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Merge pull request #8456 from drinkcat/cicd-utmp

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.github/workflows/CICD.yml: Create a fully fake utmp
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Sylvestre Ledru
2025-08-09 16:49:13 +02:00
committed by GitHub
parent 31a9d329f6 730d7d8c7a
commit f7ad1eed25
1 changed files with 14 additions and 10 deletions
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.github/workflows/CICD.yml
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@@ -718,11 +718,13 @@ jobs:
sudo apt-get -y update
sudo apt-get -y install libselinux1-dev
# pinky is a tool to show logged-in users from utmp, and gecos fields from /etc/passwd.
# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands. The account also has empty gecos fields.
# To work around this for pinky tests, we create a fake login entry for the GH runner account...
FAKE_UTMP='[7] [999999] [tty2] [runner] [tty2] [] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
# ... by dumping the login records, adding our fake line, then reverse dumping ...
(utmpdump /var/run/utmp ; echo $FAKE_UTMP) | sudo utmpdump -r -o /var/run/utmp
# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands, and "system boot" entry is missing.
# The account also has empty gecos fields.
# To work around these issues for pinky (and who) tests, we create a fake utmp file with a
# system boot entry and a login entry for the GH runner account.
FAKE_UTMP_2='[2] [00000] [~~ ] [reboot] [~ ] [6.0.0-test] [0.0.0.0] [2022-02-22T22:11:22,222222+00:00]'
FAKE_UTMP_7='[7] [999999] [tty2] [runner] [tty2] [ ] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
(echo "$FAKE_UTMP_2" ; echo "$FAKE_UTMP_7") | sudo utmpdump -r -o /var/run/utmp
# ... and add a full name to each account with a gecos field but no full name.
sudo sed -i 's/:,/:runner name,/' /etc/passwd
# We also create a couple optional files pinky looks for
@@ -1090,11 +1092,13 @@ jobs:
ubuntu-latest)
sudo apt-get -y update ; sudo apt-get -y install libselinux1-dev
# pinky is a tool to show logged-in users from utmp, and gecos fields from /etc/passwd.
# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands. The account also has empty gecos fields.
# To work around this for pinky tests, we create a fake login entry for the GH runner account...
FAKE_UTMP='[7] [999999] [tty2] [runner] [tty2] [] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
# ... by dumping the login records, adding our fake line, then reverse dumping ...
(utmpdump /var/run/utmp ; echo $FAKE_UTMP) | sudo utmpdump -r -o /var/run/utmp
# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands, and "system boot" entry is missing.
# The account also has empty gecos fields.
# To work around these issues for pinky (and who) tests, we create a fake utmp file with a
# system boot entry and a login entry for the GH runner account.
FAKE_UTMP_2='[2] [00000] [~~ ] [reboot] [~ ] [6.0.0-test] [0.0.0.0] [2022-02-22T22:11:22,222222+00:00]'
FAKE_UTMP_7='[7] [999999] [tty2] [runner] [tty2] [ ] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
(echo "$FAKE_UTMP_2" ; echo "$FAKE_UTMP_7") | sudo utmpdump -r -o /var/run/utmp
# ... and add a full name to each account with a gecos field but no full name.
sudo sed -i 's/:,/:runner name,/' /etc/passwd
# We also create a couple optional files pinky looks for