starting point for a "quickstart" script

start-lsmb-and-postgres-containers.sh

@@ -0,0 +1,105 @@
+#!/bin/bash
+
+clear
+
+PGuser='postgres'
+PGpass='password'
+
+PGcontainerName='lsmb-postgres'
+LSMBcontainerName='myledger'
+
+
+export POSTGRES_HOST='postgres'
+export POSTGRES_PORT='5432'
+export DEFAULT_DB='lsmb'
+
+CheckWhatIsRunning() {
+    isrunning_pg=false;
+    isrunning_lsmb=false;
+    while read -t10 line || { echo; false; } do
+        if [[ $line =~ $PGcontainerName ]]; then isrunning_pg=true; fi
+        if [[ $line =~ $LSMBcontainerName ]]; then isrunning_lsmb=true; fi
+    done < <( docker ps )
+}
+
+StartPostgres() {
+    if $isrunning_pg; then
+        echo "Postgres container $PGcontainerName is already running";
+    else
+        echo "Starting Postgres container $PGcontainerName"
+        if docker inspect $PGcontainerName &>/dev/null; then # container exists so start it
+            docker start $PGcontainerName
+        else # container doesn't exist so run it
+            docker run --name $PGcontainerName -e POSTGRES_PASSWORD="$PGpass" -d postgres
+        fi
+    fi
+}
+
+StartLedgerSMB() {
+    if $isrunning_lsmb; then
+        echo "LedgerSMB container $LSMBcontainerName is already running";
+    else
+        echo "Starting LedgerSMB container $LSMBcontainerName"
+        if docker inspect $LSMBcontainerName &>/dev/null; then # container exists so start it
+            docker start $LSMBcontainerName >/dev/null
+        else # container doesn't exist so run it
+            docker run --name $LSMBcontainerName --link lsmb-postgres:postgres -d ledgersmb/ledgersmb
+        fi
+    fi
+}
+
+GetIPs() {
+    containerIPlsmbPostgres=`docker inspect  -f '{{ .NetworkSettings.IPAddress }}' lsmb-postgres`
+    containerIPlsmb=`docker inspect  -f '{{ .NetworkSettings.IPAddress }}' myledger`
+}
+
+PrintInfo() {
+    printf " %32s: IP %s\n" "$PGcontainerName" "$containerIPlsmbPostgres"
+    printf " %32s: IP %s\n" "$LSMBcontainerName" "$containerIPlsmb"
+
+    echo
+}
+
+TestLSMB() { # If any arg is passed then don't echo anything
+    if wget --tries=1 --timeout=2 -O /dev/null -q http://$containerIPlsmb:5762/setup.pl; then
+        [[ -z $1 ]] && echo "LSMB server accessible"
+        return 0
+    else
+        [[ -z $1 ]] && echo "Failed to connect to LSMB server"
+        return 1
+    fi
+}
+
+timestamp() {
+    date "+%s"
+}
+
+WaitForContainers() {
+    timer=60
+    read -st10 timeoutAt < <( timestamp )
+    (( timeoutAt = timeoutAt + timer ))
+    (( now = `timestamp` ))
+    (( lasttimestamp = now ))
+    echo
+    echo "wait at least $timer seconds for containers to start"
+    echo -en "\r$(( timeoutAt - now ))  "
+    while { now=`timestamp`; (( now < timeoutAt )); } do
+        echo -en "\r$(( timeoutAt - now ))  "
+        if (( now <= lasttimestamp )); then continue; fi
+        (( lasttimestamp = now ))
+        if [[ -z $containerIPlsmb ]]; then GetIPs &>/dev/null; fi
+        echo -en "\r$(( timeoutAt - now ))  "
+        TestLSMB -s
+        if (( $? == 0 )); then echo; break; fi
+        echo -en "\r$(( timeoutAt - now ))  "
+    done
+    echo
+}
+
+CheckWhatIsRunning
+StartPostgres
+StartLedgerSMB
+WaitForContainers
+TestLSMB
+
+PrintInfo