docker-db-backup/dump_postgres.go

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package main
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import (
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
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"log"
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)
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type PostgresDumper struct {
Container *types.ContainerJSON
}
func NewPostgresDumper(container *types.ContainerJSON) *PostgresDumper {
return &PostgresDumper{
Container: container,
}
}
func (d *PostgresDumper) Dump(c *client.Client) error {
log.Printf("Dumping postgres database from container %s...\n", d.Container.Name)
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env := parseEnv(d.Container.Config.Env)
user := "root"
if u, has := env["POSTGRES_USER"]; has {
user = u
}
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return runAndSaveCommandInContainer(c, d.Container, "pg_dumpall", "-U", user)
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}