5f532d0841
This commit allows an instance to be skipped for the purposes of the resolver by adding a file named `prefixes.skip` to the instance base directory. This can be useful for dummy or cloned instances.
99 lines
3.5 KiB
Bash
99 lines
3.5 KiB
Bash
#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# This file reads a single slug command line option.
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# This is validated when 'require_slug_argument' is called.
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function require_slug_argument() {
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# The 'SLUG' argument must be a valid slug.
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if ! is_valid_slug "$SLUG"; then
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log_error "Argument 'SLUG' is missing or not a valid slug. ";
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log_info "Please provide it via the command line. ";
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exit 1;
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fi
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log_info " => Deriving configuration for '$SLUG'. "
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if [ ! -n "DISABLE_LOG" ]; then
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echo "Domain Name: $INSTANCE_DOMAIN"
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echo "Base Directory: $INSTANCE_BASE_DIR"
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echo "MySQL User: $MYSQL_USER"
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echo "MySQL Database: $MYSQL_DATABASE"
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echo "GraphDB User: $GRAPHDB_USER"
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echo "GraphDB Repository: $GRAPHDB_REPO"
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fi
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}
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# Read the slug argument.
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# We also read it in for scripts where it is not required, and will only use it if that is the case.
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SLUG="$1"
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# Compute the domain name for this instance.
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# Also lowercase the domain name for consistency.
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function compute_instance_domain() {
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INSTANCE_DOMAIN="$1.$DEFAULT_DOMAIN"
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INSTANCE_DOMAIN="$(echo "$INSTANCE_DOMAIN" | tr '[:upper:]' '[:lower:]')"
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echo "$INSTANCE_DOMAIN"
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}
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INSTANCE_DOMAIN="$(compute_instance_domain "$SLUG")"
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# compute the url pointing to an instance
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function compute_instance_url() {
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if [ -n "$CERTBOT_EMAIL" ]; then
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echo -n "https://"
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else
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echo "http://"
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fi
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compute_instance_domain "$@"
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}
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# Next we need a username base.
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# This will be used as a username across the system (linux), MySQL and GraphDB.
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# For this we can only allow [0-9a-zA-Z-], hence we have to escape.
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# In most cases, the only characters that require escaping are '.'s.
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# Hence we replace '.' with '-'s.
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# We replace the other two characters that require escaping (_ and -)s with --u and --s respectively.
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# Because no two dots can ever follow each other in the INSTANCE_DOMAIN, this is guaranteed collision free.
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# We also have to do the '-' replacement first, to prevent escaped other characters from being escaped twice.
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USERNAME_BASE="$SLUG"
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USERNAME_BASE="${USERNAME_BASE//-/--d}"
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USERNAME_BASE="${USERNAME_BASE//_/--u}"
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USERNAME_BASE="${USERNAME_BASE//./-}"
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# Generate the user and database names for the various systems
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MYSQL_USER="${MYSQL_USER_PREFIX}${USERNAME_BASE}"
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MYSQL_DATABASE="${MYSQL_DATABASE_PREFIX}${USERNAME_BASE}"
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GRAPHDB_USER="${GRAPHDB_USER_PREFIX}${USERNAME_BASE}"
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GRAPHDB_REPO="${GRAPHDB_REPO_PREFIX}${USERNAME_BASE}"
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# Compute the base directory for the files that will live on disk.
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INSTANCE_BASE_DIR="$DEPLOY_INSTANCES_DIR/$INSTANCE_DOMAIN"
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INSTANCE_DATA_DIR="$INSTANCE_BASE_DIR/data/"
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# compute the prefix file
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function compute_instance_prefixfile() {
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INSTANCE_BASE_DIR="$1"
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INSTANCE_PREFIX_FILE="$INSTANCE_BASE_DIR/prefixes"
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echo "$INSTANCE_PREFIX_FILE"
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}
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INSTANCE_PREFIX_FILE="$(compute_instance_prefixfile "$INSTANCE_BASE_DIR" )"
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# compute the prefix file
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function compute_instance_noprefixfile() {
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INSTANCE_BASE_DIR="$1"
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INSTANCE_PREFIX_FILE="$INSTANCE_BASE_DIR/prefixes.skip"
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echo "$INSTANCE_PREFIX_FILE"
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}
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INSTANCE_NOPREFIX_FILE="$(compute_instance_noprefixfile "$INSTANCE_BASE_DIR" )"
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if [ -n "$CERTBOT_EMAIL" ]; then
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LETSENCRYPT_HOST="$INSTANCE_DOMAIN"
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LETSENCRYPT_EMAIL="$CERTBOT_EMAIL"
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fi;
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