Yes, We need to implement patching mode. AFAIK, Dinesh start doing that.
On Thu, Jul 24, 2014 at 8:51 AM, Nirmal Fernando <[email protected]> wrote: > This is how it is already done in most of the carbon servers > (wso2carbon.lck file). But this is not always doable. For an example, you > can't restart Stratos Agent as of now , if you do so, there's a possibility > that Stratos would detect this as a node failure and terminate the instance > and respin. > > But we of course had this idea of applying patches, by moving the > subjected node to a maintenance state before agent restarts. > > > On Thu, Jul 24, 2014 at 8:14 AM, Akila Ravihansa Perera < > [email protected]> wrote: > >> Hi Isuru, >> >> > >> > +1. AFAIK puppet can apply any changes in the master configs >> periodically to >> > the relevant instances. The ideal way would be to apply the patches and >> > restart the server from puppet itself. However, since we use Cartridge >> Agent >> > to start the server, we might have to find a workaround for that. >> >> >> >> We can place a marker file to notify the agent to restart the server. >> For eg. when a patch is copied to a WSO2 ESB cartridge instance, we >> create a marker file in <agent_home>/esb.dorestart. Agent should >> periodically check for the time stamp of last modification for this >> marker file. If it is modified, it should restart the product server. >> >> This is just a suggestion. We need to think the best alternative to do >> this. >> >> >> >> >> Yeah, nice thinking will go for that. >> >> >> >>> >> >>> >> >>> -- >> >>> Akila Ravihansa Perera >> >>> Software Engineer >> >>> WSO2 Inc. >> >>> http://wso2.com >> >>> >> >>> Phone: +94 77 64 154 38 >> >>> Blog: http://ravihansa3000.blogspot.com >> >> >> >> >> >> >> >> >> >> -- >> >> Lakmal Warusawithana >> >> Vice President, Apache Stratos >> >> Director - Cloud Architecture; WSO2 Inc. >> >> Mobile : +94714289692 >> >> Blog : http://lakmalsview.blogspot.com/ >> >> >> > >> > >> > >> > -- >> > Thanks and Regards, >> > >> > Isuru H. >> > +94 716 358 048 >> > >> > >> >> >> >> -- >> Akila Ravihansa Perera >> Software Engineer >> WSO2 Inc. >> http://wso2.com >> >> Phone: +94 77 64 154 38 >> Blog: http://ravihansa3000.blogspot.com >> > > > > -- > > Thanks & regards, > Nirmal > > Senior Software Engineer- Platform Technologies Team, WSO2 Inc. > Mobile: +94715779733 > Blog: http://nirmalfdo.blogspot.com/ > > > -- Lakmal Warusawithana Vice President, Apache Stratos Director - Cloud Architecture; WSO2 Inc. Mobile : +94714289692 Blog : http://lakmalsview.blogspot.com/
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