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Be humble. Stay focused.

Jorge Niedbalski niedbalski

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Be humble. Stay focused.
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niedbalski / maas_allocated_ip_addresses.sql
Created July 17, 2017 21:46 — forked from mpontillo/maas_allocated_ip_addresses.sql
List IP addresses allocated in MAAS.
SELECT
sip.ip,
CASE
WHEN sip.alloc_type = 0 THEN 'AUTO'
WHEN sip.alloc_type = 1 THEN 'STICKY'
WHEN sip.alloc_type = 4 THEN 'USER_RESERVED'
WHEN sip.alloc_type = 5 THEN 'DHCP'
WHEN sip.alloc_type = 6 THEN 'DISCOVERED'
ELSE CAST(sip.alloc_type as CHAR)
END "alloc_type",
@niedbalski
niedbalski / gist:d71defd9ffd19cb7f59e0f9e6f5aa349
Created July 5, 2017 17:51
Create ISO libvirt
size=$(stat -Lc%s centos.iso)
virsh vol-create-as default centos $size --format raw
virsh vol-upload --pool default centos centos.iso
@niedbalski
niedbalski / recover-rabbit.sh
Created July 5, 2017 16:04
Recover a rabbitmq cluster after partitioning
Some notes from engineering.
1) Identify the partition
Mnesia('rabbit@juju-machine-30-lxd-11'): ** ERROR ** mnesia_event got {inconsistent_database, running_partitioned_network, 'rabbit@juju-machine-29-lxd-9'}
$ sudo rabbitmqctl cluster_status
2) Pick the most reliable node as the master.
@niedbalski
niedbalski / charm-is-latest.sh
Created June 13, 2017 20:04
Check if the latest published artifact on charmstore matches with current github tip for a given branch
function charmislatest() {
if [ ! ${#@} -ge 2 ]; then
echo -e "Please provide a charm name and a branch" && return;
fi
q=$(curl -s https://api.github.com/repos/openstack/charm-$1/commits/stable/$2 | python -c "import sys, json; q=json.load(sys.stdin); print q['sha']")
head=$(curl -s https://api.jujucharms.com/charmstore/v5/$1/meta/extra-info | python -c "import sys, json; q=json.load(sys.stdin)['vcs-revisions'][-1]; print q['commit'];")
if [ "$head" == "$q" ]; then
echo "OK - $1 (Charmstore: $head == Github($2): $q)"
else
echo "Not OK - Charm is not latest: $q != $head"
@niedbalski
niedbalski / gist:6243147d6360c38ff3c8ef4efa60bda2
Created June 13, 2017 14:33
juju logs
/var/log/juju/*.log {
daily
minsize 5M
maxsize 50M
copytruncate
rotate 7
missingok
compress
delaycompress
}
@niedbalski
niedbalski / gist:e784466438d856beca48992a60e2988d
Created May 31, 2017 23:49
juju check relations
juju run --application rabbitmq-server 'relation-get -r `relation-ids cluster` - rabbitmq-server/1'
juju run --service nova-compute 'relation-get -r `relation-ids amqp` - rabbitmq-server/1'
@niedbalski
niedbalski / gist:646e7cdf1fef99e6cc3b82a2634fb0a3
Last active May 25, 2017 18:51
connect to erlang vm
erl -sname tester -setcookie $(cat /var/lib/rabbitmq/.erlang.cookie) -remsh rabbit@$(hostname)
io:format("~p", [dict:find(rabbit, dict:from_list(rabbit:environment()))]).
@niedbalski
niedbalski / gist:c081994fc23d27d360887812da82a0f4
Created May 23, 2017 21:01
juju-mysql-password.sh
export MYSQLPWD=$(juju run --unit percona-cluster/0 leader-get | grep "mysql.passwd" | cut -d' ' -f2 | tail -n 1)
juju ssh percona-cluster/0 sudo mysql -p$MYSQLPWD -e 'show\ databases;'
@niedbalski
niedbalski / corosync tweaks
Created March 30, 2017 19:23
corosync variables
# For non-systemd based systems, prefix export to each enabled line
#==#==# Variables that control logging
# Enable debug logging globally or per-subsystem
# Multiple subsystems may me listed separated by commas
# eg. PCMK_debug=crmd,pengine
PCMK_debug=yes
# Send INFO (and higher) messages to the named log file
@niedbalski
niedbalski / mongodump-juju2.sh
Last active January 10, 2017 19:13
dump a mongo database of juju 2
$ juju ssh ubuntu@$(juju status -m controller | grep -E '(started)'| awk '{print $3}')
$ sudo /usr/lib/juju/mongo3.2/bin/mongodump -h 127.0.0.1 --port 37017 --ssl -u admin -p $(sudo grep oldpassword
/var/lib/juju/agents/machine-*/agent.conf | cut -d' ' -f2) --authenticationDatabase admin --db juju