• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

Resolved Issues with Grafana / Advanced monitoring

Pim Uijttewaal

New Pleskian
Hi, when installing the Grafana extension I get the following error:

Could not install Grafana
Failed
  • The execution of post-install.php has failed with the following message:
  • [2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>

After closing the error message I can in fact see the extension. But when I open it and click Open Application it opens mydomain/8443/modules/grafana/service/ and gives SERVER 403 forbidden.

Furthermore opening the Advanced Monitoring tab in Plesk shows: Could not check if Advanced Monitoring was installed correctly: Execution extension has failed with exit code 1, stdout: , stderr: /opt/psa/admin/sbin/modules//grafana/grafana-cli: line 2: /usr/sbin/grafana-cli: No such file or directory

The Fix Installation button cannot repair it.

I've also tried
plesk repair
plesk installer --select-release-current --reinstall-patch --upgrade-installed-components

No joy :-( Any suggestions? thanks, Pim
 
Do you have any additional related details from /var/log/plesk/panel.log ?
 
2019-10-04 05:54:54.474] ERR [panel] The execution of post-install.php has failed with the following message:
[2019-10-04 05:54:54.213] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:10.978] ERR [extension/grafana] The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:11.269] ERR [panel] Task failed: id=1363, pid=27927, type=ext-catalog-install, error=The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:11.269] ERR [panel] The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:09:02.791] ERR [extension/wp-toolkit] Unable to retrieve data by "https://api.wordpress.org/core/version-check/1.7/"
[2019-10-04 06:09:03.037] ERR [extension/wp-toolkit] Unable to retrieve data by "https://api.wordpress.org/core/version-check/1.7/"
[2019-10-04 06:11:28.325] ERR [panel] ranktracker.exception.used_count_failed
[2019-10-04 06:11:29.280] ERR [extension/xovi] Sorry, currently not able to connect to API.
root@h2781590:~#
root@h2781590:~#
root@h2781590:~# tail /var/log/plesk/panel.log
[2019-10-04 06:00:10.978] ERR [extension/grafana] The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:11.269] ERR [panel] Task failed: id=1363, pid=27927, type=ext-catalog-install, error=The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:00:11.269] ERR [panel] The execution of post-install.php has failed with the following message:
[2019-10-04 06:00:10.971] ERR [extension/grafana] Execution repository has failed with exit code 1, stdout: , stderr: ERROR:root:<urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
[2019-10-04 06:09:02.791] ERR [extension/wp-toolkit] Unable to retrieve data by "https://api.wordpress.org/core/version-check/1.7/"
[2019-10-04 06:09:03.037] ERR [extension/wp-toolkit] Unable to retrieve data by "https://api.wordpress.org/core/version-check/1.7/"
[2019-10-04 06:11:28.325] ERR [panel] ranktracker.exception.used_count_failed
[2019-10-04 06:11:29.280] ERR [extension/xovi] Sorry, currently not able to connect to API.
 
Do you have any firewall enabled? Do you have access to ext.plesk.com from this server?
 
Yes, the normal Plesk firewall with default rules. I disabled it for now and can reach ext.plesk.com but still the same errors

root@h2781590:~# ping ext.plesk.com
PING 1648825949.rsc.cdn77.org (195.181.172.7) 56(84) bytes of data.
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=1 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=2 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=3 ttl=58 time=11.2 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=4 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=5 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=6 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=7 ttl=58 time=11.2 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=8 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=9 ttl=58 time=11.1 ms
64 bytes from amsterdam-1.cdn77.com (195.181.172.7): icmp_seq=10 ttl=58 time=11.2 ms
 
My FW rules
rule-allow.png
Plesk administrative interface Allow incoming from all
rule-allow.png
WWW server Allow incoming from all
rule-allow.png
FTP server Allow incoming from all
rule-allow.png
SSH (secure shell) server Allow incoming from all
rule-allow.png
SMTP (mail sending) server Allow incoming from all
rule-allow.png
POP3 (mail retrieval) server Allow incoming from all
rule-allow.png
IMAP (mail retrieval) server Allow incoming from all
rule-allow.png
Mail password change service Allow incoming from all
rule-deny.png
MySQL server Deny incoming from all
rule-allow.png
PostgreSQL server Allow incoming from all
rule-allow.png
Samba (file sharing in Windows networks) Allow incoming from all
rule-deny.png
Domain name server Deny incoming from all
rule-allow.png
Ping service Allow incoming from all
rule-allow.png
System policy for incoming traffic Allow all other incoming traffic
rule-allow.png
System policy for outgoing traffic Allow all other outgoing traffic
rule-deny.png
System policy for forwarding of traffic Deny forwarding of all other traffic
 
By the way, I found that an upgraded package was available.. but that also doesnt work

Uitpakken van .../grafana_6.4.1_amd64.deb wordt voorbereid...
Bezig met uitpakken van grafana (6.4.1) over (2.6.0+dfsg-1) ...
dpkg: fout bij verwerken van archief /var/cache/apt/archives/grafana_6.4.1_amd64.deb (--unpack):
poging tot overschrijven van '/usr/share/grafana/public/fonts/fontawesome-webfont.woff', wat ook in pakket grafana-data 2.6.0+dfsg-1 zit
dpkg-deb: fout: subproces plakken werd gedood door signaal (Broken pipe)
Bezig met afhandelen van triggers voor systemd (229-4ubuntu21.22) ...
Fouten gevonden tijdens verwerken van:
/var/cache/apt/archives/grafana_6.4.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
 
Something wrong with packages apt system for your Ubuntu. Try to fix it with

# apt-get update
# apt-get install -f
 
The issue looks very strange. Detailed investigation directly on your server is required. Therefore I'd suggest you contact Plesk Support Team.
 
Sorry, one more question, can I just upgrade from Ubuntu 16.04 to 18.04 by using 'do-release-upgrade' without breaking Plesk?
 
Would like to confirm that re-installing the dedicated server with 18.04 instead of 16.04 solved the issue for me.
 
I am having the same issue, Ubuntu 16.04. Have a support ticket in and waiting on a response. Will post here once I get it.

I do not have the time to do a migrate to Ubuntu 18.04, although I do plan to in the near future...
 
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