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Vagrant salt-minion should have low oom_score_adj and restart policy

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derekwaynecarr 2015-09-22 15:55:38 -04:00
parent e535e27e82
commit c1b2f62299
2 changed files with 45 additions and 0 deletions
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22
cluster/vagrant/provision-master.sh
View File

@ -307,6 +307,28 @@ if ! which salt-minion >/dev/null 2>&1; then
# Install Salt minion # Install Salt minion
curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s
# Edit the Salt minion unit file to do restart always
# needed because vagrant uses this as basis for registration of nodes in cloud provider
# set a oom_score_adj to -999 to prevent our node from being killed with salt-master and then making kubelet NotReady
# because its not found in salt cloud provider call
cat <<EOF >/usr/lib/systemd/system/salt-minion.service
[Unit]
Description=The Salt Minion
After=syslog.target network.target
[Service]
Type=simple
ExecStart=/usr/bin/salt-minion
Restart=Always
OOMScoreAdjust=-999
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl restart salt-minion.service
else else
# Only run highstate when updating the config. In the first-run case, Salt is # Only run highstate when updating the config. In the first-run case, Salt is
# set up to run highstate as new minions join for the first time. # set up to run highstate as new minions join for the first time.

23
cluster/vagrant/provision-minion.sh
View File

@ -163,6 +163,29 @@ swapoff -a
if ! which salt-minion >/dev/null 2>&1; then if ! which salt-minion >/dev/null 2>&1; then
# Install Salt # Install Salt
curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s
# Edit the Salt minion unit file to do restart always
# needed because vagrant uses this as basis for registration of nodes in cloud provider
# set a oom_score_adj to -999 to prevent our node from being killed with salt-master and then making kubelet NotReady
# because its not found in salt cloud provider call
cat <<EOF >/usr/lib/systemd/system/salt-minion.service
[Unit]
Description=The Salt Minion
After=syslog.target network.target
[Service]
Type=simple
ExecStart=/usr/bin/salt-minion
Restart=Always
OOMScoreAdjust=-999
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl restart salt-minion.service
else else
# Sometimes the minion gets wedged when it comes up along with the master. # Sometimes the minion gets wedged when it comes up along with the master.
# Restarting it here un-wedges it. # Restarting it here un-wedges it.