From abf2b548af9deb592d79ee1e6268719baa38a562 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Sat, 26 Sep 2020 08:33:51 +0200
Subject: [PATCH] new: [cyclos] new charm

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>
---
 cyclos/hooks/init                             | 47 +++++++++++++++++++
 .../hooks/postgres_database-relation-joined   | 19 ++++++++
 cyclos/lib/common                             | 14 ++++++
 cyclos/metadata.yml                           | 41 ++++++++++++++++
 postgres/lib/common                           | 14 +++++-
 5 files changed, 134 insertions(+), 1 deletion(-)
 create mode 100755 cyclos/hooks/init
 create mode 100755 cyclos/hooks/postgres_database-relation-joined
 create mode 100644 cyclos/lib/common
 create mode 100644 cyclos/metadata.yml

diff --git a/cyclos/hooks/init b/cyclos/hooks/init
new file mode 100755
index 00000000..2947a5ee
--- /dev/null
+++ b/cyclos/hooks/init
@@ -0,0 +1,47 @@
+#!/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
+
+
+# Please note that postgres detect on its own if its datadir needs to be populated
+
+
+. lib/common
+
+
+if ! [ -f "$HOST_CYCLOS_CONFIG" ]; then
+    ## create cyclos.properties
+    cyclos:build || exit 1
+fi
+
+if ! [ -f "$HOST_CYCLOS_CONFIG" ]; then
+    err "No file '$HOST_CYCLOS_CONFIG'."
+    return 1
+fi
+
+PROPS=(
+    cyclos.header.remoteAddress X-Forwarded-For
+    cyclos.header.protocol X-Forwarded-Proto
+)
+
+while read-0 label value; do
+    sed -ri "s/^($label\s+=)\s*.*/\1 $value/g" "$HOST_CYCLOS_CONFIG" >&2
+done < <(array_values_to_stdin PROPS)
+
+
+init-config-add "
+$SERVICE_NAME:
+  environment:
+    JAVA_OPTS: |
+      -Dcyclos.cors.origin=*
+      -Dcyclos.header.remoteAddress=X-Forwarded-For
+      -Dcyclos.header.protocol=X-Forwarded-Proto
+"
diff --git a/cyclos/hooks/postgres_database-relation-joined b/cyclos/hooks/postgres_database-relation-joined
new file mode 100755
index 00000000..f5441704
--- /dev/null
+++ b/cyclos/hooks/postgres_database-relation-joined
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e
+
+PASSWORD="$(relation-get password)"
+USER="$(relation-get user)"
+DBNAME="$(relation-get dbname)"
+
+config-add "\
+services:
+  $MASTER_BASE_SERVICE_NAME:
+    environment:
+      DB_HOST: \"$MASTER_TARGET_SERVICE_NAME\"
+      DB_NAME: \"$DBNAME\"
+      DB_USER: \"$USER\"
+      DB_PASSWORD: \"$PASSWORD\"
+"
+
+info "Configured $SERVICE_NAME code for $TARGET_SERVICE_NAME access."
diff --git a/cyclos/lib/common b/cyclos/lib/common
new file mode 100644
index 00000000..c127b1da
--- /dev/null
+++ b/cyclos/lib/common
@@ -0,0 +1,14 @@
+# -*- mode: bash -*-
+
+
+CYCLOS_CONFIG="/usr/local/cyclos/WEB-INF/classes/cyclos.properties"
+HOST_CYCLOS_CONFIG="$SERVICE_CONFIGSTORE$CYCLOS_CONFIG"
+
+cyclos:build() {
+    docker pull "$DOCKER_BASE_IMAGE" || return 1
+    mkdir -p "$(dirname "$HOST_CYCLOS_CONFIG")"
+    container_id=$(docker run -d --entrypoint true "$DOCKER_BASE_IMAGE") || return 1
+    mkdir -p "$(dirname "$HOST_CYCLOS_CODE")" &&
+        docker cp "$container_id":"$CYCLOS_CONFIG" "$HOST_CYCLOS_CONFIG" &&
+        docker rm "$container_id"
+}
diff --git a/cyclos/metadata.yml b/cyclos/metadata.yml
new file mode 100644
index 00000000..499fde46
--- /dev/null
+++ b/cyclos/metadata.yml
@@ -0,0 +1,41 @@
+## Based on cyclos/cyclos:4.13.2
+docker-image: docker.0k.io/cyclos:4.13.2
+config-resources:
+  - /usr/local/cyclos/WEB-INF/classes/cyclos.properties
+data-resources:
+  - /var/log/cyclos
+
+default-options:
+
+uses:
+  postgres-database:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      database: "main storage"
+    default-options:
+      extensions:
+        - cube
+        - earthdistance
+        - postgis
+        - unaccent
+  log-rotate:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      unmanaged-logs: "in docker logs"
+    #default-options:
+  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 ${MASTER_BASE_SERVICE_NAME}:8080
+
diff --git a/postgres/lib/common b/postgres/lib/common
index 75716f74..a6feb29e 100644
--- a/postgres/lib/common
+++ b/postgres/lib/common
@@ -73,7 +73,19 @@ db_install_extensions() {
     while [ "$#" != 0 ]; do
         case "$1" in
             postgis)
-                ddb -d "$dbname" < <(echo "CREATE EXTENSION postgis; CREATE EXTENSION postgis_topology;") || return 1
+                if out=$(ddb -d "$dbname" < <(echo "SELECT extname
+                                                    FROM pg_extension
+                                                    WHERE extname = 'postgis';")); then
+                    if [ "$out" ]; then
+                        info "PostGIS already installed."
+                        shift
+                        continue
+                    fi
+                fi
+
+                ddb -d "$dbname" < <(echo "CREATE EXTENSION IF NOT EXISTS postgis;
+                                           CREATE EXTENSION IF NOT EXISTS postgis_topology;") || return 1
+
                 dcmd /bin/bash -c "psql -d '$dbname' -v ON_ERROR_STOP=1 -f /usr/local/share/postgresql/contrib/postgis-*/legacy.sql" || return 1
                 info "Installed postgis extensions on database '$dbname'."
                 ;;