220 lines
6.2 KiB
Bash
220 lines
6.2 KiB
Bash
#!/usr/bin/env sh
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####
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#### WARNING:
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####
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#### bootstrap.sh and bootstrap.yml should be updated together. They should do the
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#### exact same things with the following exceptions:
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####
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#### * bootstrap.sh
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#### - at the end it should run ansible-pull.sh against bootstrap.yml
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####
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#### * bootstrap.yml
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#### - at the end it should configure cron to schedule ansible-pull.sh
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####
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#### !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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#### ! Make sure to keep them in sync !
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#### !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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####
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#
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#### VARIABLES
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#
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TIMESTAMP="$(date "+%Y%m%d%H%M%S")"
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GIT_REPO_BASE="https://gitea.admin-a.hpetersenfamily.com/heath/ansible"
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GIT_REPO_BRANCH="${1:-"development"}"
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GIT_REPO_FILES="${GIT_REPO_BASE}/raw/branch/${GIT_REPO_BRANCH}/files"
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GIT_REPO_sudoers_d_hpf="${GIT_REPO_FILES}/etc/sudoers.d/hpf"
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GIT_REPO_SKEL_ansible_venv_sh="${GIT_REPO_FILES}/etc/skel/.profile.d/ansible-venv.sh"
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GIT_REPO_SKEL_profile="${GIT_REPO_FILES}/etc/skel/.profile"
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GIT_REPO_ansible_pull_sh="${GIT_REPO_FILES}/home/hpf-ans/bin/ansible-pull.sh"
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ETC_sudoers_d="/etc/sudoers.d"
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ETC_sudoers_d_hpf="${ETC_sudoers_d}/hpf"
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unset SKEL
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if [ -r /etc/default/useradd ] ; then . /etc/default/useradd ; fi
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SKEL="${SKEL:-/etc/skel}"
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SKEL_profile_d="${SKEL}/.profile.d"
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SKEL_ansible_venv_sh="${SKEL_profile_d}/ansible-venv.sh"
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SKEL_profile="${SKEL}/.profile"
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ANSIBLE_PULL_SH_LOG_DIR="/var/log/ansible-pull.sh"
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#
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#### FUNCTIONS
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#
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# $group_name $group_number
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group_exists () {
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grep -q "^$1:[^:]*:$2:" /etc/group
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}
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# $user_name $user_number
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user_exists () {
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grep -q "^$1:[^:]*:$2:$2:" /etc/passwd
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}
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# $group_name $group_number
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system_groupadd () {
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if group_exists "$1" "$2" ; then return 0 ; fi
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groupadd -r -g "$2" "$1"
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rc=$?
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if [ $rc -ne 0 ] ; then
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echo "ERROR - Unable to add $1 group! ($rc)" >&2
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exit 1
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fi
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}
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# $user_name $user_number
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system_useradd () {
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if user_exists "$1" "$2" ; then return 0 ; fi
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system_groupadd "${@}"
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useradd -r -u "$2" -g "$2" -s /usr/bin/bash -m "$1"
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rc=$?
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if [ $rc -ne 0 ] ; then
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echo "ERROR - Unable to add $1 user! ($rc)" >&2
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exit 2
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fi
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}
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# $groups $user_name
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add_groups_to_user () {
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usermod -aG "$1" "$2"
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rc=$?
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if [ $rc -ne 0 ] ; then
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echo "ERROR - Unable to add groups ($1) to user ($2)! ($rc)" >&2
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exit 3
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fi
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}
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# $source_file $dest_file $dest_file_ownership $dest_file_permissions
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get_file() {
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local source_file dest_file dest_file_ownership dest_file_permissions
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source_file="${1}"
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dest_file="${2}"
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dest_file_ownership="${3}"
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dest_file_permissions="${4}"
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if [ -e "${dest_file}" ] ; then mv "${dest_file}" "${dest_file}.${TIMESTAMP}" ; fi
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if ! curl -f -o "${dest_file}" "${source_file}" ; then
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echo "ERROR - Unable to download \"${source_file}\"" >&2
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echo " to \"${dest_file}\"." >&2
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exit 4
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fi
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if ! chown "${dest_file_ownership}" "${dest_file}" ; then
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echo "ERROR - Unable to change ownership of \"${dest_file}\" to \"${dest_file_ownership}\"" >&2
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exit 4
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fi
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if ! chmod "${dest_file_permissions}" "${dest_file}" ; then
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echo "ERROR - Unable to change permissions of \"${dest_file}\" to \"${dest_file_permissions}\"" >&2
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exit 4
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fi
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}
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# $directory $directory_ownership $directory_permissions
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create_directory() {
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local directory directory_ownership directory_permissions
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directory="${1}"
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directory_ownership="${2}"
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directory_permissions="${3}"
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if ! mkdir -p "${directory}" ; then
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echo "ERROR - Unable to create directory \"${directory}\"" >&2
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exit 5
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fi
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if ! chown "${directory_ownership}" "${directory}" ; then
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echo "ERROR - Unable to change ownership of \"${directory}\" to \"${directory_ownership}\"" >&2
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exit 5
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fi
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if ! chmod "${directory_permissions}" "${directory}" ; then
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echo "ERROR - Unable to change permissions of \"${directory}\" to \"${directory_permissions}\"" >&2
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exit 5
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fi
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}
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# $command_line
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as_hpf_ans () {
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su --login hpf-ans --command "${1}"
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}
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#
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#### PROCESS
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#
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# Make sure we're running as root
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if [ "$(id -u)" -ne 0 ] ; then
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echo "ERROR - Not running as root" >&2
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exit 100
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fi
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# Install minimal necessary packages
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if which -s apt ; then
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apt update
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apt install bash curl python3 python3-pip python3-venv python3-virtualenv -y
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else
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echo "ERROR - Unable to determine how to install packages" >&2
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exit 101
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fi
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# Create system group hpf-sudo for normal sudo users
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system_groupadd hpf-sudo 700
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# Create system group hpf-sudo-np for special sudo users that don't require a password
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system_groupadd hpf-sudo-np 701
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# Make sure /etc/sudoers.d exists
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create_directory "${ETC_sudoers_d}" "root:root" "u=rwx,go="
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# Get /etc/sudoers.d/hpf
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get_file "${GIT_REPO_sudoers_d_hpf}" "${ETC_sudoers_d_hpf}" "root:root" "u=rw,go="
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# Make sure /etc/skel/.profile.d exists
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create_directory "${SKEL_profile_d}" "root:root" "u=rwx,go="
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# Get /etc/skel/.profile.d/ansible-venv.sh
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get_file "${GIT_REPO_SKEL_ansible_venv_sh}" "${SKEL_ansible_venv_sh}" "root:root" "u=rw,go="
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# Get /etc/skel/.profile
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get_file "${GIT_REPO_SKEL_profile}" "${SKEL_profile}" "root:root" "u=rw,go="
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# Create the hpf-ans user
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system_useradd hpf-ans 800
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add_groups_to_user hpf-sudo-np hpf-ans
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# Set HPF_ANS variables now that the user is created
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HPF_ANS_HOME="$(as_hpf_ans 'echo "${HOME}"')"
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HPF_ANS_ansible_venv="${HPF_ANS_HOME}/.ansible-venv"
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HPF_ANS_bin="${HPF_ANS_HOME}/bin"
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HPF_ANS_ansible_pull_sh="${HPF_ANS_bin}/ansible-pull.sh"
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# Make sure /home/hpf-ans/.ansible-venv exists
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as_hpf_ans "if [ ! -d \"${HPF_ANS_ansible_venv}\" ] ; then virtualenv \"${HPF_ANS_ansible_venv}\" ; fi"
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# Make sure pip is up to date
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as_hpf_ans "pip install --upgrade pip"
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# Make sure ansible is up to date
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as_hpf_ans "pip install --upgrade ansible"
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# Make sure /home/hpf-ans/bin exists
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create_directory "${HPF_ANS_bin}" "hpf-ans:hpf-ans" "u=rwx,go="
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# Get /home/hpf-ans/bin/ansible-pull.sh
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get_file "${GIT_REPO_ansible_pull_sh}" "${HPF_ANS_ansible_pull_sh}" "hpf-ans:hpf-ans" "u=rwx,go="
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# Make sure log directory exists
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create_directory "${ANSIBLE_PULL_SH_LOG_DIR}" "hpf-ans:root" "u=rwx,go="
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# Run ansible-pull to finish up
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#as_hpf_ans "$HPF_ANS_ansible_pull_sh --branch ${GIT_REPO_BRANCH} bootstrap.yml"
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