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Add flag options to deployment script with getopts

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This commit is contained in:
Juan Carlos Mejías Rodríguez 2018-11-24 13:00:15 -05:00
parent fe85cc731f
commit 3fe1ead303
1 changed files with 49 additions and 14 deletions
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63
deploy Executable file → Normal file
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@ -1,5 +1,25 @@
#!/usr/bin/env bash
#######################################
# Check a parameter has been provided #
# Arguments: #
# $1 Argument value #
# $2 Argument name #
# $3 Argument envvar #
# $4 Argument flag #
#######################################
check_argument () {
local argument_value=$1
local argument_name=$2
local argument_envvar=$3
local argument_flag=$4
if [ -z "$argument_value" ]; then
echo "Error: Missing argument \"$argument_name\"."
echo "Try setting \"$argument_envvar\" environment variable or using the \"-$argument_flag\" flag."
exit 1
fi
}
###########################################
# Checks for error exit codes from httpie #
# Arguments: #
@ -22,24 +42,39 @@ check_for_errors () {
fi
}
PORTAINER_USER=${PORTAINER_USER:-"user"}
PORTAINER_PASSWORD=${PORTAINER_PASSWORD:-"password"}
PORTAINER_URL=${PORTAINER_URL:-"https://portainer.example.com"}
PORTAINER_PRUNE=${PORTAINER_PRUNE:-"false"}
# Set arguments through envvars
PORTAINER_USER=${PORTAINER_USER}
PORTAINER_PASSWORD=${PORTAINER_PASSWORD}
PORTAINER_URL=${PORTAINER_URL}
PORTAINER_STACK_NAME=${PORTAINER_STACK_NAME}
DOCKER_COMPOSE_FILE=${DOCKER_COMPOSE_FILE}
PORTAINER_ENDPOINT=${PORTAINER_ENDPOINT:-"1"}
PORTAINER_PRUNE=${PORTAINER_PRUNE:-"false"}
HTTPIE_VERIFY_SSL=${HTTPIE_VERIFY_SSL:-"yes"}
if [ -z ${1+x} ]; then
echo "Error: Parameter #1 missing (stack name)"
exit 1
fi
STACK_NAME="$1"
# Set arguments through flags
while getopts u:p:l:n:c:e:rs option; do
case "${option}" in
u) PORTAINER_USER=${OPTARG} ;;
p) PORTAINER_PASSWORD=${OPTARG} ;;
l) PORTAINER_URL=${OPTARG} ;;
n) PORTAINER_STACK_NAME=${OPTARG} ;;
c) DOCKER_COMPOSE_FILE=${OPTARG} ;;
e) PORTAINER_ENDPOINT=${OPTARG:-$PORTAINER_ENDPOINT} ;;
r) PORTAINER_PRUNE=${"true":-$PORTAINER_PRUNE} ;;
s) HTTPIE_VERIFY_SSL=${"no":-$HTTPIE_VERIFY_SSL} ;;
esac
done
if [ -z ${2+x} ]; then
echo "Error: Parameter #2 missing (path to yaml)"
exit 1
fi
STACK_YAML_PATH="$2"
# Check required arguments have been provided
check_argument "$PORTAINER_USER" "portainer user" "PORTAINER_USER" "u"
check_argument "$PORTAINER_PASSWORD" "portainer password" "PORTAINER_PASSWORD" "p"
check_argument "$PORTAINER_URL" "portainer url" "PORTAINER_URL" "l"
check_argument "$PORTAINER_STACK_NAME" "portainer stack name" "PORTAINER_STACK_NAME" "n"
check_argument "$DOCKER_COMPOSE_FILE" "docker compose file" "DOCKER_COMPOSE_FILE" "c"
STACK_NAME=$PORTAINER_STACK_NAME
STACK_YAML_PATH=$DOCKER_COMPOSE_FILE
STACK_YAML_CONTENT=$(cat "$STACK_YAML_PATH")