From 9b2bc481d0bfdea1b9cac689efbc3ad27bfe7d4f Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Wed, 23 Jan 2019 15:23:35 +0100
Subject: [PATCH] new: [gitea] new charm

---
 gitea/hooks/init                              | 100 ++++++++++++++++++
 gitea/hooks/postgres_database-relation-joined |  47 ++++++++
 gitea/hooks/pre_deploy                        |   8 ++
 gitea/hooks/web_proxy-relation-joined         |  11 ++
 gitea/lib/common                              |  22 ++++
 gitea/metadata.yml                            |  38 +++++++
 6 files changed, 226 insertions(+)
 create mode 100755 gitea/hooks/init
 create mode 100755 gitea/hooks/postgres_database-relation-joined
 create mode 100755 gitea/hooks/pre_deploy
 create mode 100755 gitea/hooks/web_proxy-relation-joined
 create mode 100644 gitea/lib/common
 create mode 100644 gitea/metadata.yml

diff --git a/gitea/hooks/init b/gitea/hooks/init
new file mode 100755
index 00000000..a768bcb4
--- /dev/null
+++ b/gitea/hooks/init
@@ -0,0 +1,100 @@
+#!/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
+
+
+set -e
+
+. lib/common
+
+mkdir -p "$(dirname "$SERVICE_DATASTORE$CONFIG_FILE")"
+cat <<EOF > "$SERVICE_DATASTORE$CONFIG_FILE"
+
+APP_NAME = Gitea: Git with a cup of tea
+RUN_MODE = prod
+RUN_USER = git
+
+[repository]
+ROOT = /data/git/repositories
+
+[repository.local]
+LOCAL_COPY_PATH = /data/gitea/tmp/local-repo
+
+[repository.upload]
+TEMP_PATH = /data/gitea/uploads
+
+[server]
+APP_DATA_PATH    = /data/gitea
+SSH_DOMAIN       = localhost
+HTTP_PORT        = 3000
+ROOT_URL         = http://$SERVICE_NAME:3000/
+DISABLE_SSH      = false
+SSH_PORT         = 5022
+LFS_CONTENT_PATH = /data/git/lfs
+DOMAIN           = localhost
+LFS_START_SERVER = true
+LFS_JWT_SECRET   = j5N_xbVaT12B6qMM5Zc2jy0gSJPOAxGICGKio0Q8Ygo
+OFFLINE_MODE     = false
+
+[database]
+PATH     = /data/gitea/gitea.db
+DB_TYPE  = sqlite3
+HOST     = postgres
+NAME     = gitea
+USER     = root
+PASSWD   =
+SSL_MODE = disable
+
+[indexer]
+ISSUE_INDEXER_PATH = /data/gitea/indexers/issues.bleve
+
+[session]
+PROVIDER_CONFIG = /data/gitea/sessions
+PROVIDER        = file
+
+[picture]
+AVATAR_UPLOAD_PATH      = /data/gitea/avatars
+DISABLE_GRAVATAR        = false
+ENABLE_FEDERATED_AVATAR = true
+
+[attachment]
+PATH = /data/gitea/attachments
+
+[log]
+ROOT_PATH = /data/gitea/log
+MODE      = file
+LEVEL     = Info
+
+[security]
+INSTALL_LOCK   = true
+SECRET_KEY     = ZmxgxfSNZZgMEm3MJW1Nn6BfWqSuats7MIHQvgGD2AwIH2Vdx1L77yw569bWJXPI
+INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE1NDgyNDE1OTR9.1Uu3crRVkqamIL5U2axcRJh-HEEZzMLbrLvHlhgTv0g
+
+[service]
+DISABLE_REGISTRATION              = false
+REQUIRE_SIGNIN_VIEW               = false
+REGISTER_EMAIL_CONFIRM            = false
+ENABLE_NOTIFY_MAIL                = false
+ALLOW_ONLY_EXTERNAL_REGISTRATION  = false
+ENABLE_CAPTCHA                    = false
+DEFAULT_KEEP_EMAIL_PRIVATE        = false
+DEFAULT_ALLOW_CREATE_ORGANIZATION = true
+DEFAULT_ENABLE_TIMETRACKING       = true
+NO_REPLY_ADDRESS                  = noreply.example.org
+
+[mailer]
+ENABLED = false
+
+[openid]
+ENABLE_OPENID_SIGNIN = false
+ENABLE_OPENID_SIGNUP = false
+EOF
+
diff --git a/gitea/hooks/postgres_database-relation-joined b/gitea/hooks/postgres_database-relation-joined
new file mode 100755
index 00000000..1f4ce2ae
--- /dev/null
+++ b/gitea/hooks/postgres_database-relation-joined
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+set -e
+
+PASSWORD="$(relation-get password)"
+DBUSER="$(relation-get user)"
+DBNAME="$(relation-get dbname)"
+
+. lib/common
+
+
+control=$(printf "%s\0" "$DBUSER" "$DBNAME" "$PASSWORD" | md5_compat)
+
+## Note: we don't use environment variable as it will be ignored if
+## $CONFIG_FILE is found. So better modify directly the config file.
+# config-add "\
+# services:
+#   $MASTER_BASE_SERVICE_NAME:
+#     environment:
+#     - DB_TYPE=postgres
+#     - DB_HOST=$MASTER_TARGET_SERVICE_NAME
+#     - DB_NAME=$DBNAME
+#     - DB_USER=$USER
+#     - DB_PASSWD=$PASSWORD
+# "
+
+# ini set database DB_TYPE postgres
+# ini set database HOST postgres
+# ini set database NAME gitea.mydomain.org
+# ini set database USER gitea.mydomain.org
+# ini set database PASSWD g61wsLvKj8cF6A1S
+# ini set database SSL_MODE disable
+
+ini merge <<EOF
+[database]
+DB_TYPE = postgres
+HOST = $MASTER_TARGET_SERVICE_NAME
+NAME = $DBNAME
+USER = $DBUSER
+PASSWD = $PASSWORD
+SSL_MODE = disable
+EOF
+
+
+relation-set control "$control"
+
+info "Configured $SERVICE_NAME code for $TARGET_SERVICE_NAME access."
diff --git a/gitea/hooks/pre_deploy b/gitea/hooks/pre_deploy
new file mode 100755
index 00000000..5beaeff4
--- /dev/null
+++ b/gitea/hooks/pre_deploy
@@ -0,0 +1,8 @@
+#!/bin/bash
+## Should be executable N time in a row with same result.
+
+set -e
+
+. lib/common
+
+gitea_config_hash || exit 1
diff --git a/gitea/hooks/web_proxy-relation-joined b/gitea/hooks/web_proxy-relation-joined
new file mode 100755
index 00000000..6fa2f4c8
--- /dev/null
+++ b/gitea/hooks/web_proxy-relation-joined
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+. lib/common
+
+DOMAIN=$(relation-get domain) || exit 1
+
+ini set server ROOT_URL "http://$DOMAIN/"
+ini set server SSH_DOMAIN "$DOMAIN"
+
diff --git a/gitea/lib/common b/gitea/lib/common
new file mode 100644
index 00000000..3e05dbc1
--- /dev/null
+++ b/gitea/lib/common
@@ -0,0 +1,22 @@
+# -*- mode: shell-script -*-
+
+
+CONFIG_FILE=/data/gitea/conf/app.ini
+
+
+ini() {
+    local action="$1"
+    shift
+    crudini "--$action" "$SERVICE_DATASTORE$CONFIG_FILE" "$@"
+}
+
+
+gitea_config_hash() {
+    config_hash=$(cat "$SERVICE_DATASTORE$CONFIG_FILE" | md5_compat) || exit 1
+    init-config-add "
+$MASTER_BASE_SERVICE_NAME:
+  labels:
+    - compose.config_hash=$config_hash
+"
+
+}
\ No newline at end of file
diff --git a/gitea/metadata.yml b/gitea/metadata.yml
new file mode 100644
index 00000000..83389c34
--- /dev/null
+++ b/gitea/metadata.yml
@@ -0,0 +1,38 @@
+description: "Gitea Server"
+maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
+## XXXvlab: docker uses the 'build' directory or the 'image:' option here.
+docker-image: docker.0k.io/gitea
+docker-compose:
+  ports:
+    - "5022:22"
+  # environment:
+  #   - USER_UID=1000
+  #   - USER_GID=1000
+data-resources:
+  - /data
+
+# default-options:
+#   config: |
+
+uses:
+  log-rotate:
+    constraint: recommended
+    auto: pair
+    solves:
+      disk-leak: "/data"
+  postgres-database:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: optional
+    auto: pair
+    solves:
+      database: "main storage"
+  web-proxy:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      proxy: "Public access"
+    default-options:
+      target: !var-expand ${MASTER_BASE_SERVICE_NAME}:3000