Jürgen Gmach has proposed merging ~jugmac00/launchpad:how-to-check-availability-of-launchpad-frontends into launchpad:master.
Commit message: Add "Checking availability of Launchpad frontends" how-to Requested reviews: Launchpad code reviewers (launchpad-reviewers) For more details, see: https://code.launchpad.net/~jugmac00/launchpad/+git/launchpad/+merge/433776 -- Your team Launchpad code reviewers is requested to review the proposed merge of ~jugmac00/launchpad:how-to-check-availability-of-launchpad-frontends into launchpad:master.
diff --git a/doc/how-to/checking-availability-of-launchpad-frontends.rst b/doc/how-to/checking-availability-of-launchpad-frontends.rst new file mode 100644 index 0000000..cca8034 --- /dev/null +++ b/doc/how-to/checking-availability-of-launchpad-frontends.rst @@ -0,0 +1,36 @@ +============================================ +Checking availability of Launchpad frontends +============================================ + + +Launchpad is using round-robin DNS to load balance requests among the +frontends. + +So in order to check the availability of the frontends, +you need to get a list of all frontends and then check them individually. + +Get list of frontends +===================== + +.. code-block:: shell-session + + $ host launchpad.net + + launchpad.net has address 185.125.189.223 + launchpad.net has address 185.125.189.222 + launchpad.net has IPv6 address 2620:2d:4000:1001::8003 + launchpad.net has IPv6 address 2620:2d:4000:1001::8004 + launchpad.net mail is handled by 10 mx.launchpad.net. + +Check individual frontend +========================= + +.. code-block:: shell-session + + $ curl --resolve launchpad.net:443:185.125.189.222 https://launchpad.net/ + + +Further information +=================== + +https://everything.curl.dev/usingcurl/connections/name#provide-a-custom-ip-address-for-a-name diff --git a/doc/how-to/index.rst b/doc/how-to/index.rst index 9bdff11..80a4c6d 100644 --- a/doc/how-to/index.rst +++ b/doc/how-to/index.rst @@ -46,3 +46,4 @@ Operating Canonical's instances resurrect-dogfood restarting-services-on-dogfood deploying-configuration-changes + checking-availability-of-launchpad-frontends
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