of course the port is opened 2016-04-27 15:53 GMT+02:00 Stefano Bianchi <[email protected]>:
> ok now i started hadoop, i have just to wait the pull process end. > mesos assign a port to this task but if i go to the SLAVE_IP:PORT i cannot > see anything. > On which pot hadoop is commonly viewable? > > 2016-04-27 15:13 GMT+02:00 Stefano Bianchi <[email protected]>: > >> Since i already mentioned, anyone of you tried to run hadoop as docker >> container from marathon? >> i tried with this simple json: >> >> { >> >> "id": "hadoop", >> >> "cpus": 1, >> >> "mem": 1000, >> >> "container": { >> >> "type": "DOCKER", >> >> "docker": { >> >> "image": "sequenceiq/hadoop-docker:2.7.1", >> >> "network": "HOST" >> >> } >> >> } >> >> } >> >> the app appears as running but the bar is yellow and on mesos i see >> staged. >> The container is more or less 800 MB probably i need to wait that pull >> operation ends? Maybe the i need to give more ram and also some storage? >> >> 2016-04-27 14:07 GMT+02:00 Stefano Bianchi <[email protected]>: >> >>> Thank you Guillermo Rodriguez >>> I will try your solution as soon as possible since wordpress is not the >>> goal task i wanna run, it was just an example to understand how to launch a >>> docker container, and of course i have chosen the easiest one :P >>> However, i correctly run Jenkins, Jupyter and Owncloud, now i'm trying >>> to do the same with hadoop. >>> Thanks to all guys. >>> >>> 2016-04-27 12:54 GMT+02:00 Guillermo Rodriguez <[email protected]>: >>> >>>> Sorry if it has been answered before. >>>> You need mesos-dns. >>>> Start your mysql service on marathon, then mesos-dns will have an entry >>>> called mysql.marathon.mesos regardless of where the service is started you >>>> can always use that URL to resolve the mysql service. >>>> >>>> Then you start wordpress and specify that your mysql server is >>>> mysql.marathon.mesos. If you need to setup an env variable in the wordpress >>>> definition you use the env section like: >>>> { >>>> "id": "wordpress", >>>> "cpus": 1, >>>> "mem": 512, >>>> "container": { >>>> "type": "DOCKER", >>>> "docker": { >>>> "image": "wordpress", >>>> "network": "HOST" >>>> } >>>> }, >>>> "env": { >>>> "WORDPRESS_DB_HOST": "mysql.marathon.mesos:3306", >>>> } >>>> } >>>> >>>> Marathon also allows to add dependencies on startup so you can request >>>> marathon to start the mysql service before starting the wordpress.service. >>>> Search for the Marathon REST API for more information. >>>> >>>> Luck! >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> ------------------------------ >>>> *From*: "Stefano Bianchi" <[email protected]> >>>> *Sent*: Wednesday, April 27, 2016 2:53 AM >>>> >>>> *To*: [email protected] >>>> *Subject*: Re: Launch docker container from Marathon UI >>>> >>>> Yes i guess i understood, so when i star a socker container like >>>> wordpress this app could have the need to contact another container as >>>> mysql, here project calico should be an efficient way to make this. >>>> Ok i will try, just to understand, first i run the mysql, then mesos >>>> will allocate it on a certain slave, then i need to run wordpress. How can >>>> i specify where is the mysql container in marathon UI? >>>> >>>> 2016-04-26 17:48 GMT+02:00 June Taylor <[email protected]>: >>>> >>>>> Stefano, >>>>> >>>>> You would want to search for an appropriate image on Docker Hub. Here >>>>> is one I have NO experience with: https://hub.docker.com/_/mysql/ >>>>> >>>>> You would then need to learn about how the image is expecting to be >>>>> configured, so you can set it up appropriately. >>>>> >>>>> This is not really a fully thought out solution. I assume you're >>>>> trying to do this for more of a proof-of-concept, though. So it may be >>>>> fine >>>>> for your needs. >>>>> >>>>> >>>>> Thanks, >>>>> June Taylor >>>>> System Administrator, Minnesota Population Center >>>>> University of Minnesota >>>>> >>>>> On Tue, Apr 26, 2016 at 10:43 AM, Stefano Bianchi < >>>>> [email protected]> 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" <[email protected]> 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 >>>>>>> London020 3751 9150 >>>>>>> >>>>>>> ------------------------------ >>>>>>> *From:* Stefano Bianchi [[email protected]] >>>>>>> *Sent:* 26 April 2016 16:23 >>>>>>> *To:* [email protected] >>>>>>> *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" <[email protected]> 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 >>>>>>>> London020 3751 9150 >>>>>>>> >>>>>>>> ------------------------------ >>>>>>>> *From:* June Taylor [[email protected]] >>>>>>>> *Sent:* 26 April 2016 15:22 >>>>>>>> *To:* [email protected] >>>>>>>> *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 < >>>>>>>> [email protected]> 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 <[email protected]>: >>>>>>>>> >>>>>>>>>> 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 >>>>>>>>>> [email protected]? <[email protected]> >>>>>>>>>> >>>>>>>>>> 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 <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> However thank you so much to all! >>>>>>>>>> >>>>>>>>>> 2016-04-26 15:22 GMT+02:00 Stefano Bianchi <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> i found the answer by my self sorry if i disturbed you. >>>>>>>>>> >>>>>>>>>> 2016-04-26 15:19 GMT+02:00 Stefano Bianchi <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> Now that it is running, how can i check the User Interface? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> 2016-04-26 15:18 GMT+02:00 Stefano Bianchi <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> Yes, now it's running!!! June you are awesome!!! >>>>>>>>>> >>>>>>>>>> 2016-04-26 15:16 GMT+02:00 Stefano Bianchi <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> 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 <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> 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: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> 1. >>>>>>>>>> >>>>>>>>>> echo 'docker,mesos' > /etc/mesos-slave/containerizers >>>>>>>>>> >>>>>>>>>> 2. >>>>>>>>>> >>>>>>>>>> $ echo '5mins' > /etc/mesos-slave/executor_registration_timeout >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Could it be the problem? >>>>>>>>>> >>>>>>>>>> 2016-04-26 15:02 GMT+02:00 Stefano Bianchi <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> 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 <[email protected]> >>>>>>>>>> : >>>>>>>>>> >>>>>>>>>> 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 <[email protected]>: >>>>>>>>>> >>>>>>>>>> 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 < >>>>>>>>>> [email protected]> 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 >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>> >> >
