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Changing logrotate size in 202106 #21

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Changing logrotate size in 202106 #21

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10e58e9
[rsyslog]Setting log file size to 16Mb
dgsudharsan Dec 3, 2021
0ad937f
Merge
dgsudharsan Dec 17, 2021
169dfb2
Merge
dgsudharsan Dec 18, 2021
d8edc4c
Fixes
dgsudharsan Dec 18, 2021
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4 changes: 4 additions & 0 deletions files/build_templates/sonic_debian_extension.j2
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Expand Up @@ -399,6 +399,10 @@ echo "system-health.service" | sudo tee -a $GENERATED_SERVICE_FILE

# Copy logrotate.d configuration files
sudo cp -f $IMAGE_CONFIGS/logrotate/logrotate.d/* $FILESYSTEM_ROOT/etc/logrotate.d/
sudo mv $IMAGE_CONFIGS/logrotate/logrotate.d/rsyslog.j2 $FILESYSTEM_ROOT_USR_SHARE_SONIC_TEMPLATES/
sudo cp $IMAGE_CONFIGS/logrotate/logrotate-config.service $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
sudo cp $IMAGE_CONFIGS/logrotate/logrotate-config.sh $FILESYSTEM_ROOT/usr/bin/
echo "logrotate-config.service" | sudo tee -a $GENERATED_SERVICE_FILE

# Copy systemd-journald configuration files
sudo cp -f $IMAGE_CONFIGS/systemd/journald.conf $FILESYSTEM_ROOT/etc/systemd/
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12 changes: 12 additions & 0 deletions files/image_config/logrotate/logrotate-config.service
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@@ -0,0 +1,12 @@
[Unit]
Description=Update logrotate configuration
Requires=updategraph.service
After=updategraph.service

[Service]
Type=oneshot
ExecStart=/usr/bin/logrotate-config.sh

[Install]
WantedBy=multi-user.target

4 changes: 4 additions & 0 deletions files/image_config/logrotate/logrotate-config.sh
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@@ -0,0 +1,4 @@
#!/bin/bash

sonic-cfggen -d -t /usr/share/sonic/templates/rsyslog.j2 -a "{\"var_log_kb\":$(df -k /var/log | sed -n 2p | awk '{ print $2 }') }" > /etc/logrotate.d/rsyslog

6 changes: 5 additions & 1 deletion ...mage_config/logrotate/logrotate.d/rsyslog → ...e_config/logrotate/logrotate.d/rsyslog.j2
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Expand Up @@ -33,7 +33,11 @@
/var/log/swss/sairedis*.rec
/var/log/swss/swss*.rec
{
{% if var_log_kb <= 204800 %}
size 1M
{% else %}
size 16M
{% endif %}
rotate 5000
missingok
notifempty
Expand All @@ -51,7 +55,7 @@
# should be disabled, just in case they get created and rotated
RESERVED_SPACE_KB=4096

VAR_LOG_SIZE_KB=$(df -k /var/log | sed -n 2p | awk '{ print $2 }')
VARL_LOG_SIZE_KB={{var_log_kb}}

# Limit usable space to 90% of the partition minus the reserved space for other logs
USABLE_SPACE_KB=$(( (VAR_LOG_SIZE_KB * 90 / 100) - RESERVED_SPACE_KB))
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