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Reduce and simplify number of exported variables. Also allow any cert file to 

append to previous file.
pull/586/head
David Kerr 8 years ago
parent
e925ab0999
commit
68d708e56d
2 changed files with 58 additions and 81 deletions
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  1. 33
      deploy/README.md
  2. 106
      deploy/ssh.sh

33
deploy/README.md
View File

@ -42,15 +42,13 @@ export ACME_DEPLOY_SSH_USER="admin"
```
Optional...
```bash
export ACME_DEPLOY_SSH_CMD=""
export ACME_DEPLOY_SSH_SERVER="qnap"
export ACME_DEPLOY_SSH_PORT="22"
export ACME_DEPLOY_SSH_SERVICE_STOP=""
export ACME_DEPLOY_SSH_KEYFILE="/etc/stunnel/stunnel.pem"
export ACME_DEPLOY_SSH_CERTFILE="/etc/stunnel/stunnel.pem"
export ACME_DEPLOY_SSH_CAFILE="/etc/stunnel/uca.pem"
export ACME_DEPLOY_SSH_FULLCHAIN=""
export ACME_DEPLOY_SSH_REMOTE_CMD="/etc/init.d/stunnel.sh restart"
export ACME_DEPLOY_SSH_SERVICE_START=""
```
The values used above are illustrative only and represent those that could
be used to deploy certificates to a QNAP NAS device running QTS 4.2
@ -64,16 +62,13 @@ can login to USER@URL from the host running acme.sh before using this script.
The USER@URL at the remote server must also have has permissions to write to
the target location of the certificate files and to execute any commands
(e.g. to stop/start services).
###ACME_DEPLOY_SSH_CMD
You can customize the ssh command used to connect to the remote host. For example
if you need to connect to a specific port at the remote server you can set this
to, for example, "ssh -p 22"
###ACME_DEPLOY_SSH_SERVER
URL or IP Address of the remote server. If not provided then the domain
name provided on the acme.sh --deploy command line is used.
###ACME_DEPLOY_SSH_PORT
Port number that SSH will attempt to connect to at the remote server. If
not provided then defaults to 22.
###ACME_DEPLOY_SSH_SERVICE_STOP
Command to execute on the remote server prior to copying any certificates. This
would typically be used to stop the service for which the certificates are
being deployed.
###ACME_DEPLOY_SSH_KEYFILE
Target filename for the private key issued by LetsEncrypt.
###ACME_DEPLOY_SSH_CERTFILE
@ -82,22 +77,18 @@ is the same as that provided for ACME_DEPLOY_SSH_KEYFILE then this certificate
is appended to the same file as the private key.
###ACME_DEPLOY_SSH_CAFILE
Target filename for the CA intermediate certificate issued by LetsEncrypt.
If this is the same as a previous filename then it is appended to the same
file
###ACME_DEPLOY_SSH_FULLCHAIN
Target filename for the fullchain certificate issued by LetsEncrypt.
If this is the same as a previous filename then it is appended to the same
file
###ACME_DEPLOY_SSH_REMOTE_CMD
Command to execute on the remote server after copying any certificates. This
could be any additional command required prior to starting the service again,
or could be a all-inclusive restart (stop and start of service). If
ACME_DEPLOY_SSH_SERVICE_STOP value was provided then a 2 second sleep is
inserted prior to calling this command to allow the system to stabalize.
###ACME_DEPLOY_SSH_SERVICE_START
Command to execute on the remote server after copying any certificates. This
would typically be used to stop the service for which the certificates are
being deployed. If ACME_DEPLOY_SSH_SERVICE_STOP or ACME_DEPLOY_SSH_REMOTE_CMD
values were provided then a 2 second sleep is inserted prior to calling
this command to allow the system to stabalize.
could be any additional command required for example to stop and restart
the service.
##Backups
###Backups
Before writing a certificate file to the remote server the existing
certificate will be copied to a backup directory on the remote server.
These are placed in a hidden directory in the home directory of the SSH

106
deploy/ssh.sh
View File

@ -12,16 +12,14 @@
# Only a username is required. All others are optional.
#
# The following examples are for QNAP NAS running QTS 4.2
# export ACME_DEPLOY_SSH_CMD=""
# export ACME_DEPLOY_SSH_USER="admin"
# export ACME_DEPLOY_SSH_SERVER="qnap"
# export ACME_DEPLOY_SSH_PORT="22"
# export ACME_DEPLOY_SSH_SERVICE_STOP=""
# export ACME_DEPLOY_SSH_KEYFILE="/etc/stunnel/stunnel.pem"
# export ACME_DEPLOY_SSH_CERTFILE="/etc/stunnel/stunnel.pem"
# export ACME_DEPLOY_SSH_CAFILE="/etc/stunnel/uca.pem"
# export ACME_DEPLOY_SSH_FULLCHAIN=""
# export ACME_DEPLOY_SSH_REMOTE_CMD="/etc/init.d/stunnel.sh restart"
# export ACME_DEPLOY_SSH_SERVICE_START=""
# export ACME_DEPLOY_SSH_REMOTE_CMD="/etc/init.d/stunnel.sh restart"
######## Public functions #####################
@ -67,26 +65,15 @@ ssh_deploy() {
Le_Deploy_ssh_server="$_cdomain"
fi
# PORT is optional. If not provided then use port 22
if [ -n "$ACME_DEPLOY_SSH_PORT" ]; then
Le_Deploy_ssh_port="$ACME_DEPLOY_SSH_PORT"
_savedomainconf Le_Deploy_ssh_port "$Le_Deploy_ssh_port"
elif [ -z "$Le_Deploy_ssh_port" ]; then
Le_Deploy_ssh_port="22"
# CMD is optional. If not provided then use ssh
if [ -n "$ACME_DEPLOY_SSH_CMD" ]; then
Le_Deploy_ssh_cmd="$ACME_DEPLOY_SSH_CMD"
_savedomainconf Le_Deploy_ssh_cmd "$Le_Deploy_ssh_cmd"
elif [ -z "$Le_Deploy_ssh_cmd" ]; then
Le_Deploy_ssh_cmd="ssh"
fi
_info "Deploy certificates to remote server $Le_Deploy_ssh_user@$Le_Deploy_ssh_server on port $Le_Deploy_ssh_port"
# SERVICE_STOP is optional.
# If provided then this command will be executed on remote host.
if [ -n "$ACME_DEPLOY_SSH_SERVICE_STOP" ]; then
Le_Deploy_ssh_service_stop="$ACME_DEPLOY_SSH_SERVICE_STOP"
_savedomainconf Le_Deploy_ssh_service_stop "$Le_Deploy_ssh_service_stop"
fi
if [ -n "$Le_Deploy_ssh_service_stop" ]; then
_cmdstr="$_cmdstr $Le_Deploy_ssh_service_stop ;"
_info "Will stop remote service with command $Le_Deploy_ssh_service_stop"
fi
_info "Deploy certificates to remote server $Le_Deploy_ssh_user@$Le_Deploy_ssh_server"
# KEYFILE is optional.
# If provided then private key will be copied to provided filename.
@ -110,78 +97,72 @@ ssh_deploy() {
fi
if [ -n "$Le_Deploy_ssh_certfile" ]; then
if [ "$Le_Deploy_ssh_certfile" = "$Le_Deploy_ssh_keyfile" ]; then
# if filename is same as that provided for private key then append.
_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" >> $Le_Deploy_ssh_certfile ;"
_info "will append certificate to same file"
# if filename is same as previous file then append.
_pipe=">>"
else
# backup file we are about to overwrite.
_cmdstr="$_cmdstr cp $Le_Deploy_ssh_certfile $_backupdir ;"
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" > $Le_Deploy_ssh_certfile ;"
_info "will copy certificate to remote file $Le_Deploy_ssh_certfile"
_pipe=">"
fi
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $Le_Deploy_ssh_certfile ;"
_info "will copy certificate to remote file $Le_Deploy_ssh_certfile"
fi
# CAFILE is optional.
# If provided then CA intermediate certificate will be copied to provided filename.
# If provided then CA intermediate certificate will be copied or appended to provided filename.
if [ -n "$ACME_DEPLOY_SSH_CAFILE" ]; then
Le_Deploy_ssh_cafile="$ACME_DEPLOY_SSH_CAFILE"
_savedomainconf Le_Deploy_ssh_cafile "$Le_Deploy_ssh_cafile"
fi
if [ -n "$Le_Deploy_ssh_cafile" ]; then
# backup file we are about to overwrite.
_cmdstr="$_cmdstr cp $Le_Deploy_ssh_cafile $_backupdir ;"
if [ "$Le_Deploy_ssh_cafile" = "$Le_Deploy_ssh_keyfile" ] ||
[ "$Le_Deploy_ssh_cafile" = "$Le_Deploy_ssh_certfile" ]; then
# if filename is same as previous file then append.
_pipe=">>"
else
# backup file we are about to overwrite.
_cmdstr="$_cmdstr cp $Le_Deploy_ssh_cafile $_backupdir ;"
_pipe=">"
fi
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_cca")\" > $Le_Deploy_ssh_cafile ;"
_cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $Le_Deploy_ssh_cafile ;"
_info "will copy CA file to remote file $Le_Deploy_ssh_cafile"
fi
# FULLCHAIN is optional.
# If provided then fullchain certificate will be copied to provided filename.
# If provided then fullchain certificate will be copied or appended to provided filename.
if [ -n "$ACME_DEPLOY_SSH_FULLCHAIN" ]; then
Le_Deploy_ssh_fullchain="$ACME_DEPLOY_SSH_FULLCHAIN"
_savedomainconf Le_Deploy_ssh_fullchain "$Le_Deploy_ssh_fullchain"
fi
if [ -n "$Le_Deploy_ssh_fullchain" ]; then
# backup file we are about to overwrite.
_cmdstr="$_cmdstr cp $Le_Deploy_ssh_fullchain $_backupdir ;"
if [ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_keyfile" ] ||
[ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_certfile" ] ||
[ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_cafile" ]; then
# if filename is same as previous file then append.
_pipe=">>"
else
# backup file we are about to overwrite.
_cmdstr="$_cmdstr cp $Le_Deploy_ssh_fullchain $_backupdir ;"
_pipe=">"
fi
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" > $Le_Deploy_ssh_fullchain ;"
_info "will copy full chain to remote file $Le_Deploy_ssh_fullchain"
_cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $Le_Deploy_ssh_fullchain ;"
_info "will copy fullchain to remote file $Le_Deploy_ssh_fullchain"
fi
# REMOTE_CMD is optional.
# If provided then this command will be executed on remote host.
# A 2 second delay is inserted to allow system to stabalize after
# executing a service stop.
if [ -n "$ACME_DEPLOY_SSH_REMOTE_CMD" ]; then
Le_Deploy_ssh_remote_cmd="$ACME_DEPLOY_SSH_REMOTE_CMD"
_savedomainconf Le_Deploy_ssh_remote_cmd "$Le_Deploy_ssh_remote_cmd"
fi
if [ -n "$Le_Deploy_ssh_remote_cmd" ]; then
if [ -n "$Le_Deploy_ssh_service_stop" ]; then
_cmdstr="$_cmdstr sleep 2 ;"
fi
_cmdstr="$_cmdstr $Le_Deploy_ssh_remote_cmd ;"
_info "Will execute remote command $Le_Deploy_ssh_remote_cmd"
fi
# SERVICE_START is optional.
# If provided then this command will be executed on remote host.
# A 2 second delay is inserted to allow system to stabalize after
# executing a service stop or previous command.
if [ -n "$ACME_DEPLOY_SSH_SERVICE_START" ]; then
Le_Deploy_ssh_service_start="$ACME_DEPLOY_SSH_SERVICE_START"
_savedomainconf Le_Deploy_ssh_service_start "$Le_Deploy_ssh_service_start"
fi
if [ -n "$Le_Deploy_ssh_service_start" ]; then
if [ -n "$Le_Deploy_ssh_service_stop" ] || [ -n "$Le_Deploy_ssh_remote_cmd" ]; then
_cmdstr="$_cmdstr sleep 2 ;"
fi
_cmdstr="$_cmdstr $Le_Deploy_ssh_service_start ;"
_info "Will start remote service with command $Le_Deploy_ssh_remote_cmd"
fi
if [ -z "$_cmdstr" ]; then
_err "No remote commands to excute. Failed to deploy certificates to remote server"
return 1
@ -199,7 +180,12 @@ ssh_deploy() {
_info "Submitting sequence of commands to remote server by ssh"
# quotations in bash cmd below intended. Squash travis spellcheck error
# shellcheck disable=SC2029
ssh -T -p "$Le_Deploy_ssh_port" "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmdstr'"
$Le_Deploy_ssh_cmd -T "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmdstr'"
_ret="$?"
if [ "$_ret" != "0" ]; then
_err "Error code $_ret returned from $Le_Deploy_ssh_cmd"
fi
return $?
return $_ret
}
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