forked from ISTI-ansible-roles/ansible-roles
library/roles/smartgears/smartgears/templates/get-scopes.j2: Heavily refactor to manage all the scenarios correctly. See https://support.d4science.org/issues/11169
This commit is contained in:
Andrea Dell'Amico
parent
b7c3a03709
commit
36852c7e98
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@ -43,6 +43,7 @@ smartgears_production_vo:
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# Set to 'true' or 'false'. Pay attention to the case
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smartgears_authorized_on_all_scopes: 'false'
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smartgears_merge_scopes: True
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smartgears_scopes:
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- '/{{ smartgears_infrastructure_name }}'
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smartgears_hostname: '{{ ansible_fqdn }}'
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@ -1,4 +1,15 @@
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#!/bin/bash
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#
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# get-scopes: get smartgears scopes using an authorization token or getting them from the current smartgears state. Or both.
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#
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# Set the ansible 'smartgears_merge_scopes' variable to 'False' in the playbook run if you do not want to merge the scopes
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#
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#######################
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#
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# * token + SMARTGEARS_MERGE_SCOPES boolean set to true (default): we merge the scopes
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# - if it is a first install there is no state to merge. Do not fail, only get the playbook scopes
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# * token + SMARTGEARS_MERGE_SCOPES boolean set to false: we only use the playbook scopes
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# * no token, SMARTGEARS_MERGE_SCOPES boolean set to false: we do nothing
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CONTAINER_XML_HEAD={{ smartgears_user_home }}/.containerxml/1-container.xml
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SCOPES_FILE={{ smartgears_user_home }}/.containerxml/2-container.xml
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@ -7,50 +18,11 @@ LOCAL_LIB=/usr/local/lib
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LOCAL_ETC=/usr/local/etc
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LOG_PREFIX="get-scopes: "
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GHN_ENV_FILE=/etc/default/tomcat-instance-{{ item.http_port }}.local
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SMARTGEARS_VO_AUTH={{ smartgears_authorized_on_all_scopes }}
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SMARTGEARS_SAVED_STATE_F=saved_scopes_list.xml
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SMARTGEARS_SAVED_STATE_PATH={{ smartgears_user_home }}/SmartGears/$SMARTGEARS_SAVED_STATE_F
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SMARTGEARS_SCRIPTS_DIR={{ smartgears_user_home }}/SmartGears/scripts
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SMARTGEARS_RUNNING_STATE_FILE={{ smartgears_install_path }}/state/ghn.xml
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CONTAINER_XML_FILE={{ smartgears_install_path }}/container.xml
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# 0: True, 1: False
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USE_SAVED_STATE=1
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TOKEN=
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RETVAL=
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if [ $# -eq 0 ] ; then
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if [ -f $SMARTGEARS_RUNNING_STATE_FILE ] ; then
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if [ "$SMARTGEARS_VO_AUTH" == 'true' ] ; then
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# - The node must run on all VOs
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logger "$LOG_PREFIX When the node must run on all the VOs a valid token is mandatory, aborting without doing anything"
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exit 0
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fi
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USE_SAVED_STATE=0
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echo "No token, assuming that we can use the local state"
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logger "$LOG_PREFIX No token, assuming that we can use the local state"
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else
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# - First installation, no upgrade.
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logger "$LOG_PREFIX No token was passed and not working state available, aborting"
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exit 1
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fi
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elif [ $# -eq 1 ] ; then
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logger "$LOG_PREFIX We have an authorization token"
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TOKEN=$1
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else
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logger "$LOG_PREFIX More than one parameter was passed, aborting"
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exit 1
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fi
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SCOPES_LIST=""
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if [ -f $LOCAL_ETC/scopes.list ] ; then
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. $LOCAL_ETC/scopes.list
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else
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logger "$LOG_PREFIX There is no token list, aborting"
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exit 1
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fi
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{%if setup_nginx %}
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HTTP_PORT={{ http_port }}
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{% else %}
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@ -61,7 +33,79 @@ HTTP_PORT={{ item.http_port }}
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{% endif %}
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{% endif %}
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function get_scopes_from_auth() {
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# True (defaul): merge the scopes. False: do not merge
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SMARTGEARS_MERGE_SCOPES="{{ smartgears_merge_scopes }}"
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# If true, all the VRE associated to the listed VOs are authorized
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SMARTGEARS_VO_AUTH={{ smartgears_authorized_on_all_scopes }}
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CONTAINER_XML_FILE={{ smartgears_install_path }}/container.xml
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TOKEN=
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RETVAL=
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USE_SAVED_STATE=
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CREATE_CONTAINER_XML_RES=0
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#######################
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check_merge_scopes_behaviour() {
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# 0: True, 1: False
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USE_SAVED_STATE=0
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if [ $SMARTGEARS_MERGE_SCOPES == 'True' ] ; then
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USE_SAVED_STATE=0
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logger "$LOG_PREFIX smartgears_merge_scopes set to True by the caller."
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elif [ $SMARTGEARS_MERGE_SCOPES == 'False' ] ; then
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USE_SAVED_STATE=1
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logger "$LOG_PREFIX smartgears_merge_scopes set to False by the caller."
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else
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logger "$LOG_PREFIX smartgears_merge_scopes set to a not correct value. Assuming True"
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fi
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}
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check_token_presence() {
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if [ $# -ge 1 ] ; then
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# Ignore anything other than the first parameter
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logger "$LOG_PREFIX We have an authorization token"
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TOKEN=$1
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fi
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}
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check_smartgears_state_presence() {
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if [ ! -f $SMARTGEARS_RUNNING_STATE_FILE ] ; then
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USE_SAVED_STATE=1
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logger "$LOG_PREFIX No state file, it was removed or it is a first installation. We need a token to proceed successfully from now on."
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fi
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}
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decide_how_to_proceed() {
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if [ -z $TOKEN ] ; then
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if [ ! -f $SMARTGEARS_RUNNING_STATE_FILE ] ; then
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logger "$LOG_PREFIX No token no local state. Maybe a first installation. Aborting."
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exit 1
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elif [ USE_SAVED_STATE -eq 1 ] ; then
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logger "$LOG_PREFIX No token and we do not want to merge the local state. Doing nothing."
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exit 0
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fi
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fi
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}
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load_the_scopes_list_from_file() {
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if [ ! -z $TOKEN ] ; then
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SCOPES_LIST=""
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if [ -f $LOCAL_ETC/scopes.list ] ; then
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. $LOCAL_ETC/scopes.list
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else
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logger "$LOG_PREFIX There is no scopes list file, this should never happen. Aborting."
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exit 1
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fi
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else
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# If no token was provided, we cannot use the file with the list of provided scopes
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logger "$LOG_PREFIX load_the_scopes_list_from_file. No token was provided, not loading the scopes list file"
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fi
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}
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get_scopes_from_auth() {
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# We have a token and a list of scopes names. Get the scope tokens for them.
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logger "$LOG_PREFIX get_scopes_from_auth. We have a token and a list of scopes names. Get the scope tokens for them."
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for jar in $( ls -1 /home/gcube/tomcat/lib/ ) ; do
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export CLASSPATH="/home/gcube/SmartGears/lib/${jar}:$CLASSPATH"
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done
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@ -73,43 +117,70 @@ function get_scopes_from_auth() {
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{% endif %}
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RETVAL=$?
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if [ $RETVAL -eq 0 ] ; then
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logger "$LOG_PREFIX We got the scope tokens"
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logger "$LOG_PREFIX get_scopes_from_auth. We got the scope tokens."
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else
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logger "$LOG_PREFIX Unable to obtain the scope tokens, aborting"
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logger "$LOG_PREFIX get_scopes_from_auth. Unable to obtain the scope tokens, aborting."
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exit 1
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fi
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}
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if [ $USE_SAVED_STATE -ne 0 ] ; then
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logger "$LOG_PREFIX First installation or moving avay to a configuration that needs to be present on all the VREs. Using our scopes list and not the state memorized one"
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get_scopes_from_auth
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else
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logger "$LOG_PREFIX We are going to use the scopes memorized into the state"
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SCOPES_FILE=$SMARTGEARS_SAVED_STATE_PATH
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fi
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get_scopes_from_local_state() {
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if [ ! -f $SMARTGEARS_RUNNING_STATE_FILE ] ; then
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USE_SAVED_STATE=1
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logger "$LOG_PREFIX No state file, it was removed or it is a first installation. Skip the request for the local state, do not merge the local state."
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return 0
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fi
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# Get the scopes from the local state
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cd $SMARTGEARS_SCRIPTS_DIR
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. $GHN_ENV_FILE
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./clean-container-state -s $SMARTGEARS_SAVED_STATE_F
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RETVAL=$?
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if [ $RETVAL -ne 0 ] ; then
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# We were not able to get the running state from the IS. Try to get new scope tokens
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logger "$LOG_PREFIX We were not able to get the running state from the IS."
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fi
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}
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# We always remove the current state
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cd $SMARTGEARS_SCRIPTS_DIR
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. $GHN_ENV_FILE
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./clean-container-state -s $SMARTGEARS_SAVED_STATE_F
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RETVAL=$?
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if [ $RETVAL -ne 0 ] ; then
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# We were not able to get the running state from the IS. Try to get new scope tokens
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logger "$LOG_PREFIX We were not able to get the running state from the IS. Try to get new scope tokens from the authorization service"
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SCOPES_FILE={{ smartgears_user_home }}/.containerxml/2-container.xml
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get_scopes_from_auth
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fi
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get_scopes() {
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if [ ! -z $TOKEN ] ; then
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# We have a token, let's use it
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load_the_scopes_list_from_file
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get_scopes_from_auth
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fi
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# We try to get the scopes from the local state unconditionally, so that we always cleanup the state.
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get_scopes_from_local_state
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}
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# Now that we have the tokens, we can assemble the container.xml file
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chmod 640 $CONTAINER_XML_FILE
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CREATE_CONTAINER_XML_RES=0
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CREATE_CONTAINER_XML=$( cat $CONTAINER_XML_HEAD $SCOPES_FILE $CONTAINER_XML_TAIL > $CONTAINER_XML_FILE )
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CREATE_CONTAINER_XML_RES=$?
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if [ $CREATE_CONTAINER_XML_RES -ne 0 ] ; then
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logger "$LOG_PREFIX $CONTAINER_XML_FILE cannot be updated. Error is $CREATE_CONTAINER_XML"
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exit $CREATE_CONTAINER_XML_RES
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fi
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chmod 440 $CONTAINER_XML_FILE
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logger "$LOG_PREFIX $CONTAINER_XML_FILE updated"
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assemble_the_container_xml_file() {
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# Now that we have the tokens, we can assemble the container.xml file
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chmod 640 $CONTAINER_XML_FILE
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if [ ! -z $TOKEN ] && [ $USE_SAVED_STATE -eq 0 ] ; then
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CREATE_CONTAINER_XML=$( cat $CONTAINER_XML_HEAD $SCOPES_FILE $SMARTGEARS_SAVED_STATE_PATH $CONTAINER_XML_TAIL > $CONTAINER_XML_FILE )
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CREATE_CONTAINER_XML_RES=$?
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elif [ ! -z $TOKEN ] && [ $USE_SAVED_STATE -eq 1 ] ; then
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CREATE_CONTAINER_XML=$( cat $CONTAINER_XML_HEAD $SCOPES_FILE $CONTAINER_XML_TAIL > $CONTAINER_XML_FILE )
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CREATE_CONTAINER_XML_RES=$?
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elif [ -z $TOKEN ] && [ $USE_SAVED_STATE -eq 0 ] ; then
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CREATE_CONTAINER_XML=$( cat $CONTAINER_XML_HEAD $SMARTGEARS_SAVED_STATE_PATH $CONTAINER_XML_TAIL > $CONTAINER_XML_FILE )
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CREATE_CONTAINER_XML_RES=$?
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fi
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if [ $CREATE_CONTAINER_XML_RES -ne 0 ] ; then
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logger "$LOG_PREFIX $CONTAINER_XML_FILE cannot be updated. Error is $CREATE_CONTAINER_XML"
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exit $CREATE_CONTAINER_XML_RES
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fi
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chmod 440 $CONTAINER_XML_FILE
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logger "$LOG_PREFIX $CONTAINER_XML_FILE updated"
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}
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############
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#
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# Main
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#
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check_merge_scopes_behaviour
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check_token_presence
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check_smartgears_state_presence
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decide_how_to_proceed
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get_scopes
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assemble_the_container_xml_file
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exit 0
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