Quote strings in bash populated YAML files.

Quoting is hard.  When writing strings into YAML files, wrap them in single quotes.  Also escape any embedded single quotes in those strings via a double signle quote ('').

cluster/gce/templates/create-dynamic-salt-files.sh

@@ -20,11 +20,11 @@
 
 mkdir -p /srv/salt-overlay/pillar
 cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
-node_instance_prefix: $NODE_INSTANCE_PREFIX
-portal_net: $PORTAL_NET
-enable_node_monitoring: $ENABLE_NODE_MONITORING
-enable_node_logging: $ENABLE_NODE_LOGGING
-logging_destination: $LOGGING_DESTINATION
+node_instance_prefix: '$(echo "$NODE_INSTANCE_PREFIX" | sed -e "s/'/''/g")'
+portal_net: '$(echo "$PORTAL_NET" | sed -e "s/'/''/g")'
+enable_node_monitoring: '$(echo "$ENABLE_NODE_MONITORING" | sed -e "s/'/''/g")'
+enable_node_logging: '$(echo "$ENABLE_NODE_LOGGING" | sed -e "s/'/''/g")'
+logging_destination: '$(echo "$LOGGING_DESTINATION" | sed -e "s/'/''/g")'
 EOF
 
 mkdir -p /srv/salt-overlay/salt/nginx

cluster/gce/templates/salt-master.sh

@@ -19,7 +19,9 @@ sed -i -e "\|^deb.*http://ftp.debian.org/debian| s/^/#/" /etc/apt/sources.list.d
 
 # Prepopulate the name of the Master
 mkdir -p /etc/salt/minion.d
-echo "master: $MASTER_NAME" > /etc/salt/minion.d/master.conf
+cat <<EOF >/etc/salt/minion.d/master.conf
+master: '$(echo "$MASTER_NAME" | sed -e "s/'/''/g")'
+EOF
 
 cat <<EOF >/etc/salt/minion.d/log-level-debug.conf
 log_level: debug

cluster/gce/templates/salt-minion.sh

@@ -20,7 +20,9 @@ sed -i -e "\|^deb.*http://ftp.debian.org/debian| s/^/#/" /etc/apt/sources.list.d
 
 # Prepopulate the name of the Master
 mkdir -p /etc/salt/minion.d
-echo "master: $MASTER_NAME" > /etc/salt/minion.d/master.conf
+cat <<EOF >/etc/salt/minion.d/master.conf
+master: '$(echo "$MASTER_NAME" | sed -e "s/'/''/g")'
+EOF
 
 cat <<EOF >/etc/salt/minion.d/log-level-debug.conf
 log_level: debug
@@ -32,7 +34,7 @@ cat <<EOF >/etc/salt/minion.d/grains.conf
 grains:
   roles:
     - kubernetes-pool
-  cbr-cidr: $MINION_IP_RANGE
+  cbr-cidr: '$(echo "$MINION_IP_RANGE" | sed -e "s/'/''/g")'
   cloud: gce
 EOF
 
@@ -51,7 +53,7 @@ fi
 
 if [[ -n "{DOCKER_OPTS}" ]]; then
 cat <<EOF >>/etc/salt/minion.d/grains.conf
-  docker_opts: $DOCKER_OPTS
+  docker_opts: '$(echo "$DOCKER_OPTS" | sed -e "s/'/''/g")'
 EOF
 fi
 

cluster/vagrant/provision-master.sh

@@ -62,17 +62,19 @@ done
 
 # Update salt configuration
 mkdir -p /etc/salt/minion.d
-echo "master: $MASTER_NAME" > /etc/salt/minion.d/master.conf
+cat <<EOF >/etc/salt/minion.d/master.conf
+master: '$(echo "$MASTER_NAME" | sed -e "s/'/''/g")'
+EOF
 
 cat <<EOF >/etc/salt/minion.d/grains.conf
 grains:
-  node_ip: $MASTER_IP
-  master_ip: $MASTER_IP
-  publicAddressOverride: $MASTER_IP
+  node_ip: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
+  master_ip: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
+  publicAddressOverride: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
   network_mode: openvswitch
   networkInterfaceName: eth1
-  etcd_servers: $MASTER_IP
-  api_servers: $MASTER_IP
+  etcd_servers: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
+  api_servers: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
   cloud: vagrant
   cloud_provider: vagrant
   roles:
@@ -81,11 +83,11 @@ EOF
 
 mkdir -p /srv/salt-overlay/pillar
 cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
-  portal_net: $PORTAL_NET
-  cert_ip: $MASTER_IP
-  enable_node_monitoring: $ENABLE_NODE_MONITORING
-  enable_node_logging: $ENABLE_NODE_LOGGING
-  logging_destination: $LOGGING_DESTINATION
+  portal_net: '$(echo "$PORTAL_NET" | sed -e "s/'/''/g")'
+  cert_ip: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
+  enable_node_monitoring: '$(echo "$ENABLE_NODE_MONITORING" | sed -e "s/'/''/g")'
+  enable_node_logging: '$(echo "$ENABLE_NODE_LOGGING" | sed -e "s/'/''/g")'
+  logging_destination: '$(echo "$LOGGING_DESTINATION" | sed -e "s/'/''/g")'
 EOF
 
 # Configure the salt-master
@@ -155,7 +157,6 @@ rest_cherrypy:
   webhook_disable_auth: True
 EOF
 
-
   # Install Salt Master
   #
   # -M installs the master
@@ -163,7 +164,7 @@ EOF
   curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s -- -M -N
 
   # Install salt-api
-  #  
+  #
   # This is used to provide the network transport for salt-api
   yum install -y python-cherrypy
   # This is used to inform the cloud provider used in the vagrant cluster

cluster/vagrant/provision-minion.sh

@@ -40,22 +40,24 @@ done
 
 # Let the minion know who its master is
 mkdir -p /etc/salt/minion.d
-echo "master: $MASTER_NAME" > /etc/salt/minion.d/master.conf
+cat <<EOF >/etc/salt/minion.d/master.conf
+master: '$(echo "$MASTER_NAME" | sed -e "s/'/''/g")'
+EOF
 
 # Our minions will have a pool role to distinguish them from the master.
 cat <<EOF >/etc/salt/minion.d/grains.conf
 grains:
   network_mode: openvswitch
-  node_ip: $MINION_IP
-  etcd_servers: $MASTER_IP
-  api_servers: $MASTER_IP
+  node_ip: '$(echo "$MINION_IP" | sed -e "s/'/''/g")'
+  etcd_servers: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
+  api_servers: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
   networkInterfaceName: eth1
-  apiservers: $MASTER_IP
+  apiservers: '$(echo "$MASTER_IP" | sed -e "s/'/''/g")'
   roles:
     - kubernetes-pool
     - kubernetes-pool-vagrant
-  cbr-cidr: $MINION_IP_RANGE
-  minion_ip: $MINION_IP
+  cbr-cidr: '$(echo "$MINION_IP_RANGE" | sed -e "s/'/''/g")'
+  minion_ip: '$(echo "$MINION_IP" | sed -e "s/'/''/g")'
 EOF
 
 # we will run provision to update code each time we test, so we do not want to do salt install each time