Hi Dag, thank you very much, I didn't know jq! But with your command I get this error:
parse error: Invalid numeric literal at line 1, column 6 I search on Google and I see that it could be a problem of missing double quote in the json array... but it's strange because it's not a file but an API query results... On Mon, Nov 14, 2016 at 11:33 AM, Özhan Rüzgar Karaman < oruzgarkara...@gmail.com> wrote: > Hi Dag; > Jq looks great it really eliminates lots of long lines of codes in my bash > scripts for json parsing. Thanks for sharing this useful tool with us. > > Thanks > Özhan > > On Fri, Nov 11, 2016 at 5:48 PM, Dag Sonstebo <dag.sonst...@shapeblue.com> > wrote: > > > Hi Alessandro, > > > > “Jq” is your friend here. You would start by just listing all the volume > > snapshot ordered by create time – whilst also capturing the snapshot ID: > > > > # cloudmonkey list snapshots volumeid=21f830d8-b182-41dc- > 8a10-48ff0a07f299 > > | jq -r '.snapshot[] | .created + "|" + .id' | sort -r > > 2016-11-11T14:41:59+0000|418075c1-bcfc-4b9f-b2f2-4e11fb3e111c > > 2016-11-11T14:41:29+0000|363129bd-ee9b-4301-b46b-a09291f05b98 > > 2016-11-11T14:39:52+0000|fd51897e-725f-40b0-a07d-7bad6cbd7c89 > > 2016-11-11T14:32:57+0000|7f2a7b7d-789d-4056-b287-9b8f8e113e76 > > > > Now that you have this list all you need to do is parse it, i.e. any id > > entries in line 22 onwards you need to delete, whilst also comparing the > > date stamp with (today – 7days). > > > > Keep in mind your logic though: you should probably retain 21 snapshots > no > > matter what the age is – if your snapshot script fails to take snapshots > – > > and you delete all snapshots older than 7 days you could end up deleting > > all snapshots… (just my twopence worth). > > > > > > Regards, > > Dag Sonstebo > > Cloud Architect > > ShapeBlue > > > > On 11/11/2016, 14:04, "Alessandro Caviglione" <c.alessan...@gmail.com> > > wrote: > > > > Hi guys, > > I've a Cloudmonkey script under cron that create a Volume Snapshot of > > a VPS > > at certain hours. > > I had to create this script because client wants to have more than > one > > Snapshotfor each day, so through GUI this is not possible. > > Now, could someone help me to delete old Snapshot in the scripts? > > I need to retain 21 Snapshots or delete Snap older than 7 days. > > > > Thank you!! > > > > > > > > dag.sonst...@shapeblue.com > > www.shapeblue.com > > 53 Chandos Place, Covent Garden, London WC2N 4HSUK > > @shapeblue > > > > > > > > >
