rsync: host key verification failed
Dear Weewx users.
I'm trying to send files generated by Weewx to external webserver (paid
hosting) with rsync. I'm familiar with rsync, ssh and Linux. Weewx is
running on Raspberry Pi as 'pi' user. Here are my configs:
/home/pi/.ssh/config
Host CF
# HostName external.domain.com <- here of course is real web address
HostName 10.20.30.40 <- here of course is real IP
Port 222
User acetone <- this is my username on remote webserver (hosting)
/etc/weewx/weewx.conf
(...)
[[RSYNC]]
# rsync'ing to a webserver is treated as just another report
skin = Rsync
# If you wish to use rsync, you must configure passwordless ssh
using
# public/private key authentication from the user account that weewx
# runs to the user account on the remote machine where the files
# will be copied.
#
# If you wish to use rsync, set "enable" to "true", then
# fill out server, user, and path.
# The server should appear in your .ssh/config file.
# The user is the username used in the identity file.
# The path is the destination directory, such as
/var/www/html/weather.
# Be sure that the user has write permissions on the destination!
enable = true
server = external.domain.com
port = 222
user = acetone
path = domains/external.domain.com/private_html/meteo/
# To upload files from something other than what HTML_ROOT is set
# to above, specify a different HTML_ROOT here.
#HTML_ROOT = /var/www/html/weewx
# Rsync can be configured to remove files from the remote server if
# they don't exist under HTML_ROOT locally. USE WITH CAUTION: if you
# make a mistake in the remote path, you could could unintentionally
# cause unrelated files to be deleted. Set to 1 to enable remote
file
# deletion, zero to allow files to accumulate remotely.
delete = 0
(...)
I can log in to external server with ssh (passwordless) with command:
$ ssh -p 222 [email protected]
or just
$ ssh CF <- this is host from .ssh/config
I got error message from weewx:
Jul 20 21:36:04 WeewxFR24 weewx[28079] DEBUG weeutil.rsyncupload:
rsyncupload: cmd: [['rsync', '--archive', '--stats', '-e', 'ssh -p 222',
'/var/www/html/weewx/',
'[email protected]:~/domains/external.domain.com/private_html/meteo']]
Jul 20 21:36:04 WeewxFR24 weewx[28079] ERROR weeutil.rsyncupload: rsync
reported errors. Original command: ['rsync', '--archive', '--stats', '-e',
'ssh -p 222', '/var/www/html/weewx/',
'[email protected]:~/domains/external.domain.com/private_html/meteo']
Jul 20 21:36:04 WeewxFR24 weewx[28079] ERROR weeutil.rsyncupload: **** Host
key verification failed.
Jul 20 21:36:04 WeewxFR24 weewx[28079] ERROR weeutil.rsyncupload: ****
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
Jul 20 21:36:04 WeewxFR24 weewx[28079] ERROR weeutil.rsyncupload: ****
rsync error: unexplained error (code 255) at io.c(235) [sender=3.1.3]
I can send single file or whole directory with this command applied
directly from CLI:
$ rsync --archive --stats -e 'ssh external.domain.com -p 222 -l acetone'
/var/www/html/weewx/ CF:domains/external.domain.com/private_html/meteo/
I can also send files with simpler command (no additional options for -e
ssh because they are in .ssh/config):
$ rsync --archive --stats -e ssh /var/www/html/weewx/
CF:domains/external.domain.com/private_html/meteo/
But *not* with:
rsync --archive --stats -e ssh /var/www/html/weewx/
[email protected]:domains/external.domain.com/private_html/meteo
And *not* with:
rsync --archive --stats -e ssh /var/www/html/weewx/
external.domain.com:domains/external.domain.com/private_html/meteo
As you can see, if .ssh/config is properly filled with data, it is much
simpler to 'do' rsync. But why it works when executed manually but not from
inside Weewx? Keys are valid if I can log in without password from CLI.
Maybe you could do [[RSYNC]] option more flexible and use .ssh/config?
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