Marathon does not know it has to run it. You need to tell Marathon to start mysql container and then tell your wordpress container where is your mysql.
Best regards, Radek Gruchalski ra...@gruchalski.com (mailto:ra...@gruchalski.com) (mailto:ra...@gruchalski.com) de.linkedin.com/in/radgruchalski/ (http://de.linkedin.com/in/radgruchalski/) Confidentiality: This communication is intended for the above-named person and may be confidential and/or legally privileged. If it has come to you in error you must take no action based on it, nor must you copy or show it to anyone; please delete/destroy and inform the sender immediately. On Tuesday, 26 April 2016 at 17:43, Stefano Bianchi wrote: > My problem is this, where can i find the mysql container? I have just said to > marathon to rim a wordpress docker container, without specify mysql one. > Il 26/apr/2016 17:39, "Aaron Carey" <aca...@ilm.com (mailto:aca...@ilm.com)> > ha scritto: > > If you run the wordpress container on a different host to the mysql > > container and use --link on the command line, does that work? > > > > -- > > > > Aaron Carey > > Production Engineer - Cloud Pipeline Industrial Light & Magic London > > 020 3751 9150 > > From: Stefano Bianchi [jazzist...@gmail.com (mailto:jazzist...@gmail.com)] > > Sent: 26 April 2016 16:23 > > To: user@mesos.apache.org (mailto:user@mesos.apache.org) > > Subject: RE: Launch docker container from Marathon UI > > > > Hi Aaron > > Actually both mesos-dns and calico are running even though these containers > > im running are not, yet, using the calico ipaddr specific in json > > description. > > So i guess it is a problem of bridging, i guess simply specify HOST option > > on container field in Marathon UI > > Il 26/apr/2016 16:59, "Aaron Carey" <aca...@ilm.com > > (mailto:aca...@ilm.com)> ha scritto: > > > --link in docker should really be avoided when using marathon/mesos as it > > > implies the containers are on the same host, but this will not always be > > > the case when mesos schedules your containers (also I think it's being > > > deprecated in docker anyway.. not sure though?). > > > > > > This problem looks like one of service discovery within the mesos > > > cluster: how does one service contact the other when it doesn't know > > > which host the other service may have landed on? > > > > > > There are several different solutions for service discovery, you can look > > > into some like Project Calico to offer a network layer to docker or try > > > dns based solutions like Mesos-dns or Consul (along with mesos-consul). I > > > think marathon also has some concept of service discovery built in too if > > > you use something like haproxy. > > > > > > I hope this helps! > > > > > > Aaron > > > > > > -- > > > > > > Aaron Carey > > > Production Engineer - Cloud Pipeline Industrial Light & Magic London > > > 020 3751 9150 > > > From: June Taylor [j...@umn.edu (mailto:j...@umn.edu)] > > > Sent: 26 April 2016 15:22 > > > To: user@mesos.apache.org (mailto:user@mesos.apache.org) > > > Subject: Re: Launch docker container from Marathon UI > > > > > > Stefano, > > > > > > The docker run flag --link is intended to connect the container to > > > another running container. I do not know how this would operate in > > > marathon. Perhaps it would be an application group which starts up the > > > mysql docker image first, then the Wordpress docker image after it. > > > > > > > > > Thanks, > > > June Taylor > > > > > > System Administrator, Minnesota Population Center > > > University of Minnesota > > > > > > > > > > > > > > > > > > > > > > > > > > > On Tue, Apr 26, 2016 at 9:20 AM, Stefano Bianchi <jazzist...@gmail.com > > > (mailto:jazzist...@gmail.com)> wrote: > > > > Thanks Rad Gruchalski, actually i'm trying to make a json file that > > > > "translate" this command in marathon: > > > > > > > > docker run --name some-wordpress --link some-mysql:mysql -d wordpress > > > > > > > > i guess the error is relate to the fact that i'm not specifying --link > > > > some-mysql:mysql > > > > My problem is that i don't know how to do that, i tried to fill > > > > environment variable fields: > > > > > > > > Key = link > > > > Value = some-mysql:mysql > > > > > > > > But in this way the app does not work as well. How can i configure > > > > these env variables? > > > > > > > > 2016-04-26 16:01 GMT+02:00 Rad Gruchalski <ra...@gruchalski.com > > > > (mailto:ra...@gruchalski.com)>: > > > > > It says exactly what the problem is. > > > > > > > > > > Start a marathon task with correct environment variables in env and > > > > > you will be fine. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Best regards, > > > > > Radek Gruchalski > > > > > ra...@gruchalski.com (mailto:ra...@gruchalski.com) > > > > > (mailto:ra...@gruchalski.com) > > > > > de.linkedin.com/in/radgruchalski/ > > > > > (http://de.linkedin.com/in/radgruchalski/) > > > > > > > > > > Confidentiality: > > > > > This communication is intended for the above-named person and may be > > > > > confidential and/or legally privileged. > > > > > If it has come to you in error you must take no action based on it, > > > > > nor must you copy or show it to anyone; please delete/destroy and > > > > > inform the sender immediately. > > > > > > > > > > > > > > > > > > > > On Tuesday, 26 April 2016 at 15:56, Stefano Bianchi wrote: > > > > > > > > > > > jupyter is working fine. > > > > > > i tried to run wordpress and i get this error in stderr of mesos: > > > > > > > > > > > > error: missing WORDPRESS_DB_HOST and MYSQL_PORT_3306_TCP > > > > > > environment variables > > > > > > Did you forget to --link some_mysql_container:mysql or set an > > > > > > external db > > > > > > with -e WORDPRESS_DB_HOST=hostname:port? > > > > > > > > > > > > > > > > > > Some one of you know this issue? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 15:51 GMT+02:00 Stefano Bianchi <jazzist...@gmail.com > > > > > > (mailto:jazzist...@gmail.com)>: > > > > > > > However thank you so much to all! > > > > > > > > > > > > > > 2016-04-26 15:22 GMT+02:00 Stefano Bianchi <jazzist...@gmail.com > > > > > > > (mailto:jazzist...@gmail.com)>: > > > > > > > > i found the answer by my self sorry if i disturbed you. > > > > > > > > > > > > > > > > 2016-04-26 15:19 GMT+02:00 Stefano Bianchi > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > Now that it is running, how can i check the User Interface? > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 15:18 GMT+02:00 Stefano Bianchi > > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > > Yes, now it's running!!! June you are awesome!!! > > > > > > > > > > > > > > > > > > > > 2016-04-26 15:16 GMT+02:00 Stefano Bianchi > > > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > > > i have done these 2 commands, now jupyter is in deploying > > > > > > > > > > > in marathon, staging in mesos. > > > > > > > > > > > Is there some additional configuration needed? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 15:13 GMT+02:00 Stefano Bianchi > > > > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > > > > June i tried to run your json, but the task is waiting, > > > > > > > > > > > > and if starts it failed immediately. > > > > > > > > > > > > > > > > > > > > > > > > I guess because i did not type this commands: > > > > > > > > > > > > > > > > > > > > > > > > echo 'docker,mesos' > /etc/mesos-slave/containerizers > > > > > > > > > > > > $ echo '5mins' > > > > > > > > > > > > > /etc/mesos-slave/executor_registration_timeout > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Could it be the problem? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 15:02 GMT+02:00 Stefano Bianchi > > > > > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > > > > > Thank you June taylor, it is axactly what i was > > > > > > > > > > > > > intending. > > > > > > > > > > > > > if it is not disturbing you, i try jupyter notebook > > > > > > > > > > > > > as well, just to make some tests on how to launch > > > > > > > > > > > > > marathon. > > > > > > > > > > > > > stay tuned :) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 14:58 GMT+02:00 Stefano Bianchi > > > > > > > > > > > > > <jazzist...@gmail.com (mailto:jazzist...@gmail.com)>: > > > > > > > > > > > > > > thanks haosdent. > > > > > > > > > > > > > > actually i have run this kind of apps through rest > > > > > > > > > > > > > > api. > > > > > > > > > > > > > > Now i want learn how to laung docker files. I found > > > > > > > > > > > > > > this exaple: > > > > > > > > > > > > > > > > > > > > > > > > > > > > { "container": { "type": "DOCKER", "docker": { > > > > > > > > > > > > > > "network": "HOST", "image": "group/image" }, > > > > > > > > > > > > > > "volumes": [ { "containerPath": "/etc/a", > > > > > > > > > > > > > > "hostPath": "/var/data/a", "mode": "RO" }, { > > > > > > > > > > > > > > "containerPath": "/etc/b", "hostPath": > > > > > > > > > > > > > > "/var/data/b", "mode": "RW" } ] } } > > > > > > > > > > > > > > > > > > > > > > > > > > > > I am able to link the correspondent field in the > > > > > > > > > > > > > > marathon UI with what is written in this json. > > > > > > > > > > > > > > What i need to understand is, what i should write > > > > > > > > > > > > > > in: > > > > > > > > > > > > > > "image": "group/image" > > > > > > > > > > > > > > i mean, with what i have to replace group and image? > > > > > > > > > > > > > > For instance, if i would run wordpress container on > > > > > > > > > > > > > > docker hub what i should put replacing > > > > > > > > > > > > > > "group/image" ? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-04-26 14:30 GMT+02:00 haosdent > > > > > > > > > > > > > > <haosd...@gmail.com (mailto:haosd...@gmail.com)>: > > > > > > > > > > > > > > > This is marathon REST API document: > > > > > > > > > > > > > > > https://mesosphere.github.io/marathon/docs/rest-api.html#post-v2-apps > > > > > > > > > > > > > > > . Usually we define a task json file and call > > > > > > > > > > > > > > > the rest api. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > For example, create tasks.json which content is > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ``` > > > > > > > > > > > > > > > { > > > > > > > > > > > > > > > "id": "/test-sleep", > > > > > > > > > > > > > > > "cmd": "sleep 200" > > > > > > > > > > > > > > > } > > > > > > > > > > > > > > > ``` > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > And > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ``` > > > > > > > > > > > > > > > curl -X POST -H "Content-type: application/json" > > > > > > > > > > > > > > > http://${YOUR_MARATHON_ADDR}:8080/v2/apps -d > > > > > > > > > > > > > > > @tasks.json > > > > > > > > > > > > > > > ``` > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > You could find more field definitions in their > > > > > > > > > > > > > > > document. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Tue, Apr 26, 2016 at 8:24 PM, Stefano Bianchi > > > > > > > > > > > > > > > <jazzist...@gmail.com > > > > > > > > > > > > > > > (mailto:jazzist...@gmail.com)> wrote: > > > > > > > > > > > > > > > > Hi guys > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > i'm trying to follow the instructions on > > > > > > > > > > > > > > > > mesosphere documentation, but it is a little > > > > > > > > > > > > > > > > bit unlear for me that i am new to this world. > > > > > > > > > > > > > > > > i' would like to launch a wordpress container, > > > > > > > > > > > > > > > > present on docker hub here > > > > > > > > > > > > > > > > https://hub.docker.com/_/wordpress/ , from > > > > > > > > > > > > > > > > marathon UI but i don't understand the > > > > > > > > > > > > > > > > mechanism. > > > > > > > > > > > > > > > > I understood that i don't have to specify a > > > > > > > > > > > > > > > > command in "Command" field, but i don't know > > > > > > > > > > > > > > > > how to fill the dockers fields in marathon UI > > > > > > > > > > > > > > > > to launch wordpress container. > > > > > > > > > > > > > > > > Could you please help me or tell me where i can > > > > > > > > > > > > > > > > find a clearer documentation? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > > > > Best Regards, > > > > > > > > > > > > > > > Haosdent Huang > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
