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add_postgresql.go
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add_postgresql.go
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// Copyright 2019 Percona LLC
//
// 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 management
import (
"fmt"
"os"
"strings"
"github.com/AlekSi/pointer"
"github.com/percona/pmm/admin/agentlocal"
"github.com/percona/pmm/admin/commands"
"github.com/percona/pmm/api/managementpb/json/client"
postgresql "github.com/percona/pmm/api/managementpb/json/client/postgre_sql"
)
var addPostgreSQLResultT = commands.ParseTemplate(`
PostgreSQL Service added.
Service ID : {{ .Service.ServiceID }}
Service name: {{ .Service.ServiceName }}
`)
type addPostgreSQLResult struct {
Service *postgresql.AddPostgreSQLOKBodyService `json:"service"`
}
func (res *addPostgreSQLResult) Result() {}
func (res *addPostgreSQLResult) String() string {
return commands.RenderTemplate(addPostgreSQLResultT, res)
}
type addPostgreSQLCommand struct {
Address string
Socket string
Username string
Password string
Database string
AgentPassword string
CredentialsSource string
SkipConnectionCheck bool
NodeID string
PMMAgentID string
ServiceName string
Environment string
Cluster string
ReplicationSet string
CustomLabels string
MetricsMode string
DisableCollectors string
QuerySource string
DisableQueryExamples bool
TLS bool
TLSSkipVerify bool
TLSCAFile string
TLSCertFile string
TLSKeyFile string
}
func (cmd *addPostgreSQLCommand) GetServiceName() string {
return cmd.ServiceName
}
func (cmd *addPostgreSQLCommand) GetAddress() string {
return cmd.Address
}
func (cmd *addPostgreSQLCommand) GetDefaultAddress() string {
return "127.0.0.1:5432"
}
func (cmd *addPostgreSQLCommand) GetSocket() string {
return cmd.Socket
}
func (cmd *addPostgreSQLCommand) Run() (commands.Result, error) {
customLabels, err := commands.ParseCustomLabels(cmd.CustomLabels)
if err != nil {
return nil, err
}
if cmd.PMMAgentID == "" || cmd.NodeID == "" {
status, err := agentlocal.GetStatus(agentlocal.DoNotRequestNetworkInfo)
if err != nil {
return nil, err
}
if cmd.PMMAgentID == "" {
cmd.PMMAgentID = status.AgentID
}
if cmd.NodeID == "" {
cmd.NodeID = status.NodeID
}
}
serviceName, socket, host, port, err := processGlobalAddFlagsWithSocket(cmd)
if err != nil {
return nil, err
}
var usePgStatements bool
var usePgStatMonitor bool
switch cmd.QuerySource {
case "pgstatements":
usePgStatements = true
case "pgstatmonitor":
usePgStatMonitor = true
case "none":
}
var tlsCa, tlsCert, tlsKey string
if cmd.TLS {
tlsCa, err = commands.ReadFile(cmd.TLSCAFile)
if err != nil {
return nil, err
}
tlsCert, err = commands.ReadFile(cmd.TLSCertFile)
if err != nil {
return nil, err
}
tlsKey, err = commands.ReadFile(cmd.TLSKeyFile)
if err != nil {
return nil, err
}
}
params := &postgresql.AddPostgreSQLParams{
Body: postgresql.AddPostgreSQLBody{
NodeID: cmd.NodeID,
ServiceName: serviceName,
Address: host,
Port: int64(port),
Username: cmd.Username,
Password: cmd.Password,
Database: cmd.Database,
AgentPassword: cmd.AgentPassword,
Socket: socket,
SkipConnectionCheck: cmd.SkipConnectionCheck,
CredentialsSource: cmd.CredentialsSource,
PMMAgentID: cmd.PMMAgentID,
Environment: cmd.Environment,
Cluster: cmd.Cluster,
ReplicationSet: cmd.ReplicationSet,
CustomLabels: customLabels,
QANPostgresqlPgstatementsAgent: usePgStatements,
QANPostgresqlPgstatmonitorAgent: usePgStatMonitor,
TLS: cmd.TLS,
TLSCa: tlsCa,
TLSCert: tlsCert,
TLSKey: tlsKey,
TLSSkipVerify: cmd.TLSSkipVerify,
DisableQueryExamples: cmd.DisableQueryExamples,
MetricsMode: pointer.ToString(strings.ToUpper(cmd.MetricsMode)),
DisableCollectors: commands.ParseDisableCollectors(cmd.DisableCollectors),
LogLevel: &addLogLevel,
},
Context: commands.Ctx,
}
resp, err := client.Default.PostgreSQL.AddPostgreSQL(params)
if err != nil {
return nil, err
}
return &addPostgreSQLResult{
Service: resp.Payload.Service,
}, nil
}
// register command
var (
AddPostgreSQL addPostgreSQLCommand
AddPostgreSQLC = AddC.Command("postgresql", "Add PostgreSQL to monitoring")
)
func init() {
hostname, _ := os.Hostname()
serviceName := hostname + "-postgresql"
serviceNameHelp := fmt.Sprintf("Service name (autodetected default: %s)", serviceName)
AddPostgreSQLC.Arg("name", serviceNameHelp).Default(serviceName).StringVar(&AddPostgreSQL.ServiceName)
AddPostgreSQLC.Arg("address", "PostgreSQL address and port (default: 127.0.0.1:5432)").StringVar(&AddPostgreSQL.Address)
AddPostgreSQLC.Flag("socket", "Path to socket").StringVar(&AddPostgreSQL.Socket)
AddPostgreSQLC.Flag("username", "PostgreSQL username").Default("postgres").StringVar(&AddPostgreSQL.Username)
AddPostgreSQLC.Flag("password", "PostgreSQL password").StringVar(&AddPostgreSQL.Password)
AddPostgreSQLC.Flag("database", "PostgreSQL database").StringVar(&AddPostgreSQL.Database)
AddPostgreSQLC.Flag("agent-password", "Custom password for /metrics endpoint").StringVar(&AddPostgreSQL.AgentPassword)
AddPostgreSQLC.Flag("credentials-source", "Credentials provider").StringVar(&AddPostgreSQL.CredentialsSource)
AddPostgreSQLC.Flag("node-id", "Node ID (default is autodetected)").StringVar(&AddPostgreSQL.NodeID)
AddPostgreSQLC.Flag("pmm-agent-id", "The pmm-agent identifier which runs this instance (default is autodetected)").StringVar(&AddPostgreSQL.PMMAgentID)
querySources := []string{"pgstatements", "pgstatmonitor", "none"} // TODO add "auto"
querySourceHelp := fmt.Sprintf("Source of SQL queries, one of: %s (default: %s)", strings.Join(querySources, ", "), querySources[0])
AddPostgreSQLC.Flag("query-source", querySourceHelp).Default(querySources[0]).EnumVar(&AddPostgreSQL.QuerySource, querySources...)
AddPostgreSQLC.Flag("environment", "Environment name").StringVar(&AddPostgreSQL.Environment)
AddPostgreSQLC.Flag("cluster", "Cluster name").StringVar(&AddPostgreSQL.Cluster)
AddPostgreSQLC.Flag("replication-set", "Replication set name").StringVar(&AddPostgreSQL.ReplicationSet)
AddPostgreSQLC.Flag("custom-labels", "Custom user-assigned labels").StringVar(&AddPostgreSQL.CustomLabels)
AddPostgreSQLC.Flag("skip-connection-check", "Skip connection check").BoolVar(&AddPostgreSQL.SkipConnectionCheck)
AddPostgreSQLC.Flag("tls", "Use TLS to connect to the database").BoolVar(&AddPostgreSQL.TLS)
AddPostgreSQLC.Flag("tls-ca-file", "TLS CA certificate file").StringVar(&AddPostgreSQL.TLSCAFile)
AddPostgreSQLC.Flag("tls-cert-file", "TLS certificate file").StringVar(&AddPostgreSQL.TLSCertFile)
AddPostgreSQLC.Flag("tls-key-file", "TLS certificate key file").StringVar(&AddPostgreSQL.TLSKeyFile)
AddPostgreSQLC.Flag("tls-skip-verify", "Skip TLS certificates validation").BoolVar(&AddPostgreSQL.TLSSkipVerify)
AddPostgreSQLC.Flag("disable-queryexamples", "Disable collection of query examples").BoolVar(&AddPostgreSQL.DisableQueryExamples)
AddPostgreSQLC.Flag("metrics-mode", "Metrics flow mode, can be push - agent will push metrics,"+
" pull - server scrape metrics from agent or auto - chosen by server.").
Default("auto").
EnumVar(&AddPostgreSQL.MetricsMode, metricsModes...)
AddPostgreSQLC.Flag("disable-collectors", "Comma-separated list of collector names to exclude from exporter").StringVar(&AddPostgreSQL.DisableCollectors)
addGlobalFlags(AddPostgreSQLC)
}