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Humble It’s a common use that we want to know the VM Ips and other NIC card details in an ovirt setup. Most of the time if you got to know the VM IPs it’s pretty easy to manage those VMS or pulling some data out of it. Here is an example program that can be …
This program can be used to fetch information about : VMs Clusters Hosts Storage domains Data center.. in an ovirt dc. You will have “component” name, id, state along with other information. The program can be downloaded from github How-ever here it is without proper indentation. let me know your feedback.
Its a common use that, fetching Data center, hypervisors and VMs status in a ovirt Dc periodically.. Instead of connecting to OVirt GUI ( web admin portal) and seeing its status, you can automate this task via a python script. I wrote a program to just fetch the name & its status in a DC …
Recently I got a request to provide a python program to shutdown all the vms in ovirt DC using python-sdk and also to start Vms in the DC. Below program is submitted as a quick solution.. Sharing it here hoping it will help you. To shutdown all the VMs in an Ovirt (www.ovirt.org) Data Center, …
When ‘Dor Laor’ & ‘Avi Kivity’ stepped out of Red Hat, I was thinking, what is next ? 🙂 and it stands now on OSv with this mailing thread.. http://www.mail-archive.com/kvm@vger.kernel.org/msg95768.html It claims “OSv, probably the best OS for cloud workloads! and OSv is designed from the ground up to execute a single application on top …
Ovirt announced its version 3.3 release today with lots of new features and updates.. !! OVirt is a KVM management application for datacenter management. It is the leading open source alternative to VMware vSphere. You can use oVirt to manage hundreds of KVM hypervisor nodes, running thousands of VMs. You can read its release announcement …
Lex program %{ #include<stdio.h> #include<stdlib.h> %} %% [0-9]+ {yylval=atoi(yytext);return (NUM);} “+”|”-“|”*”|”/”|”\n” {return yytext[0];} %% Yacc program %{ #include<stdio.h> #include<ctype.h> int i=0; %} %token NUM %left ‘+”-‘ %left ‘*”/’ %% S:E ‘\n’ {printf(“result =%d”,(int)$$);} ; E:E’+’E {$$=$1+$3;} |E’-‘E {$$=$1-$3;} |E’*’E {$$=$1*$3;} |E’/’E {$$=$1/$3;} |NUM {$$=$1;} ; %% #include “lex.yy.c” main() { yyparse(); } int …
Lex program %{ #include<stdio.h> #include<stdlib.h> %} %% (0|1)+ {yylval=atoi(yytext);return (NUM);} “&”|”|”|”!”|”x”|”\n” {return yytext[0];} %% yacc program %{ #include<stdio.h> #include<ctype.h> int i=0; %} %token NUM %left ‘&”|”x’ %right ‘!’ %% S:E ‘\n’ {printf(“result =%d”,(int)$$);} ; E:E’&’E {$$=$1&$3;} |E’|’E {$$=$1|$3;} |’!’E {$$=!$2;} |E’x’E {$$=($1&(!$3))|((!$1)&$3);} |NUM {$$=$1;} ; %% #include “lex.yy.c” main() { yyparse(); } int yywrap() {} …
I was thinking to write about NPIV long time back and I denied myself till now. Maybe because, it was almost incomplete from libvirt layer. How-ever I can’t do that more, especially after receiving lots of emails on this subject, so here it is: To write about NPIV, I should share some idea about the …
%{ #include ;; %} %% “//”([a-z]|[0-9]|[A-Z]|” “)* {} “/*”([a-z]|[0-9]|[A-Z]|” “\””\n”)+”*/” {} %% main() { yylex(); return 0; } int yywrap() { } Sample output single line comment //testing single line comment test line /*multi*/ test line