Merge pull request #2749 from dkerr64/ssh-deploy

Updates to ssh_deploy hook
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neil 2020-04-12 13:58:44 +08:00 committed by GitHub
commit b6fbb012ad
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@ -12,7 +12,7 @@
# Only a username is required. All others are optional.
#
# The following examples are for QNAP NAS running QTS 4.2
# export DEPLOY_SSH_CMD="" # defaults to ssh
# export DEPLOY_SSH_CMD="" # defaults to "ssh -T"
# export DEPLOY_SSH_USER="admin" # required
# export DEPLOY_SSH_SERVER="qnap" # defaults to domain name
# export DEPLOY_SSH_KEYFILE="/etc/stunnel/stunnel.pem"
@ -20,7 +20,9 @@
# export DEPLOY_SSH_CAFILE="/etc/stunnel/uca.pem"
# export DEPLOY_SSH_FULLCHAIN=""
# export DEPLOY_SSH_REMOTE_CMD="/etc/init.d/stunnel.sh restart"
# export DEPLOY_SSH_BACKUP="" # yes or no, default to yes
# export DEPLOY_SSH_BACKUP="" # yes or no, default to yes or previously saved value
# export DEPLOY_SSH_BACKUP_PATH=".acme_ssh_deploy" # path on remote system. Defaults to .acme_ssh_deploy
# export DEPLOY_SSH_MULTI_CALL="" # yes or no, default to no or previously saved value
#
######## Public functions #####################
@ -31,10 +33,10 @@ ssh_deploy() {
_ccert="$3"
_cca="$4"
_cfullchain="$5"
_err_code=0
_cmdstr=""
_homedir='~'
_backupprefix="$_homedir/.acme_ssh_deploy/$_cdomain-backup"
_backupdir="$_backupprefix-$(_utc_date | tr ' ' '-')"
_backupprefix=""
_backupdir=""
if [ -f "$DOMAIN_CONF" ]; then
# shellcheck disable=SC1090
@ -71,18 +73,62 @@ ssh_deploy() {
Le_Deploy_ssh_cmd="$DEPLOY_SSH_CMD"
_savedomainconf Le_Deploy_ssh_cmd "$Le_Deploy_ssh_cmd"
elif [ -z "$Le_Deploy_ssh_cmd" ]; then
Le_Deploy_ssh_cmd="ssh"
Le_Deploy_ssh_cmd="ssh -T"
fi
# BACKUP is optional. If not provided then default to yes
# BACKUP is optional. If not provided then default to previously saved value or yes.
if [ "$DEPLOY_SSH_BACKUP" = "no" ]; then
Le_Deploy_ssh_backup="no"
elif [ -z "$Le_Deploy_ssh_backup" ]; then
elif [ -z "$Le_Deploy_ssh_backup" ] || [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
Le_Deploy_ssh_backup="yes"
fi
_savedomainconf Le_Deploy_ssh_backup "$Le_Deploy_ssh_backup"
# BACKUP_PATH is optional. If not provided then default to previously saved value or .acme_ssh_deploy
if [ -n "$DEPLOY_SSH_BACKUP_PATH" ]; then
Le_Deploy_ssh_backup_path="$DEPLOY_SSH_BACKUP_PATH"
elif [ -z "$Le_Deploy_ssh_backup_path" ]; then
Le_Deploy_ssh_backup_path=".acme_ssh_deploy"
fi
_savedomainconf Le_Deploy_ssh_backup_path "$Le_Deploy_ssh_backup_path"
# MULTI_CALL is optional. If not provided then default to previously saved
# value (which may be undefined... equivalent to "no").
if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
Le_Deploy_ssh_multi_call="yes"
_savedomainconf Le_Deploy_ssh_multi_call "$Le_Deploy_ssh_multi_call"
elif [ "$DEPLOY_SSH_MULTI_CALL" = "no" ]; then
Le_Deploy_ssh_multi_call=""
_cleardomainconf Le_Deploy_ssh_multi_call
fi
_info "Deploy certificates to remote server $Le_Deploy_ssh_user@$Le_Deploy_ssh_server"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
_info "Using MULTI_CALL mode... Required commands sent in multiple calls to remote host"
else
_info "Required commands batched and sent in single call to remote host"
fi
if [ "$Le_Deploy_ssh_backup" = "yes" ]; then
_backupprefix="$Le_Deploy_ssh_backup_path/$_cdomain-backup"
_backupdir="$_backupprefix-$(_utc_date | tr ' ' '-')"
# run cleanup on the backup directory, erase all older
# than 180 days (15552000 seconds).
_cmdstr="{ now=\"\$(date -u +%s)\"; for fn in $_backupprefix*; \
do if [ -d \"\$fn\" ] && [ \"\$(expr \$now - \$(date -ur \$fn +%s) )\" -ge \"15552000\" ]; \
then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; done; }; $_cmdstr"
# Alternate version of above... _cmdstr="find $_backupprefix* -type d -mtime +180 2>/dev/null | xargs rm -rf; $_cmdstr"
# Create our backup directory for overwritten cert files.
_cmdstr="mkdir -p $_backupdir; $_cmdstr"
_info "Backup of old certificate files will be placed in remote directory $_backupdir"
_info "Backup directories erased after 180 days."
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
# KEYFILE is optional.
# If provided then private key will be copied to provided filename.
@ -98,6 +144,12 @@ ssh_deploy() {
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_ckey")\" > $Le_Deploy_ssh_keyfile;"
_info "will copy private key to remote file $Le_Deploy_ssh_keyfile"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
# CERTFILE is optional.
@ -118,6 +170,12 @@ ssh_deploy() {
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $Le_Deploy_ssh_certfile;"
_info "will copy certificate to remote file $Le_Deploy_ssh_certfile"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
# CAFILE is optional.
@ -139,6 +197,12 @@ ssh_deploy() {
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $Le_Deploy_ssh_cafile;"
_info "will copy CA file to remote file $Le_Deploy_ssh_cafile"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
# FULLCHAIN is optional.
@ -161,6 +225,12 @@ ssh_deploy() {
# copy new certificate into file.
_cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $Le_Deploy_ssh_fullchain;"
_info "will copy fullchain to remote file $Le_Deploy_ssh_fullchain"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
# REMOTE_CMD is optional.
@ -172,34 +242,36 @@ ssh_deploy() {
if [ -n "$Le_Deploy_ssh_remote_cmd" ]; then
_cmdstr="$_cmdstr $Le_Deploy_ssh_remote_cmd;"
_info "Will execute remote command $Le_Deploy_ssh_remote_cmd"
if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
_cmdstr=""
fi
fi
if [ -z "$_cmdstr" ]; then
_err "No remote commands to excute. Failed to deploy certificates to remote server"
return 1
elif [ "$Le_Deploy_ssh_backup" = "yes" ]; then
# run cleanup on the backup directory, erase all older
# than 180 days (15552000 seconds).
_cmdstr="{ now=\"\$(date -u +%s)\"; for fn in $_backupprefix*; \
do if [ -d \"\$fn\" ] && [ \"\$(expr \$now - \$(date -ur \$fn +%s) )\" -ge \"15552000\" ]; \
then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; done; }; $_cmdstr"
# Alternate version of above... _cmdstr="find $_backupprefix* -type d -mtime +180 2>/dev/null | xargs rm -rf; $_cmdstr"
# Create our backup directory for overwritten cert files.
_cmdstr="mkdir -p $_backupdir; $_cmdstr"
_info "Backup of old certificate files will be placed in remote directory $_backupdir"
_info "Backup directories erased after 180 days."
# if commands not all sent in multiple calls then all commands sent in a single SSH call now...
if [ -n "$_cmdstr" ]; then
if ! _ssh_remote_cmd "$_cmdstr"; then
return $_err_code
fi
fi
return 0
}
_secure_debug "Remote commands to execute: " "$_cmdstr"
#cmd
_ssh_remote_cmd() {
_cmd="$1"
_secure_debug "Remote commands to execute: $_cmd"
_info "Submitting sequence of commands to remote server by ssh"
# quotations in bash cmd below intended. Squash travis spellcheck error
# shellcheck disable=SC2029
$Le_Deploy_ssh_cmd -T "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmdstr'"
_ret="$?"
$Le_Deploy_ssh_cmd "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmd'"
_err_code="$?"
if [ "$_ret" != "0" ]; then
_err "Error code $_ret returned from $Le_Deploy_ssh_cmd"
if [ "$_err_code" != "0" ]; then
_err "Error code $_err_code returned from ssh"
fi
return $_ret
return $_err_code
}