This thread might help. https://www.mail-archive.com/smokeping-users%40lists.oetiker.ch/msg04777.html
-Greg That’s actually exactly what I’m trying to avoid. ;) The keyword is automation. I need to script this so that I can present static, 7 day graphs to people outside my dept – without having to spend time manually taking screenshots of each graph. — Daniel Crandall Savant - DevOps From: Douglas Spindler <[email protected]> Date: Wednesday, March 23, 2016 at 11:09 AM To: Daniel Crandall <[email protected]>, "[email protected]" <[email protected]> Subject: RE: [smokeping-users] Automatically download fresh .png snapshot. Can’t you just take a screenshot? From: smokeping-users [mailto:[email protected]] On Behalf Of Daniel Crandall Sent: Wednesday, March 23, 2016 10:32 AM To: [email protected] Subject: [smokeping-users] Automatically download fresh .png snapshot. Hi, I need to automatically download .png of 7 day snapshots of certain smokeping graphs to send to a group of concerned parties. I’ve tried two techniques without success: 1) Download the png using wget I learned about setting the displaymode=a and adjusting the start and end URL chunks to get a URL like this: https://smokeping.oursite.com/smokeping/smokeping.cgi?displaymode=a;start=now-7day;end=now;target=OurServers.HTTPSLatency.prd This URL gives me a single graph with the snapshot interval I need. But I can’t figure out how to download the actual graph png. It’s weird because if I put the URL in a browser, right click on the graph and save it manually, it saves a file called smokeping.png that is the correct graph. But when I try to do the same using wget like this: `wget -nd -r -l 5 -A png https://smokeping.oursite.com/smokeping/smokeping.cgi?displaymode=a;start=now-7day;end=now;target=OurServers.HTTPSLatency.prd` It downloads smokeping.png – but instead of it being a graph, this version is simply the smokeping logo. It also downloads the RRD logo, but no other png files. 2) Using rrdtool on the rrd files themselves to generate a png of the snapshot I’m looking for on my smokeping server, and then copying it to the web server dir where I can then download it using wget. Unfortunately I haven’t been able to figure out the correct rrd parameters and DEF, CDEF, AREA..etc. settings to actually generate a smokeping graph. If anyone can point me in the right direction with either of the above methods – or share another technique to achieve the same goal, I would be very grateful. Thanks! — Daniel Crandall Savant - DevOps
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