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→install and configure
How to set elastic search on SME
How to set elastic search on SME
== install and configure==
== install and configure==
<tabs container style="display: inline-block;" ><tab name="For SME 10">
installl elastic repo
installl elastic repo
yum install smeserver-extrarepositories-elastic
signal-event yum-modify
install elastic and dependencies (which are not explicits). You now need to choose the version you want ! 8.x, 7.x, 6.x, 5.x, 2 or 1
yum install elasticsearch java-1.8.0-openjdk --enablerepo=elastic6.x
allow updates
db yum_repositories setprop elastic6.x status enabled TCPPort 9200 access localhost
signal-event yum-modify
signal-event yum-modify
install elastic and dependencies (which are not explicits)
if you wanted a specific release you can use versionlock
yum install elasticsearch java-1.8.0-openjdk --enablerepo=elastic
yum install yum-plugin-versionlock -y
yum install elasticsearch-7.10.2 java-1.8.0-openjdk --enablerepo=elastic6.x
yum versionlock add elasticsearch-7.10.*
configure and start
config set elasticsearch service status enabled
mkdir -p /etc/e-smith/templates-custom/etc/systemd/system-preset/49-koozali.preset/
echo '{
push @list,qw(elasticsearch);
$OUT.="";
}
'> /etc/e-smith/templates-custom/etc/systemd/system-preset/49-koozali.preset/06elasticsearch
expand-template /etc/systemd/system-preset/49-koozali.preset
/etc/e-smith/events/actions/systemd-default
systemctl start elasticsearch
</tab><tab name="For SME 9">
installl elastic repo
yum install smeserver-extrarepositories-elastic
signal-event yum-modify
install elastic and dependencies (which are not explicits). You now need to choose the version you want 6.x, 5.x, 2 or 1
yum install elasticsearch java-1.8.0-openjdk --enablerepo=elastic6.x
allow updates
db yum_repositories setprop elastic6.x status enabled
signal-event yum-modify
make it start at every boot
make it start at every boot
start it for the first time
start it for the first time
service elasticsearch start
service elasticsearch start
</tab></tabs>
== migration from 1.x to higher ==
upgrade to 2.4 and install plugin<syntaxhighlight lang="bash">
yum upgrade elasticsearch --enablerepo=elastic2
service elasticsearch restart
cd /usr/share/elasticsearch
./bin/plugin install https://github.com/elastic/elasticsearch-migration/releases/download/v2.0.4/elasticsearch-migration-2.0.4.zip
</syntaxhighlight>run a tunnel from your computer<syntaxhighlight lang="bash">
ssh -L 9200:localhost:9200 user@yourserver
</syntaxhighlight>use your favourite browser to fix things and migrate <nowiki>http://localhost:9200/_plugin/elasticsearch-migration</nowiki>
then delete plugin and upgrade to 5.x or 6.x<syntaxhighlight lang="bash">
cd /usr/share/elasticsearch
rm plugin/elasticsearch-migration -rf
yum update elasticsearch --enablerepo=elastic5.x
service elasticsearch restart
</syntaxhighlight>
reference https://github.com/elastic/elasticsearch-migration/tree/2.x
== Snapshots ==
preparing for snapshots<syntaxhighlight lang="bash">
mkdir /home/e-smith/db/elasticsearch
chown elasticsearch:elasticsearch /home/e-smith/db/elasticsearch/
echo "">> /etc/elasticsearch/elasticsearch.yml
echo 'path.repo: ["/home/e-smith/db/elasticsearch"]' >> /etc/elasticsearch/elasticsearch.yml
service elasticsearch restart
curl -XPUT 'http://localhost:9200/_snapshot/my_backup' -H 'Content-Type: application/json' -d '{
"type": "fs",
"settings": {
"location": "/home/e-smith/db/elasticsearch",
"compress": true
}
}PUT /_snapshot/my_backup'
</syntaxhighlight>making a snapshot. <syntaxhighlight lang="bash">
curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1?wait_for_completion=true'
</syntaxhighlight>restore all indices, but not the state.<syntaxhighlight lang="bash">
curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1/_restore'
</syntaxhighlight>
references and more options : https://www.elastic.co/guide/en/elasticsearch/reference/5.5/modules-snapshots.html
==notes==
==notes==
----
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[[Category:Howto]]
[[Category:Howto]]
[[Category:Database]]