Merge pull request #7 from bashclub/devel

Proxmox 7 support, CheckMK Agent installation
This commit is contained in:
Thorsten Spille 2021-07-27 09:34:13 +02:00 committed by GitHub
commit 1068e0e540
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2 changed files with 101 additions and 8 deletions

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@ -9,4 +9,6 @@ Following settings are made:
- Configure snapshot retention for `zfs-auto-snapshot` interactively
- `zfs_arc_[min|max]` will be calculated by size sum of all zpools in 512 MB steps
- Configure backup of `/etc` folder to new zfs dataset on `rpool/pveconf`
- configure `vm.swappiness` interactively
- Configure `vm.swappiness` interactively
- Install checkmk Agent with optional encryption and registration
- Added Support for Proxmox VE 7.0

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@ -14,6 +14,8 @@ PVE_CONF_BACKUP_TARGET=rpool/pveconf
# Define timer for your backup cronjob (default: every 15 minutes fron 3 through 59)
PVE_CONF_BACKUP_CRON_TIMER="3,18,33,48 * * * *"
# Get Debian version info
source /etc/os-release
###### SYSTEM INFO AND INTERACTIVE CONFIGURATION SECTION ######
@ -78,18 +80,15 @@ echo -e "zfs_arc_max:\t\t\t$(($ZFS_ARC_MAX_MEGABYTES))\tMB\t\t= 1 GB RAM per 1 T
echo ""
RESULT=not_set
while [ "$(echo $RESULT | awk '{print tolower($0)}')" != "y" ] && [ "$(echo $RESULT | awk '{print tolower($0)}')" != "n" ] && [ "$(echo $RESULT | awk '{print tolower($0)}')" != "" ]; do
echo "If you want to apply the values by script policy type 'y', type 'n' to adjust the values yourself [Y/n]?"
read
read -p "If you want to apply the values by script policy type 'y', type 'n' to adjust the values yourself [Y/n]? "
RESULT=${REPLY}
done
if [[ "$(echo $RESULT | awk '{print tolower($0)}')" == "n" ]]; then
echo "Please type in the desired value in MB for 'zfs_arc_min' [$(($ZFS_ARC_MIN_MEGABYTES))]:"
read
read -p "Please type in the desired value in MB for 'zfs_arc_min' [$(($ZFS_ARC_MIN_MEGABYTES))]: "
if [[ ${REPLY} -gt 0 ]]; then
ZFS_ARC_MIN_MEGABYTES=$((${REPLY}))
fi
echo "Please type in the desired value in MB for 'zfs_arc_max' [$(($ZFS_ARC_MAX_MEGABYTES))]:"
read
read -p "Please type in the desired value in MB for 'zfs_arc_max' [$(($ZFS_ARC_MAX_MEGABYTES))]: "
if [[ ${REPLY} -gt 0 ]]; then
ZFS_ARC_MAX_MEGABYTES=$((${REPLY}))
fi
@ -137,6 +136,32 @@ for interval in "${!auto_snap_keep[@]}"; do
fi
done
#### CHECKMK AGENT CONFIGURATION ####
read -p "Do you want to install checkmk agent of this machine? [y/N] " install_checkmk
if [[ "$install_checkmk" == "y" ]]; then
read -p "Please specify the base url to your checkmk server (e.g. https://check.zmb.rocks/bashclub): " cmk_agent_url
read -p "Enable agent encryption (requires setup of Agent Encryption on your checkmk instance). Do you want to activate agent encryption? [y/N] " cmk_encrypt
if [[ "$cmk_encrypt" == "y" ]]; then
read -p "Please enter the encryption passphrase: " cmk_enc_pass
fi
read -p "Register your machine on your checkmk server (requires preconfigured automation secret)? [y/N] " cmk_register
if [[ "$cmk_register" == "y" ]]; then
read -p "Please enter your automation secret: " cmk_secret
read -p "Please enter the folder where to store the host: " cmk_folder
cmk_site=$(echo $cmk_agent_url | cut -d'/' -f4)
read -p "Please enter the checkmk site name: [$cmk_site]" user_input
if [[ $(echo -n "$user_input") != "" ]]; then
cmk_site=$user_input
fi
echo "Please select which agent ip address to register:"
select ip in $(ip a | grep "inet " | cut -d ' ' -f6 | cut -d/ -f1); do
cmk_reg_ip=$ip
break
done
fi
fi
###### INSTALLER SECTION ######
# disable pve-enterprise repo and add pve-no-subscription repo
@ -144,7 +169,7 @@ if [[ "$(uname -r)" == *"-pve" ]]; then
echo "Deactivating pve-enterprise repository"
mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.bak > /dev/null 2>&1
echo "Activating pve-no-subscription repository"
echo "deb http://download.proxmox.com/debian/pve buster pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list
echo "deb http://download.proxmox.com/debian/pve $VERSION_CODENAME pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list
fi
echo "Getting latest package lists"
apt update > /dev/null 2>&1
@ -195,6 +220,72 @@ options zfs zfs_arc_min=$ZFS_ARC_MIN_BYTES
options zfs zfs_arc_max=$ZFS_ARC_MAX_BYTES
EOF
if [[ "$install_checkmk" == "y" ]]; then
echo "Installing checkmk agent..."
if [[ $( echo -n "$(openssl s_client -connect $(echo $cmk_agent_url | cut -d'/' -f3):443 <<< "Q" 2>/dev/null | grep "Verify return code" | cut -d ' ' -f4)" ) -gt 0 ]]; then
wget_opts="--no-check-certificate"
curl_opts="--insecure"
fi
wget -q -O /usr/local/bin/check_mk_agent $wget_opts $cmk_agent_url/check_mk/agents/check_mk_agent.linux
wget -q -O /usr/local/bin/mk-job $wget_opts $cmk_agent_url/check_mk/agents/mk-job
wget -q -O /usr/local/bin/check_mk_caching_agent $wget_opts $cmk_agent_url/check_mk/agents/check_mk_caching_agent.linux
wget -q -O /usr/local/bin/waitmax $wget_opts $cmk_agent_url/check_mk/agents/waitmax
chmod +x /usr/local/bin/check_mk_agent
chmod +x /usr/local/bin/mk-job
chmod +x /usr/local/bin/check_mk_caching_agent
chmod +x /usr/local/bin/waitmax
/usr/local/bin/check_mk_agent > /dev/null
wget -q -O /etc/systemd/system/check_mk.socket $wget_opts $cmk_agent_url/check_mk/agents/cfg_examples/systemd/check_mk.socket
cat << EOF > /etc/systemd/system/check_mk@.service
# systemd service definition file
[Unit]
Description=Check_MK
[Service]
# "-" path prefix makes systemd record the exit code,
# but the unit is not set to failed.
ExecStart=-/usr/local/bin/check_mk_agent
Type=forking
User=root
Group=root
StandardInput=socket
EOF
mkdir -p /etc/check_mk
if [[ "$cmk_encrypt" == "y" ]]; then
mkdir -p /etc/check_mk
cat << EOF > /etc/check_mk/encryption.cfg
ENCRYPTED=yes
PASSPHRASE='$cmk_enc_pass'
EOF
chmod 600 /etc/check_mk/encryption.cfg
fi
mkdir -p /var/lib/check_mk_agent
mkdir -p /var/lib/check_mk_agent/spool
mkdir -p /var/lib/check_mk_agent/job
mkdir -p /usr/lib/check_mk_agent/local
mkdir -p /usr/lib/check_mk_agent/plugins
wget -q -O /usr/lib/check_mk_agent/plugins/smart $wget_opts $cmk_agent_url/check_mk/agents/plugins/smart
chmod +x /usr/lib/check_mk_agent/plugins/smart
wget -q -O /usr/lib/check_mk_agent/plugins/mk_inventory $wget_opts $cmk_agent_url/check_mk/agents/plugins/mk_inventory.linux
chmod +x /usr/lib/check_mk_agent/plugins/mk_inventory
wget -q -O /usr/lib/check_mk_agent/plugins/mk_apt $wget_opts $cmk_agent_url/check_mk/agents/plugins/mk_apt
chmod +x /usr/lib/check_mk_agent/plugins/mk_apt
#LocalDirectory: /usr/lib/check_mk_agent/local
systemctl daemon-reload
systemctl enable check_mk.socket
systemctl restart sockets.target
if [[ "$cmk_register" == "y" ]]; then
cmk_request="request={\"hostname\":\"$(echo -n $(hostname -f))\",\"folder\":\"$cmk_folder\",\"attributes\":{\"ipaddress\":\"$cmk_reg_ip\",\"site\":\"$cmk_site\",\"tag_agent\":\"cmk-agent\"},\"create_folders\":\"1\"}"
curl $curl_opts "$cmk_agent_url/check_mk/webapi.py?action=add_host&_secret=$cmk_secret&_username=automation" -d $cmk_request
curl $curl_opts "$cmk_agent_url/check_mk/webapi.py?action=activate_changes&_secret=$cmk_secret&_username=automation" -d "request={\"sites\":[\"$cmk_site\"],\"allow_foreign_changes\":\"0\"}"
fi
fi
echo "Updating initramfs - This will take some time..."
update-initramfs -u -k all > /dev/null 2>&1