+445603641316" target="_blank">+44(0)5603641316</a> </font></div><div style="font-size:small"><font color="#999999"><br></font></div><div style="font-size:small"><font color="#999999">(Thanks to the Saiku community we reached our <a href="http://kickstarter.com/projects/2117053714/saiku-reporting-interactive-report-designer/" target="_blank">Kickstart</a> goal, but you can always help by <a href="http://www.meteorite.bi/products/saiku/sponsorship" target="_blank">sponsoring the project</a>)</font></div></div></div></div></div></div></div></div><div class="gmail_extra"> <br><div class="gmail_quote">On 2 March 2016 at 11:22, Tom Barber <span dir="ltr"><<a href="mailto:tom@analytical-labs.com" target="_blank">tom@analytical-labs.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Morning <div><br></div><div>I need to open an extra port for each unit in my charm, can I ask juju for a count of running units in a service?</div><div><br></div><div>Thanks</div><span><font color="#888888"><div><br></div><div>Tom</div></font></span></div> </blockquote></div><br></div></div></div><span><font color="#888888"> --<br> Juju mailing list<br> <a href="mailto:Juju@lists.ubuntu.com" target="_blank">Juju@lists.ubuntu.com</a><br> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/juju" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/juju</a><br> </font></span></blockquote></div> <br>--<br> Juju mailing list<br> <a href="mailto:Juju@lists.ubuntu.com" target="_blank">Juju@lists.ubuntu.com</a><br> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/juju" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/juju</a><br> <br></blockquote></div><br></div></div></div> </blockquote></div><br></div>