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Probe postgres native #66

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merged 2 commits into from
Dec 7, 2023
Merged

Probe postgres native #66

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7e6b688
Try to probe postgres native
majst01 Nov 28, 2023
8cac13b
Satisfy linter
majst01 Nov 28, 2023
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20 changes: 12 additions & 8 deletions cmd/internal/database/postgres/postgres.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,21 +2,18 @@ package postgres

import (
"context"
"database/sql"
"fmt"
"net"
"os"
"path"
"strconv"
"time"

"github.com/metal-stack/backup-restore-sidecar/cmd/internal/utils"
"github.com/metal-stack/backup-restore-sidecar/pkg/constants"
"go.uber.org/zap"
)

const (
connectionTimeout = 1 * time.Second

postgresBackupCmd = "pg_basebackup"
postgresBaseTar = "base.tar.gz"
postgresWalTar = "pg_wal.tar.gz"
Expand Down Expand Up @@ -154,11 +151,18 @@ func (db *Postgres) Recover(ctx context.Context) error {

// Probe figures out if the database is running and available for taking backups.
func (db *Postgres) Probe(ctx context.Context) error {
// TODO: use postgres client to connect
conn, err := net.DialTimeout("tcp", net.JoinHostPort(db.host, strconv.Itoa(db.port)), connectionTimeout)
// TODO is postgres db OK ?
connString := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres sslmode=disable", db.host, db.port, db.user, db.password)
var err error
dbc, err := sql.Open("postgres", connString)
if err != nil {
return fmt.Errorf("unable to open postgres connection %w", err)
}
defer dbc.Close()

err = dbc.PingContext(ctx)
if err != nil {
return fmt.Errorf("connection error: %w", err)
return fmt.Errorf("unable to ping postgres connection %w", err)
}
defer conn.Close()
return nil
}
50 changes: 25 additions & 25 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ require (
go.etcd.io/etcd/client/v3 v3.5.10
go.uber.org/zap v1.26.0
golang.org/x/sync v0.5.0
google.golang.org/api v0.151.0
google.golang.org/api v0.152.0
google.golang.org/grpc v1.59.0
google.golang.org/protobuf v1.31.0
gopkg.in/rethinkdb/rethinkdb-go.v6 v6.2.2
Expand All @@ -38,15 +38,15 @@ require (
)

require (
cloud.google.com/go v0.110.8 // indirect
cloud.google.com/go/compute v1.23.1 // indirect
cloud.google.com/go v0.110.10 // indirect
cloud.google.com/go/compute v1.23.3 // indirect
cloud.google.com/go/compute/metadata v0.2.3 // indirect
cloud.google.com/go/iam v1.1.3 // indirect
cloud.google.com/go/iam v1.1.5 // indirect
dario.cat/mergo v1.0.0 // indirect
github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
github.com/Microsoft/go-winio v0.6.1 // indirect
github.com/Microsoft/hcsshim v0.11.4 // indirect
github.com/andybalholm/brotli v1.0.5 // indirect
github.com/andybalholm/brotli v1.0.6 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cenkalti/backoff/v4 v4.2.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
Expand All @@ -66,7 +66,7 @@ require (
github.com/evanphx/json-patch/v5 v5.7.0 // indirect
github.com/fsnotify/fsnotify v1.7.0 // indirect
github.com/go-logr/logr v1.3.0 // indirect
github.com/go-ole/go-ole v1.2.6 // indirect
github.com/go-ole/go-ole v1.3.0 // indirect
github.com/go-openapi/jsonpointer v0.20.0 // indirect
github.com/go-openapi/jsonreference v0.20.2 // indirect
github.com/go-openapi/swag v0.22.4 // indirect
Expand All @@ -89,13 +89,13 @@ require (
github.com/jmespath/go-jmespath v0.4.0 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/compress v1.17.0 // indirect
github.com/klauspost/compress v1.17.3 // indirect
github.com/klauspost/pgzip v1.2.6 // indirect
github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
github.com/lufia/plan9stats v0.0.0-20231016141302-07b5767bb0ed // indirect
github.com/magiconair/properties v1.8.7 // indirect
github.com/mailru/easyjson v0.7.7 // indirect
github.com/mattn/go-runewidth v0.0.15 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/moby/patternmatcher v0.6.0 // indirect
github.com/moby/sys/sequential v0.5.0 // indirect
Expand All @@ -113,14 +113,14 @@ require (
github.com/pierrec/lz4/v4 v4.1.18 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 // indirect
github.com/prometheus/common v0.44.0 // indirect
github.com/prometheus/procfs v0.11.1 // indirect
github.com/power-devops/perfstat v0.0.0-20221212215047-62379fc7944b // indirect
github.com/prometheus/client_model v0.5.0 // indirect
github.com/prometheus/common v0.45.0 // indirect
github.com/prometheus/procfs v0.12.0 // indirect
github.com/rivo/uniseg v0.4.4 // indirect
github.com/sagikazarmark/locafero v0.3.0 // indirect
github.com/sagikazarmark/slog-shim v0.1.0 // indirect
github.com/shirou/gopsutil/v3 v3.23.9 // indirect
github.com/shirou/gopsutil/v3 v3.23.10 // indirect
github.com/shoenig/go-m1cpu v0.1.6 // indirect
github.com/sirupsen/logrus v1.9.3 // indirect
github.com/sourcegraph/conc v0.3.0 // indirect
Expand All @@ -138,21 +138,21 @@ require (
go.etcd.io/etcd/client/pkg/v3 v3.5.10 // indirect
go.opencensus.io v0.24.0 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/crypto v0.15.0 // indirect
golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
golang.org/x/crypto v0.16.0 // indirect
golang.org/x/exp v0.0.0-20231127185646-65229373498e // indirect
golang.org/x/mod v0.14.0 // indirect
golang.org/x/net v0.18.0 // indirect
golang.org/x/oauth2 v0.14.0 // indirect
golang.org/x/sys v0.14.0 // indirect
golang.org/x/term v0.14.0 // indirect
golang.org/x/net v0.19.0 // indirect
golang.org/x/oauth2 v0.15.0 // indirect
golang.org/x/sys v0.15.0 // indirect
golang.org/x/term v0.15.0 // indirect
golang.org/x/text v0.14.0 // indirect
golang.org/x/time v0.4.0 // indirect
golang.org/x/tools v0.15.0 // indirect
golang.org/x/time v0.5.0 // indirect
golang.org/x/tools v0.16.0 // indirect
golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
google.golang.org/appengine v1.6.8 // indirect
google.golang.org/genproto v0.0.0-20231016165738-49dd2c1f3d0b // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20231016165738-49dd2c1f3d0b // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20231030173426-d783a09b4405 // indirect
google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
gopkg.in/cenkalti/backoff.v2 v2.2.1 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
Expand Down
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