feat: add keycloak and postgres
This commit is contained in:
Masaki Yatsu
248
postgres/justfile
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248
postgres/justfile
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@@ -0,0 +1,248 @@
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set fallback := true
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export CNPG_NAMESPACE := env("CNPG_NAMESPACE", "postgres")
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export CNPG_CHART_VERSION := env("CNPG_CHART_VERSION", "0.26.0")
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export CNPG_CLUSTER_CHART_VERSION := env("CNPG_CLUSTER_CHART_VERSION", "0.3.1")
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export VAULT_ENABLED := env("VAULT_ENABLED", "true")
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[private]
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default:
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@just --list --unsorted --list-submodules
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# Add Helm repository
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add-helm-repo:
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@helm repo add cnpg https://cloudnative-pg.github.io/charts
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@helm repo update
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# Remove Helm repository
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remove-helm-repo:
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@helm repo remove cnpg
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# Install CloudNativePG and create a cluster
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install:
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@just install-cnpg
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@just create-cluster
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# Uninstall CloudNativePG and delete the cluster
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uninstall:
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@just delete-cluster
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@just uninstall-cnpg
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# Install CloudNativePG
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install-cnpg:
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@just add-helm-repo
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@helm upgrade --cleanup-on-fail --install cnpg cnpg/cloudnative-pg \
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--version ${CNPG_CHART_VERSION} \
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-n ${CNPG_NAMESPACE} --create-namespace --wait
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# Uninstall CloudNativePG
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uninstall-cnpg:
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@helm uninstall cnpg -n ${CNPG_NAMESPACE} --wait
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@kubectl delete namespace ${CNPG_NAMESPACE} --ignore-not-found
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# Create Postgres cluster
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create-cluster:
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#!/bin/bash
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set -euo pipefail
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helm upgrade --install postgres-cluster cnpg/cluster \
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--version ${CNPG_CLUSTER_CHART_VERSION} \
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-n ${CNPG_NAMESPACE} --create-namespace --wait \
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-f postgres-cluster-values.yaml
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if [ "${VAULT_ENABLED}" != "false" ]; then
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just put-admin-credentials-to-vault
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fi
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# Delete Postgres cluster
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delete-cluster:
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@helm uninstall postgres-cluster -n ${CNPG_NAMESPACE} --ignore-not-found --wait
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# Print Postgres username
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admin-username:
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@echo "postgres"
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# Print Postgres password
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admin-password:
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@kubectl get -n ${CNPG_NAMESPACE} secret postgres-cluster-superuser \
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-o jsonpath="{.data.password}" | base64 --decode
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@echo
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# Put admin credentials to Vault
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put-admin-credentials-to-vault:
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@echo vault::put postgres/admin username=$(just admin-username) password=$(just admin-password)
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@just vault::put postgres/admin username=$(just admin-username) password=$(just admin-password)
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@echo "Admin credentials stored in Vault under 'postgres/admin'."
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# Create Postgres database
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create-db db_name='':
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#!/bin/bash
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set -euo pipefail
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DB_NAME=${DB_NAME:-{{ db_name }}}
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while [ -z "${DB_NAME}" ]; do
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DB_NAME=$(gum input --prompt="Database name: " --width=80)
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done
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if just db-exists ${DB_NAME} >&/dev/null; then
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echo "Database ${DB_NAME} already exists" >&2
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exit
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fi
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echo "Creating database ${DB_NAME}..."
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just psql -c "\"CREATE DATABASE ${DB_NAME};\""
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echo "Database ${DB_NAME} created."
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# Delete Postgres database
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delete-db db_name='':
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#!/bin/bash
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set -euo pipefail
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DB_NAME=${DB_NAME:-{{ db_name }}}
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if ! just db-exists ${DB_NAME} >&/dev/null; then
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echo "Database ${DB_NAME} does not exist." >&2
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exit
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fi
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# Terminate all connections to the database
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just psql -U postgres -P pager=off -c "\"SELECT pg_terminate_backend(pid) FROM pg_stat_activity
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WHERE datname = '${DB_NAME}' AND pid <> pg_backend_pid();\""
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just psql -U postgres -c "\"DROP DATABASE ${DB_NAME};\""
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echo "Database ${DB_NAME} deleted."
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# Check if database exists
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db-exists db_name='':
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#!/bin/bash
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set -euo pipefail
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DB_NAME=${DB_NAME:-{{ db_name }}}
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while [ -z "${DB_NAME}" ]; do
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DB_NAME=$(gum input --prompt="Database name: " --width=80)
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done
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if echo '\l' | just postgres::psql | grep -E "^ *${DB_NAME} *\|" &>/dev/null; then
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echo "Database ${DB_NAME} exists."
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else
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echo "Database ${DB_NAME} does not exist." >&2
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exit 1
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fi
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# Create Postgres user
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create-user username='' password='':
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#!/bin/bash
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set -euo pipefail
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USERNAME=${USERNAME:-"{{ username }}"}
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PASSWORD=${PASSWORD:-"{{ password }}"}
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while [ -z "${USERNAME}" ]; do
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USERNAME=$(gum input --prompt="Username: " --width=80)
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done
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if just user-exists ${USERNAME}; then
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echo "User ${USERNAME} already exists" >&2
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exit
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fi
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if [ -z "${PASSWORD}" ]; then
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PASSWORD=$(gum input --prompt="Password: " --password --width=80 \
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--placeholder="Empty to generate a random password")
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fi
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if [ -z "${PASSWORD}" ]; then
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PASSWORD=$(just random-password)
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fi
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just psql -c "\"CREATE USER ${USERNAME} WITH LOGIN PASSWORD '${PASSWORD}';\""
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echo "User ${USERNAME} created."
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# Delete Postgres user
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delete-user username='':
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#!/bin/bash
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set -euo pipefail
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USERNAME=${USERNAME:-"{{ username }}"}
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if ! just user-exists ${USERNAME}; then
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echo "User ${USERNAME} does not exist." >&2
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exit
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fi
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just psql -c "\"ALTER DEFAULT PRIVILEGES FOR ROLE postgres IN SCHEMA public REVOKE ALL ON TABLES FROM ${USERNAME};\""
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just psql -c "\"ALTER DEFAULT PRIVILEGES FOR ROLE postgres IN SCHEMA public REVOKE ALL ON SEQUENCES FROM ${USERNAME};\""
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just psql -c "\"ALTER DEFAULT PRIVILEGES FOR ROLE postgres IN SCHEMA public REVOKE ALL ON FUNCTIONS FROM ${USERNAME};\""
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just psql -c "\"ALTER DEFAULT PRIVILEGES FOR ROLE postgres IN SCHEMA public REVOKE ALL ON TYPES FROM ${USERNAME};\""
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just psql -c "\"ALTER SCHEMA public OWNER TO postgres;\""
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just psql -c "\"DROP USER ${USERNAME};\""
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echo "User ${USERNAME} deleted."
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# Check if user exists
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user-exists username='':
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#!/bin/bash
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set -euo pipefail
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USERNAME=${USERNAME:-"{{ username }}"}
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while [ -z "${USERNAME}" ]; do
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USERNAME=$(gum input --prompt="Username: " --width=80)
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done
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if echo '\du' | just postgres::psql | grep -E "^ *${USERNAME} *\|" &>/dev/null; then
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echo "User ${USERNAME} exists."
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else
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echo "User ${USERNAME} does not exist." >&2
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exit 1
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fi
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# Grant all privileges on database to user
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grant db_name='' username='':
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#!/bin/bash
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set -euo pipefail
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DB_NAME=${DB_NAME:-"{{ db_name }}"}
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USERNAME=${USERNAME:-"{{ username }}"}
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while [ -z "${DB_NAME}" ]; do
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DB_NAME=$(gum input --prompt="Database name: " --width=80)
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done
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while [ -z "${USERNAME}" ]; do
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USERNAME=$(gum input --prompt="Username: " --width=80)
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done
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if ! just psql ${DB_NAME} -U postgres -P pager=off -c "\"SELECT 1;\""; then
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echo "Database ${DB_NAME} does not exist." >&2
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exit 1
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fi
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just psql -c "\"GRANT ALL PRIVILEGES ON DATABASE ${DB_NAME} TO ${USERNAME};\""
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echo "Privileges granted."
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# Revoke all privileges on database from user
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revoke db_name='' username='':
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#!/bin/bash
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set -euo pipefail
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DB_NAME=${DB_NAME:-"{{ db_name }}"}
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USERNAME=${USERNAME:-"{{ username }}"}
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while [ -z "${DB_NAME}" ]; do
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DB_NAME=$(gum input --prompt="Database name: " --width=80)
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done
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while [ -z "${USERNAME}" ]; do
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USERNAME=$(gum input --prompt="Username: " --width=80)
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done
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if ! just psql -U postgres ${DB_NAME} -P pager=off -c "\"SELECT 1;\""; then
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echo "Database ${DB_NAME} does not exist." >&2
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exit 1
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fi
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just psql -c "\"REVOKE ALL PRIVILEGES ON DATABASE ${DB_NAME} FROM ${USERNAME};\""
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echo "Privileges revoked."
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# Create Postgres database and user
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create-user-and-db db_name='' username='' password='':
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just create-db "{{ db_name }}"
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just create-user "{{ username }}" "{{ password }}"
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just grant "{{ db_name }}" "{{ username }}"
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# Delete Postgres database and user
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delete-user-and-db db_name='' username='':
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just revoke "{{ db_name }}" "{{ username }}"
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just delete-user "{{ username }}"
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just delete-db "{{ db_name }}"
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# Run psql
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[no-exit-message]
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psql *args='':
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@kubectl exec -it -n postgres postgres-cluster-1 -c postgres -- psql {{ args }}
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# Dump Postgres database by pg_dump
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dump db_name file:
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kubectl exec -it -n ${CNPG_NAMESPACE} postgres-cluster-1 -c postgres -- bash -c \
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"pg_dump -d postgresql://postgres:$(just password)@localhost/{{ db_name }} -Fc > \
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/var/lib/postgresql/data/db.dump"
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kubectl cp -n ${CNPG_NAMESPACE} -c postgres \
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postgres-cluster-1:/var/lib/postgresql/data/db.dump {{ file }}
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kubectl exec -it -n ${CNPG_NAMESPACE} postgres-cluster-1 -c postgres -- rm /var/lib/postgresql/data/db.dump
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# Restore Postgres database by pg_restore
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restore db_name file:
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just create-db {{ db_name }}
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kubectl cp {{ file }} -n ${CNPG_NAMESPACE} -c postgres \
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postgres-cluster-1:/var/lib/postgresql/data/db.dump
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kubectl exec -it -n ${CNPG_NAMESPACE} postgres-cluster-1 -c postgres -- bash -c \
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"pg_restore -d postgresql://postgres:$(just password)@localhost/{{ db_name }} \
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/var/lib/postgresql/data/db.dump"
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