new: [opensem] add charm

opensem/README.org

@@ -0,0 +1,10 @@
+# -*- ispell-local-dictionary: "english" -*-
+#+PROPERTY: TASK_CATEG opensem
+
+* Build source code
+
+Using a ~Dockerfile~ and forcing latest known working ~composer.lock~
+and ~yarn.lock~ to ensure reproducible build.
+
+We provide the resulting production ready application files in a
+~tar.xz~.

opensem/hooks/init

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+## Init is run on host
+## For now it is run every time the script is launched, but
+## it should be launched only once after build.
+
+## Accessible variables are:
+## - SERVICE_NAME        Name of current service
+## - DOCKER_BASE_IMAGE   Base image from which this service might be built if any
+## - SERVICE_DATASTORE           Location on host of the DATASTORE of this service
+## - SERVICE_CONFIGSTORE         Location on host of the CONFIGSTORE of this service
+
+
+. lib/common
+
+set -e
+
+
+opensem:init || exit 1
+
+opensem:config || exit 1

opensem/hooks/log_rotate-relation-joined

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+## Should be executable N time in a row with same result.
+
+. lib/common
+
+set -e
+
+LOGS=/var/log/opensem
+
+php_fpm_service=$(service:traverse "$SERVICE_NAME":php-fpm) || {
+    err "Could not find php-fpm service for $SERVICE_NAME"
+    exit 1
+}
+
+uid_gid=$(get_service_base_image_dir_uid_gid "$php_fpm_service" /var/www/html) || {
+    err "Could not determine uid:gid for $php_fpm_service of dir /var/www/html"
+    exit 1
+}
+
+gid="${uid_gid#* }"
+
+dirs=(
+    "$LOGS"
+)
+
+to_create=()
+volumes=""
+for d in "${dirs[@]}"; do
+    fdir="${SERVICE_DATASTORE}$d"
+    if [ -d "$fdir" ]; then
+        find "$fdir" \! -gid "$gid" -print0 | while read-0 f; do
+            chgrp -v "$gid" "$f" || return 1
+        done
+        find "$fdir" \! -perm -g+rwx -print0 | while read-0 f; do
+            chmod -v g+rwx "$f" || return 1
+        done
+    else
+        to_create+=("$fdir")
+    fi
+done
+
+if [ "${#to_create[@]}" -gt 0 ]; then
+    mkdir -p "${to_create[@]}" || return 1
+    chgrp -v "${gid}" "${to_create[@]}" || return 1
+    chmod g+rwx "${to_create[@]}" || return 1
+fi
+
+
+rotated_count=$(relation-get rotated-count 2>/dev/null) || true
+rotated_count=${rotated_count:-52}
+
+## XXXvlab: a lot of this intelligence should be moved away into ``logrotate`` charm
+DST="$CONFIGSTORE/$TARGET_SERVICE_NAME/etc/logrotate.d/$SERVICE_NAME"
+file_put "$DST" <<EOF
+/var/log/docker/$SERVICE_NAME/laravel.log {
+    weekly
+    missingok
+    dateext
+    dateyesterday
+    dateformat _%Y-%m-%d
+    extension .log
+    rotate $rotated_count
+    compress
+    delaycompress
+    notifempty
+    create 640 root root
+    sharedscripts
+}
+EOF
+
+opensem:config-set "LOG_CHANNEL" "single" || {
+    err "Could not set LOG_CHANNEL=single in opensem config"
+    exit 1
+}
+
+config-add "\
+services:
+  $MASTER_TARGET_SERVICE_NAME:
+    volumes:
+      - $DST:/etc/logrotate.d/docker-${SERVICE_NAME}:ro
+      - $SERVICE_DATASTORE$LOGS:/var/log/docker/$SERVICE_NAME:rw
+  $php_fpm_service:
+    volumes:
+      - $SERVICE_DATASTORE$LOGS:/opt/apps/$SERVICE_NAME/storage/logs:rw
+"

opensem/hooks/meilisearch_engine-relation-joined

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+. lib/common
+
+set -e
+
+master_key=$(service:password:get "${TARGET_SERVICE_NAME}" "master_key" internal) || exit 1
+
+cat <<EOF >> "${OPENSEM_CONFIG_FILE}"
+
+
+## meilisearch settings
+
+SCOUT_DRIVER=meilisearch
+MEILISEARCH_HOST=http://${TARGET_SERVICE_NAME}:7700
+MEILISEARCH_KEY=${master_key}
+EOF

opensem/hooks/mysql_database-relation-joined

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+#!/bin/bash
+
+. lib/common
+
+PASSWORD="$(relation-get password)"
+USER="$(relation-get user)"
+DBNAME="$(relation-get dbname)"
+
+# control=$(H "$USER" "$DBNAME" "$PASSWORD")
+
+# [ "$control" == "$(relation-get control || true)" ] && exit 0
+
+set -e
+
+cat <<EOF >> "${OPENSEM_CONFIG_FILE}"
+
+DB_CONNECTION=mysql
+DB_HOST=${TARGET_SERVICE_NAME}
+DB_PORT=3306
+DB_DATABASE=$DBNAME
+DB_USERNAME=$USER
+DB_PASSWORD=$PASSWORD
+
+EOF
+
+# relation-set control "$control"
+
+info "Configured opensem code for mysql access."

opensem/hooks/pre_deploy

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+#!/bin/bash
+
+. lib/common
+
+set -e
+
+mv -v "${OPENSEM_CONFIG_FILE}" "${OPENSEM_CONFIG_FILE%.prepare}"

opensem/hooks/publish_dir-relation-joined

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+#!/bin/bash
+
+. lib/common
+
+set -e
+
+domain=$(relation-get domain) || exit 1
+url=$(relation-get url) || exit 1
+
+location=$CONFIGSTORE/$BASE_SERVICE_NAME/var/www/$domain
+
+php_fpm_service=$(service:traverse "$SERVICE_NAME":php-fpm) || {
+    err "Could not find php-fpm service for $SERVICE_NAME"
+    exit 1
+}
+
+uid_gid=$(get_service_base_image_dir_uid_gid "$php_fpm_service" /var/www/html) || {
+    err "Could not determine uid:gid for $php_fpm_service of dir /var/www/html"
+    exit 1
+}
+gid="${uid_gid#* }"
+
+dirs=(
+    /var/cache/opensem/bootstrap
+    /var/cache/opensem/framework
+    /var/lib/opensem/views
+    /var/lib/opensem/sessions
+    /var/lib/opensem/app
+    /var/lib/opensem/app/public
+    /var/log/opensem
+)
+
+
+to_create=()
+volumes=""
+for d in "${dirs[@]}"; do
+    fdir="${SERVICE_DATASTORE}$d"
+    if [ -d "$fdir" ]; then
+        find "$fdir" \! -gid "$gid" -print0 | while read-0 f; do
+            chgrp -v "$gid" "$f" || return 1
+        done
+        find "$fdir" \! -perm -g+rwx -print0 | while read-0 f; do
+            chmod -v g+rwx "$f" || return 1
+        done
+    else
+        to_create+=("$fdir")
+    fi
+done
+
+if [ "${#to_create[@]}" -gt 0 ]; then
+    mkdir -p "${to_create[@]}" || return 1
+    chgrp -v "${gid}" "${to_create[@]}" || return 1
+    chmod g+rwx "${to_create[@]}" || return 1
+fi
+
+opensem:config-set APP_URL "$url"
+
+dev=$(options-get dev 2>/dev/null) || true
+if [ -n "$dev" ]; then
+    # if ! [ -d "$dev" ]; then
+    #     err "The 'dev' option is set to '$dev' but this is not a directory."
+    #     exit 1
+    # fi
+
+    OPENSEM_CODE="$dev"
+fi
+
+
+service:docker-compose:directive-merge "$MASTER_TARGET_SERVICE_NAME" <<EOF
+volumes:
+  - $SERVICE_DATASTORE/var/lib/opensem/app/public:/var/www/$domain/storage:ro
+EOF
+
+config-add "
+services:
+  $php_fpm_service:
+    volumes:
+      # - $OPENSEM_CODE/public:/var/www/$domain:ro
+      - $OPENSEM_CODE:/opt/apps/$SERVICE_NAME:ro
+      - $SERVICE_DATASTORE/var/cache/opensem/bootstrap:/opt/apps/$SERVICE_NAME/bootstrap/cache:rw
+      - $SERVICE_DATASTORE/var/cache/opensem/framework:/opt/apps/$SERVICE_NAME/storage/framework/cache:rw
+      - $SERVICE_DATASTORE/var/lib/opensem/views:/opt/apps/$SERVICE_NAME/storage/framework/views:rw
+      - $SERVICE_DATASTORE/var/lib/opensem/sessions:/opt/apps/$SERVICE_NAME/storage/framework/sessions:rw
+      ## Required to give PHP write access to this dir
+      - $SERVICE_DATASTORE/var/lib/opensem/app:/opt/apps/$SERVICE_NAME/storage/app:rw
+      - $SERVICE_DATASTORE/var/lib/opensem/app/public:/opt/apps/$SERVICE_NAME/storage/app/public:rw
+
+"

opensem/hooks/redis_database-relation-joined

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+. lib/common
+
+set -e
+
+password=$(relation-get password) || {
+    err "Can't get password for '$SERVICE_NAME' from '$TARGET_SERVICE_NAME'."
+    exit 1
+}
+
+cat <<EOF >> "${OPENSEM_CONFIG_FILE}"
+
+BROADCAST_DRIVER=redis
+REDIS_HOST=${TARGET_SERVICE_NAME}
+REDIS_PASSWORD=$password
+REDIS_PORT=6379
+EOF
+
+
+info "Configured $SERVICE_NAME code for $TARGET_SERVICE_NAME access."

opensem/hooks/smtp_server-relation-joined

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+. lib/common
+
+set -e
+
+host=$(relation-get host)
+port=$(relation-get port)
+connection_security=$(relation-get connection-security)
+auth_method=$(relation-get auth-method)
+
+
+
+
+declare -A ENV
+
+ENV[DRIVER]=smtp
+ENV[HOST]="$host"
+ENV[PORT]="$port"
+
+case "$connection_security" in
+    "none")
+        ENV[ENCRYPTION]=null
+        ;;
+    "ssl/tls")
+        ENV[ENCRYPTION]="tls"
+        ;;
+    "ssl")
+        ENV[ENCRYPTION]="ssl"
+        ;;
+    *)
+        error "Unsupported connection security: $connection_security"
+        exit 1
+        ;;
+esac
+case "$auth_method" in
+    "none")
+        ENV[USERNAME]=null
+        ;;
+    "password")
+        login=$(relation-get login) || true
+        ENV[USERNAME]="$login"
+
+        password=$(relation-get password) || true
+        ENV[PASSWORD]="$password"
+        ;;
+    *)
+        error "Unsupported auth method: $auth_method"
+        exit 1
+        ;;
+esac
+
+mail_from=$(relation-get mail-from) || true
+if [ -n "$mail_from" ]; then
+    ENV[FROM_ADDRESS]="$mail_from"
+fi
+
+from_name=$(relation-get from-name) || true
+if [ -n "$from_name" ]; then
+   ENV[FROM_NAME]="$from_name"
+fi
+
+for key in "${!ENV[@]}"; do
+    value=${ENV[$key]}
+    opensem:config-set "MAIL_$key" "$value"
+done

opensem/lib/common

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+# -*- mode: shell-script -*-
+
+OPENSEM_DIR="/opt/apps/opensem"
+OPENSEM_CODE="$SERVICE_CONFIGSTORE$OPENSEM_DIR"
+OPENSEM_RELEASE=1.0.0-rc.1
+OPENSEM_URL=https://docker.0k.io/downloads/opensem-"${OPENSEM_RELEASE}".tar.xz
+OPENSEM_CONFIG_FILE="${OPENSEM_CODE}"/.env.prepare
+
+opensem:init() {
+    current_version=""
+    if [ -e "${OPENSEM_CODE}/.version" ]; then
+        current_version="$(cat "${OPENSEM_CODE}/.version")" || return 1
+    fi
+
+    ## Note: previous content will be removed, if not in `.git` and no
+    ## version matching current one
+    if ! [ -d "${OPENSEM_CODE}/.git" ]; then
+        mkdir -p "${OPENSEM_CODE}" &&
+            cd "${OPENSEM_CODE}" &&
+            git init . &&
+        git config user.email "root@localhost" &&
+        git config user.name "Root" || {
+            err "Couldn't create directory ${OPENSEM_CODE}, or init it with git."
+            return 1
+        }
+    fi
+
+    ## Check if we need to upgrade code.
+    if [ "$current_version" == "$OPENSEM_RELEASE" ]; then
+        return 0
+    fi
+
+    cd "${OPENSEM_CODE}" || return 1
+    if [ -d "$PWD"/.git ]; then
+        rm -rf "${PWD:?}"/* "$PWD"/{.version,.env} || return 1
+    else
+        err "Can't find the '.git' directory in ${OPENSEM_CODE}."
+        return 1
+    fi
+    curl -L "$OPENSEM_URL" | tar xJ || {
+        err "Couldn't download $OPENSEM_URL."
+        return 1
+    }
+    sed -ri "s% __DIR__.'/../% '/opt/apps/$SERVICE_NAME/%g" public/index.php || {
+        err "Couldn't patch public/index.php."
+        return 1
+    }
+    echo "$OPENSEM_RELEASE" > .version
+    git add -A . || {
+        err "'git add -A .' in '${OPENSEM_CODE}' failed."
+        return 1
+    }
+    if git diff --staged -s --exit-code; then
+        info "No differences with last saved version."
+    else
+        git commit -m "Release $OPENSEM_RELEASE" || {
+            err "'git commit' failed."
+            return 1
+        }
+        rm -rf "$SERVICE_DATASTORE/var/cache/opensem/"*
+    fi
+}
+
+
+opensem:config() {
+
+    APP_ENV=$(options-get app-env 2>/dev/null) || true
+    APP_ENV=${APP_ENV:-production}
+
+    cat <<EOF > "${OPENSEM_CONFIG_FILE}"
+APP_NAME=OpenSEM
+APP_ENV=${APP_ENV}
+APP_KEY=base64:$(password:get app_key internal 32 base64)
+APP_DEBUG=false
+
+LOG_CHANNEL=stderr
+
+CACHE_DRIVER=array
+SESSION_DRIVER=file
+SESSION_LIFETIME=180
+QUEUE_CONNECTION=sync
+
+CLOCKWORK_ENABLE=false
+XRAY_ENABLED=false
+DEBUGBAR_ENABLED=false
+QUERY_DETECTOR_ENABLED=false
+MICROSCOPE_ENABLED=false
+
+WKHTML_PDF_BINARY='"wkhtmltopdf"'
+WKHTML_IMG_BINARY='"wkhtmltoimage"'
+
+LIMIT_UUID_LENGTH_32=true
+AUTHENTICATION_LOG_NOTIFY=false
+
+REPORTING_API_ENABLED=false
+
+EOF
+
+    service_def=$(get_compose_service_def "$SERVICE_NAME") || return 1
+    echo "Service def: '$service_def'" >&2
+    env=$(e "$service_def" | shyaml get-value -y options.env 2>/dev/null) || true
+    echo "Env: '$env'" >&2
+    if [ -n "$env" ]; then
+        e "$env" | opensem:config-merge || return 1
+    fi
+}
+
+
+artisan() {
+
+    export COMPOSE_IGNORE_ORPHANS=true
+
+    php_fpm_service=$(service:traverse "$SERVICE_NAME":php-fpm) || return 1
+    ## We don't want post deploy that is doing the final http initialization.
+    compose --debug -q --no-init --no-post-deploy --no-pre-deploy \
+            --without-relation="$SERVICE_NAME":publish-dir \
+            run \
+            "${artisan_docker_run_opts[@]}" \
+            -T --rm -w /opt/apps/"$SERVICE_NAME" \
+            --entrypoint php \
+            -u www-data "$php_fpm_service" artisan "$@" | cat
+
+    return "${PIPESTATUS[0]}"
+}
+
+dotenv:quote() {
+    local val="$1"
+
+    # Empty string → quoted so the emptiness is explicit
+    if [[ -z "$val" ]]; then
+        printf "''"
+        return
+    fi
+
+    # Plain token (alnum + _ . - / @ :) doesn’t need quoting
+    if [[ "$val" =~ ^[A-Za-z0-9_.:/@-]+$ ]]; then
+        printf '%s' "$val"
+        return
+    fi
+
+    # If it has no single quotes or newlines, prefer single quotes
+    if [[ "$val" != *"'"* && "$val" != *$'\n'* && "$val" != *$'\r'* ]]; then
+        printf "'%s'" "$val"
+        return
+    fi
+
+    # Fallback: double quotes with escaped specials + newlines
+    local escaped="$val"
+    escaped=${escaped//\\/\\\\}
+    escaped=${escaped//$'\n'/\\n}
+    escaped=${escaped//$'\r'/\\r}
+    escaped=${escaped//$'\t'/\\t}
+    escaped=${escaped//\"/\\\"}
+    escaped=${escaped//\$/\\$}
+    escaped=${escaped//\`/\\\`}
+    printf "\"%s\"" "$escaped"
+}
+
+
+
+## Set or add a single key/value to .env
+opensem:config-set() {
+    local key="$1" val="$2"
+    ## sanity check on key:
+    if ! [[ "$key" =~ ^[A-Z_]+$ ]]; then
+        err "Invalid key name '$key', only [A-Z_] are allowed."
+        return 1
+    fi
+    val=$(dotenv:quote "$val") || return 1
+
+    ## modify or add in "$OPENSEM_CONFIG_FILE"
+    if grep -qE "^[[:space:]]*$key=" "${OPENSEM_CONFIG_FILE}"; then
+        sed -ri "s%^[[:space:]]*${key}=.*$%${key}=${val}%" "${OPENSEM_CONFIG_FILE}" || return 1
+    else
+        echo "${key}=${val}" >> "${OPENSEM_CONFIG_FILE}" || return 1
+    fi
+}
+
+opensem:config-merge() {
+    local key val type
+    local sep=
+    local prefix=
+    if [ -n "$1" ]; then
+        prefix="$(IFS="_"; echo "$*")_"
+    fi
+    while read-0 key type val; do
+        ## sanity check on key:
+        if ! [[ "$key" =~ ^[a-z-]+$ ]]; then
+            err "Invalid key name '$key', only [a-z-] are allowed."
+            return 1
+        fi
+        case "${type##*\!}" in
+            map|seq)
+                e "$val" | opensem:config-merge "$@" "$key" || return 1
+                continue
+                ;;
+            bool)
+                val="${val%$'\n'}"
+                case "${val,,}" in
+                    true|ok|yes|y)
+                        val=true
+                        ;;
+                    false|ko|nok|no|n)
+                        val=false
+                        ;;
+                    *)
+                        die "Invalid value for ${WHITE}$key$NORMAL, please use a boolean value."
+                        ;;
+                esac
+                ;;
+            str|*)
+                val="${val%$'\n'}"
+                val="$(dotenv:quote "$val")"
+                ;;
+        esac
+        key=${key//-/_}
+        key=${key^^}
+        key=${prefix^^}$key
+        opensem:config-set "$key" "$val" || return 1
+    done < <( yq -0 'to_entries | map([.key, .value | type, .value | to_yaml])[] | .[]' )
+}

opensem/metadata.yml

@@ -0,0 +1,77 @@
+description: OpenSem
+subordinate: true
+requires:
+  web-publishing-directory:
+    interface: publish-dir
+    scope: container
+
+
+uses:
+  mysql-database:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      database: "main storage"
+  publish-dir:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    scope: container
+    constraint: required
+    auto: summon
+    solves:
+      container: "main running server"
+    default-options:
+      location: !var-expand "$CONFIGSTORE/$BASE_SERVICE_NAME/opt/apps/opensem/public"
+  backup:
+    constraint: recommended
+    auto: pair
+    solves:
+      backup: "Automatic regular backup"
+    default-options:
+      ## First pattern matching wins, no pattern matching includes.
+      ## include-patterns are checked first, then exclude-patterns
+      ## Patterns rules:
+      ##  - ending / for directory
+      ##  - '*' authorized
+      ##  - must start with a '/', will start from $SERVICE_DATASTORE
+      # include-patterns:
+      #   - /var/backups/pg/
+      exclude-patterns:
+        - "/var/cache/"                    ## cache
+        - "/var/lib/opensem/sessions/"     ## sessions
+        - "/var/lib/opensem/views/"        ## compiled blade cache
+
+  php-fpm:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      container: "main php interpreter"
+    default-options:
+      extensions:
+        - pdo_mysql gd intl
+      sys-tools:
+        - fonts wkhtmltopdf
+  meilisearch-engine:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      container: "meilisearch engine"
+  smtp-server:
+    constraint: required
+    auto: pair
+    solves:
+      mail: "verify email"
+  log-rotate:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      unmanaged-logs: "in docker logs"
+    #default-options: