#!/bin/bash

# Overlord management of snapd for package manager actions.
# Implements actions that would be invoked in %pre(un) actions for snapd.
# Derived from the snapd.postrm scriptlet used in the Ubuntu packaging for
# snapd.

set -e
set +x

STATIC_SNAP_MOUNT_DIR="/snap"

show_help() {
    exec cat <<'EOF'
Usage: snap-mgmt.sh [OPTIONS]

A simple script to cleanup snap installations.

optional arguments:
  --help                           Show this help message and exit
  --snap-mount-dir=<path>          Provide a path to be used as $STATIC_SNAP_MOUNT_DIR
  --purge                          Purge all data from $STATIC_SNAP_MOUNT_DIR
EOF
}

SNAP_UNIT_PREFIX="$(systemd-escape -p ${STATIC_SNAP_MOUNT_DIR})"

systemctl_stop() {
    unit="$1"

    echo "Stopping unit $unit"
    systemctl stop -q "$unit" || true

    for i in $(seq 10); do
        echo "Waiting until unit $unit is stopped [attempt $i]"
        if ! systemctl is-active -q "$unit"; then
            echo "$unit is stopped."
            return
        fi
        sleep .5
    done
}

purge() {
    # shellcheck disable=SC1091
    distribution=$(. /etc/os-release; echo "${ID}-${VERSION_ID}")

    if [ "$distribution" = "ubuntu-14.04" ]; then
        # snap.mount.service is a trusty thing
        systemctl_stop snap.mount.service
    fi

    units=$(systemctl list-unit-files --no-legend --full | grep -vF snap.mount.service || true)
    # *.snap mount points
    mounts=$(echo "$units" | grep "^${SNAP_UNIT_PREFIX}[-.].*\\.mount" | cut -f1 -d ' ')
    # services from snaps
    services=$(echo "$units" | grep '^snap\..*\.service' | cut -f1 -d ' ')
    # slices from snaps
    slices=$(echo "$units" | grep '^snap\..*\.slice' | cut -f1 -d ' ')
    for unit in $services $mounts $slices; do
        # ensure its really a snap mount unit or systemd unit
        if ! grep -q 'What=/var/lib/snapd/snaps/' "/etc/systemd/system/$unit" && ! grep -q 'X-Snappy=yes' "/etc/systemd/system/$unit"; then
            echo "Skipping non-snapd systemd unit $unit"
            continue
        fi

        echo "Stopping $unit"
        systemctl_stop "$unit"

        if echo "$unit" | grep -q '.*\.mount' ; then
            # Transform ${STATIC_SNAP_MOUNT_DIR}/core/3440 -> core/3440 removing any
            # extra / preceding snap name, eg:
            #  /var/lib/snapd/snap/core/3440  -> core/3440
            #  /snap/core/3440                -> core/3440
            #  /snap/core//3440               -> core/3440
            # NOTE: we could have used `systemctl show $unit -p Where --value`
            # but systemd 204 shipped with Ubuntu 14.04 does not support this
            snap_rev=$(systemctl show "$unit" -p Where | sed -e 's#Where=##' -e "s#$STATIC_SNAP_MOUNT_DIR##" -e 's#^/*##')
            snap=$(echo "$snap_rev" |cut -f1 -d/)
            rev=$(echo "$snap_rev" |cut -f2 -d/)
            if [ -n "$snap" ]; then
                echo "Removing snap $snap"
                # aliases
                if [ -d "${STATIC_SNAP_MOUNT_DIR}/bin" ]; then
                    find "${STATIC_SNAP_MOUNT_DIR}/bin" -maxdepth 1 -lname "$snap" -delete
                    find "${STATIC_SNAP_MOUNT_DIR}/bin" -maxdepth 1 -lname "$snap.*" -delete
                fi
                # generated binaries
                rm -f "${STATIC_SNAP_MOUNT_DIR}/bin/$snap"
                rm -f "${STATIC_SNAP_MOUNT_DIR}/bin/$snap".*
                # snap mount dir
                umount -l "${STATIC_SNAP_MOUNT_DIR}/$snap/$rev" 2> /dev/null || true
                rm -rf "${STATIC_SNAP_MOUNT_DIR:?}/$snap/$rev"
                rm -f "${STATIC_SNAP_MOUNT_DIR}/$snap/current"
                # snap data dir
                rm -rf "/var/snap/$snap/$rev"
                rm -rf "/var/snap/$snap/common"
                rm -f "/var/snap/$snap/current"
                # opportunistic remove (may fail if there are still revisions left)
                for d in "${STATIC_SNAP_MOUNT_DIR}/$snap" "/var/snap/$snap"; do
                    if [ -d "$d" ]; then
                        rmdir --ignore-fail-on-non-empty "$d"
                    fi
                done
                # udev rules
                find /etc/udev/rules.d -name "*-snap.${snap}.rules" -execdir rm -f "{}" \;
                # dbus policy files
                if [ -d /etc/dbus-1/system.d ]; then
                    find /etc/dbus-1/system.d -name "snap.${snap}.*.conf" -execdir rm -f "{}" \;
                fi
                # modules
                rm -f "/etc/modules-load.d/snap.${snap}.conf"
                rm -f "/etc/modprobe.d/snap.${snap}.conf"
                # timer and socket units
                find /etc/systemd/system -name "snap.${snap}.*.timer" -o -name "snap.${snap}.*.socket" | while read -r f; do
                    systemctl_stop "$(basename "$f")"
                    rm -f "$f"
                done
                # user services, sockets, and timers - we make no attempt to stop any of them.
                # TODO: ask snapd to ask each snapd.session-agent.service to stop snaps
                # user-session services and stop itself.
                find /etc/systemd/user -name "snap.${snap}.*.timer" -o -name "snap.${snap}.*.socket" -o -name "snap.${snap}.*.service" | while read -r f; do
                    rm -f "$f"
                done
            fi
        fi

        echo "Removing $unit"
        rm -f "/etc/systemd/system/$unit"
        rm -f "/etc/systemd/system/multi-user.target.wants/$unit"
        rm -f "/etc/systemd/system/snapd.mounts.target.wants/${unit}"
    done
    # Remove empty ".wants/" directory created by enabling mount units
    rmdir "/etc/systemd/system/snapd.mounts.target.wants" || true
    # Units may have been removed do a reload
    systemctl -q daemon-reload || true

    # Undo any bind mounts to ${STATIC_SNAP_MOUNT_DIR} or /var/snap done by parallel
    # installs or LP:#1668659
    for mp in "$STATIC_SNAP_MOUNT_DIR" /var/snap; do
        # btrfs bind mounts actually include subvolume in the filesystem-path
        # https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg51810.html
        if grep -q " $mp $mp " /proc/self/mountinfo ||
                grep -q -e "\(/.*\)$mp $mp .* btrfs .*\(subvol=\1\)\(,.*\)\?\$" /proc/self/mountinfo ; then
            echo "umounting $mp"
            umount -l "$mp" || true
        fi
    done

    # stop snapd services
    for serv in snapd.autoimport.service snapd.seeded.service snapd.apparmor.service snapd.mounts.target snapd.mounts-pre.target; do
        systemctl_stop "$serv"
    done

    # snapd session-agent
    rm -f /etc/systemd/user/snapd.session-agent.socket
    rm -f /etc/systemd/user/snapd.session-agent.service
    rm -f /etc/systemd/user/sockets.target.wants/snapd.session-agent.socket

    # dbus activation configuration
    rm -f /etc/dbus-1/session.d/snapd.session-services.conf
    rm -f /etc/dbus-1/system.d/snapd.system-services.conf

    echo "Discarding preserved snap namespaces"
    # opportunistic as those might not be actually mounted
    if [ -d /run/snapd/ns ]; then
        if [ "$(find /run/snapd/ns/ -name "*.mnt" | wc -l)" -gt 0 ]; then
            for mnt in /run/snapd/ns/*.mnt; do
                umount -l "$mnt" || true
                rm -f "$mnt"
            done
        fi
        find /run/snapd/ns/ \( -name '*.fstab' -o -name '*.user-fstab' -o -name '*.info' \) -delete
        umount -l /run/snapd/ns/ || true
    fi

    echo "Removing downloaded snaps"
    rm -rf /var/lib/snapd/snaps/*

    echo "Removing features exported from snapd to helper tools"
    rm -rf /var/lib/snapd/features

    echo "Final directory cleanup"
    rm -rf "${STATIC_SNAP_MOUNT_DIR}"
    rm -rf /var/snap

    echo "Removing leftover snap shared state data"
    rm -rf /var/lib/snapd/dbus-1/services/*
    rm -rf /var/lib/snapd/dbus-1/system-services/*
    rm -rf /var/lib/snapd/desktop/applications/*
    rm -rf /var/lib/snapd/environment/*
    rm -rf /var/lib/snapd/seccomp/bpf/*
    rm -rf /var/lib/snapd/device/*
    rm -rf /var/lib/snapd/assertions/*
    rm -rf /var/lib/snapd/cookie/*
    rm -rf /var/lib/snapd/cache/*
    rm -rf /var/lib/snapd/mount/*
    rm -rf /var/lib/snapd/sequence/*
    rm -rf /var/lib/snapd/apparmor/*
    rm -rf /var/lib/snapd/inhibit/*
    rm -rf /var/lib/snapd/cgroup/*
    rm -f /var/lib/snapd/state.json
    rm -f /var/lib/snapd/system-key

    echo "Removing snapd catalog cache"
    rm -rf /var/cache/snapd/*

    if test -d /etc/apparmor.d; then
        # Remove auto-generated rules for snap-confine from the 'core' snap
        echo "Removing extra snap-confine apparmor rules"
        # shellcheck disable=SC2046
        rm -f /etc/apparmor.d/$(echo "$SNAP_UNIT_PREFIX" | tr '-' '.').core.*.usr.lib.snapd.snap-confine
    fi
}

while [ -n "$1" ]; do
    case "$1" in
        --help)
            show_help
            exit
            ;;
        --snap-mount-dir=*)
            STATIC_SNAP_MOUNT_DIR=${1#*=}
            SNAP_UNIT_PREFIX=$(systemd-escape -p "$STATIC_SNAP_MOUNT_DIR")
            shift
            ;;
        --purge)
            purge
            shift
            ;;
        *)
            echo "Unknown command: $1"
            exit 1
            ;;
    esac
done

Platform<\/span> as<\/span> a<\/span> Service (i<\/span>P<\/span>a<\/span>aS)<\/span><\/h2>[\/et_pb_text][et_pb_divider divider_weight=”2px” _builder_version=”4.18.0″ max_width=”60px” module_alignment=”left” height=”2px” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][et_pb_text _builder_version=”4.18.0″ text_font=”Poppins||||||||” text_letter_spacing=”1px” text_line_height=”2em” max_width_tablet=”” max_width_phone=”” max_width_last_edited=”on|phone” custom_margin=”|-150px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|-52px||0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”|0px|8px||false|false” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|phone” hover_enabled=”0″ inline_fonts=”Poppins,Alata,Aclonica” global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

Platform as a service (Paa<\/span>S<\/span>) is<\/span> a<\/span> cloud<\/span> computing<\/span> platform<\/span> as<\/span> a<\/span> service<\/span>.<\/span> It<\/span> is<\/span> a<\/span> platform<\/span> that<\/span> allows<\/span> developers<\/span> to<\/span> create<\/span> applications<\/span> without<\/span> the<\/span> need<\/span> to<\/span> manage<\/span> infrastructure<\/span>.<\/span> <\/span><\/p>\n

P<\/span>aa<\/span>S<\/span> providers<\/span> offer<\/span> a<\/span> platform<\/span> on<\/span> which<\/span> developers<\/span> can<\/span> create<\/span>,<\/span> test<\/span>,<\/span> deploy<\/span>,<\/span> and<\/span> manage<\/span> their<\/span> applications<\/span>.<\/span> P<\/span>aa<\/span>S<\/span> providers<\/span> offer<\/span> a<\/span> variety<\/span> of<\/span> services<\/span>,<\/span> including<\/span>:<\/span><\/p>\n

–<\/span> Application<\/span> hosting<\/span><\/p>\n

–<\/span> Application<\/span> development<\/span> tools<\/span><\/p>\n

–<\/span> Database<\/span> services<\/span><\/p>\n

–<\/span> Mess<\/span>aging<\/span> services<\/span><\/p>\n

–<\/span> Security<\/span> services<\/span><\/p>\n

P<\/span>aa<\/span>S<\/span> providers<\/span> typically<\/span> charge<\/span> on<\/span> a<\/span> pay<\/span>–<\/span>as<\/span>–<\/span>you<\/span>–<\/span>go<\/span> basis<\/span>,<\/span> meaning<\/span> that<\/span> you<\/span> only<\/span> pay<\/span> for<\/span> the<\/span> resources<\/span> you<\/span> use<\/span>.<\/span> This<\/span> can<\/span> make<\/span> P<\/span>aa<\/span>S<\/span> an<\/span> attractive<\/span> option<\/span> for<\/span> small<\/span> businesses<\/span> and<\/span> startups<\/span> that<\/span> do<\/span> not<\/span> have<\/span> the<\/span> resources<\/span> to<\/span> invest<\/span> in<\/span> their<\/span> own<\/span> infrastructure<\/span>.<\/span><\/p>[\/et_pb_text][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” header_2_font=”|600|||||||” header_2_text_color=”#4c4c4c” header_2_font_size=”22px” custom_margin=”26px|-70px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|0px|||false|false” custom_margin_last_edited=”on|desktop” custom_padding=”5px|0px|9px|||” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|desktop” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

Advantages and Disa<\/span>dvantages <\/span>of <\/span>P<\/span>a<\/span>aS<\/span><\/h2>[\/et_pb_text][et_pb_divider divider_weight=”2px” _builder_version=”4.18.0″ max_width=”60px” module_alignment=”left” height=”2px” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][et_pb_text _builder_version=”4.18.0″ text_font=”Poppins||||||||” text_letter_spacing=”1px” text_line_height=”2em” max_width_tablet=”” max_width_phone=”” max_width_last_edited=”on|phone” custom_margin=”|-150px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|-52px||0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”|0px|8px||false|false” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|phone” hover_enabled=”0″ inline_fonts=”Poppins,Alata,Aclonica” global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

Assuming<\/span> you<\/span> are<\/span> referring<\/span> to<\/span> Platform<\/span> as<\/span> a<\/span> Service<\/span> (<\/span>P<\/span>aa<\/span>S<\/span>),<\/span> there<\/span> are<\/span> both<\/span> advantages<\/span> and<\/span> disadvantages<\/span> to<\/span> using<\/span> a<\/span> P<\/span>aa<\/span>S<\/span> provider<\/span>.<\/span> <\/span><\/p>\n

<\/span> <\/span>Some advantages of using a PaaS include:<\/strong> <\/span><\/p>\n

<\/span>–<\/span>E<\/span>ase<\/span> of<\/span> use<\/span>:<\/span> A<\/span> P<\/span>aa<\/span>S<\/span> is<\/span> designed<\/span> to<\/span> make<\/span> it<\/span> easy<\/span> for<\/span> developers<\/span> to<\/span> create<\/span> and<\/span> deploy<\/span> applications<\/span>.<\/span> This<\/span> can<\/span> save<\/span> a<\/span> lot<\/span> of<\/span> time<\/span> and<\/span> effort<\/span> compared<\/span> to<\/span> working<\/span> with<\/span> a<\/span> traditional<\/span> infrastructure<\/span>.<\/span> <\/span><\/p>\n

<\/span>–<\/span>Sc<\/span>al<\/span>ability<\/span>:<\/span> P<\/span>aa<\/span>S<\/span> providers<\/span> typically<\/span> offer<\/span> scalable<\/span> solutions<\/span>,<\/span> so<\/span> it<\/span>\u2019<\/span>s<\/span> easy<\/span> to<\/span> scale<\/span> up<\/span> or<\/span> down<\/span> as<\/span> needed<\/span>.<\/span> This<\/span> can<\/span> save<\/span> money<\/span> and<\/span> ensure<\/span> that<\/span> applications<\/span> can<\/span> handle<\/span> increased<\/span> traffic<\/span> without<\/span> issue<\/span>.<\/span> <\/span><\/p>\n

<\/span>–<\/span>F<\/span>lex<\/span>ibility<\/span>:<\/span> P<\/span>aa<\/span>S<\/span> providers<\/span> offer<\/span> a<\/span> variety<\/span> of<\/span> services<\/span>,<\/span> so<\/span> it<\/span>\u2019<\/span>s<\/span> easy<\/span> to<\/span> find<\/span> one<\/span> that<\/span> meets<\/span> the<\/span> specific<\/span> needs<\/span> of<\/span> an<\/span> application<\/span>.<\/span> <\/span><\/p>\n

<\/span> <\/span>Some disadvantages of using a PaaS include:<\/strong> <\/span><\/p>\n

<\/span>–<\/span>V<\/span>endor<\/span> lock<\/span>–<\/span>in<\/span>:<\/span> Once<\/span> an<\/span> application<\/span> is<\/span> built<\/span> on<\/span> a<\/span> P<\/span>aa<\/span>S<\/span>,<\/span> it<\/span> can<\/span> be<\/span> difficult<\/span> to<\/span> move<\/span> to<\/span> a<\/span> different<\/span> platform<\/span>.<\/span> This<\/span> can<\/span> limit<\/span> flexibility<\/span> in<\/span> the<\/span> future<\/span> and<\/span> make<\/span> it<\/span> tough<\/span> to<\/span> switch<\/span> providers<\/span> if<\/span> there<\/span> are<\/span> problems<\/span>.<\/span> <\/span><\/p>\n

<\/span>–<\/span>Cost<\/span>:<\/span> While<\/span> P<\/span>aa<\/span>S<\/span> can<\/span> save<\/span> money<\/span> in<\/span> the<\/span> long<\/span> run<\/span>,<\/span> there<\/span> is<\/span> often<\/span> an<\/span> upfront<\/span> cost<\/span> associated<\/span> with<\/span> getting<\/span> started<\/span>.<\/span> <\/span><\/p>\n

<\/span>–<\/span>Security<\/span>:<\/span> Because<\/span> P<\/span>aa<\/span>S<\/span> providers<\/span> manage<\/span> the<\/span> infrastructure<\/span>,<\/span> they<\/span> may<\/span> have<\/span> access<\/span> to<\/span> sensitive<\/span> data<\/span>.<\/span> It<\/span>\u2019<\/span>s<\/span> important<\/span> to<\/span> carefully<\/span> review<\/span> security<\/span> measures<\/span> before<\/span> choosing<\/span> a<\/span> provider<\/span>.<\/span><\/p>[\/et_pb_text][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” header_2_font=”|600|||||||” header_2_text_color=”#4c4c4c” header_2_font_size=”22px” custom_margin=”26px|-70px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|0px|||false|false” custom_margin_last_edited=”on|desktop” custom_padding=”10px|0px|9px|||” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|desktop” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

Examples of PaaS<\/h2>[\/et_pb_text][et_pb_divider divider_weight=”2px” _builder_version=”4.18.0″ max_width=”60px” module_alignment=”left” height=”2px” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][et_pb_text _builder_version=”4.18.0″ text_font=”Poppins||||||||” text_letter_spacing=”1px” text_line_height=”2em” max_width_tablet=”” max_width_phone=”” max_width_last_edited=”on|phone” min_height=”272px” custom_margin=”|-150px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|-52px||0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”|0px|8px||false|false” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|phone” hover_enabled=”0″ inline_fonts=”Poppins,Alata,Aclonica” global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

P<\/span>aa<\/span>S<\/span> is<\/span> a<\/span> platform<\/span> as<\/span> a<\/span> service<\/span>.<\/span> It<\/span> is<\/span> a<\/span> category<\/span> of<\/span> cloud<\/span> computing<\/span> that<\/span> provides<\/span> a<\/span> platform<\/span> and<\/span> environment<\/span> to<\/span> allow<\/span> developers<\/span> to<\/span> create<\/span> applications<\/span> and<\/span> services<\/span>.<\/span> <\/span><\/p>\n

<\/span>Some<\/span> examples<\/span> of<\/span> P<\/span>aa<\/span>S<\/span> include<\/span>:<\/span> <\/span><\/p>\n

<\/span>–<\/span> Amazon<\/span> Web<\/span> Services<\/span> (<\/span>AW<\/span>S<\/span>)<\/span> <\/span><\/p>\n

–<\/span> Google<\/span> App<\/span> Engine<\/span> <\/span><\/p>\n

–<\/span> Microsoft<\/span> Azure<\/span> <\/span><\/p>\n

–<\/span> Her<\/span>oku<\/span><\/p>[\/et_pb_text][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” header_2_font=”|600|||||||” header_2_text_color=”#4c4c4c” header_2_font_size=”22px” custom_margin=”26px|-70px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|0px|||false|false” custom_margin_last_edited=”on|desktop” custom_padding=”10px|0px|9px|||” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|desktop” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

The Future of PaaS<\/h2>[\/et_pb_text][et_pb_divider divider_weight=”2px” _builder_version=”4.18.0″ max_width=”60px” module_alignment=”left” height=”2px” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][et_pb_text _builder_version=”4.18.0″ text_font=”Poppins||||||||” text_letter_spacing=”1px” text_line_height=”2em” max_width_tablet=”” max_width_phone=”” max_width_last_edited=”on|phone” min_height=”222px” custom_margin=”|-150px|||false|false” custom_margin_tablet=”|0px|||false|false” custom_margin_phone=”|-52px||0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”|0px|0px||false|false” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|phone” hover_enabled=”0″ inline_fonts=”Poppins,Alata,Aclonica” global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]

The<\/span> future<\/span> of<\/span> Pa<\/span>as<\/span> is<\/span> looking<\/span> very<\/span> bright<\/span>.<\/span> With<\/span> the<\/span> rise<\/span> of<\/span> cloud<\/span> computing<\/span>,<\/span> more<\/span> and<\/span> more<\/span> businesses<\/span> are<\/span> turning<\/span> to<\/span> Pa<\/span>as<\/span> to<\/span> help<\/span> them<\/span> manage<\/span> their<\/span> IT<\/span> infrastructure<\/span>.<\/span> Pa<\/span>as<\/span> provides<\/span> a<\/span> scalable<\/span>,<\/span> pay<\/span>–<\/span>as<\/span>–<\/span>you<\/span>–<\/span>go<\/span> model<\/span> that<\/span> gives<\/span> businesses<\/span> the<\/span> flexibility<\/span> they<\/span> need<\/span> to<\/span> grow<\/span> and<\/span> change<\/span> their<\/span> IT<\/span> infrastructure<\/span> on<\/span> the<\/span> fly<\/span>.<\/span> As<\/span> businesses<\/span> continue<\/span> to<\/span> move<\/span> to<\/span> the<\/span> cloud<\/span>,<\/span> Pa<\/span>as<\/span> will<\/span> become<\/span> an<\/span> increasingly<\/span> popular<\/span> choice<\/span> for<\/span> managing<\/span> IT<\/span> infrastructure<\/span>.<\/span><\/p>[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.18.0″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||” theme_builder_area=”post_content”][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n\n","protected":false},"excerpt":{"rendered":"

Platform as a service (PaaS) is a cloud computing platform as a service. It is a platform that allows developers to create applications without the need to manage infrastructure. PaaS providers offer a platform on which developers can create, test, deploy, and manage their applications. <\/p>\n","protected":false},"author":3,"featured_media":4138,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[492,16,15],"tags":[651,652,650,653,654],"class_list":["post-4196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-computing","category-services","category-technology","tag-paas","tag-platform-as-a-service","tag-platform-as-a-service-paas","tag-platform-dervice","tag-platform-services"],"yoast_head":"