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grafana_ynh/scripts/install
ericgaspar 867c276323 Fix
2021-08-03 08:02:26 +02:00

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
ynh_clean_setup () {
### Remove this function if there's nothing to clean before calling the remove script.
true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
app=$YNH_APP_INSTANCE_NAME
#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1
# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=2
ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring port..." --weight=1
# Find an available port
port=$(ynh_find_port --port=3000)
ynh_app_setting_set --app=$app --key=port --value=$port
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=44
ynh_install_app_dependencies $pkg_dependencies
ynh_install_extra_app_dependencies --repo="deb https://packages.grafana.com/oss/deb stable main" --package="grafana" --key="https://packages.grafana.com/gpg.key"
#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --weight=2
db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
# None in this package (all APT-based)
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=1
### `ynh_add_nginx_config` will use the file conf/nginx.conf
# Create a dedicated nginx config
ynh_add_nginx_config
#=================================================
# SPECIFIC SETUP
#=================================================
ynh_script_progression --message="Configuring Grafana and InfluxDB..." --weight=30
# If NetData is installed, configure it to feed InfluxDB
netdata_conf="/opt/netdata/etc/netdata/exporting.conf"
if [ -f "$netdata_conf" ] ; then
sed -i '/^\[exporting:global\]$/,/^\[/ {
s/enabled = no/enabled = yes/
s/# update every = 10/update every = 60/
}' $netdata_conf
if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
cat >> $netdata_conf <<EOF
[opentsdb:yunohost]
enabled = yes
destination = localhost:4242
# data source = average
# prefix = netdata
# hostname = my_hostname
update every = 60
# buffer on failures = 10
# timeout ms = 20000
# send names instead of ids = yes
# send charts matching = *
# send hosts matching = localhost *
EOF
fi
# Restart NetData
ynh_systemd_action --service_name=netdata --action="restart"
fi
# Configure InfluxDB
if [ -f /etc/influxdb/influxdb.conf ] ; then
sed -i '/^\[\[opentsdb\]\]$/,/^\[/ s/enabled = false/enabled = true/' /etc/influxdb/influxdb.conf
else
[ -d /etc/influxdb ] || mkdir /etc/influxdb
cp ../conf/influxdb.conf /etc/influxdb
fi
# Start InfluxDB server
ynh_systemd_action --service_name=influxdb --action="restart"
# Configure Grafana
cp ../conf/ldap.toml /etc/grafana
grafana_conf="/etc/grafana/grafana.ini"
# Set final port
sed -i "/^\[server\]$/,/^\[/ s@;http_port = .*@http_port = $port@" $grafana_conf
# Set domain
sed -i "/^\[server\]$/,/^\[/ s@;domain = .*@domain = $domain@" $grafana_conf
# Set final URL
sed -i "/^\[server\]$/,/^\[/ s@;root_url = .*@root_url = https://$domain$path_url@" $grafana_conf
# Specify if using sub_path
if [ "$path_url" != "/" ]; then
sed -i "/^\[server\]$/,/^\[/ s@;serve_from_sub_path = .*@serve_from_sub_path = true@" $grafana_conf
else
sed -i "/^\[server\]$/,/^\[/ s@;serve_from_sub_path = .*@serve_from_sub_path = false@" $grafana_conf
fi
# Disable check for updates
sed -i '/^\[analytics\]$/,/^\[/ s/;check_for_updates = .*/check_for_updates = false/' $grafana_conf
# Disable analytics reporting
sed -i '/^\[analytics\]$/,/^\[/ s/;reporting_enabled = .*/reporting_enabled = false/' $grafana_conf
# Disable organization creation
sed -i '/^\[users\]$/,/^\[/ s/;allow_org_create = .*/allow_org_create = false/' $grafana_conf
# Enable HTTP and LDAP authentication
sed -i '/^\[auth.basic\]$/,/^\[/ s/;enabled = .*/enabled = false/' $grafana_conf
sed -i '/^\[auth.proxy\]$/,/^\[/ s/;enabled = .*/enabled = true/' $grafana_conf
sed -i '/^\[auth.ldap\]$/,/^\[/ {
s/;enabled = .*/enabled = true/
s/;allow_sign_up = .*/allow_sign_up = true/
}' $grafana_conf
# Set log level to debug
sed -i '/^\[log\]$/,/^\[/ s/;level = .*/level = debug/' $grafana_conf
# Change URL and database credentials
sed -i "/^\[database\]$/,/^\[/ {
s/;type = .*/type = mysql/
s/;name = .*/name = $db_name/
s/;user = .*/user = $db_user/
s/;\?password =.*/password = $db_pwd/
}" $grafana_conf
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$grafana_conf"
# Start Grafana and wait for it to be fully started
ynh_systemd_action --service_name=grafana-server --action="restart" --log_path="/var/log/grafana/grafana.log" --line_match="HTTP Server Listen" --timeout=600
# Change admin name to the specified one
mail=$(ynh_user_get_info "$admin" 'mail')
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "UPDATE user SET login=\"$admin\", email=\"$mail\" WHERE login=\"admin\";"
# Create InfluxDB data source
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "INSERT INTO data_source (id, org_id, version, type, name, access, url, password, user, \`database\`, basic_auth, basic_auth_user, basic_auth_password, is_default, json_data, created, updated, with_credentials, secure_json_data) VALUES (99999, 1, 0, 'influxdb', 'InfluxDB', 'proxy', 'http://localhost:8086', '', '', 'opentsdb', 0, '', '', 0, '{\"tsdbResolution\":1,\"tsdbVersion\":1}', '2017-02-12 14:35:33', '2017-02-12 14:36:27', 0, '{}');"
# Import default dashboard for NetData (source: https://grafana.com/grafana/dashboards/2701)
# Remove new lines
tr -d '\n' < ../conf/netdata_dashboard.json > dashboard.json
# Fill the template with the defined data source
sed -i 's/${DS_CENTCOM-INFLUXDB}/InfluxDB/g' dashboard.json
# Escape the dashboard definition for MySQL query (source: https://stackoverflow.com/a/4383994)
dashboard=$(cat dashboard.json)
printf -v escaped_dashboard "%q" "$dashboard"
# Import dashboard into MySQL
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "INSERT INTO dashboard (id, version, slug, title, data, org_id, created, updated, uid) VALUES
(99999, 0, 'NetData', 'NetData', \"$escaped_dashboard\", 1, '2020-05-16 14:36:50', '2020-05-16 14:36:50', 'yunohost');"
# Add dashboard version
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "INSERT INTO dashboard_version (id, dashboard_id, parent_version, restored_from, version, created, created_by, message, data) VALUES (99999, 99999, 0, 0, 1, '2020-05-16 14:36:50', 1, 'YunoHost installer', \"$escaped_dashboard\");"
# Enable the systemd service so that InfluxDB and Grafana start at boot
systemctl enable influxdb.service --quiet
systemctl enable grafana-server.service --quiet
#=================================================
# GENERIC FINALIZATION
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
yunohost service add influxdb --description="open source time series database" --log="/var/log/grafana/grafana.log"
yunohost service add grafana-server --description="open source analytics and monitoring solution" --log="/var/log/grafana/grafana.log"
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=2
ynh_systemd_action --service_name=grafana-server --action="restart" --log_path="/var/log/grafana/grafana.log" --line_match="HTTP Server Listen" --timeout=600
#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1
# Make app public if necessary
if [ $is_public -eq 1 ]
then
ynh_permission_update --permission="main" --add="visitors"
fi
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Installation of $app completed" --last