From 402fefe0e42b2a6c189017a3bf27ba94529c9873 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20L=C3=BCscher?= <stephan.luescher@mykolab.com>
Date: Sat, 6 May 2023 17:03:12 +0000
Subject: [PATCH] feat: check installation pre-requisites (#14)

---
 forge.sh | 46 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 43 insertions(+), 3 deletions(-)

diff --git a/forge.sh b/forge.sh
index 644de50..0e4f9a0 100755
--- a/forge.sh
+++ b/forge.sh
@@ -2,16 +2,16 @@
 
 # Functions
 function setup {
+    echo -e "${YELLOW}Checking pre-requisites...${ENDCOLOR}"
+    check_prerequisites
     echo -e "${YELLOW}Creating secret configuration...${ENDCOLOR}"
     create_secrets
-    echo ""
     echo -e "${YELLOW}Heating up forge for the first time...${ENDCOLOR}"
     podman play kube forge-pod.yml --build --replace & PID_BUILD=$!
     wait ${PID_BUILD}
     echo -e "${YELLOW}Configuring host system...${ENDCOLOR}"
     configure_host & PID_CONFIG=$!
     wait ${PID_CONFIG}
-    echo ""
     echo -e "${YELLOW}Configuring forge...${ENDCOLOR}"
     podman logs --color -f ublue-os_forge-setup.ublue.local
     echo ""
@@ -44,8 +44,10 @@ function configure_host {
         echo "$SSH_PUBLIC_KEY" >> ~/.ssh/authorized_keys
         cp -f ${VOLUME_DIR}/tls/ublue-os_forge-root.pem ~/Downloads
         touch ~/.config/.ublue-os_forge-host-setup-done
+        echo ""
     else
         echo "Host system already configured. Nothing to do..."
+        echo ""
     fi
 }
 
@@ -59,17 +61,55 @@ function create_secrets {
     "ANSIBLE_FORGE_HOST_BECOME_PASSWORD": "${ANSIBLE_FORGE_HOST_BECOME_PASSWORD}"
     }
 EOF
+    echo ""
 }
 
 function delete_secrets {
     podman secret rm ublue-os_forge-secure
 }
 
+function check_prerequisites {
+    echo -e "${YELLOW}Checking sshd service${ENDCOLOR}"
+    SSH_SERVICE_STATUS="$(systemctl is-active sshd)"
+    if [ "${SSH_SERVICE_STATUS}" = "inactive" ];
+    then
+        echo -e "${RED}It looks like your sshd service is not running.${ENDCOLOR}"
+        echo -e "${RED}Make sure to configure and start it first.${ENDCOLOR}"
+        exit 1
+    else
+        echo -e "${GREEN}sshd service is ${SSH_SERVICE_STATUS}${ENDCOLOR}"
+        echo ""
+    fi
+    echo -e "${YELLOW}Checking podman installation${ENDCOLOR}"
+    PODMAN_PATH=$(which podman 2>/dev/null || echo 'FALSE')
+    if [ "$PODMAN_PATH" == "FALSE" ];
+    then
+        echo -e "${RED}It looks like podman is not installed.${ENDCOLOR}"
+        echo -e "${RED}Make sure to install it first.${ENDCOLOR}"
+        exit 1
+    else
+        echo -e "${GREEN}podman is installed${SSH_SERVICE_STATUS}${ENDCOLOR}"
+        echo ""
+    fi
+    echo -e "${YELLOW}Checking jq installation${ENDCOLOR}"
+    JQ_PATH=$(which jq 2>/dev/null || echo 'FALSE')
+    if [ "$JQ_PATH" == "FALSE" ];
+    then
+        echo -e "${RED}It looks like jq is not installed.${ENDCOLOR}"
+        echo -e "${RED}Make sure to install it first.${ENDCOLOR}"
+        exit 1
+    else
+        echo -e "${GREEN}jq is installed${SSH_SERVICE_STATUS}${ENDCOLOR}"
+        echo ""
+    fi
+}
+
 function show_info {
     VOLUME_DIR="$(podman volume inspect ublue-os_forge-certs | jq -r '.[0].Mountpoint')"
-    echo -e "${GREEN}Forge is available at: https://forge.ublue.local${ENDCOLOR}"
+    echo -e "${GREEN}uBlue forge is available at: https://forge.ublue.local${ENDCOLOR}"
     echo -e "${GREEN}To trust the certificate in your Browser of choice, make sure to import the root certificate from:${ENDCOLOR}"
     echo -e "${GREEN}$HOME/Downloads/tls/ublue-os_forge-root.pem${ENDCOLOR}"
+    echo ""
 }
 
 # Bash colors