mirror of
https://github.com/jpetazzo/container.training.git
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c9820376ff
It is now possible to set the user login (instead of having it hardcoded to "docker"). Also, various actions have been broken out in separate functions to facilitate future maintenance.
95 lines
2.5 KiB
Bash
95 lines
2.5 KiB
Bash
# Abort if any error happens, and show the command that caused the error.
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_ERR() {
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error "Command $BASH_COMMAND failed (exit status: $?)"
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}
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set -eE
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trap _ERR ERR
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die() {
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if [ -n "$1" ]; then
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error "$1"
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fi
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exit 1
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}
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error() {
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>/dev/stderr echo "[$(red ERROR)] $1"
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}
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warning() {
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>/dev/stderr echo "[$(yellow WARNING)] $1"
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}
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info() {
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>/dev/stderr echo "[$(green INFO)] $1"
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}
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# Print a full-width separator.
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# If given an argument, will print it in the middle of that separator.
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# If the argument is longer than the screen width, it will be printed between two separator lines.
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sep() {
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if [ -z "$COLUMNS" ]; then
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COLUMNS=80
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fi
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SEP=$(yes = | tr -d "\n" | head -c $(($COLUMNS - 1)))
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if [ -z "$1" ]; then
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>/dev/stderr echo $SEP
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else
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MSGLEN=$(echo "$1" | wc -c)
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if [ $(($MSGLEN + 4)) -gt $COLUMNS ]; then
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>/dev/stderr echo "$SEP"
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>/dev/stderr echo "$1"
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>/dev/stderr echo "$SEP"
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else
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LEFTLEN=$((($COLUMNS - $MSGLEN - 2) / 2))
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RIGHTLEN=$(($COLUMNS - $MSGLEN - 2 - $LEFTLEN))
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LEFTSEP=$(echo $SEP | head -c $LEFTLEN)
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RIGHTSEP=$(echo $SEP | head -c $RIGHTLEN)
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>/dev/stderr echo "$LEFTSEP $1 $RIGHTSEP"
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fi
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fi
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}
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need_infra() {
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if [ -z "$1" ]; then
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die "Please specify infrastructure file. (e.g.: infra/aws)"
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fi
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if [ "$1" = "--infra" ]; then
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die "The infrastructure file should be passed directly to this command. Remove '--infra' and try again."
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fi
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if [ ! -f "$1" ]; then
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die "Infrastructure file $1 doesn't exist."
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fi
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. "$1"
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. "lib/infra/$INFRACLASS.sh"
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}
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need_tag() {
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if [ -z "$TAG" ]; then
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die "Please specify a tag. To see available tags, run: $0 tags"
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fi
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if [ ! -d "tags/$TAG" ]; then
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die "Tag $TAG not found (directory tags/$TAG does not exist)."
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fi
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for FILE in settings.yaml ips.txt infra.sh; do
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if [ ! -f "tags/$TAG/$FILE" ]; then
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warning "File tags/$TAG/$FILE not found."
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fi
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done
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. "tags/$TAG/infra.sh"
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. "lib/infra/$INFRACLASS.sh"
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}
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need_settings() {
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if [ -z "$1" ]; then
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die "Please specify a settings file. (e.g.: settings/kube101.yaml)"
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fi
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if [ ! -f "$1" ]; then
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die "Settings file $1 doesn't exist."
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fi
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}
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need_login_password() {
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USER_LOGIN=$(yq -r .user_login < tags/$TAG/settings.yaml)
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USER_PASSWORD=$(yq -r .user_password < tags/$TAG/settings.yaml)
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} |