Actualiza readme parcialmente, elimina plantilla

# Backup DB

Backup DB is a docker for create database backup (PostgreSQL)

and uploads to AWS S3. Also sends metrics a Prometheus through

PushGateWay.

# Backup PostgreSQL

Backup PostgreSQL is a service for creating PostgreSQL database backups and uploading them to AWS S3 (or S3-compatible service).

Also sends metrics to Prometheus through Pushgateway.

![alt schema-db](images/schema-backup-db.png)

# Variables

## Variables

|          Name         |          Description          |      Default      |

|---------------------------|-----------------------------------|----------------------	|

|-----------------------|-------------------------------|-------------------|

| POSTGRES_USER         | Database username             | postgres          |

| POSTGRES_PASSWORD     | Database password             | password          |

| POSTGRES_HOSTNAME     | Database hostname             | postgresql        |

| PUSHGATEWAY_JOB       | PushGateWay job name          | POSTGRES_HOSTNAME |

| GZIP                  | Compression ratio             | -9                |

# Metrics

## Metrics

|                           Name                           |                        Description                       |

|-----------------------------------------------------------|-----------------------------------------------------------|

|----------------------------------------------------------|----------------------------------------------------------|

| backup_db{label="redmic"}                                | Outcome of the backup database job (0=failed, 1=success) |

| backup_duration_seconds{label="redmic",stage="dump"}     | Duration of create dump execution in seconds             |

| backup_duration_seconds{label="redmic",stage="compress"} | Duration of compress dump execution in seconds           |

include:

  - project: 'redmic-project/gitlab-ci-templates'

    ref: master

    file: '/_deployment.yml'

.deploy-backup-db-stage: &deploy-backup-db-stage

  stage: deploy-backup-db

.deploy-backup-db:

  variables: &deploy-backup-db-variables

    DEPLOY_DIR_NAME: deploy_backup-db

    BACKUP_DB_REPOSITORY_URL: https://gitlab.com/redmic-project/postgres/backup-db

    BACKUP_DB_REPOSITORY_BRANCH: dev

    BACKUP_DB_DEPLOY_FILES: .env docker-compose.tmpl.yml docker-compose.dev.yml docker-compose.prod.yml

.deploy-backup-db-before_script: &deploy-backup-db-before_script

  before_script:

    - >

      mkdir -p ${DEPLOY_DIR_NAME};

      cd ${DEPLOY_DIR_NAME};

      urlBase="${BACKUP_DB_REPOSITORY_URL}/-/raw/${BACKUP_DB_REPOSITORY_BRANCH}/deploy";

      for deployFile in ${BACKUP_DB_DEPLOY_FILES};

      do

        wget -q "$(echo ${urlBase}/${deployFile})";

      done;

      cd -;

.deploy-backup-db-development:

  extends: .deploy-development

  <<: *deploy-backup-db-stage

  variables:

    <<: *deploy-backup-db-variables

  <<: *deploy-backup-db-before_script

  environment:

    name: dev/backup-db

.deploy-backup-db-production:

  extends: .deploy-production

  <<: *deploy-backup-db-stage

  variables:

    <<: *deploy-backup-db-variables

  <<: *deploy-backup-db-before_script

  environment:

    name: pro/backup-db

.deploy-backup-db-branch-base:

  variables: &deploy-backup-db-branch-base-variables

    DD_IMAGE_NAME: ${CI_REGISTRY_IMAGE}/${CI_COMMIT_REF_SLUG}

    DD_IMAGE_TAG: ${CI_COMMIT_SHA}

.deploy-backup-db-support-branch: &deploy-backup-db-support-branch

  rules:

    - if: $CI_MERGE_REQUEST_ID ||

          $CI_COMMIT_TAG ||

          $CI_PIPELINE_SOURCE == "schedule" ||

          $CI_COMMIT_BRANCH == "master"

      when: never

    - if: $CI_COMMIT_BRANCH

      when: manual

      allow_failure: true

deploy-backup-db-support-branch-development:

  extends: .deploy-backup-db-development

  variables:

    <<: *deploy-backup-db-branch-base-variables

  <<: *deploy-backup-db-support-branch

.deploy-backup-db-stable-branch: &deploy-backup-db-stable-branch

  rules:

    - if: $CI_MERGE_REQUEST_ID ||

          $CI_COMMIT_TAG ||

          $CI_PIPELINE_SOURCE == "schedule"

      when: never

    - if: $CI_COMMIT_BRANCH == "master"

      when: manual

      allow_failure: true

deploy-backup-db-stable-branch-development:

  extends: .deploy-backup-db-development

  variables:

    <<: *deploy-backup-db-branch-base-variables

  <<: *deploy-backup-db-stable-branch

deploy-backup-db-stable-branch-production:

  extends: .deploy-backup-db-production

  variables:

    <<: *deploy-backup-db-branch-base-variables

  <<: *deploy-backup-db-stable-branch

.deploy-backup-db-tag-base:

  variables: &deploy-backup-db-tag-base-variables

    DD_IMAGE_NAME: ${CI_REGISTRY_IMAGE}

    DD_IMAGE_TAG: ${CI_COMMIT_TAG}

.deploy-backup-db-tag: &deploy-backup-db-tag

  rules:

    - if: $CI_COMMIT_TAG

      when: manual

      allow_failure: true

deploy-backup-db-tag-development:

  extends: .deploy-backup-db-development

  variables:

    <<: *deploy-backup-db-tag-base-variables

  <<: *deploy-backup-db-tag

deploy-backup-db-tag-production:

  extends: .deploy-backup-db-production

  variables:

    <<: *deploy-backup-db-tag-base-variables

  <<: *deploy-backup-db-tag