Sorry for the inconvenience, but some questions need to be clarified:
1)
We (TID) are the owners of FIWARE’s Monitoring GEi (the “i” stands for
“implementation”). We will be pleased to solve any issue regarding this enabler. Please note that our GEi depends on an existing monitoring tool (for example, Nagios) to monitor the resources, including VMs.
2)
Due to several reasons, XIFI (another FI-PPP project related to FIWARE)
decided to bypass Nagios or any other monitoring tool for the VMs, and use the DEM module instead: this is Synelixis responsibility and our current recommendation for the monitoring of VMs.
3)
In either case, we all depend on the underlying cloud infrastructure
(FIWARE Lab) and, particularly, on the OpenStack Metadata Service.
For any issue related to FIWARE Lab Cloud, please refer to
http://help.lab.fi-ware.org/. If, as Panos suggests, the metadata service isn’t available, you should open a ticket in FIWARE Lab Support.
Hope this clarifies a little.
Best regards.
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Pablo Rodríguez Archilla
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FIWARE Initiative
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(+34) 958 53 79 02 / 91 31 29119
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Product Innovation
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pablo.rodriguezarchilla@telefonica.com
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Telefónica I+D
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Edificio I+D Armilla (Parque Tecnológico de la Salud), Granada, Spain
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Il 09/01/2015 12:55, Panos Trakadas ha scritto:
Also, note that metadata service supports two sets of APIs: an OpenStack metadata API and an EC2-compatible
API.
At your disposal for further clarifications.
Da:
Leandro Lombardo [mailto:leandro.lombardo@eng.it]
Inviato: martedì 23 dicembre 2014 12:43
A: 'Panos Trakadas'
Cc: 'FERNANDO LOPEZ AGUILAR'; 'PABLO RODRIGUEZ ARCHILLA'; Massimiliano Nigrelli; 'Pellegrino Dario'; Luigi Briguglio; Pasquale Andriani
Oggetto: R: Σχετ: Monitoring VMs
I have tried to install DEM monitor in one of our VMs (Ubuntu 12.04.02),
apparently the installation is ok but the DEM module does not write on Orion.
@Panos, I have some questions for you.
·
Please, find attached the monitoring.cfg file, is this correct? (The private ip of our Orion VM is 10.0.0.90).
When I have started the vmonitorS service I got the correct message
as written in the “PDEM_ver1.0-1.pdf” guide:
root@finesce-wp4-dev-server:~# $sudo service vmonitorS
start
Starting NG Service Update ...
The log file is created but nothing is written on Orion. (find attached
the monitor.log file)
Passive DEM component is the latest version of DEM.
Download it, either for Ubuntu or CentOS (depending on the OS of the VMs you want to monitor).
Installation procedure is included in the abovementioned folder.
After installation, please modify the configuration file as mentioned in the instructions.
The whole procedure is straightforward, however, if you need assistance please do not hesitate to
contact me.
Related to our discussion regarding issue HELP-1525, let me put my colleagues Panos
and Fernando in the loop. First of all, let me quote an excerpt of our conversation to give them some context:
“[…] I am going to give you details about the scenario where we are working on FINESCE
(which is 2nd phase project, like FITMAN). We have to integrate FIWARE GEs in the architecture of an energy marketplace (which is the output of FINESCE WP4). We have set up a couple of VMs into FI-Lab; there, both all the software developed within FINESCE
Wp4 and our “private” instance of GEs (such as ORION or PROTON) are running. We need to increase the number of GEs we have to integrate as our target KPI is very ambitious.
We thought we could have used Monitoring GE in order to monitor the state of our private
instance of GEs. […]”
In order to monitor instances (VMs), you’ll need the
XIFI’s DEM module installed on them, and an instance of Orion Context Broker that will receive monitoring data. @Panos could help you with DEM, while we (Fernando and myself) could give support regarding Context Broker. Please do NOT pay attention to
DEM’s architecture design as it is outdated: neither Nagios nor Event Broker nor NGSI Adapter are now required.
“[…] would you provide a panel to be used by FI-Lab users? […]”
Yes. Currently, there are two panels available: the
infographic panel and the
status panel. Monitoring data (both current and historical) are processed and stored, and will eventually be accessible for users.
“[…] More, if we would like to monitor the VM where our instance of ORION is running,
for instance, would we need to have an agent installed on it? Would you be in charge for the installation? Where would we eventually look for the monitored behavior? Would we need some special credentials to access the monitoring panel? […]”
The aforementioned DEM module is part of a broader
Federation Monitoring component. If you take a look at its data model, the GE’s deployed at particular VMs are “service” objects. I’m not sure if, in this moment, DEM is collecting information about VM’s services (maybe @Panos could clarify).
Hope this explanation helps.
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(+34) 958 53 79 02 / 91 31 29119
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Av. del Conocimiento, 16 – 18100 Armilla (Granada), Spain
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Massimiliano Nigrelli
Direzione Ricerca e Innovazione - R&D Lab
massimiliano.nigrelli@eng.it
Engineering Ingegneria Informatica S.p.A.
Viale Regione Siciliana, 7275 - 90146 Palermo (Italy)
Phone: +39 091.75.11.847
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Massimiliano Nigrelli
Direzione Ricerca e Innovazione - R&D Lab
massimiliano.nigrelli@eng.it
Engineering Ingegneria Informatica S.p.A.
Viale Regione Siciliana, 7275 - 90146 Palermo (Italy)
Phone: +39 091.75.11.847
============================================================
--
===============================================================
Massimiliano Nigrelli
Direzione Ricerca e Innovazione - R&D Lab
massimiliano.nigrelli@eng.it
Engineering Ingegneria Informatica S.p.A.
Viale Regione Siciliana, 7275 - 90146 Palermo (Italy)
Phone: +39 091.75.11.847
============================================================