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Recommend the use of ynh_add_config

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This commit is contained in:
Alexandre Aubin 2021-03-12 16:41:18 +01:00
parent bce4473299
commit b7b0e172a5
2 changed files with 31 additions and 21 deletions
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33
scripts/install
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@ -229,24 +229,29 @@ ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"
ynh_permission_update --permission="main" --remove="visitors"
#=================================================
# MODIFY A CONFIG FILE
# ADD A CONFIGURATION
#=================================================
### `ynh_replace_string` is used to replace a string in a file.
### (It's compatible with sed regular expressions syntax)
### You can add specific configuration files.
###
### Typically, put your template conf file in ../conf/your_config_file
### The template may contain strings such as __FOO__ or __FOO_BAR__,
### which will automatically be replaced by the values of $foo and $foo_bar
###
### ynh_add_config will also keep track of the config file's checksum,
### which later during upgrade may allow to automatically backup the config file
### if it's found that the file was manually modified
###
### Check the documentation of `ynh_add_config` for more info.
ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/CONFIG_FILE"
ynh_add_config --template="some_config_file" --destination="$final_path/some_config_file"
#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
### `ynh_store_file_checksum` is used to store the checksum of a file.
### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
### you can make a backup of this file before modifying it again if the admin had modified it.
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$final_path/CONFIG_FILE"
### For more complex cases where you want to replace stuff using regexes,
### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
### When doing so, you also need to manually call ynh_store_file_checksum
###
### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/some_config_file"
### ynh_store_file_checksum --file="$final_path/some_config_file"
#=================================================
# GENERIC FINALIZATION

19
scripts/upgrade
View File

@ -159,17 +159,22 @@ ynh_script_progression --message="Upgrading systemd configuration..." --time --w
ynh_add_systemd_config
#=================================================
# MODIFY A CONFIG FILE
# UPDATE A CONFIG FILE
#=================================================
### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
ynh_backup_if_checksum_is_different --file="$final_path/CONFIG_FILE"
### Same as during install
###
### The file will automatically be backed-up if it's found to be manually modified (because
### ynh_add_config keeps track of the file's checksum)
ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/CONFIG_FILE"
ynh_add_config --template="some_config_file" --destination="$final_path/some_config_file"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$final_path/CONFIG_FILE"
### For more complex cases where you want to replace stuff using regexes,
### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
### When doing so, you also need to manually call ynh_store_file_checksum
###
### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/some_config_file"
### ynh_store_file_checksum --file="$final_path/some_config_file"
#=================================================
# GENERIC FINALIZATION