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# -*- mode: shell-script -*-
include pretty
export DB_NAME="$SERVICE_NAME" ## general type of database (ie: postgres/mysql...)
export DB_DATADIR=/var/lib/mongodb
export DATA_DIR=$SERVICE_DATASTORE$DB_DATADIR
is_db_locked() {
is_volume_used "${DATA_DIR}"
}
_set_server_db_params() {
server_docker_opts+=("-v" "${SERVICE_CONFIGSTORE}/etc/mongod.conf:/etc/mongod.conf"
"--add-host" "${SERVICE_NAME}:127.0.0.1")
}
_set_db_params() {
local docker_ip="$1" docker_network="$2"
## XXXvlab: include this in compose-core
if [ "${_db_params}" != "$docker_ip:$docker_network" ]; then
db_docker_opts+=("--network" "$docker_network")
db_cmd_opts+=("--host" "$docker_ip")
check_command="db.serverStatus().ok"
_db_params="$docker_ip:$docker_network"
echo callers: "${FUNCNAME[@]}" >&2
fi
}
ddb() { dcmd mongo --quiet "$@"; }
djson() {
local out err
if ! out=$(ddb); then
err "Mongo call failed"
return 128
fi
if [ -z "$out" ]; then
err "Mongo replied with empty output"
return 64
fi
if [ "$(e "$out" | jq -r .ok)" != "1" ]; then
if ! e "$out" | jq . >/dev/null 2>&1; then
err "Mongo didn't output JSON, output follows:"
e "$out" | prefix " | "
return 32
fi >&2
errmsg=$(e "$out" | jq -r '.errmsg')
code_name=$(e "$out" | jq -r '.codeName')
err "Mongo failed with error message: $errmsg (code: ${code_name})"
e "$out"
return 32
fi
e "$out"
return 0
}
mongo:db:ls() {
local out
if out=$(djson < <(echo "JSON.stringify(db.adminCommand( { listDatabases: 1 } ))")); then
e "$out" | jq -r '.databases[] | .name'
return 0
else
if [ "$(e "$out" | jq -r '.codeName')" == "NotMasterNoSlaveOk" ]; then
## equivalent to having no databases
return 0
fi
err "Could not query list of databases."
return 1
fi
}
mongo:db:rename() {
local src="$1" dst="$2" out
if ! out=$(ddb <<EOF
db.copyDatabase("$src","$dst");
use $src;
db.dropDatabase();
EOF
); then
err "Could not rename database '$src' to '$dst'."
err "$out"
return 1
fi
debug "$out"
}
mongo:db:version() {
local out
if out=$(ddb < <(echo "db.version()")); then
e "$out"
return 0
else
err "Could not query version of database."
return 1
fi
}