#/etc/cloud/cloud.cfg runcmd: - sudo ssh-keygen -A # why My openstack data source does not take effect ? /etc/cloud/cloud.cfg.d/xxx add lines here. It would override all configuration before.
On Fri, Mar 4, 2022 at 9:42 AM luckydog xf <[email protected]> wrote: > Sorry it's my fault. There are not many 'bootcmd` in cloud.cfg. I made a > mistake. > > On Fri, Mar 4, 2022 at 9:29 AM luckydog xf <[email protected]> wrote: > >> One more question, as you can see `bootcmd` appears many times in >> cloud.cfg, like cloud-init/cloud_config/cloud_final stage. >> >> How can I run a command in a specific stage, like cloud_config ? >> >> And if I want to add datasource like openstack, I just add lines >> datasource: >> Openstack: >> metadata_urls: [ 'http://169.254.169.254:80' ] >> timeout: 5 # (defaults to 50 seconds) >> max_wait: 10 # (defaults to 120 seconds) >> >> right? >> >> >> On Fri, Mar 4, 2022 at 9:12 AM luckydog xf <[email protected]> wrote: >> >>> I added lines like >>> >>> ssh_authorized_keys: - ssh-rsa AAAAxxxx - ssh-rsa AAAxxxxx# new random >>> keys will not be generated# in addition to 'rsa' and 'dsa' as shown below, >>> 'ecdsa' is also supportedssh_keys: rsa_private: | -----BEGIN RSA >>> PRIVATE KEY----- >>> >>> in /var/lib/cloud/instance/user-data.txt and reboot it. Keys were not been >>> created. >>> >>> >>> On Thu, Mar 3, 2022 at 4:39 PM luckydog xf <[email protected]> wrote: >>> >>>> Hello, >>>> I created ubuntu 20.04 LTS image for openstack by >>>> https://docs.openstack.org/image-guide/ubuntu-image.html. >>>> There is a sysprep in the final stage which would remove MAC and >>>> ssh_host_xxx of sshd. >>>> So I have to generate a new one, othewide sshd daemon fails to >>>> start. >>>> This is cloud.cfg created by ubuntu server autoinstall. >>>> >>>> === >>>> #cloud-config >>>> disable_root: true >>>> growpart: {mode: 'off'} >>>> locale: en_US.UTF-8 >>>> power_state: {mode: reboot} >>>> preserve_hostname: true >>>> resize_rootfs: false >>>> ssh_pwauth: true >>>> timezone: Asia/Hong_Kong >>>> users: >>>> - gecos: ubuntu >>>> groups: [adm, cdrom, dip, plugdev, lxd, sudo] >>>> lock_passwd: false >>>> name: ubuntu >>>> passwd: >>>> $6$exDY1mhS4KUYCE/2$zmn9ToZwTKLhCw.b4/b.ZRTIZM30JZ4QrOQ2aOXJ8yk96xpcCof0kxKwuX1kqLG/ygbJ1f8wxED22bTL4F46P0 >>>> shell: /bin/bash >>>> === >>>> How can I generate these keys? Normally it should be generate by `sudo >>>> ssh-keygen -A' manually. >>>> >>>> One more thing, how can I use openstack user-data ? >>>> >>>
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