Welll, I do not remember finding this on CS docs. I found them googling. cloud-set-guest-password (I registered it on init.d)
#!/bin/bash > # > # Init file for Password Download Client > # > # chkconfig: 345 98 02 > # description: Password Download Client > > # Licensed to the Apache Software Foundation (ASF) under one > # or more contributor license agreements. See the NOTICE file > # distributed with this work for additional information > # regarding copyright ownership. The ASF licenses this file > # to you under the Apache License, Version 2.0 (the > # "License"); you may not use this file except in compliance > # with the License. You may obtain a copy of the License at > # > # http://www.apache.org/licenses/LICENSE-2.0 > # > # Unless required by applicable law or agreed to in writing, > # software distributed under the License is distributed on an > # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY > # KIND, either express or implied. See the License for the > # specific language governing permissions and limitations > # under the License. > > > # Modify this line to specify the user (default is root) > user=root > > # Add your DHCP lease folders here > DHCP_FOLDERS="/var/lib/dhclient/* /var/lib/dhcp3/* /var/lib/dhcp/*" > password_received=0 > file_count=0 > error_count=0 > > for DHCP_FILE in $DHCP_FOLDERS > do > if [ -f $DHCP_FILE ] > then > file_count=$((file_count+1)) > PASSWORD_SERVER_IP=$(grep dhcp-server-identifier $DHCP_FILE | tail > -1 | awk '{print $NF}' | tr -d '\;') > > if [ -n "$PASSWORD_SERVER_IP" ] > then > logger -t "cloud" "Found password server IP > $PASSWORD_SERVER_IP in $DHCP_FILE" > logger -t "cloud" "Sending request to password server at > $PASSWORD_SERVER_IP" > password=$(wget -q -t 3 -T 20 -O - --header "DomU_Request: > send_my_password" $PASSWORD_SERVER_IP:8080) > password=$(echo $password | tr -d '\r') > > if [ $? -eq 0 ] > then > logger -t "cloud" "Got response from server at > $PASSWORD_SERVER_IP" > > case $password in > > "") logger -t "cloud" "Password server > at $PASSWORD_SERVER_IP did not have any password for the VM" > continue > ;; > > "bad_request") logger -t "cloud" "VM sent an > invalid request to password server at $PASSWORD_SERVER_IP" > error_count=$((error_count+1)) > continue > ;; > > "saved_password") logger -t "cloud" "VM has already > saved a password from the password server at $PASSWORD_SERVER_IP" > continue > ;; > > *) logger -t "cloud" "VM got a valid > password from server at $PASSWORD_SERVER_IP" > password_received=1 > break > ;; > > esac > else > logger -t "cloud" "Failed to send request to password > server at $PASSWORD_SERVER_IP" > error_count=$((error_count+1)) > fi > else > logger -t "cloud" "Could not find password server IP in > $DHCP_FILE" > error_count=$((error_count+1)) > fi > fi > done > > if [ "$password_received" == "0" ] > then > if [ "$error_count" == "$file_count" ] > then > logger -t "cloud" "Failed to get password from any server" > exit 1 > else > logger -t "cloud" "Did not need to change password." > exit 0 > fi > fi > > logger -t "cloud" "Changing password ..." > echo $user:$password | chpasswd > > if [ $? -gt 0 ] > then > usermod -p 'mkpasswd -m SHA-512 $password' $user > > if [ $? -gt 0 ] > then > logger -t "cloud" "Failed to change password for user $user" > exit 1 > else > logger -t "cloud" "Successfully changed password for user $user" > fi > fi > > logger -t "cloud" "Sending acknowledgment to password server at > $PASSWORD_SERVER_IP" > wget -t 3 -T 20 -O - --header "DomU_Request: saved_password" > $PASSWORD_SERVER_IP:8080 > exit 0 > > setHostName (to change hostname after the DHCP server gives you the IP and desired hostName from CS): > #!/bin/sh > # dhclient change hostname script for Ubuntu > # /etc/dhcp/dhclient-exit-hooks.d/sethostname > # logs in /var/log/upstart/network-interface-eth0.log > > # for debugging: > echo "cloudstack-sethostname BEGIN" > export > set -x > > if [ $reason = "BOUND" ]; then > echo new_ip_address=$new_ip_address > echo new_host_name=$new_host_name > echo new_domain_name=$new_domain_name > > oldhostname=$(hostname -s) > if [ $oldhostname != $new_host_name ]; then > > # Rename Host > echo $new_host_name > /etc/hostname > hostname -F /etc/hostname > > # Update /etc/hosts if needed > TMPHOSTS=/etc/hosts.dhcp.new > if ! grep "$new_ip_address $new_host_name.$new_domain_name > $new_host_name" /etc/hosts; then > # Remove the 127.0.1.1 put there by the debian installer > grep -v '127\.0\.1\.1 ' < /etc/hosts > $TMPHOSTS > # Add the our new ip address and name > echo "$new_ip_address $new_host_name.$new_domain_name > $new_host_name" >> $TMPHOSTS > mv $TMPHOSTS /etc/hosts > fi > > # Recreate SSH2 keys > export DEBIAN_FRONTEND=noninteractive > dpkg-reconfigure openssh-server > fi > fi > echo "cloudstack-sethostname END" > On Wed, Apr 16, 2014 at 9:36 AM, Jonathan Gowar <j...@whiteheat.org.uk>wrote: > On Wed, 2014-04-16 at 08:54 -0300, Rafael Weingartner wrote > > > > One to change the root password, and the other to change the host name > > according to the one that was defined on CS. > > > > one is in "/etc/init.d/", and it is called cloud-set-guest-password. > > (The script is attached). > > > > > > and the second one is in "tc/dhcp/dhclient-exit-hooks.d/", so it is > > called right after the DHCP finishes its job. And its name is > > setHostName. (Also attached) > > Hi, > > I need to do change the hostname as according to CS, but don't know > about cloud-init scripts. > > What machine would a script to set the hostname sit on? Also, it seems > the attachments are missing? > > Is this documented anywhere, to give me a better understand. > > Thanks, > Jon > > > > -- Rafael Weingärtner
