deploy_cookbook.sh

deploy_cookbook ()
{
    EXPECTED_ARGS=2;
    BAD_ARGS_ERROR_CODE=65;
    if [ $# -ne $EXPECTED_ARGS ]; then
        echo 'Usage: deploy_cookbook ${ENV} ${COOKBOOK}';
        return $BAD_ARGS_ERROR_CODE;
    fi;
    environment=$1;
    cookbook=$2;
    if [[ $environment == "prod" ]]; then
        environment="production";
    fi;
    if [[ $environment == "staging" ]]; then
        freeze="";
    else
        freeze="--freeze";
    fi;
    echo "Checking that ${cookbook} is up to date with remote";
    local grep_code;
    pushd ${CHEF_PATH}/cookbooks/${cookbook} > /dev/null;
    git remote update;
    git status -uno | grep 'Your branch is behind';
    grep_code=$?;
    popd > /dev/null;
    if [[ "${grep_code}" == "0" ]]; then
        echo "${cookbook} is not up to date, exiting";
        return 1;
    fi;
    pushd $CHEF_PATH > /dev/null;
    bundle exec knife cookbook upload $cookbook $freeze -c ${CHEF_PATH}/${environment}/knife.rb || return 1;
    bundle exec knife spork promote $environment $cookbook -c ${CHEF_PATH}/staging/knife.rb || return 1;
    bundle exec knife environment from file ${CHEF_PATH}/environments/${environment}.json -c ${CHEF_PATH}/${environment}/knife.rb || return 1;
    git commit;
    git push;
    popd > /dev/null
}