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AWS: Create a helper to set salt grain from env var

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This is better from a DRY standpoint.

This helps reduce the script size, so we have a little bit of breathing
room vs the 16KB limit.
This commit is contained in:
Justin Santa Barbara
2015-11-10 23:47:22 -05:00
parent 33a5874d11
commit 875e3d49df
1 changed files with 16 additions and 27 deletions
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41
cluster/aws/templates/salt-master.sh
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@@ -26,35 +26,24 @@ grains:
cbr-cidr: "${MASTER_IP_RANGE}" cbr-cidr: "${MASTER_IP_RANGE}"
EOF EOF
if [[ -n "${DOCKER_OPTS}" ]]; then # Helper that sets a salt grain in grains.conf, if the upper-cased key is a non-empty env
cat <<EOF >>/etc/salt/minion.d/grains.conf function env_to_salt {
docker_opts: '$(echo "$DOCKER_OPTS" | sed -e "s/'/''/g")' local key=$1
local env_key=`echo $key | tr '[:lower:]' '[:upper:]'`
local value=${!env_key}
if [[ -n "${value}" ]]; then
# Note this is yaml, so indentation matters
cat <<EOF # >>/etc/salt/minion.d/grains.conf
${key}: '$(echo "${value}" | sed -e "s/'/''/g")'
EOF EOF
fi fi
}
if [[ -n "${DOCKER_ROOT}" ]]; then env_to_salt docker_opts
cat <<EOF >>/etc/salt/minion.d/grains.conf env_to_salt docker_root
docker_root: '$(echo "$DOCKER_ROOT" | sed -e "s/'/''/g")' env_to_salt kubelet_root
EOF env_to_salt master_extra_sans
fi env_to_salt runtime_config
if [[ -n "${KUBELET_ROOT}" ]]; then
cat <<EOF >>/etc/salt/minion.d/grains.conf
kubelet_root: '$(echo "$KUBELET_ROOT" | sed -e "s/'/''/g")'
EOF
fi
if [[ -n "${MASTER_EXTRA_SANS}" ]]; then
cat <<EOF >>/etc/salt/minion.d/grains.conf
master_extra_sans: '$(echo "$MASTER_EXTRA_SANS" | sed -e "s/'/''/g")'
EOF
fi
if [[ ! -z "${RUNTIME_CONFIG:-}" ]]; then
cat <<EOF >>/etc/salt/minion.d/grains.conf
runtime_config: '$(echo "$RUNTIME_CONFIG" | sed -e "s/'/''/g")'
EOF
fi
# Auto accept all keys from minions that try to join # Auto accept all keys from minions that try to join
mkdir -p /etc/salt/master.d mkdir -p /etc/salt/master.d