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Hostname patch for vsphere provider limitations with juju

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This patch sets the hostname to a unique identifier (the juju unit name)
during pre-deployment of the charm. This may not be a FQDN resolveable
hostname but will prevent hostname collision.
This commit is contained in:
Charles Butler 2017-04-21 15:31:27 -05:00
parent f613e66ad6
commit 32acffc7c6
2 changed files with 34 additions and 0 deletions
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17
cluster/juju/layers/kubernetes-master/exec.d/vmware-patch/charm-pre-install Executable file
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@ -0,0 +1,17 @@
#!/bin/bash
MY_HOSTNAME=$(hostname)
: ${JUJU_UNIT_NAME:=`uuidgen`}
if [ "${MY_HOSTNAME}" == "ubuntuguest" ]; then
juju-log "Detected broken vsphere integration. Applying hostname override"
FRIENDLY_HOSTNAME=$(echo $JUJU_UNIT_NAME | tr / -)
juju-log "Setting hostname to $FRIENDLY_HOSTNAME"
if [ ! -f /etc/hostname.orig ]; then
mv /etc/hostname /etc/hostname.orig
fi
echo "${FRIENDLY_HOSTNAME}" > /etc/hostname
hostname $FRIENDLY_HOSTNAME
fi

17
cluster/juju/layers/kubernetes-worker/exec.d/vmware-patch/charm-pre-install Executable file
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@ -0,0 +1,17 @@
#!/bin/bash
MY_HOSTNAME=$(hostname)
: ${JUJU_UNIT_NAME:=`uuidgen`}
if [ "${MY_HOSTNAME}" == "ubuntuguest" ]; then
juju-log "Detected broken vsphere integration. Applying hostname override"
FRIENDLY_HOSTNAME=$(echo $JUJU_UNIT_NAME | tr / -)
juju-log "Setting hostname to $FRIENDLY_HOSTNAME"
if [ ! -f /etc/hostname.orig ]; then
mv /etc/hostname /etc/hostname.orig
fi
echo "${FRIENDLY_HOSTNAME}" > /etc/hostname
hostname $FRIENDLY_HOSTNAME
fi