Installation ansible error

[shoufuzhang]

Describe the bug
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

Report an error after executing the above statement

pip install -r requirements.txt

ERROR: Could not find a version that satisfies the requirement ansible==7.0.0 (from -r requirements.txt (line 1)) (from versions: 1.0, 1.1, 1.2, 1.2.1, 1.2.2, 1.2.3, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.4, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.5, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.6, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.6.10, 1.7, 1.7.1, 1.7.2, 1.8, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.9.0.1, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6, 2.0.0.0, 2.0.0.1, 2.0.0.2, 2.0.1.0, 2.0.2.0, 2.1.0.0, 2.1.1.0, 2.1.2.0, 2.1.3.0, 2.1.4.0, 2.1.5.0, 2.1.6.0, 2.2.0.0, 2.2.1.0, 2.2.2.0, 2.2.3.0, 2.3.0.0, 2.3.1.0, 2.3.2.0, 2.3.3.0, 2.4.0.0, 2.4.1.0, 2.4.2.0, 2.4.3.0, 2.4.4.0, 2.4.5.0, 2.4.6.0, 2.5.0a1, 2.5.0b1, 2.5.0b2, 2.5.0rc1, 2.5.0rc2, 2.5.0rc3, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, 2.5.6, 2.5.7, 2.5.8, 2.5.9, 2.5.10, 2.5.11, 2.5.12, 2.5.13, 2.5.14, 2.5.15, 2.6.0a1, 2.6.0a2, 2.6.0rc1, 2.6.0rc2, 2.6.0rc3, 2.6.0rc4, 2.6.0rc5, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.16, 2.6.17, 2.6.18, 2.6.19, 2.6.20, 2.7.0.dev0, 2.7.0a1, 2.7.0b1, 2.7.0rc1, 2.7.0rc2, 2.7.0rc3, 2.7.0rc4, 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7, 2.7.8, 2.7.9, 2.7.10, 2.7.11, 2.7.12, 2.7.13, 2.7.14, 2.7.15, 2.7.16, 2.7.17, 2.7.18, 2.8.0a1, 2.8.0b1, 2.8.0rc1, 2.8.0rc2, 2.8.0rc3, 2.8.0, 2.8.1, 2.8.2, 2.8.3, 2.8.4, 2.8.5, 2.8.6, 2.8.7, 2.8.8, 2.8.9, 2.8.10, 2.8.11, 2.8.12, 2.8.13, 2.8.14, 2.8.15, 2.8.16rc1, 2.8.16, 2.8.17rc1, 2.8.17, 2.8.18rc1, 2.8.18, 2.8.19rc1, 2.8.19, 2.8.20rc1, 2.8.20, 2.9.0b1, 2.9.0rc1, 2.9.0rc2, 2.9.0rc3, 2.9.0rc4, 2.9.0rc5, 2.9.0, 2.9.1, 2.9.2, 2.9.3, 2.9.4, 2.9.5, 2.9.6, 2.9.7, 2.9.8, 2.9.9, 2.9.10, 2.9.11, 2.9.12, 2.9.13, 2.9.14rc1, 2.9.14, 2.9.15rc1, 2.9.15, 2.9.16rc1, 2.9.16, 2.9.17rc1, 2.9.17, 2.9.18rc1, 2.9.18, 2.9.19rc1, 2.9.19, 2.9.20rc1, 2.9.20, 2.9.21rc1, 2.9.21, 2.9.22rc1, 2.9.22, 2.9.23rc1, 2.9.23, 2.9.24rc1, 2.9.24, 2.9.25rc1, 2.9.25, 2.9.26rc1, 2.9.26, 2.9.27rc1, 2.9.27, 2.10.0a1, 2.10.0a2, 2.10.0a3, 2.10.0a4, 2.10.0a5, 2.10.0a6, 2.10.0a7, 2.10.0a8, 2.10.0a9, 2.10.0b1, 2.10.0b2, 2.10.0rc1, 2.10.0, 2.10.1, 2.10.2, 2.10.3, 2.10.4, 2.10.5, 2.10.6, 2.10.7, 3.0.0b1, 3.0.0rc1, 3.0.0, 3.1.0, 3.2.0, 3.3.0, 3.4.0, 4.0.0a1, 4.0.0a2, 4.0.0a3, 4.0.0a4, 4.0.0b1, 4.0.0b2, 4.0.0rc1, 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, 4.9.0, 4.10.0, 5.0.0a1, 5.0.0a2, 5.0.0a3, 5.0.0b1, 5.0.0b2, 5.0.0rc1, 5.0.1, 5.1.0, 5.2.0, 5.3.0, 5.4.0, 5.5.0, 5.6.0, 5.7.0, 5.7.1, 5.8.0, 5.9.0, 5.10.0, 6.0.0a1, 6.0.0a2, 6.0.0a3, 6.0.0b1, 6.0.0b2, 6.0.0rc1, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.4.0, 6.5.0, 6.6.0, 6.7.0, 9.0.0a1, 9.0.0a2, 9.0.0a3, 9.0.0b1, 9.0.0rc1, 9.0.0)
ERROR: No matching distribution found for ansible==7.0.0 (from -r requirements.txt (line 1))

cat /etc/issue

Ubuntu 20.04.6 LTS \n \l

[shoufuzhang]

I checked that the precondition for installing ansible version 7.0.0 is python > 3.9; However, the python version we are using is 3.8.10

[tguisep]

Hello,

Try to rollback the file [optscale-deploy/requirements.txt]
(tguisep@99d8698#diff-94de2f2a2862f02e0ef3cce9eaf6b29075c05fc3fd0a60ab23726aa7f7971ad4)

I had similar issues.

But, you can run ansible playbook from your laptop(updated), not the server Ubuntu 20.04.

[v-hx]

@shoufuzhang, we have verified that the issue exists on our end too.
Please see the README and try again with the updated instructions:

Please note that the virtual environment preparation step has been updated as well: