forked from ungleich-public/cdist
Merge branch 'fix/type/__postgres_role/implement-alter' into 'master'
__postgres_role: implement modification of roles See merge request ungleich-public/cdist!973
This commit is contained in:
commit
e854db096e
2 changed files with 226 additions and 54 deletions
|
|
@ -1,6 +1,7 @@
|
|||
#!/bin/sh
|
||||
#!/bin/sh -e
|
||||
#
|
||||
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
|
||||
# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
|
||||
#
|
||||
# This file is part of cdist.
|
||||
#
|
||||
|
|
@ -18,25 +19,133 @@
|
|||
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
|
||||
case "$("${__explorer}/os")"
|
||||
case $("${__explorer:?}/os")
|
||||
in
|
||||
netbsd)
|
||||
(netbsd)
|
||||
postgres_user='pgsql'
|
||||
;;
|
||||
openbsd)
|
||||
(openbsd)
|
||||
postgres_user='_postgresql'
|
||||
;;
|
||||
*)
|
||||
(*)
|
||||
postgres_user='postgres'
|
||||
;;
|
||||
esac
|
||||
|
||||
rolename=${__object_id:?}
|
||||
|
||||
name="$__object_id"
|
||||
|
||||
if test -n "$(su - "$postgres_user" -c "psql postgres -twAc \"SELECT 1 FROM pg_roles WHERE rolname='$name'\"")"
|
||||
psql_query() {
|
||||
su -l "${postgres_user}" -c "$(
|
||||
printf "psql -q -F '\034' -R '\036' -wAc '%s'" \
|
||||
"$(printf %s "$*" | sed "s/'/'\\\\''/g")"
|
||||
)"
|
||||
}
|
||||
|
||||
password_check_login() (
|
||||
PGPASSWORD=$(cat "${__object:?}/parameter/password"; printf .)
|
||||
PGPASSWORD=${PGPASSWORD%?.}
|
||||
export PGPASSWORD
|
||||
psql -q -w -h localhost -U "${rolename}" template1 -c '\q' >/dev/null 2>&1
|
||||
)
|
||||
|
||||
role_properties=$(
|
||||
psql_query "SELECT * FROM pg_roles WHERE rolname = '${rolename}'" \
|
||||
| awk '
|
||||
BEGIN { RS = "\036"; FS = "\034" }
|
||||
/^\([0-9]+ rows?\)/ { exit }
|
||||
NR == 1 { for (i = 1; i <= NF; i++) cols[i] = $i; next }
|
||||
NR == 2 { for (i = 1; i <= NF; i++) printf "%s=%s\n", cols[i], $i }
|
||||
'
|
||||
)
|
||||
|
||||
if test -n "${role_properties}"
|
||||
then
|
||||
echo 'present'
|
||||
# Check if the user's properties match the parameters
|
||||
for prop in login createdb createrole superuser
|
||||
do
|
||||
bool_should=$(test -f "${__object:?}/parameter/${prop}" && echo 't' || echo 'f')
|
||||
bool_is=$(
|
||||
printf '%s\n' "${role_properties}" |
|
||||
awk -F '=' -v key="${prop}" '
|
||||
BEGIN {
|
||||
if (key == "login")
|
||||
key = "canlogin"
|
||||
else if (key == "superuser")
|
||||
key = "super"
|
||||
key = "rol" key
|
||||
}
|
||||
$1 == key {
|
||||
sub(/^[^=]*=/, "")
|
||||
print
|
||||
}
|
||||
'
|
||||
)
|
||||
|
||||
test "${bool_is}" = "${bool_should}" || {
|
||||
state='different properties'
|
||||
}
|
||||
done
|
||||
|
||||
# Check password
|
||||
passwd_stored=$(
|
||||
psql_query "SELECT rolpassword FROM pg_authid WHERE rolname = '${rolename}'" \
|
||||
| awk 'BEGIN { RS = "\036" } NR == 2'
|
||||
printf .
|
||||
)
|
||||
passwd_stored=${passwd_stored%?.}
|
||||
|
||||
if test -f "${__object:?}/parameter/password"
|
||||
then
|
||||
passwd_should=$(cat "${__object:?}/parameter/password"; printf .)
|
||||
fi
|
||||
passwd_should=${passwd_should%?.}
|
||||
|
||||
if test -z "${passwd_stored}"
|
||||
then
|
||||
test -z "${passwd_should}" || state="${state:-different} password"
|
||||
elif expr "${passwd_stored}" : 'SCRAM-SHA-256\$.*$' >/dev/null
|
||||
then
|
||||
# SCRAM-SHA-256 "encrypted" password
|
||||
# NOTE: There is currently no easy way to check SCRAM passwords without
|
||||
# logging in
|
||||
password_check_login || state="${state:-different} password"
|
||||
elif expr "${passwd_stored}" : 'md5[0-9a-f]\{32\}$' >/dev/null
|
||||
then
|
||||
# MD5 "encrypted" password
|
||||
if command -v md5sum >/dev/null 2>&1
|
||||
then
|
||||
should_md5=$(
|
||||
printf '%s%s' "${passwd_should}" "${rolename}" \
|
||||
| md5sum - | sed -e 's/[^0-9a-f]*$//')
|
||||
elif command -v gmd5sum >/dev/null 2>&1
|
||||
then
|
||||
should_md5=$(
|
||||
printf '%s%s' "${passwd_should}" "${rolename}" \
|
||||
| gmd5sum - | sed -e 's/[^0-9a-f]*$//')
|
||||
elif command -v openssl >/dev/null 2>&1
|
||||
then
|
||||
should_md5=$(
|
||||
printf '%s%s' "${passwd_should}" "${rolename}" \
|
||||
| openssl dgst -md5 | sed 's/^.* //')
|
||||
fi
|
||||
|
||||
if test -n "${should_md5}"
|
||||
then
|
||||
test "${passwd_stored}" = "md5${should_md5}" \
|
||||
|| state="${state:-different} password"
|
||||
else
|
||||
password_check_login || state="${state:-different} password"
|
||||
fi
|
||||
else
|
||||
# unencrypted password (unsupported since PostgreSQL 10)
|
||||
test "${passwd_stored}" = "${passwd_should}" \
|
||||
|| state="${state:-different} password"
|
||||
fi
|
||||
|
||||
test -n "${state}" || state='present'
|
||||
else
|
||||
echo 'absent'
|
||||
state='absent'
|
||||
fi
|
||||
|
||||
echo "${state}"
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
#!/bin/sh -e
|
||||
#
|
||||
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
|
||||
# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
|
||||
#
|
||||
# This file is part of cdist.
|
||||
#
|
||||
|
|
@ -18,48 +19,110 @@
|
|||
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
|
||||
case "$(cat "${__global}/explorer/os")"
|
||||
quote() {
|
||||
if test $# -gt 0
|
||||
then
|
||||
printf '%s' "$*"
|
||||
else
|
||||
cat -
|
||||
fi | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/'/"
|
||||
}
|
||||
|
||||
case $(cat "${__global:?}/explorer/os")
|
||||
in
|
||||
netbsd)
|
||||
(netbsd)
|
||||
postgres_user='pgsql'
|
||||
;;
|
||||
openbsd)
|
||||
(openbsd)
|
||||
postgres_user='_postgresql'
|
||||
;;
|
||||
*)
|
||||
(*)
|
||||
postgres_user='postgres'
|
||||
;;
|
||||
esac
|
||||
|
||||
|
||||
name="$__object_id"
|
||||
state_is="$(cat "$__object/explorer/state")"
|
||||
state_should="$(cat "$__object/parameter/state")"
|
||||
rolename=${__object_id:?}
|
||||
state_is=$(cat "${__object:?}/explorer/state")
|
||||
state_should=$(cat "${__object:?}/parameter/state")
|
||||
|
||||
[ "$state_is" = "$state_should" ] && exit 0
|
||||
if test "${state_is}" = "${state_should}"
|
||||
then
|
||||
exit 0
|
||||
fi
|
||||
|
||||
case "$state_should" in
|
||||
present)
|
||||
if [ -f "$__object/parameter/password" ]; then
|
||||
password="$(cat "$__object/parameter/password")"
|
||||
psql_query() {
|
||||
printf 'su -l %s -c %s\n' \
|
||||
"$(quote "${postgres_user}")" \
|
||||
"$(quote "psql postgres -q -w -c $(quote "$1")")"
|
||||
}
|
||||
|
||||
psql_set_password() {
|
||||
# NOTE: Always make sure that the password does not end up in psql_history!
|
||||
# NOTE: Never set an empty string as the password, because they can be
|
||||
# interpreted differently by different tooling.
|
||||
if test -s "${__object:?}/parameter/password"
|
||||
then
|
||||
cat <<-EOF
|
||||
exec 3< "\${__object:?}/parameter/password"
|
||||
su -l '${postgres_user}' -c 'psql -q -w postgres' <<'SQL'
|
||||
\set HISTFILE /dev/null
|
||||
\set pw \`cat <&3\`
|
||||
ALTER ROLE "${rolename}" WITH PASSWORD :'pw';
|
||||
SQL
|
||||
exec 3<&-
|
||||
EOF
|
||||
else
|
||||
psql_query "ALTER ROLE \"${rolename}\" WITH PASSWORD NULL;"
|
||||
fi
|
||||
booleans=""
|
||||
for boolean in login createdb createrole superuser; do
|
||||
if [ ! -f "$__object/parameter/$boolean" ]; then
|
||||
boolean="no${boolean}"
|
||||
fi
|
||||
upper=$(echo $boolean | tr '[:lower:]' '[:upper:]')
|
||||
booleans="$booleans $upper"
|
||||
}
|
||||
|
||||
role_properties_should() {
|
||||
_props=
|
||||
for _prop in login createdb createrole superuser
|
||||
do
|
||||
_props="${_props}${_props:+ }$(
|
||||
if test -f "${__object:?}/parameter/${_prop}"
|
||||
then
|
||||
echo "${_prop}"
|
||||
else
|
||||
echo "no${_prop}"
|
||||
fi \
|
||||
| tr '[:lower:]' '[:upper:]')"
|
||||
done
|
||||
printf '%s\n' "${_props}"
|
||||
unset _prop _props
|
||||
}
|
||||
|
||||
[ -n "$password" ] && password="PASSWORD '$password'"
|
||||
cat << EOF
|
||||
su - '$postgres_user' -c "psql postgres -wc \"CREATE ROLE \\\\\"$name\\\\\" WITH $password $booleans;\""
|
||||
EOF
|
||||
case ${state_should}
|
||||
in
|
||||
(present)
|
||||
case ${state_is}
|
||||
in
|
||||
(absent)
|
||||
psql_query "CREATE ROLE \"${rolename}\" WITH $(role_properties_should);"
|
||||
psql_set_password
|
||||
;;
|
||||
absent)
|
||||
cat << EOF
|
||||
su - '$postgres_user' -c "dropuser \"$name\""
|
||||
EOF
|
||||
(different*)
|
||||
if expr "${state_is}" : 'different.*properties' >/dev/null
|
||||
then
|
||||
psql_query "ALTER ROLE \"${rolename}\" WITH $(role_properties_should);"
|
||||
fi
|
||||
|
||||
if expr "${state_is}" : 'different.*password' >/dev/null
|
||||
then
|
||||
psql_set_password
|
||||
fi
|
||||
;;
|
||||
(*)
|
||||
printf 'Invalid state reported by state explorer: %s\n' "${state_is}" >&2
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
(absent)
|
||||
printf 'su -l %s -c %s\n' \
|
||||
"$(quote "${postgres_user}")" \
|
||||
"$(quote "dropuser $(quote "${rolename}")")"
|
||||
;;
|
||||
esac
|
||||
|
|
|
|||
Loading…
Reference in a new issue