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/*
* Copyright (c) 2013-2017, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package node
import (
"database/sql"
"github.com/ctdk/goiardi/datastore"
"github.com/lib/pq"
"strings"
)
func (n *Node) savePostgreSQL(tx datastore.Dbhandle, rlb, aab, nab, dab, oab []byte) error {
_, err := tx.Exec("SELECT goiardi.merge_nodes($1, $2, $3, $4, $5, $6, $7)", n.Name, n.ChefEnvironment, rlb, aab, nab, dab, oab)
if err != nil {
return err
}
return nil
}
func (ns *NodeStatus) updateNodeStatusPostgreSQL() error {
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
_, err = tx.Exec("SELECT goiardi.insert_node_status($1, $2)", ns.Node.Name, ns.Status)
if err != nil {
tx.Rollback()
return err
}
var isDown bool
if ns.Status == "down" {
isDown = true
}
if isDown != ns.Node.isDown {
_, err = tx.Exec("UPDATE goiardi.nodes SET is_down = $1, updated_at = NOW() WHERE name = $2", isDown, ns.Node.Name)
if err != nil {
tx.Rollback()
return err
}
ns.Node.isDown = isDown
}
tx.Commit()
if isDown != ns.Node.isDown {
ns.Node.Save()
}
return nil
}
func (ns *NodeStatus) fillNodeStatusFromPostgreSQL(row datastore.ResRow) error {
var ua pq.NullTime
err := row.Scan(&ns.Status, &ua)
if err != nil {
return nil
}
if ua.Valid {
ns.UpdatedAt = ua.Time
}
return nil
}
func getNodesByStatusPostgreSQL(nodeNames []string, status string) ([]*Node, error) {
var nodes []*Node
sqlStmt := "SELECT n.name, chef_environment, n.run_list, n.automatic_attr, n.normal_attr, n.default_attr, n.override_attr FROM goiardi.node_latest_statuses n WHERE n.status = $1 AND n.name = ANY($2::text[])"
stmt, err := datastore.Dbh.Prepare(sqlStmt)
if err != nil {
return nil, err
}
defer stmt.Close()
nodeStr := "{" + strings.Join(nodeNames, ",") + "}"
rows, qerr := stmt.Query(status, nodeStr)
if qerr != nil {
if qerr == sql.ErrNoRows {
return nodes, nil
}
return nil, qerr
}
for rows.Next() {
no := new(Node)
err = no.fillNodeFromSQL(rows)
if err != nil {
return nil, err
}
nodes = append(nodes, no)
}
rows.Close()
if err = rows.Err(); err != nil {
return nil, err
}
return nodes, nil
}
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