93 lines
4.3 KiB
TeX
93 lines
4.3 KiB
TeX
\documentclass{article}
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\usepackage{tikz}
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\usepackage[graphics,tightpage,active]{preview}
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\usetikzlibrary{arrows, shadows.blur, positioning, fit, calc, backgrounds}
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\usepackage{lscape}
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\pagenumbering{gobble}
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\PreviewEnvironment{tikzpicture}
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\PreviewEnvironment{equation}
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\PreviewEnvironment{equation*}
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\newlength{\imagewidth}
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\newlength{\imagescale}
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\pagestyle{empty}
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\thispagestyle{empty}
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\begin{document}
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\begin{center}
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\begin{tikzpicture}[
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scale=0.5,transform shape,
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font=\sffamily,
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every matrix/.style={ampersand replacement=\&,column sep=2cm,row sep=2cm},
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pod/.style={draw,solid,thick,circle,fill=red!20,inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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component/.style={draw,solid,thick,rounded corners,fill=yellow!20,inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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border/.style={draw,dashed,rounded corners,fill=gray!20,inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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volume/.style={draw,solid,thick,rounded corners,fill=blue!20, inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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sidecar/.style={draw,solid,thick,rounded corners,fill=blue!20, inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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k8s-label/.style={draw,solid,thick,rounded corners,fill=blue!20, minimum width=1.5cm, inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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affinity/.style={draw,solid,thick,rounded corners,fill=blue!20, minimum width=2cm, inner sep=.3cm, blur shadow={shadow blur steps=5,shadow blur extra rounding=1.3pt}},
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label/.style={rectangle,inner sep=0,outer sep=0},
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to/.style={->,>=stealth',shorten >=1pt,semithick,font=\sffamily\footnotesize},
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every node/.style={align=center}]
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% Position the nodes using a matrix layout
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\matrix{
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\path
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node[k8s-label] (app-label) {App}
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node[k8s-label, right=.25cm of app-label] (role-label) {Role}
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node[k8s-label, right=.25cm of role-label] (custom-label) {Custom}
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node[label, below of=role-label] (k8s-label-label) {K8s Labels}
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node[border, behind path,
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fit=(app-label)(role-label)(custom-label)(k8s-label-label)
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] (k8s-labels) {}; \& \&
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\path
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node[affinity] (affinity) {Affinity}
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node[label, right=.25cm of affinity] (affinity-middle) {}
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node[affinity, right=.25cm of affinity-middle] (anti-affinity) {Anti-affinity}
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node[label, below of=affinity-middle] (affinity-label) {Assigning to nodes}
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node[border, behind path,
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fit=(affinity)(anti-affinity)(affinity-label)
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] (affinity) {}; \\
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\& \node[pod] (pod) {Pod}; \& \\
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\path
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node[volume, minimum width={width("shm-volume")}] (data-volume) {Data}
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node[volume, right=.25cm of data-volume, minimum width={width("shm-volume")}] (tokens-volume) {Tokens}
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node[volume, right=.25cm of tokens-volume] (shm-volume) {/dev/shm}
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node[label, below of=tokens-volume] (volumes-label) {Volumes}
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node[border, behind path,
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fit=(data-volume)(shm-volume)(tokens-volume)(volumes-label)
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] (volumes) {}; \&
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\node[component] (spilo) {Spilo}; \&
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\node[sidecar] (scalyr) {Scalyr}; \& \\ \&
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\path
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node[component] (patroni) {Patroni}
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node[component, below=.25cm of patroni] (postgres) {PostgreSQL}
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node[border, behind path,
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fit=(postgres)(patroni)
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] (spilo-components) {}; \&
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\path
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node[sidecar] (custom-sidecar1) {User defined}
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node[label, right=.25cm of custom-sidecar1] (sidecars-middle) {}
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node[sidecar, right=.25cm of sidecars-middle] (custom-sidecar2) {User defined}
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node[label, below of=sidecars-middle] (sidecars-label) {Custom sidecars}
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node[border, behind path,
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fit=(custom-sidecar1)(custom-sidecar2)(sidecars-label)
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] (sidecars) {};
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\\ \& \\
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};
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% Draw the arrows between the nodes and label them.
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\draw[to] (pod) to [bend left=25] (volumes);
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\draw[to] (pod) to [bend left=25] (k8s-labels);
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\draw[to] (pod) to [bend right=25] (affinity);
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\draw[to] (pod) to [bend right=25] (scalyr);
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\draw[to] (pod) to [bend right=25] (sidecars);
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\draw[to] (pod) -- node[midway,above] {} node[midway,below] {} (spilo);
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\draw[to] (spilo) -- node[midway,above] {} node[midway,below] {} (spilo-components);
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\end{tikzpicture}
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\end{center}
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\end{document}
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