Migration 1.3 -> 1.5 under Centos 7

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Messages: 1
Registration: March 30, 2018 - 2:31 PM

March 30, 2018 - 2:54 PM

Good morning,

I followed the procedure as explained on page https://www.wapt.fr/fr/doc/waptserver_u ... entos.html but I encountered some errors during the procedure.

In case this might be useful to others, here are the changes I had to make to successfully complete the migration:

To uninstall wapt 1.3:

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yum remove tis-waptrepo tis-waptsetup tis-waptserver
systemctl stop apache2
systemctl disable apache2
becomes :

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yum remove tis-waptrepo tis-waptsetup tis-waptserver
systemctl stop httpd
systemctl disable httpd


In the section Update the CentOS / Red Hat server :

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yum install postgresql94-server postgresql94-contrib
becomes :

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yum install postgresql94-server postgresql94-contrib mongodb
(MongoDB is split into two packages under CentOS: mongodb-server and mongodb. The mongodb package contains mongoexport, which is used by the migration script.)

I also executed the following command so that the migration script could check for the presence of the lock file:

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chmod 755 /var/lib/mongodb
I patched the file /opt/wapt/waptserver/waptserver_upgrade.py (I only used (current_distrib != "centos linux" because I don't have a rhel7 machine on hand to test if the initial script also needs modification to work):

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--- /opt/wapt/waptserver/waptserver_upgrade.py.orig	2018-03-29 15:00:58.908069144 +0200
+++ /opt/wapt/waptserver/waptserver_upgrade.py	2018-03-29 15:12:00.480088326 +0200
@@ -67,7 +67,10 @@
     """Connect to a mongo instance and write all wapt.hosts collection as json into a file"""
     if platform.system()=='Linux':
         mongo_datadir = '/var/lib/mongodb/'
-        if 'dbpath' in subprocess.check_output('mongoexport --help',shell=True):
+	distrib_tuple = platform.linux_distribution()
+	current_distrib = distrib_tuple[0].lower()
+	print ('detected distrib : %s ' % current_distrib)
+        if ('dbpath' in subprocess.check_output('mongoexport --help',shell=True)) and (current_distrib != "centos linux"):
             data = subprocess.check_output('mongoexport -d wapt -c hosts --jsonArray --dbpath=%s' % mongo_datadir,shell=True)
         else:
             data = subprocess.check_output('mongoexport -c hosts --jsonArray --db wapt',shell=True)
I also patched the /opt/wapt/waptserver/scripts/postconf.py file because under CentOS the daemon is not called mongodb but mongod:

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--- /opt/wapt/waptserver/scripts/postconf.py.orig	2018-03-29 15:51:46.261262372 +0200
+++ /opt/wapt/waptserver/scripts/postconf.py	2018-03-29 15:52:12.043380391 +0200
@@ -234,8 +234,12 @@
 def upgrade2postgres(configfilename):
     print ("mongodb process running, need to migrate")
     run_verbose('sudo -u wapt PYTHONPATH=/opt/wapt PYTHONHOME=/opt/wapt /opt/wapt/bin/python /opt/wapt/waptserver/waptserver_upgrade.py upgrade2postgres -c "%s"' % configfilename)
-    run_verbose("systemctl stop mongodb")
-    run_verbose("systemctl disable mongodb")
+    if type_redhat():
+        run_verbose("systemctl stop mongod")
+        run_verbose("systemctl disable mongod")
+    else:
+        run_verbose("systemctl stop mongodb")
+        run_verbose("systemctl disable mongodb")
 
 def nginx_set_worker_limit(nginx_conf):
     already_set=False
To resign packages from the repository, modify the commands specified on the page https://www.wapt.fr/fr/doc/waptserver_u ... regenerate by changing /var/www/wapt/... to /var/www/html/wapt/...

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PYTHONPATH=/opt/wapt PYTHONHOME=/opt/wapt python /opt/wapt/wapt-signpackages.py -i -s --message-digest=sha256,sha1 -c /root/wapt-private-20180312-1522.crt /var/www/html/wapt/*.wapt

PYTHONPATH=/opt/wapt PYTHONHOME=/opt/wapt python /opt/wapt/wapt-signpackages.py -i -s --message-digest=sha256,sha1 -c /root/wapt-private-20180312-1522.crt /var/www/html/wapt-host/*.wapt
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