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Unify unatteded uninstall check tools and start cluster #1221

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Unify unatteded uninstall check tools and start cluster #1221

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4b8cda9
Fix use of rollBack with overwrite, start_elastic_cluster and add fun…
myu1d157h0u54nd Jan 29, 2022
4530295
Add function checkTools and fix initial stage flow
myu1d157h0u54nd Jan 29, 2022
dcdd5e3
Remove unnecessary eval.
myu1d157h0u54nd Jan 31, 2022
c79f38e
fix function checkTools
myu1d157h0u54nd Feb 2, 2022
e845bd4
fix merge conflict
myu1d157h0u54nd Feb 2, 2022
78c6d9a
fix checkSpecs (coresFile)
myu1d157h0u54nd Feb 2, 2022
9579597
Fix function checkArguments (Cluster start), function checkHealth
myu1d157h0u54nd Feb 4, 2022
346f192
Merge branch 'unify-unatteded-uninstall-chose-component' into unify-u…
myu1d157h0u54nd Feb 4, 2022
2decde4
Fix checkHealth (logger), fix checkSpecs (free use for check ram), ch…
myu1d157h0u54nd Feb 8, 2022
75ae8a8
Restore call to: Prerequisites and Wazuh repo
myu1d157h0u54nd Feb 8, 2022
d7595e0
Merge branch 'unify-unatteded-uninstall-chose-component' into unify-u…
myu1d157h0u54nd Feb 8, 2022
2761821
Fix logger
myu1d157h0u54nd Feb 9, 2022
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36 changes: 34 additions & 2 deletions unattended_installer/install_functions/opendistro/checks.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ function checkArguments() {

if [ -n "${wazuhinstalled}" ] || [ -n "${wazuh_remaining_files}" ] || [ -n "${elasticsearchinstalled}" ] || [ -n "${elastic_remaining_files}" ] || [ -n "${filebeatinstalled}" ] || [ -n "${filebeat_remaining_files}" ] || [ -n "${kibanainstalled}" ] || [ -n "${kibana_remaining_files}" ]; then
if [ -n "${overwrite}" ]; then
uninstall_module_name="wazuh"
rollBack
else
logger -e "Some the Wazuh components were found on this host. If you want to overwrite the current installation, run this script back using the option -o/--overwrite. NOTE: This will erase all the existing configuration and data."
Expand All @@ -88,6 +89,7 @@ function checkArguments() {

if [ -n "${elasticsearchinstalled}" ] || [ -n "${elastic_remaining_files}" ]; then
if [ -n "${overwrite}" ]; then
uninstall_module_name="elasticsearch"
rollBack
else
logger -e "Elasticsearch is already installed in this node or some of its files haven't been erased. Use option -o|--overwrite to overwrite all components."
Expand All @@ -101,6 +103,7 @@ function checkArguments() {
if [ -n "${kibana}" ]; then
if [ -n "${kibanainstalled}" ] || [ -n "${kibana_remaining_files}" ]; then
if [ -n "${overwrite}" ]; then
uninstall_module_name="kibana"
rollBack
else
logger -e "Kibana is already installed in this node or some of its files haven't been erased. Use option -o|--overwrite to overwrite all components."
Expand Down Expand Up @@ -133,11 +136,19 @@ function checkArguments() {

# -------------- Cluster start ----------------------------------

if [[ -n "${start_elastic_cluster}" && ( -n "${AIO}" || -n "${elasticsearch}" || -n "${kibana}" || -n "${wazuh}" || -n "${overwrite}" || -n "${configurations}" || -n "${tar_conf}" || -n "${uninstall}") ]]; then
logger -e "The argument -s|--start-cluster can't be used with -a, -k, -e or -w arguments."
if [[ -n "${start_elastic_cluster}" && ( -z "${elasticsearchinstalled}" || -z "${elastic_remaining_files}") ]]; then
logger -e "The argument -s|--start-cluster need elasticsearch installed. Run the script with the parameter first --elasticsearch <elasticsearch-node-name>."
exit 1
else
if [[ -n "${start_elastic_cluster}" && ( -n "${AIO}" || -n "${elasticsearch}" || -n "${kibana}" || -n "${wazuh}" || -n "${overwrite}" || -n "${configurations}" || -n "${tar_conf}" || -n "${uninstall}") ]]; then
logger -e "The argument -s|--start-cluster can't be used with -a, -k, -e or -w arguments."
exit 1
fi
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fi




# -------------- Global -----------------------------------------

if [ -z "${AIO}" ] && [ -z "${elasticsearch}" ] && [ -z "${kibana}" ] && [ -z "${wazuh}" ] && [ -z "${start_elastic_cluster}" ] && [ -z "${configurations}" ] && [ -z "${uninstall}"]; then
Expand All @@ -147,6 +158,27 @@ function checkArguments() {

}

function checkTools() {

# -------------- Check tools required to run the script (awk, sed, etc.) -----------------------------------------

toolList=( "uname"
"free"
"tar"
"awk"
"free"
"sed")
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Include echo, cat, grep, rm, touch, kill, cp, mv, export, mkdir, curl, chown, sudo, chmod, in the list. Then, don't exit in the first not found command. Instead of this, make a list of not-found dependencies and print the list, avoiding the re-run for every command.

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Done!

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Installation simulation, modifying the list of tools by adding the false commands 'badbad' and 'notsobad'.

sudo bash /tmp/unattended_installer/wazuh_install.sh --local --development --ignore-health-check --disable-spinner --all-in-one

03/02/2022 16:41:02 INFO: ---------------------------------- Missing tool -----------------------------------
03/02/2022 16:41:02 INFO: Missing tool report: badbad, notsobad,  are not installed. All this command's are necessary for the correct use of this tool.


for command in "${toolList[@]}"
do
if [ -z "$(command -v $command)" ]; then
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logger_cert -e "$command not installed. This command is necessary for the correct operation of this script."
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exit 1
fi
done

}

function checkHealth() {

checkSpecs
Expand Down
33 changes: 17 additions & 16 deletions unattended_installer/wazuh_install.sh
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Expand Up @@ -338,19 +338,17 @@ function main() {

logger "Starting Wazuh unattended installer. Wazuh version: ${wazuh_version}. Wazuh installer version: ${wazuh_install_vesion}"

# -------------- Uninstall case ------------------------------------
# -------------- Prerequisites and Wazuh repo ----------------------

checkIfInstalled
if [ -n "${uninstall}" ]; then
logger "------------------------------------ Uninstall ------------------------------------"
logger "Removing all installed components."
rollBack
logger "All components removed."
exit 0
if [ -n "${AIO}" ] || [ -n "${elasticsearch}" ] || [ -n "${kibana}" ] || [ -n "${wazuh}" ]; then
logger "---------------------------------- Dependencies -----------------------------------"
installPrerequisites
addWazuhrepo
fi

# -------------- Preliminary checks --------------------------------

checkTools
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if [ -z "${configurations}" ] && [ -z "${AIO}" ]; then
checkPreviousCertificates
fi
Expand All @@ -366,6 +364,17 @@ function main() {
fi
checkArguments

# -------------- Uninstall case ------------------------------------

checkIfInstalled
if [ -n "${uninstall}" ]; then
logger "------------------------------------ Uninstall ------------------------------------"
logger "Removing all installed components."
rollBack
logger "All components removed."
exit 0
fi

# -------------- Configuration creation case -----------------------

# Creation certificate case: Only AIO and -c option can create certificates.
Expand Down Expand Up @@ -398,14 +407,6 @@ function main() {
checkNames
fi

# -------------- Prerequisites and Wazuh repo ----------------------
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Is the Dependencies installation uneccesary?

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Recovered, this was a mistake

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But why is moved before the preliminary steps?
If there is an error with the node names, etc, I prefer to know it before starting installing dependencies.

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I am sorry, I do not understand. Tell me if I understand correctly please.
Functions import. Line 332. Check the system tools.
Preliminary checks, Line 345. This step checks arguments and parameters.
Prerequisites and Wazuh repo, Line 375. This step installs dependencies
Preliminary steps, Line 383. It only validates checkPreviousCertificates.
I understand this would be correct.


if [ -n "${AIO}" ] || [ -n "${elasticsearch}" ] || [ -n "${kibana}" ] || [ -n "${wazuh}" ]; then
logger "---------------------------------- Dependencies -----------------------------------"
installPrerequisites
addWazuhrepo
fi

# -------------- Elasticsearch or Start Elasticsearch cluster case---

if [ -n "${elasticsearch}" ] || [ -n "${start_elastic_cluster}" ] ; then
Expand Down