hetzner/db/mariadb/first_time_run.sh

#!/bin/bash
# Deploy docker service.
docker stack deploy -c mariadb.yml mariadb

# Read functions
source /opt/linux/scripts/functions/docker/check_container_healthy.sh
source /opt/linux/scripts/functions/docker/array_count_unique.sh

# Load mariadb-seed service
echo "--------- mariadb_seed health check -----------"
unset health_status; counter=1; condition1=0; condition2=0
while [[ $condition1 != 1 ]] ||  [[ $condition2 != healthy  ]]
do
   echo "$counter. sek"
   counter=$(( $counter + 1 ))
   sleep 1
  # mariadb_seed health.status kontroll
  res=$(check_container_healthy mariadb_seed)
  IFS=' ' read -r -a health_status <<< "$res"; # declare -p health_status;

  # 1. condition1
  condition1=$(array_count_unique ${health_status[@]})
  echo "Erinevate elementide arv SEED vektoris: $condition1"
  # 2. condition2
  condition2=${health_status[0]}
  echo "Health Status SEED vektoris: ${condition2[0]}"
done
sleep 2

# Load mariadb_node service
echo "--------- mariadb_node health check -----------"
unset health_status; counter=1; condition1=0; condition2=0
while [[ $condition1 != 1 ]] ||  [[ $condition2 != healthy  ]]
do
   echo "$counter. sek"
   counter=$(( $counter + 1 ))
   sleep 1
  # mariadb_node health.status kontroll
  res=$(check_container_healthy mariadb_node)
  IFS=' ' read -r -a health_status <<< "$res"; # declare -p health_status;

  # 1. condition1
  condition1=$(array_count_unique ${health_status[@]})
  echo "Erinevate elementide arv NODE vektoris: $condition1"
  # 2. condition2
  condition2=${health_status[0]}
  echo "Health Status NODE vektoris: ${condition2[0]}"
done

# Increace mariadb_node replices to 2
echo "--------- mariadb_node scale to 2 -----------"
docker service scale $(docker service ls -f name=mariadb_node -q)=2

# Check mariadb_node status to decreace mariadb_seed replices to 0
echo "--------- mariadb_node health check -----------"
unset health_status; counter=1; condition1=0; condition2=0
while [[ $condition1 != 1 ]] ||  [[ $condition2 != healthy  ]]
do
   echo "$counter. sek"
   counter=$(( $counter + 1 ))
   sleep 1
  # mariadb_node health.status kontroll
  res=$(check_container_healthy mariadb_node)
  IFS=' ' read -r -a health_status <<< "$res"; # declare -p health_status;

  # 1. condition1
  condition1=$(array_count_unique ${health_status[@]})
  echo "Erinevate elementide arv NODE vektoris: $condition1"
  # 2. condition2
  condition2=${health_status[0]}
  echo "Health Status NODE vektoris: ${condition2[0]}"
done
sleep 2

# Decreace mariadb_seed replices to 0.
echo "--------- mariadb_seed scale to 0 -----------"
docker service scale $(docker service ls -f name=mariadb_seed -q)=0


# Check mariadb_seed status to icreace mariadb_node replices to 3
echo "--------- mariadb_seed health check -----------"
unset health_status; counter=1; condition1=0; condition2=0
while [[ $condition1 != 3 ]] ||  [[ $condition2 != no  ]]
do
   echo "$counter. sek"
   counter=$(( $counter + 1 ))
   sleep 1
  # mariadb_seed health.status kontroll
  res=$(check_container_healthy mariadb_seed)
  IFS=' ' read -r -a health_status <<< "$res"; # declare -p health_status;

  # 1. condition1
  condition1=$(array_count_unique ${health_status[@]})
  echo "Erinevate elementide arv SEED vektoris: $condition1"
  # 2. condition2
  condition2=${health_status[0]}
  echo "Health Status SEED vektoris: ${condition2[0]}"
done
sleep 2

# Increace mariadb_node replices to 3
echo "--------- mariadb_node scale to 3 -----------"
docker service scale $(docker service ls -f name=mariadb_node -q)=3

# End 
echo "------------------- End --------------------"