Fix netdata purge

.travis.yml

@@ -24,6 +24,13 @@ before_script:
   - unset LANG
   - sudo apt-get install --assume-yes --quiet git python3-setuptools python3-dev python3-apt ccze tree
 
+after_script:
+  - sudo cat /etc/nginx/nginx.conf | ccze -A
+  - sudo cat /var/log/wo/wordops.log | ccze -A
+  - sudo cat /etc/mysql/my.cnf | ccze -A
+  - sudo bash install --purge
+
+
 script:
   - lsb_release -a
   - sudo bash -c 'echo -e "[user]\n\tname = abc\n\temail = root@localhost.com" > /home/travis/.gitconfig'
@@ -36,10 +43,3 @@ script:
 
   - sudo wo update --travis
   - sudo wo stack status
-  - sudo wo stack purge --all --force
-  - sudo bash install --purge
-
-after_script:
-  - sudo cat /etc/nginx/nginx.conf | ccze -A
-  - sudo cat /var/log/wo/wordops.log | ccze -A
-  - sudo cat /etc/mysql/my.cnf | ccze -A

tests/travis.sh

@@ -132,3 +132,4 @@ echo -e '       various informations             '
 echo -e "${CGREEN}#############################################${CEND}"
 wp --allow-root --info
 wo site info wp1.com
+wo stack purge --all --force

wo/cli/plugins/stack.py

@@ -925,11 +925,11 @@ class WOStackController(CementBaseController):
                      'kickstart.sh']).issubset(set(packages))):
                 if WOVariables.wo_distro == 'Raspbian':
                     WOShellExec.cmd_exec(self, "bash /usr/"
-                                         "libexec/netdata-"
+                                         "libexec/netdata/netdata-"
                                          "uninstaller.sh -y -f")
                 else:
                     WOShellExec.cmd_exec(self, "bash /opt/netdata/usr/"
-                                         "libexec/netdata-"
+                                         "libexec/netdata/netdata-"
                                          "uninstaller.sh -y -f")
 
             if (apt_packages):