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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Does anyone have recent experience getting the Kubernetes/Redis example to work in the Magnum developer Quick-Start guide?:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
<a href="https://github.com/openstack/magnum/blob/master/doc/source/dev/dev-quickstart.rst#exercising-the-services-using-devstack">
https://github.com/openstack/magnum/blob/master/doc/source/dev/dev-quickstart.rst#exercising-the-services-using-devstack</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I can get everything in the Kubernetes/Redis example to work except for the last step. Here’s what the quick-start guide says for this step:<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">“Now log into one of the other container hosts and access a redis slave from there:<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">ssh minion@$(nova list | grep 10.0.0.4 | awk '{print $13}')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">REDIS_ID=$(docker ps | grep redis:v1 | grep k8s_redis | tail -n +2 | awk '{print $1}')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">docker exec -i -t $REDIS_ID redis-cli<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">127.0.0.1:6379> get replication:test<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">"true"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">^D<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">exit<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal">There are four redis instances, one master and three slaves, running across the bay, replicating data between one another.”<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">What I’m seeing is a bit different:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">(1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I have to use ‘<b>sudo docker</b>’ instead of ‘<b>docker</b>’. (No big deal.)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">(2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I see
<b>one master redis</b> instance on one minion and <b>one slave redis</b> instance on a second minion (each has its own associated sentinel container as expected).<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">(3)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The
<b>redis-cli command times out</b> with “Could not connect to Redis at 127.0.0.1:6379: Connection refused”. HOWEVER, if I add a host IP and port for the redis master minion
<b>(“</b></span><b><span style="font-size:10.0pt;font-family:"Courier New";color:black">-h 10.100.84.2 -p 6379</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">”), the
<b>example works</b>.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Here is the failing case, without the host/port arguments:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-0-6fymzzw3wrjx-kube-minion-zjdejo5sffxv ~]$ REDIS_ID=$(sudo docker ps | grep redis:v1 | grep k8s_redis | awk '{print $1}')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-0-6fymzzw3wrjx-kube-minion-zjdejo5sffxv ~]$
<b>sudo docker exec -i -t $REDIS_ID redis-cli</b><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Courier New";color:red">Could not connect to Redis at 127.0.0.1:6379: Connection refused</span></b><span style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">not connected> [minion@k8-4gmqfvntvm-0-6fymzzw3wrjx-kube-minion-zjdejo5sffxv ~]$<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">And here is the working case, using “</span><b><span style="font-size:10.0pt;font-family:"Courier New";color:black">-h 10.100.84.2 -p 6379</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">“:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-0-6fymzzw3wrjx-kube-minion-zjdejo5sffxv ~]$ REDIS_ID=$(sudo docker ps | grep redis:v1 | grep k8s_redis | awk '{print $1}')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-0-6fymzzw3wrjx-kube-minion-zjdejo5sffxv ~]$
<b>sudo docker exec -i -t $REDIS_ID redis-cli -h 10.100.84.2 -p 6379</b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">10.100.84.2:6379> get replication:test<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">"true"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">10.100.84.2:6379><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Note that I determined the ’10.100.84.2’ address for the redis master by running the following on the master minion:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-1-6pnrx2hnxa3d-kube-minion-bh6nynhayhfy ~]$
<b>sudo docker exec -i -t $REDIS_ID ip addr show dev eth0</b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">5: eth0: <BROADCAST,UP,LOWER_UP> mtu 1472 qdisc noqueue state UP
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> link/ether 02:42:0a:64:54:02 brd ff:ff:ff:ff:ff:ff<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> inet
<b>10.100.84.2/24</b> scope global eth0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> valid_lft forever preferred_lft forever<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> inet6 fe80::42:aff:fe64:5402/64 scope link
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> valid_lft forever preferred_lft forever<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black">[minion@k8-4gmqfvntvm-1-6pnrx2hnxa3d-kube-minion-bh6nynhayhfy ~]$<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">So I’m looking for confirmation as to whether or not using the “</span><b><span style="font-size:10.0pt;font-family:"Courier New";color:black">-h 10.100.84.2
-p 6379</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">“ arguments is the right way to test this configuration? Is this a successful test?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Dane<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
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