On Wed, Jun 25, 2014 at 9:07 AM, Wangpan <hzwang...@corp.netease.com> wrote: > > Hi all, > > I debug the process of libvirt admin password injection, I found everything is OK before the instance is booting up, > the /etc/shadow is modified normally, such as: > Wangpan@10-120-120-7:/tmp/openstack-vfs-localfsX_J5ke/etc$ sudo cat shadow > root:$1$n1j7WavS$FYuXUja3LSUvwOT8yqyt2/:15822:0:99999:7::: > daemon:*:15822:0:99999:7::: > bin:*:15822:0:99999:7::: > ... > > but after the instance is running up, I login it by ssh+keypair, I cat this file again, it is changed like this: > root@t1:~# cat /etc/shadow > root:!$1$n1j7WavS$FYuXUja3LSUvwOT8yqyt2/:15822:0:99999:7::: > daemon:*:15822:0:99999:7::: > bin:*:15822:0:99999:7::: > > the difference is: > root:$1$n1j7WavS$FYuXUja3LSUvwOT8yqyt2/:15822:0:99999:7::: (before running up) > root:!$1$n1j7WavS$FYuXUja3LSUvwOT8yqyt2/:15822:0:99999:7::: (after running up) > you can find that a '!' prefix is added to the encrypted password, if I remove it, then I can login the instance by VNC successfully! > I don't know what happened? anyone can help me?
What image is this? Probably cloud-init locking the root password. Check /etc/cloud/cloud.cfg for: lock_passwd: True ...Juerg > thanks! > > > 2014-06-25 14:57 (UTC+8) > Wangpan > > ----- Original Message ----- > > From: CôngTT <tcvn1...@gmail.com> > > To: "Thang Pham"<thang.g.p...@gmail.com> > > Sent: 2014-06-25 12:21 > > Subject: Re: [Openstack] [Nova] Admin pass injection in launch libvirt/kvm instance > > Hi Thang Pham and all ! > > I am using KVM on OpenStack Havana , OpenStack Icehouse , And inject admin password OK. SURE 100% > > > Step 1 : Edit /etc/nova/nova.conf > > [DEFAULT ] > .... > > libvirt_inject_password=True > enable_instance_password = True > > > Step 22: > If you use image cirros, ubuntu .... downloading from Internet, then you will modify /etc/ssh/sshd_config to disable authentication private key (rsa): (Example Ubuntu 13.10) > > > #Line 15 Un-comment > UsePrivilegeSeparation yes > > #Line 30: Comment 30 > #RSAAuthentication no > > #Line 31 > PubkeyAuthentication no > > #Line 51 > PasswordAuthentication yes > > > > Besides, You can create image for GLANCE by yourself. > > Note: On KVM not support reset password. You can see https://wiki.openstack.org/wiki/HypervisorSupportMatrix > > Good luck for U ! > > P/S: Thắng: Tính năng này là tính năng chèn password ngay khi khởi tạo máy, mình thực hiện tốt trên KVM > > tu0ng_c0ng > > On Wed, Jun 25, 2014 at 10:48 AM, Thang Pham <thang.g.p...@gmail.com> wrote: >> >> Hi Wangpan, >> >> Injecting admin password is not implemented or supported in libvirt/kvm. I believe only Xen supports it. >> >> Regards, >> Thang >> >> >> On Tue, Jun 24, 2014 at 11:36 PM, Wangpan <hzwang...@corp.netease.com> wrote: >>> >>> Hi all, >>> >>> I want to inject admin password to a libvirt/kvm instance, and I enable the config libvirt_inject_password=true on the compute node, >>> I also find the /etc/shadow file in the instance is changed, but when I use the adminPass to login the instance from vnc, it is failed. >>> I find that the admin password is encrypted in nova/virt/disk/api.py:_set_password() method, >>> evenif I encrypt my adminPass and replace the root password in /etc/shadow manually, I can't login the instance with vnc. >>> >>> My questions are: >>> 1) Does this admin password injection function of libvirt driver useable? In other words, my issue is a bug or not? >>> 2) Are there some special details I was losing sight of? such as any configs should change? >>> 3) Is this function depends on the libc version? >>> >>> BTW, I'm using stable havana and booting a debian7 instance, and this is the admin guide page of this function: >>> http://docs.openstack.org/admin-guide-cloud/content/admin-password-injection.html >>> >>> thanks! >>> >>> 2014-06-25 11:16 (UTC+8) >>> Wangpan >>> >>> _______________________________________________ >>> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> Post to : openstack@lists.openstack.org >>> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> >> >> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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